sdl

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 Go to latest Published: Dec 18, 2023 License: MIT Imports: 10 Imported by: 0

Documentation

Overview

Package sdl is SDL2 wrapped for Go users. It enables interoperability between Go and the SDL2 library which is written in C. That means the original SDL2 installation is required for this to work. SDL2 is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D.

Index

Constants

View Source 
const (
	AUDIO_MASK_BITSIZE  = C.SDL_AUDIO_MASK_BITSIZE  // (0xFF)
	AUDIO_MASK_DATATYPE = C.SDL_AUDIO_MASK_DATATYPE // (1<<8)
	AUDIO_MASK_ENDIAN   = C.SDL_AUDIO_MASK_ENDIAN   // (1<<12)
	AUDIO_MASK_SIGNED   = C.SDL_AUDIO_MASK_SIGNED   // (1<<15)
)

Audio format masks. (https://wiki.libsdl.org/SDL_AudioFormat)

View Source 
const (
	AUDIO_S8 = C.AUDIO_S8 // unsigned 8-bit samples
	AUDIO_U8 = C.AUDIO_U8 // signed 8-bit samples

	AUDIO_S16LSB = C.AUDIO_S16LSB // signed 16-bit samples in little-endian byte order
	AUDIO_S16MSB = C.AUDIO_S16MSB // signed 16-bit samples in big-endian byte order
	AUDIO_S16SYS = C.AUDIO_S16SYS // signed 16-bit samples in native byte order
	AUDIO_S16    = C.AUDIO_S16    // AUDIO_S16LSB
	AUDIO_U16LSB = C.AUDIO_U16LSB // unsigned 16-bit samples in little-endian byte order
	AUDIO_U16MSB = C.AUDIO_U16MSB // unsigned 16-bit samples in big-endian byte order
	AUDIO_U16SYS = C.AUDIO_U16SYS // unsigned 16-bit samples in native byte order
	AUDIO_U16    = C.AUDIO_U16    // AUDIO_U16LSB

	AUDIO_S32LSB = C.AUDIO_S32LSB // 32-bit integer samples in little-endian byte order
	AUDIO_S32MSB = C.AUDIO_S32MSB // 32-bit integer samples in big-endian byte order
	AUDIO_S32SYS = C.AUDIO_S32SYS // 32-bit integer samples in native byte order
	AUDIO_S32    = C.AUDIO_S32    // AUDIO_S32LSB

	AUDIO_F32LSB = C.AUDIO_F32LSB // 32-bit floating point samples in little-endian byte order
	AUDIO_F32MSB = C.AUDIO_F32MSB // 32-bit floating point samples in big-endian byte order
	AUDIO_F32SYS = C.AUDIO_F32SYS // 32-bit floating point samples in native byte order
	AUDIO_F32    = C.AUDIO_F32    // AUDIO_F32LSB
)

Audio format values. (https://wiki.libsdl.org/SDL_AudioFormat)

View Source 
const (
	AUDIO_ALLOW_FREQUENCY_CHANGE = C.SDL_AUDIO_ALLOW_FREQUENCY_CHANGE
	AUDIO_ALLOW_FORMAT_CHANGE    = C.SDL_AUDIO_ALLOW_FORMAT_CHANGE
	AUDIO_ALLOW_CHANNELS_CHANGE  = C.SDL_AUDIO_ALLOW_CHANNELS_CHANGE
	AUDIO_ALLOW_ANY_CHANGE       = C.SDL_AUDIO_ALLOW_ANY_CHANGE
)

AllowedChanges flags specify how SDL should behave when a device cannot offer a specific feature. If the application requests a feature that the hardware doesn't offer, SDL will always try to get the closest equivalent. Used in OpenAudioDevice(). (https://wiki.libsdl.org/SDL_OpenAudioDevice)

View Source 
const (
	AUDIO_STOPPED AudioStatus = C.SDL_AUDIO_STOPPED // audio device is stopped
	AUDIO_PLAYING             = C.SDL_AUDIO_PLAYING // audio device is playing
	AUDIO_PAUSED              = C.SDL_AUDIO_PAUSED  // audio device is paused
)

An enumeration of audio device states used in GetAudioDeviceStatus() and GetAudioStatus(). (https://wiki.libsdl.org/SDL_AudioStatus)

View Source 
const (
	BLENDMODE_NONE    = C.SDL_BLENDMODE_NONE  // no blending
	BLENDMODE_BLEND   = C.SDL_BLENDMODE_BLEND // alpha blending
	BLENDMODE_ADD     = C.SDL_BLENDMODE_ADD   // additive blending
	BLENDMODE_MOD     = C.SDL_BLENDMODE_MOD   // color modulate
	BLENDMODE_INVALID = C.SDL_BLENDMODE_INVALID
)
View Source 
const (
	BLENDOPERATION_ADD          = C.SDL_BLENDOPERATION_ADD
	BLENDOPERATION_SUBTRACT     = C.SDL_BLENDOPERATION_SUBTRACT
	BLENDOPERATION_REV_SUBTRACT = C.SDL_BLENDOPERATION_REV_SUBTRACT
	BLENDOPERATION_MINIMUM      = C.SDL_BLENDOPERATION_MINIMUM
	BLENDOPERATION_MAXIMUM      = C.SDL_BLENDOPERATION_MAXIMUM
)
View Source 
const (
	BLENDFACTOR_ZERO                = C.SDL_BLENDFACTOR_ZERO                // 0, 0, 0, 0
	BLENDFACTOR_ONE                 = C.SDL_BLENDFACTOR_ONE                 // 1, 1, 1, 1
	BLENDFACTOR_SRC_COLOR           = C.SDL_BLENDFACTOR_SRC_COLOR           // srcR, srcG, srcB, srcA
	BLENDFACTOR_ONE_MINUS_SRC_COLOR = C.SDL_BLENDFACTOR_ONE_MINUS_SRC_COLOR // 1-srcR, 1-srcG, 1-srcB, 1-srcA
	BLENDFACTOR_SRC_ALPHA           = C.SDL_BLENDFACTOR_SRC_ALPHA           // srcA, srcA, srcA, srcA
	BLENDFACTOR_ONE_MINUS_SRC_ALPHA = C.SDL_BLENDFACTOR_ONE_MINUS_SRC_ALPHA // 1-srcA, 1-srcA, 1-srcA, 1-srcA
	BLENDFACTOR_DST_COLOR           = C.SDL_BLENDFACTOR_DST_COLOR           // dstR, dstG, dstB, dstA
	BLENDFACTOR_ONE_MINUS_DST_COLOR = C.SDL_BLENDFACTOR_ONE_MINUS_DST_COLOR // 1-dstR, 1-dstG, 1-dstB, 1-dstA
	BLENDFACTOR_DST_ALPHA           = C.SDL_BLENDFACTOR_DST_ALPHA           // dstA, dstA, dstA, dstA
	BLENDFACTOR_ONE_MINUS_DST_ALPHA = C.SDL_BLENDFACTOR_ONE_MINUS_DST_ALPHA // 1-dstA, 1-dstA, 1-dstA, 1-dstA
)
View Source 
const (
	BYTEORDER  = C.SDL_BYTEORDER  // macro that corresponds to the byte order used by the processor type it was compiled for
	LIL_ENDIAN = C.SDL_LIL_ENDIAN // byte order is 1234, where the least significant byte is stored first
	BIG_ENDIAN = C.SDL_BIG_ENDIAN // byte order is 4321, where the most significant byte is stored first
)

Endian-specific values. (https://wiki.libsdl.org/CategoryEndian)

View Source 
const (
	ENOMEM      ErrorCode = C.SDL_ENOMEM      // out of memory
	EFREAD                = C.SDL_EFREAD      // error reading from datastream
	EFWRITE               = C.SDL_EFWRITE     // error writing to datastream
	EFSEEK                = C.SDL_EFSEEK      // error seeking in datastream
	UNSUPPORTED           = C.SDL_UNSUPPORTED // that operation is not supported
	LASTERROR             = C.SDL_LASTERROR   // the highest numbered predefined error
)

SDL error codes with their corresponding predefined strings.

View Source 
const (
	FIRSTEVENT = C.SDL_FIRSTEVENT // do not remove (unused)

	// Application events
	QUIT = C.SDL_QUIT // user-requested quit

	// Android, iOS and WinRT events
	APP_TERMINATING         = C.SDL_APP_TERMINATING         // OS is terminating the application
	APP_LOWMEMORY           = C.SDL_APP_LOWMEMORY           // OS is low on memory; free some
	APP_WILLENTERBACKGROUND = C.SDL_APP_WILLENTERBACKGROUND // application is entering background
	APP_DIDENTERBACKGROUND  = C.SDL_APP_DIDENTERBACKGROUND  //application entered background
	APP_WILLENTERFOREGROUND = C.SDL_APP_WILLENTERFOREGROUND // application is entering foreground
	APP_DIDENTERFOREGROUND  = C.SDL_APP_DIDENTERFOREGROUND  // application entered foreground

	// Window events
	WINDOWEVENT = C.SDL_WINDOWEVENT // window state change
	SYSWMEVENT  = C.SDL_SYSWMEVENT  // system specific event

	// Keyboard events
	KEYDOWN       = C.SDL_KEYDOWN       // key pressed
	KEYUP         = C.SDL_KEYUP         // key released
	TEXTEDITING   = C.SDL_TEXTEDITING   // keyboard text editing (composition)
	TEXTINPUT     = C.SDL_TEXTINPUT     // keyboard text input
	KEYMAPCHANGED = C.SDL_KEYMAPCHANGED // keymap changed due to a system event such as an input language or keyboard layout change (>= SDL 2.0.4)

	// Mouse events
	MOUSEMOTION     = C.SDL_MOUSEMOTION     // mouse moved
	MOUSEBUTTONDOWN = C.SDL_MOUSEBUTTONDOWN // mouse button pressed
	MOUSEBUTTONUP   = C.SDL_MOUSEBUTTONUP   // mouse button released
	MOUSEWHEEL      = C.SDL_MOUSEWHEEL      // mouse wheel motion

	// Joystick events
	JOYAXISMOTION    = C.SDL_JOYAXISMOTION    // joystick axis motion
	JOYBALLMOTION    = C.SDL_JOYBALLMOTION    // joystick trackball motion
	JOYHATMOTION     = C.SDL_JOYHATMOTION     // joystick hat position change
	JOYBUTTONDOWN    = C.SDL_JOYBUTTONDOWN    // joystick button pressed
	JOYBUTTONUP      = C.SDL_JOYBUTTONUP      // joystick button released
	JOYDEVICEADDED   = C.SDL_JOYDEVICEADDED   // joystick connected
	JOYDEVICEREMOVED = C.SDL_JOYDEVICEREMOVED // joystick disconnected

	// Game controller events
	CONTROLLERAXISMOTION     = C.SDL_CONTROLLERAXISMOTION     // controller axis motion
	CONTROLLERBUTTONDOWN     = C.SDL_CONTROLLERBUTTONDOWN     // controller button pressed
	CONTROLLERBUTTONUP       = C.SDL_CONTROLLERBUTTONUP       // controller button released
	CONTROLLERDEVICEADDED    = C.SDL_CONTROLLERDEVICEADDED    // controller connected
	CONTROLLERDEVICEREMOVED  = C.SDL_CONTROLLERDEVICEREMOVED  // controller disconnected
	CONTROLLERDEVICEREMAPPED = C.SDL_CONTROLLERDEVICEREMAPPED // controller mapping updated

	// Touch events
	FINGERDOWN   = C.SDL_FINGERDOWN   // user has touched input device
	FINGERUP     = C.SDL_FINGERUP     // user stopped touching input device
	FINGERMOTION = C.SDL_FINGERMOTION // user is dragging finger on input device

	// Gesture events
	DOLLARGESTURE = C.SDL_DOLLARGESTURE
	DOLLARRECORD  = C.SDL_DOLLARRECORD
	MULTIGESTURE  = C.SDL_MULTIGESTURE

	// Clipboard events
	CLIPBOARDUPDATE = C.SDL_CLIPBOARDUPDATE // the clipboard changed

	// Drag and drop events
	DROPFILE     = C.SDL_DROPFILE     // the system requests a file open
	DROPTEXT     = C.SDL_DROPTEXT     // text/plain drag-and-drop event
	DROPBEGIN    = C.SDL_DROPBEGIN    // a new set of drops is beginning (NULL filename)
	DROPCOMPLETE = C.SDL_DROPCOMPLETE // current set of drops is now complete (NULL filename)

	// Audio hotplug events
	AUDIODEVICEADDED   = C.SDL_AUDIODEVICEADDED   // a new audio device is available (>= SDL 2.0.4)
	AUDIODEVICEREMOVED = C.SDL_AUDIODEVICEREMOVED // an audio device has been removed (>= SDL 2.0.4)

	// Sensor events
	SENSORUPDATE = C.SDL_SENSORUPDATE // a sensor was updated

	// Render events
	RENDER_TARGETS_RESET = C.SDL_RENDER_TARGETS_RESET // the render targets have been reset and their contents need to be updated (>= SDL 2.0.2)
	RENDER_DEVICE_RESET  = C.SDL_RENDER_DEVICE_RESET  // the device has been reset and all textures need to be recreated (>= SDL 2.0.4)

	// These are for your use, and should be allocated with RegisterEvents()
	USEREVENT = C.SDL_USEREVENT // a user-specified event
	LASTEVENT = C.SDL_LASTEVENT // (only for bounding internal arrays)
)

Enumeration of the types of events that can be delivered. (https://wiki.libsdl.org/SDL_EventType)

View Source 
const (
	ADDEVENT  = C.SDL_ADDEVENT  // up to numevents events will be added to the back of the event queue
	PEEKEVENT = C.SDL_PEEKEVENT // up to numevents events at the front of the event queue, within the specified minimum and maximum type, will be returned and will not be removed from the queue
	GETEVENT  = C.SDL_GETEVENT  // up to numevents events at the front of the event queue, within the specified minimum and maximum type, will be returned and will be removed from the queue
)

Actions for PeepEvents(). (https://wiki.libsdl.org/SDL_PeepEvents)

View Source 
const (
	QUERY   = C.SDL_QUERY
	IGNORE  = C.SDL_IGNORE
	DISABLE = C.SDL_DISABLE
	ENABLE  = C.SDL_ENABLE
)

Toggles for different event state functions.

View Source 
const (
	CONTROLLER_BINDTYPE_NONE   = C.SDL_CONTROLLER_BINDTYPE_NONE
	CONTROLLER_BINDTYPE_BUTTON = C.SDL_CONTROLLER_BINDTYPE_BUTTON
	CONTROLLER_BINDTYPE_AXIS   = C.SDL_CONTROLLER_BINDTYPE_AXIS
	CONTROLLER_BINDTYPE_HAT    = C.SDL_CONTROLLER_BINDTYPE_HAT
)

Types of game controller inputs.

View Source 
const (
	CONTROLLER_AXIS_INVALID      = C.SDL_CONTROLLER_AXIS_INVALID
	CONTROLLER_AXIS_LEFTX        = C.SDL_CONTROLLER_AXIS_LEFTX
	CONTROLLER_AXIS_LEFTY        = C.SDL_CONTROLLER_AXIS_LEFTY
	CONTROLLER_AXIS_RIGHTX       = C.SDL_CONTROLLER_AXIS_RIGHTX
	CONTROLLER_AXIS_RIGHTY       = C.SDL_CONTROLLER_AXIS_RIGHTY
	CONTROLLER_AXIS_TRIGGERLEFT  = C.SDL_CONTROLLER_AXIS_TRIGGERLEFT
	CONTROLLER_AXIS_TRIGGERRIGHT = C.SDL_CONTROLLER_AXIS_TRIGGERRIGHT
	CONTROLLER_AXIS_MAX          = C.SDL_CONTROLLER_AXIS_MAX
)

An enumeration of axes available from a controller. (https://wiki.libsdl.org/SDL_GameControllerAxis)

View Source 
const (
	CONTROLLER_BUTTON_INVALID       = C.SDL_CONTROLLER_BUTTON_INVALID
	CONTROLLER_BUTTON_A             = C.SDL_CONTROLLER_BUTTON_A
	CONTROLLER_BUTTON_B             = C.SDL_CONTROLLER_BUTTON_B
	CONTROLLER_BUTTON_X             = C.SDL_CONTROLLER_BUTTON_X
	CONTROLLER_BUTTON_Y             = C.SDL_CONTROLLER_BUTTON_Y
	CONTROLLER_BUTTON_BACK          = C.SDL_CONTROLLER_BUTTON_BACK
	CONTROLLER_BUTTON_GUIDE         = C.SDL_CONTROLLER_BUTTON_GUIDE
	CONTROLLER_BUTTON_START         = C.SDL_CONTROLLER_BUTTON_START
	CONTROLLER_BUTTON_LEFTSTICK     = C.SDL_CONTROLLER_BUTTON_LEFTSTICK
	CONTROLLER_BUTTON_RIGHTSTICK    = C.SDL_CONTROLLER_BUTTON_RIGHTSTICK
	CONTROLLER_BUTTON_LEFTSHOULDER  = C.SDL_CONTROLLER_BUTTON_LEFTSHOULDER
	CONTROLLER_BUTTON_RIGHTSHOULDER = C.SDL_CONTROLLER_BUTTON_RIGHTSHOULDER
	CONTROLLER_BUTTON_DPAD_UP       = C.SDL_CONTROLLER_BUTTON_DPAD_UP
	CONTROLLER_BUTTON_DPAD_DOWN     = C.SDL_CONTROLLER_BUTTON_DPAD_DOWN
	CONTROLLER_BUTTON_DPAD_LEFT     = C.SDL_CONTROLLER_BUTTON_DPAD_LEFT
	CONTROLLER_BUTTON_DPAD_RIGHT    = C.SDL_CONTROLLER_BUTTON_DPAD_RIGHT
	CONTROLLER_BUTTON_MAX           = C.SDL_CONTROLLER_BUTTON_MAX
)

An enumeration of buttons available from a controller. (https://wiki.libsdl.org/SDL_GameControllerButton)

View Source 
const (
	HAPTIC_CONSTANT     = C.SDL_HAPTIC_CONSTANT     // constant haptic effect
	HAPTIC_SINE         = C.SDL_HAPTIC_SINE         // periodic haptic effect that simulates sine waves
	HAPTIC_LEFTRIGHT    = C.SDL_HAPTIC_LEFTRIGHT    // haptic effect for direct control over high/low frequency motors
	HAPTIC_TRIANGLE     = C.SDL_HAPTIC_TRIANGLE     // periodic haptic effect that simulates triangular waves
	HAPTIC_SAWTOOTHUP   = C.SDL_HAPTIC_SAWTOOTHUP   // periodic haptic effect that simulates saw tooth up waves
	HAPTIC_SAWTOOTHDOWN = C.SDL_HAPTIC_SAWTOOTHDOWN // periodic haptic effect that simulates saw tooth down waves
	HAPTIC_RAMP         = C.SDL_HAPTIC_RAMP         // ramp haptic effect
	HAPTIC_SPRING       = C.SDL_HAPTIC_SPRING       // condition haptic effect that simulates a spring.  Effect is based on the axes position
	HAPTIC_DAMPER       = C.SDL_HAPTIC_DAMPER       // condition haptic effect that simulates dampening.  Effect is based on the axes velocity
	HAPTIC_INERTIA      = C.SDL_HAPTIC_INERTIA      // condition haptic effect that simulates inertia.  Effect is based on the axes acceleration
	HAPTIC_FRICTION     = C.SDL_HAPTIC_FRICTION     // condition haptic effect that simulates friction.  Effect is based on the axes movement
	HAPTIC_CUSTOM       = C.SDL_HAPTIC_CUSTOM       // user defined custom haptic effect
	HAPTIC_GAIN         = C.SDL_HAPTIC_GAIN         // device supports setting the global gain
	HAPTIC_AUTOCENTER   = C.SDL_HAPTIC_AUTOCENTER   // device supports setting autocenter
	HAPTIC_STATUS       = C.SDL_HAPTIC_STATUS       // device can be queried for effect status
	HAPTIC_PAUSE        = C.SDL_HAPTIC_PAUSE        // device can be paused

)

Haptic effects. (https://wiki.libsdl.org/SDL_HapticEffect)

View Source 
const (
	HAPTIC_POLAR     = C.SDL_HAPTIC_POLAR     // uses polar coordinates for the direction
	HAPTIC_CARTESIAN = C.SDL_HAPTIC_CARTESIAN // uses cartesian coordinates for the direction
	HAPTIC_SPHERICAL = C.SDL_HAPTIC_SPHERICAL // uses spherical coordinates for the direction
	HAPTIC_INFINITY  = C.SDL_HAPTIC_INFINITY  // used to play a device an infinite number of times
)

Direction encodings. (https://wiki.libsdl.org/SDL_HapticDirection)

View Source 
const (
	HINT_FRAMEBUFFER_ACCELERATION                 = C.SDL_HINT_FRAMEBUFFER_ACCELERATION                 // specifies how 3D acceleration is used with Window.GetSurface()
	HINT_RENDER_DRIVER                            = C.SDL_HINT_RENDER_DRIVER                            // specifies which render driver to use
	HINT_RENDER_OPENGL_SHADERS                    = C.SDL_HINT_RENDER_OPENGL_SHADERS                    // specifies whether the OpenGL render driver uses shaders
	HINT_RENDER_DIRECT3D_THREADSAFE               = C.SDL_HINT_RENDER_DIRECT3D_THREADSAFE               // specifies whether the Direct3D device is initialized for thread-safe operations
	HINT_RENDER_DIRECT3D11_DEBUG                  = C.SDL_HINT_RENDER_DIRECT3D11_DEBUG                  // specifies a variable controlling whether to enable Direct3D 11+'s Debug Layer
	HINT_RENDER_SCALE_QUALITY                     = C.SDL_HINT_RENDER_SCALE_QUALITY                     // specifies scaling quality
	HINT_RENDER_VSYNC                             = C.SDL_HINT_RENDER_VSYNC                             // specifies whether sync to vertical refresh is enabled or disabled in CreateRenderer() to avoid tearing
	HINT_VIDEO_ALLOW_SCREENSAVER                  = C.SDL_HINT_VIDEO_ALLOW_SCREENSAVER                  // specifies whether the screensaver is enabled
	HINT_VIDEO_X11_NET_WM_PING                    = C.SDL_HINT_VIDEO_X11_NET_WM_PING                    // specifies whether the X11 _NET_WM_PING protocol should be supported
	HINT_VIDEO_X11_XVIDMODE                       = C.SDL_HINT_VIDEO_X11_XVIDMODE                       // specifies whether the X11 VidMode extension should be used
	HINT_VIDEO_X11_XINERAMA                       = C.SDL_HINT_VIDEO_X11_XINERAMA                       // specifies whether the X11 Xinerama extension should be used
	HINT_VIDEO_X11_XRANDR                         = C.SDL_HINT_VIDEO_X11_XRANDR                         // specifies whether the X11 XRandR extension should be used
	HINT_GRAB_KEYBOARD                            = C.SDL_HINT_GRAB_KEYBOARD                            // specifies whether grabbing input grabs the keyboard
	HINT_MOUSE_RELATIVE_MODE_WARP                 = C.SDL_HINT_MOUSE_RELATIVE_MODE_WARP                 // specifies whether relative mouse mode is implemented using mouse warping
	HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS             = C.SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS             // specifies if a Window is minimized if it loses key focus when in fullscreen mode
	HINT_IDLE_TIMER_DISABLED                      = C.SDL_HINT_IDLE_TIMER_DISABLED                      // specifies a variable controlling whether the idle timer is disabled on iOS
	HINT_IME_INTERNAL_EDITING                     = C.SDL_HINT_IME_INTERNAL_EDITING                     // specifies whether certain IMEs should handle text editing internally instead of sending TextEditingEvents
	HINT_ORIENTATIONS                             = C.SDL_HINT_ORIENTATIONS                             // specifies a variable controlling which orientations are allowed on iOS
	HINT_ACCELEROMETER_AS_JOYSTICK                = C.SDL_HINT_ACCELEROMETER_AS_JOYSTICK                // specifies whether the Android / iOS built-in accelerometer should be listed as a joystick device, rather than listing actual joysticks only
	HINT_XINPUT_ENABLED                           = C.SDL_HINT_XINPUT_ENABLED                           // specifies if Xinput gamepad devices are detected
	HINT_XINPUT_USE_OLD_JOYSTICK_MAPPING          = C.SDL_HINT_XINPUT_USE_OLD_JOYSTICK_MAPPING          // specifies that SDL should use the old axis and button mapping for XInput devices
	HINT_GAMECONTROLLERCONFIG                     = C.SDL_HINT_GAMECONTROLLERCONFIG                     // specifies extra gamecontroller db entries
	HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS         = C.SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS         // specifies if joystick (and gamecontroller) events are enabled even when the application is in the background
	HINT_ALLOW_TOPMOST                            = C.SDL_HINT_ALLOW_TOPMOST                            // specifies if top most bit on an SDL Window can be set
	HINT_THREAD_STACK_SIZE                        = C.SDL_HINT_THREAD_STACK_SIZE                        // specifies a variable specifying SDL's threads stack size in bytes or "0" for the backend's default size
	HINT_TIMER_RESOLUTION                         = C.SDL_HINT_TIMER_RESOLUTION                         // specifies the timer resolution in milliseconds
	HINT_VIDEO_HIGHDPI_DISABLED                   = C.SDL_HINT_VIDEO_HIGHDPI_DISABLED                   // specifies if high-DPI windows ("Retina" on Mac and iOS) are not allowed
	HINT_MAC_BACKGROUND_APP                       = C.SDL_HINT_MAC_BACKGROUND_APP                       // specifies if the SDL app should not be forced to become a foreground process on Mac OS X
	HINT_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK       = C.SDL_HINT_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK       // specifies whether ctrl+click should generate a right-click event on Mac
	HINT_VIDEO_WIN_D3DCOMPILER                    = C.SDL_HINT_VIDEO_WIN_D3DCOMPILER                    // specifies which shader compiler to preload when using the Chrome ANGLE binaries
	HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT          = C.SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT          // specifies the address of another Window* (as a hex string formatted with "%p")
	HINT_WINRT_PRIVACY_POLICY_URL                 = C.SDL_HINT_WINRT_PRIVACY_POLICY_URL                 // specifies a URL to a WinRT app's privacy policy
	HINT_WINRT_PRIVACY_POLICY_LABEL               = C.SDL_HINT_WINRT_PRIVACY_POLICY_LABEL               // specifies a label text for a WinRT app's privacy policy link
	HINT_WINRT_HANDLE_BACK_BUTTON                 = C.SDL_HINT_WINRT_HANDLE_BACK_BUTTON                 // specifies a variable to allow back-button-press events on Windows Phone to be marked as handled
	HINT_VIDEO_MAC_FULLSCREEN_SPACES              = C.SDL_HINT_VIDEO_MAC_FULLSCREEN_SPACES              // specifies policy for fullscreen Spaces on Mac OS X
	HINT_NO_SIGNAL_HANDLERS                       = C.SDL_HINT_NO_SIGNAL_HANDLERS                       // specifies not to catch the SIGINT or SIGTERM signals
	HINT_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN  = C.SDL_HINT_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN  // specifies whether the window frame and title bar are interactive when the cursor is hidden
	HINT_WINDOWS_ENABLE_MESSAGELOOP               = C.SDL_HINT_WINDOWS_ENABLE_MESSAGELOOP               // specifies whether the windows message loop is processed by SDL
	HINT_WINDOWS_NO_CLOSE_ON_ALT_F4               = C.SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4               // specifies that SDL should not to generate WINDOWEVENT_CLOSE events for Alt+F4 on Microsoft Windows
	HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH         = C.SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH         // specifies a variable to control whether mouse and touch events are to be treated together or separately
	HINT_ANDROID_APK_EXPANSION_MAIN_FILE_VERSION  = C.SDL_HINT_ANDROID_APK_EXPANSION_MAIN_FILE_VERSION  // specifies the Android APK expansion main file version
	HINT_ANDROID_APK_EXPANSION_PATCH_FILE_VERSION = C.SDL_HINT_ANDROID_APK_EXPANSION_PATCH_FILE_VERSION // specifies the Android APK expansion patch file version
	HINT_AUDIO_RESAMPLING_MODE                    = C.SDL_HINT_AUDIO_RESAMPLING_MODE                    // specifies a variable controlling speed/quality tradeoff of audio resampling
	HINT_RENDER_LOGICAL_SIZE_MODE                 = C.SDL_HINT_RENDER_LOGICAL_SIZE_MODE                 // specifies a variable controlling the scaling policy for SDL_RenderSetLogicalSize
	HINT_MOUSE_NORMAL_SPEED_SCALE                 = C.SDL_HINT_MOUSE_NORMAL_SPEED_SCALE                 // specifies a variable setting the speed scale for mouse motion, in floating point, when the mouse is not in relative mode
	HINT_MOUSE_RELATIVE_SPEED_SCALE               = C.SDL_HINT_MOUSE_RELATIVE_SPEED_SCALE               // specifies a variable setting the scale for mouse motion, in floating point, when the mouse is in relative mode
	HINT_TOUCH_MOUSE_EVENTS                       = C.SDL_HINT_TOUCH_MOUSE_EVENTS                       // specifies a variable controlling whether touch events should generate synthetic mouse events
	HINT_WINDOWS_INTRESOURCE_ICON                 = C.SDL_HINT_WINDOWS_INTRESOURCE_ICON                 // specifies a variable to specify custom icon resource id from RC file on Windows platform
	HINT_WINDOWS_INTRESOURCE_ICON_SMALL           = C.SDL_HINT_WINDOWS_INTRESOURCE_ICON_SMALL           // specifies a variable to specify custom icon resource id from RC file on Windows platform
	HINT_IOS_HIDE_HOME_INDICATOR                  = C.SDL_HINT_IOS_HIDE_HOME_INDICATOR                  // specifies a variable controlling whether the home indicator bar on iPhone X should be hidden.
	HINT_RETURN_KEY_HIDES_IME                     = C.SDL_HINT_RETURN_KEY_HIDES_IME                     // specifies a variable to control whether the return key on the soft keyboard should hide the soft keyboard on Android and iOS.
	HINT_TV_REMOTE_AS_JOYSTICK                    = C.SDL_HINT_TV_REMOTE_AS_JOYSTICK                    // specifies a variable controlling whether the Android / tvOS remotes  should be listed as joystick devices, instead of sending keyboard events.
	HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR       = C.SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR       // specifies a variable controlling whether the X11 _NET_WM_BYPASS_COMPOSITOR hint should be used.
	HINT_VIDEO_DOUBLE_BUFFER                      = C.SDL_HINT_VIDEO_DOUBLE_BUFFER                      // specifies a variable that tells the video driver that we only want a double buffer.
)

Configuration hints (https://wiki.libsdl.org/CategoryHints)

View Source 
const (
	HINT_DEFAULT  = C.SDL_HINT_DEFAULT  // low priority, used for default values
	HINT_NORMAL   = C.SDL_HINT_NORMAL   // medium priority
	HINT_OVERRIDE = C.SDL_HINT_OVERRIDE // high priority
)

An enumeration of hint priorities. (https://wiki.libsdl.org/SDL_HintPriority)

View Source 
const (
	HAT_CENTERED  = C.SDL_HAT_CENTERED
	HAT_UP        = C.SDL_HAT_UP
	HAT_RIGHT     = C.SDL_HAT_RIGHT
	HAT_DOWN      = C.SDL_HAT_DOWN
	HAT_LEFT      = C.SDL_HAT_LEFT
	HAT_RIGHTUP   = C.SDL_HAT_RIGHTUP
	HAT_RIGHTDOWN = C.SDL_HAT_RIGHTDOWN
	HAT_LEFTUP    = C.SDL_HAT_LEFTUP
	HAT_LEFTDOWN  = C.SDL_HAT_LEFTDOWN
)

Hat positions. (https://wiki.libsdl.org/SDL_JoystickGetHat)

View Source 
const (
	JOYSTICK_TYPE_UNKNOWN        = C.SDL_JOYSTICK_TYPE_UNKNOWN
	JOYSTICK_TYPE_GAMECONTROLLER = C.SDL_JOYSTICK_TYPE_GAMECONTROLLER
	JOYSTICK_TYPE_WHEEL          = C.SDL_JOYSTICK_TYPE_WHEEL
	JOYSTICK_TYPE_ARCADE_STICK   = C.SDL_JOYSTICK_TYPE_ARCADE_STICK
	JOYSTICK_TYPE_FLIGHT_STICK   = C.SDL_JOYSTICK_TYPE_FLIGHT_STICK
	JOYSTICK_TYPE_DANCE_PAD      = C.SDL_JOYSTICK_TYPE_DANCE_PAD
	JOYSTICK_TYPE_GUITAR         = C.SDL_JOYSTICK_TYPE_GUITAR
	JOYSTICK_TYPE_DRUM_KIT       = C.SDL_JOYSTICK_TYPE_DRUM_KIT
	JOYSTICK_TYPE_ARCADE_PAD     = C.SDL_JOYSTICK_TYPE_ARCADE_PAD
	JOYSTICK_TYPE_THROTTLE       = C.SDL_JOYSTICK_TYPE_THROTTLE
)

Types of a joystick.

View Source 
const (
	JOYSTICK_POWER_UNKNOWN = C.SDL_JOYSTICK_POWER_UNKNOWN
	JOYSTICK_POWER_EMPTY   = C.SDL_JOYSTICK_POWER_EMPTY
	JOYSTICK_POWER_LOW     = C.SDL_JOYSTICK_POWER_LOW
	JOYSTICK_POWER_MEDIUM  = C.SDL_JOYSTICK_POWER_MEDIUM
	JOYSTICK_POWER_FULL    = C.SDL_JOYSTICK_POWER_FULL
	JOYSTICK_POWER_WIRED   = C.SDL_JOYSTICK_POWER_WIRED
	JOYSTICK_POWER_MAX     = C.SDL_JOYSTICK_POWER_MAX
)

An enumeration of battery levels of a joystick. (https://wiki.libsdl.org/SDL_JoystickPowerLevel)

View Source 
const (
	K_UNKNOWN = C.SDLK_UNKNOWN // "" (no name, empty string)

	K_RETURN     = C.SDLK_RETURN     // "Return" (the Enter key (main keyboard))
	K_ESCAPE     = C.SDLK_ESCAPE     // "Escape" (the Esc key)
	K_BACKSPACE  = C.SDLK_BACKSPACE  // "Backspace"
	K_TAB        = C.SDLK_TAB        // "Tab" (the Tab key)
	K_SPACE      = C.SDLK_SPACE      // "Space" (the Space Bar key(s))
	K_EXCLAIM    = C.SDLK_EXCLAIM    // "!"
	K_QUOTEDBL   = C.SDLK_QUOTEDBL   // """
	K_HASH       = C.SDLK_HASH       // "#"
	K_PERCENT    = C.SDLK_PERCENT    // "%"
	K_DOLLAR     = C.SDLK_DOLLAR     // "$"
	K_AMPERSAND  = C.SDLK_AMPERSAND  // "&"
	K_QUOTE      = C.SDLK_QUOTE      // "'"
	K_LEFTPAREN  = C.SDLK_LEFTPAREN  // "("
	K_RIGHTPAREN = C.SDLK_RIGHTPAREN // ")"
	K_ASTERISK   = C.SDLK_ASTERISK   // "*"
	K_PLUS       = C.SDLK_PLUS       // "+"
	K_COMMA      = C.SDLK_COMMA      // ","
	K_MINUS      = C.SDLK_MINUS      // "-"
	K_PERIOD     = C.SDLK_PERIOD     // "."
	K_SLASH      = C.SDLK_SLASH      // "/"
	K_0          = C.SDLK_0          // "0"
	K_1          = C.SDLK_1          // "1"
	K_2          = C.SDLK_2          // "2"
	K_3          = C.SDLK_3          // "3"
	K_4          = C.SDLK_4          // "4"
	K_5          = C.SDLK_5          // "5"
	K_6          = C.SDLK_6          // "6"
	K_7          = C.SDLK_7          // "7"
	K_8          = C.SDLK_8          // "8"
	K_9          = C.SDLK_9          // "9"
	K_COLON      = C.SDLK_COLON      // ":"
	K_SEMICOLON  = C.SDLK_SEMICOLON  // ";"
	K_LESS       = C.SDLK_LESS       // "<"
	K_EQUALS     = C.SDLK_EQUALS     // "="
	K_GREATER    = C.SDLK_GREATER    // ">"
	K_QUESTION   = C.SDLK_QUESTION   // "?"
	K_AT         = C.SDLK_AT         // "@"
	/*
	   Skip uppercase letters
	*/
	K_LEFTBRACKET  = C.SDLK_LEFTBRACKET  // "["
	K_BACKSLASH    = C.SDLK_BACKSLASH    // "\"
	K_RIGHTBRACKET = C.SDLK_RIGHTBRACKET // "]"
	K_CARET        = C.SDLK_CARET        // "^"
	K_UNDERSCORE   = C.SDLK_UNDERSCORE   // "_"
	K_BACKQUOTE    = C.SDLK_BACKQUOTE    // "`"
	K_a            = C.SDLK_a            // "A"
	K_b            = C.SDLK_b            // "B"
	K_c            = C.SDLK_c            // "C"
	K_d            = C.SDLK_d            // "D"
	K_e            = C.SDLK_e            // "E"
	K_f            = C.SDLK_f            // "F"
	K_g            = C.SDLK_g            // "G"
	K_h            = C.SDLK_h            // "H"
	K_i            = C.SDLK_i            // "I"
	K_j            = C.SDLK_j            // "J"
	K_k            = C.SDLK_k            // "K"
	K_l            = C.SDLK_l            // "L"
	K_m            = C.SDLK_m            // "M"
	K_n            = C.SDLK_n            // "N"
	K_o            = C.SDLK_o            // "O"
	K_p            = C.SDLK_p            // "P"
	K_q            = C.SDLK_q            // "Q"
	K_r            = C.SDLK_r            // "R"
	K_s            = C.SDLK_s            // "S"
	K_t            = C.SDLK_t            // "T"
	K_u            = C.SDLK_u            // "U"
	K_v            = C.SDLK_v            // "V"
	K_w            = C.SDLK_w            // "W"
	K_x            = C.SDLK_x            // "X"
	K_y            = C.SDLK_y            // "Y"
	K_z            = C.SDLK_z            // "Z"

	K_CAPSLOCK = C.SDLK_CAPSLOCK // "CapsLock"

	K_F1  = C.SDLK_F1  // "F1"
	K_F2  = C.SDLK_F2  // "F2"
	K_F3  = C.SDLK_F3  // "F3"
	K_F4  = C.SDLK_F4  // "F4"
	K_F5  = C.SDLK_F5  // "F5"
	K_F6  = C.SDLK_F6  // "F6"
	K_F7  = C.SDLK_F7  // "F7"
	K_F8  = C.SDLK_F8  // "F8"
	K_F9  = C.SDLK_F9  // "F9"
	K_F10 = C.SDLK_F10 // "F10"
	K_F11 = C.SDLK_F11 // "F11"
	K_F12 = C.SDLK_F12 // "F12"

	K_PRINTSCREEN = C.SDLK_PRINTSCREEN // "PrintScreen"
	K_SCROLLLOCK  = C.SDLK_SCROLLLOCK  // "ScrollLock"
	K_PAUSE       = C.SDLK_PAUSE       // "Pause" (the Pause / Break key)
	K_INSERT      = C.SDLK_INSERT      // "Insert" (insert on PC, help on some Mac keyboards (but does send code 73, not 117))
	K_HOME        = C.SDLK_HOME        // "Home"
	K_PAGEUP      = C.SDLK_PAGEUP      // "PageUp"
	K_DELETE      = C.SDLK_DELETE      // "Delete"
	K_END         = C.SDLK_END         // "End"
	K_PAGEDOWN    = C.SDLK_PAGEDOWN    // "PageDown"
	K_RIGHT       = C.SDLK_RIGHT       // "Right" (the Right arrow key (navigation keypad))
	K_LEFT        = C.SDLK_LEFT        // "Left" (the Left arrow key (navigation keypad))
	K_DOWN        = C.SDLK_DOWN        // "Down" (the Down arrow key (navigation keypad))
	K_UP          = C.SDLK_UP          // "Up" (the Up arrow key (navigation keypad))

	K_NUMLOCKCLEAR = C.SDLK_NUMLOCKCLEAR // "Numlock" (the Num Lock key (PC) / the Clear key (Mac))
	K_KP_DIVIDE    = C.SDLK_KP_DIVIDE    // "Keypad /" (the / key (numeric keypad))
	K_KP_MULTIPLY  = C.SDLK_KP_MULTIPLY  // "Keypad *" (the * key (numeric keypad))
	K_KP_MINUS     = C.SDLK_KP_MINUS     // "Keypad -" (the - key (numeric keypad))
	K_KP_PLUS      = C.SDLK_KP_PLUS      // "Keypad +" (the + key (numeric keypad))
	K_KP_ENTER     = C.SDLK_KP_ENTER     // "Keypad Enter" (the Enter key (numeric keypad))
	K_KP_1         = C.SDLK_KP_1         // "Keypad 1" (the 1 key (numeric keypad))
	K_KP_2         = C.SDLK_KP_2         // "Keypad 2" (the 2 key (numeric keypad))
	K_KP_3         = C.SDLK_KP_3         // "Keypad 3" (the 3 key (numeric keypad))
	K_KP_4         = C.SDLK_KP_4         // "Keypad 4" (the 4 key (numeric keypad))
	K_KP_5         = C.SDLK_KP_5         // "Keypad 5" (the 5 key (numeric keypad))
	K_KP_6         = C.SDLK_KP_6         // "Keypad 6" (the 6 key (numeric keypad))
	K_KP_7         = C.SDLK_KP_7         // "Keypad 7" (the 7 key (numeric keypad))
	K_KP_8         = C.SDLK_KP_8         // "Keypad 8" (the 8 key (numeric keypad))
	K_KP_9         = C.SDLK_KP_9         // "Keypad 9" (the 9 key (numeric keypad))
	K_KP_0         = C.SDLK_KP_0         // "Keypad 0" (the 0 key (numeric keypad))
	K_KP_PERIOD    = C.SDLK_KP_PERIOD    // "Keypad ." (the . key (numeric keypad))

	K_APPLICATION    = C.SDLK_APPLICATION    // "Application" (the Application / Compose / Context Menu (Windows) key)
	K_POWER          = C.SDLK_POWER          // "Power" (The USB document says this is a status flag, not a physical key - but some Mac keyboards do have a power key.)
	K_KP_EQUALS      = C.SDLK_KP_EQUALS      // "Keypad =" (the = key (numeric keypad))
	K_F13            = C.SDLK_F13            // "F13"
	K_F14            = C.SDLK_F14            // "F14"
	K_F15            = C.SDLK_F15            // "F15"
	K_F16            = C.SDLK_F16            // "F16"
	K_F17            = C.SDLK_F17            // "F17"
	K_F18            = C.SDLK_F18            // "F18"
	K_F19            = C.SDLK_F19            // "F19"
	K_F20            = C.SDLK_F20            // "F20"
	K_F21            = C.SDLK_F21            // "F21"
	K_F22            = C.SDLK_F22            // "F22"
	K_F23            = C.SDLK_F23            // "F23"
	K_F24            = C.SDLK_F24            // "F24"
	K_EXECUTE        = C.SDLK_EXECUTE        // "Execute"
	K_HELP           = C.SDLK_HELP           // "Help"
	K_MENU           = C.SDLK_MENU           // "Menu"
	K_SELECT         = C.SDLK_SELECT         // "Select"
	K_STOP           = C.SDLK_STOP           // "Stop"
	K_AGAIN          = C.SDLK_AGAIN          // "Again" (the Again key (Redo))
	K_UNDO           = C.SDLK_UNDO           // "Undo"
	K_CUT            = C.SDLK_CUT            // "Cut"
	K_COPY           = C.SDLK_COPY           // "Copy"
	K_PASTE          = C.SDLK_PASTE          // "Paste"
	K_FIND           = C.SDLK_FIND           // "Find"
	K_MUTE           = C.SDLK_MUTE           // "Mute"
	K_VOLUMEUP       = C.SDLK_VOLUMEUP       // "VolumeUp"
	K_VOLUMEDOWN     = C.SDLK_VOLUMEDOWN     // "VolumeDown"
	K_KP_COMMA       = C.SDLK_KP_COMMA       // "Keypad ," (the Comma key (numeric keypad))
	K_KP_EQUALSAS400 = C.SDLK_KP_EQUALSAS400 // "Keypad = (AS400)" (the Equals AS400 key (numeric keypad))

	K_ALTERASE   = C.SDLK_ALTERASE   // "AltErase" (Erase-Eaze)
	K_SYSREQ     = C.SDLK_SYSREQ     // "SysReq" (the SysReq key)
	K_CANCEL     = C.SDLK_CANCEL     // "Cancel"
	K_CLEAR      = C.SDLK_CLEAR      // "Clear"
	K_PRIOR      = C.SDLK_PRIOR      // "Prior"
	K_RETURN2    = C.SDLK_RETURN2    // "Return"
	K_SEPARATOR  = C.SDLK_SEPARATOR  // "Separator"
	K_OUT        = C.SDLK_OUT        // "Out"
	K_OPER       = C.SDLK_OPER       // "Oper"
	K_CLEARAGAIN = C.SDLK_CLEARAGAIN // "Clear / Again"
	K_CRSEL      = C.SDLK_CRSEL      // "CrSel"
	K_EXSEL      = C.SDLK_EXSEL      // "ExSel"

	K_KP_00              = C.SDLK_KP_00              // "Keypad 00" (the 00 key (numeric keypad))
	K_KP_000             = C.SDLK_KP_000             // "Keypad 000" (the 000 key (numeric keypad))
	K_THOUSANDSSEPARATOR = C.SDLK_THOUSANDSSEPARATOR // "ThousandsSeparator" (the Thousands Separator key)
	K_DECIMALSEPARATOR   = C.SDLK_DECIMALSEPARATOR   // "DecimalSeparator" (the Decimal Separator key)
	K_CURRENCYUNIT       = C.SDLK_CURRENCYUNIT       // "CurrencyUnit" (the Currency Unit key)
	K_CURRENCYSUBUNIT    = C.SDLK_CURRENCYSUBUNIT    // "CurrencySubUnit" (the Currency Subunit key)
	K_KP_LEFTPAREN       = C.SDLK_KP_LEFTPAREN       // "Keypad (" (the Left Parenthesis key (numeric keypad))
	K_KP_RIGHTPAREN      = C.SDLK_KP_RIGHTPAREN      // "Keypad )" (the Right Parenthesis key (numeric keypad))
	K_KP_LEFTBRACE       = C.SDLK_KP_LEFTBRACE       // "Keypad {" (the Left Brace key (numeric keypad))
	K_KP_RIGHTBRACE      = C.SDLK_KP_RIGHTBRACE      // "Keypad }" (the Right Brace key (numeric keypad))
	K_KP_TAB             = C.SDLK_KP_TAB             // "Keypad Tab" (the Tab key (numeric keypad))
	K_KP_BACKSPACE       = C.SDLK_KP_BACKSPACE       // "Keypad Backspace" (the Backspace key (numeric keypad))
	K_KP_A               = C.SDLK_KP_A               // "Keypad A" (the A key (numeric keypad))
	K_KP_B               = C.SDLK_KP_B               // "Keypad B" (the B key (numeric keypad))
	K_KP_C               = C.SDLK_KP_C               // "Keypad C" (the C key (numeric keypad))
	K_KP_D               = C.SDLK_KP_D               // "Keypad D" (the D key (numeric keypad))
	K_KP_E               = C.SDLK_KP_E               // "Keypad E" (the E key (numeric keypad))
	K_KP_F               = C.SDLK_KP_F               // "Keypad F" (the F key (numeric keypad))
	K_KP_XOR             = C.SDLK_KP_XOR             // "Keypad XOR" (the XOR key (numeric keypad))
	K_KP_POWER           = C.SDLK_KP_POWER           // "Keypad ^" (the Power key (numeric keypad))
	K_KP_PERCENT         = C.SDLK_KP_PERCENT         // "Keypad %" (the Percent key (numeric keypad))
	K_KP_LESS            = C.SDLK_KP_LESS            // "Keypad <" (the Less key (numeric keypad))
	K_KP_GREATER         = C.SDLK_KP_GREATER         // "Keypad >" (the Greater key (numeric keypad))
	K_KP_AMPERSAND       = C.SDLK_KP_AMPERSAND       // "Keypad &" (the & key (numeric keypad))
	K_KP_DBLAMPERSAND    = C.SDLK_KP_DBLAMPERSAND    // "Keypad &&" (the && key (numeric keypad))
	K_KP_VERTICALBAR     = C.SDLK_KP_VERTICALBAR     // "Keypad |" (the | key (numeric keypad))
	K_KP_DBLVERTICALBAR  = C.SDLK_KP_DBLVERTICALBAR  // "Keypad ||" (the || key (numeric keypad))
	K_KP_COLON           = C.SDLK_KP_COLON           // "Keypad :" (the : key (numeric keypad))
	K_KP_HASH            = C.SDLK_KP_HASH            // "Keypad #" (the # key (numeric keypad))
	K_KP_SPACE           = C.SDLK_KP_SPACE           // "Keypad Space" (the Space key (numeric keypad))
	K_KP_AT              = C.SDLK_KP_AT              // "Keypad @" (the @ key (numeric keypad))
	K_KP_EXCLAM          = C.SDLK_KP_EXCLAM          // "Keypad !" (the ! key (numeric keypad))
	K_KP_MEMSTORE        = C.SDLK_KP_MEMSTORE        // "Keypad MemStore" (the Mem Store key (numeric keypad))
	K_KP_MEMRECALL       = C.SDLK_KP_MEMRECALL       // "Keypad MemRecall" (the Mem Recall key (numeric keypad))
	K_KP_MEMCLEAR        = C.SDLK_KP_MEMCLEAR        // "Keypad MemClear" (the Mem Clear key (numeric keypad))
	K_KP_MEMADD          = C.SDLK_KP_MEMADD          // "Keypad MemAdd" (the Mem Add key (numeric keypad))
	K_KP_MEMSUBTRACT     = C.SDLK_KP_MEMSUBTRACT     // "Keypad MemSubtract" (the Mem Subtract key (numeric keypad))
	K_KP_MEMMULTIPLY     = C.SDLK_KP_MEMMULTIPLY     // "Keypad MemMultiply" (the Mem Multiply key (numeric keypad))
	K_KP_MEMDIVIDE       = C.SDLK_KP_MEMDIVIDE       // "Keypad MemDivide" (the Mem Divide key (numeric keypad))
	K_KP_PLUSMINUS       = C.SDLK_KP_PLUSMINUS       // "Keypad +/-" (the +/- key (numeric keypad))
	K_KP_CLEAR           = C.SDLK_KP_CLEAR           // "Keypad Clear" (the Clear key (numeric keypad))
	K_KP_CLEARENTRY      = C.SDLK_KP_CLEARENTRY      // "Keypad ClearEntry" (the Clear Entry key (numeric keypad))
	K_KP_BINARY          = C.SDLK_KP_BINARY          // "Keypad Binary" (the Binary key (numeric keypad))
	K_KP_OCTAL           = C.SDLK_KP_OCTAL           // "Keypad Octal" (the Octal key (numeric keypad))
	K_KP_DECIMAL         = C.SDLK_KP_DECIMAL         // "Keypad Decimal" (the Decimal key (numeric keypad))
	K_KP_HEXADECIMAL     = C.SDLK_KP_HEXADECIMAL     // "Keypad Hexadecimal" (the Hexadecimal key (numeric keypad))

	K_LCTRL  = C.SDLK_LCTRL  // "Left Ctrl"
	K_LSHIFT = C.SDLK_LSHIFT // "Left Shift"
	K_LALT   = C.SDLK_LALT   // "Left Alt" (alt, option)
	K_LGUI   = C.SDLK_LGUI   // "Left GUI" (windows, command (apple), meta)
	K_RCTRL  = C.SDLK_RCTRL  // "Right Ctrl"
	K_RSHIFT = C.SDLK_RSHIFT // "Right Shift"
	K_RALT   = C.SDLK_RALT   // "Right Alt" (alt, option)
	K_RGUI   = C.SDLK_RGUI   // "Right GUI" (windows, command (apple), meta)

	K_MODE = C.SDLK_MODE // "ModeSwitch" (I'm not sure if this is really not covered by any of the above, but since there's a special KMOD_MODE for it I'm adding it here)

	K_AUDIONEXT    = C.SDLK_AUDIONEXT    // "AudioNext" (the Next Track media key)
	K_AUDIOPREV    = C.SDLK_AUDIOPREV    // "AudioPrev" (the Previous Track media key)
	K_AUDIOSTOP    = C.SDLK_AUDIOSTOP    // "AudioStop" (the Stop media key)
	K_AUDIOPLAY    = C.SDLK_AUDIOPLAY    // "AudioPlay" (the Play media key)
	K_AUDIOMUTE    = C.SDLK_AUDIOMUTE    // "AudioMute" (the Mute volume key)
	K_MEDIASELECT  = C.SDLK_MEDIASELECT  // "MediaSelect" (the Media Select key)
	K_WWW          = C.SDLK_WWW          // "WWW" (the WWW/World Wide Web key)
	K_MAIL         = C.SDLK_MAIL         // "Mail" (the Mail/eMail key)
	K_CALCULATOR   = C.SDLK_CALCULATOR   // "Calculator" (the Calculator key)
	K_COMPUTER     = C.SDLK_COMPUTER     // "Computer" (the My Computer key)
	K_AC_SEARCH    = C.SDLK_AC_SEARCH    // "AC Search" (the Search key (application control keypad))
	K_AC_HOME      = C.SDLK_AC_HOME      // "AC Home" (the Home key (application control keypad))
	K_AC_BACK      = C.SDLK_AC_BACK      // "AC Back" (the Back key (application control keypad))
	K_AC_FORWARD   = C.SDLK_AC_FORWARD   // "AC Forward" (the Forward key (application control keypad))
	K_AC_STOP      = C.SDLK_AC_STOP      // "AC Stop" (the Stop key (application control keypad))
	K_AC_REFRESH   = C.SDLK_AC_REFRESH   // "AC Refresh" (the Refresh key (application control keypad))
	K_AC_BOOKMARKS = C.SDLK_AC_BOOKMARKS // "AC Bookmarks" (the Bookmarks key (application control keypad))

	K_BRIGHTNESSDOWN = C.SDLK_BRIGHTNESSDOWN // "BrightnessDown" (the Brightness Down key)
	K_BRIGHTNESSUP   = C.SDLK_BRIGHTNESSUP   // "BrightnessUp" (the Brightness Up key)
	K_DISPLAYSWITCH  = C.SDLK_DISPLAYSWITCH  // "DisplaySwitch" (display mirroring/dual display switch, video mode switch)
	K_KBDILLUMTOGGLE = C.SDLK_KBDILLUMTOGGLE // "KBDIllumToggle" (the Keyboard Illumination Toggle key)
	K_KBDILLUMDOWN   = C.SDLK_KBDILLUMDOWN   // "KBDIllumDown" (the Keyboard Illumination Down key)
	K_KBDILLUMUP     = C.SDLK_KBDILLUMUP     // "KBDIllumUp" (the Keyboard Illumination Up key)
	K_EJECT          = C.SDLK_EJECT          // "Eject" (the Eject key)
	K_SLEEP          = C.SDLK_SLEEP          // "Sleep" (the Sleep key)
)

The SDL virtual key representation. (https://wiki.libsdl.org/SDL_Keycode) (https://wiki.libsdl.org/SDLKeycodeLookup)

View Source 
const (
	KMOD_NONE     = C.KMOD_NONE     // 0 (no modifier is applicable)
	KMOD_LSHIFT   = C.KMOD_LSHIFT   // the left Shift key is down
	KMOD_RSHIFT   = C.KMOD_RSHIFT   // the right Shift key is down
	KMOD_LCTRL    = C.KMOD_LCTRL    // the left Ctrl (Control) key is down
	KMOD_RCTRL    = C.KMOD_RCTRL    // the right Ctrl (Control) key is down
	KMOD_LALT     = C.KMOD_LALT     // the left Alt key is down
	KMOD_RALT     = C.KMOD_RALT     // the right Alt key is down
	KMOD_LGUI     = C.KMOD_LGUI     // the left GUI key (often the Windows key) is down
	KMOD_RGUI     = C.KMOD_RGUI     // the right GUI key (often the Windows key) is down
	KMOD_NUM      = C.KMOD_NUM      // the Num Lock key (may be located on an extended keypad) is down
	KMOD_CAPS     = C.KMOD_CAPS     // the Caps Lock key is down
	KMOD_MODE     = C.KMOD_MODE     // the AltGr key is down
	KMOD_CTRL     = C.KMOD_CTRL     // (KMOD_LCTRL|KMOD_RCTRL)
	KMOD_SHIFT    = C.KMOD_SHIFT    // (KMOD_LSHIFT|KMOD_RSHIFT)
	KMOD_ALT      = C.KMOD_ALT      // (KMOD_LALT|KMOD_RALT)
	KMOD_GUI      = C.KMOD_GUI      // (KMOD_LGUI|KMOD_RGUI)
	KMOD_RESERVED = C.KMOD_RESERVED // reserved for future use
)

An enumeration of key modifier masks. (https://wiki.libsdl.org/SDL_Keymod)

View Source 
const (
	LOG_CATEGORY_APPLICATION = iota // application log
	LOG_CATEGORY_ERROR              // error log
	LOG_CATEGORY_ASSERT             // assert log
	LOG_CATEGORY_SYSTEM             // system log
	LOG_CATEGORY_AUDIO              // audio log
	LOG_CATEGORY_VIDEO              // video log
	LOG_CATEGORY_RENDER             // render log
	LOG_CATEGORY_INPUT              // input log
	LOG_CATEGORY_TEST               // test log
	LOG_CATEGORY_RESERVED1          // reserved for future SDL library use
	LOG_CATEGORY_RESERVED2          // reserved for future SDL library use
	LOG_CATEGORY_RESERVED3          // reserved for future SDL library use
	LOG_CATEGORY_RESERVED4          // reserved for future SDL library use
	LOG_CATEGORY_RESERVED5          // reserved for future SDL library use
	LOG_CATEGORY_RESERVED6          // reserved for future SDL library use
	LOG_CATEGORY_RESERVED7          // reserved for future SDL library use
	LOG_CATEGORY_RESERVED8          // reserved for future SDL library use
	LOG_CATEGORY_RESERVED9          // reserved for future SDL library use
	LOG_CATEGORY_RESERVED10         // reserved for future SDL library use
	LOG_CATEGORY_CUSTOM             // reserved for application use
)

An enumeration of the predefined log categories. (https://wiki.libsdl.org/SDL_LOG_CATEGORY)

View Source 
const (
	LOG_PRIORITY_VERBOSE  = iota + 1 // verbose
	LOG_PRIORITY_DEBUG               // debug
	LOG_PRIORITY_INFO                // info
	LOG_PRIORITY_WARN                // warn
	LOG_PRIORITY_ERROR               // error
	LOG_PRIORITY_CRITICAL            // critical
	NUM_LOG_PRIORITIES               // (internal use)
)

An enumeration of the predefined log priorities. (https://wiki.libsdl.org/SDL_LogPriority)

View Source 
const (
	SYSTEM_CURSOR_ARROW     = C.SDL_SYSTEM_CURSOR_ARROW     // arrow
	SYSTEM_CURSOR_IBEAM     = C.SDL_SYSTEM_CURSOR_IBEAM     // i-beam
	SYSTEM_CURSOR_WAIT      = C.SDL_SYSTEM_CURSOR_WAIT      // wait
	SYSTEM_CURSOR_CROSSHAIR = C.SDL_SYSTEM_CURSOR_CROSSHAIR // crosshair
	SYSTEM_CURSOR_WAITARROW = C.SDL_SYSTEM_CURSOR_WAITARROW // small wait cursor (or wait if not available)
	SYSTEM_CURSOR_SIZENWSE  = C.SDL_SYSTEM_CURSOR_SIZENWSE  // double arrow pointing northwest and southeast
	SYSTEM_CURSOR_SIZENESW  = C.SDL_SYSTEM_CURSOR_SIZENESW  // double arrow pointing northeast and southwest
	SYSTEM_CURSOR_SIZEWE    = C.SDL_SYSTEM_CURSOR_SIZEWE    // double arrow pointing west and east
	SYSTEM_CURSOR_SIZENS    = C.SDL_SYSTEM_CURSOR_SIZENS    // double arrow pointing north and south
	SYSTEM_CURSOR_SIZEALL   = C.SDL_SYSTEM_CURSOR_SIZEALL   // four pointed arrow pointing north, south, east, and west
	SYSTEM_CURSOR_NO        = C.SDL_SYSTEM_CURSOR_NO        // slashed circle or crossbones
	SYSTEM_CURSOR_HAND      = C.SDL_SYSTEM_CURSOR_HAND      // hand
	NUM_SYSTEM_CURSORS      = C.SDL_NUM_SYSTEM_CURSORS      // (only for bounding internal arrays)
)

Cursor types for CreateSystemCursor()

View Source 
const (
	MOUSEWHEEL_NORMAL  = C.SDL_MOUSEWHEEL_NORMAL  // the scroll direction is normal
	MOUSEWHEEL_FLIPPED = C.SDL_MOUSEWHEEL_FLIPPED // the scroll direction is flipped / natural
)

Scroll direction types for the Scroll event

View Source 
const (
	BUTTON_LEFT   = C.SDL_BUTTON_LEFT   // left mouse button
	BUTTON_MIDDLE = C.SDL_BUTTON_MIDDLE // middle mouse button
	BUTTON_RIGHT  = C.SDL_BUTTON_RIGHT  // right mouse button
	BUTTON_X1     = C.SDL_BUTTON_X1     // x1 mouse button
	BUTTON_X2     = C.SDL_BUTTON_X2     // x2 mouse button
)

Used as a mask when testing buttons in buttonstate.

View Source 
const (
	PIXELTYPE_UNKNOWN  = C.SDL_PIXELTYPE_UNKNOWN
	PIXELTYPE_INDEX1   = C.SDL_PIXELTYPE_INDEX1
	PIXELTYPE_INDEX4   = C.SDL_PIXELTYPE_INDEX4
	PIXELTYPE_INDEX8   = C.SDL_PIXELTYPE_INDEX8
	PIXELTYPE_PACKED8  = C.SDL_PIXELTYPE_PACKED8
	PIXELTYPE_PACKED16 = C.SDL_PIXELTYPE_PACKED16
	PIXELTYPE_PACKED32 = C.SDL_PIXELTYPE_PACKED32
	PIXELTYPE_ARRAYU8  = C.SDL_PIXELTYPE_ARRAYU8
	PIXELTYPE_ARRAYU16 = C.SDL_PIXELTYPE_ARRAYU16
	PIXELTYPE_ARRAYU32 = C.SDL_PIXELTYPE_ARRAYU32
	PIXELTYPE_ARRAYF16 = C.SDL_PIXELTYPE_ARRAYF16
	PIXELTYPE_ARRAYF32 = C.SDL_PIXELTYPE_ARRAYF32
)

Pixel types.

View Source 
const (
	BITMAPORDER_NONE = C.SDL_BITMAPORDER_NONE
	BITMAPORDER_4321 = C.SDL_BITMAPORDER_4321
	BITMAPORDER_1234 = C.SDL_BITMAPORDER_1234
)

Bitmap pixel order high bit -> low bit.

View Source 
const (
	PACKEDORDER_NONE = C.SDL_PACKEDORDER_NONE
	PACKEDORDER_XRGB = C.SDL_PACKEDORDER_XRGB
	PACKEDORDER_RGBX = C.SDL_PACKEDORDER_RGBX
	PACKEDORDER_ARGB = C.SDL_PACKEDORDER_ARGB
	PACKEDORDER_RGBA = C.SDL_PACKEDORDER_RGBA
	PACKEDORDER_XBGR = C.SDL_PACKEDORDER_XBGR
	PACKEDORDER_BGRX = C.SDL_PACKEDORDER_BGRX
	PACKEDORDER_ABGR = C.SDL_PACKEDORDER_ABGR
	PACKEDORDER_BGRA = C.SDL_PACKEDORDER_BGRA
)

Packed component order high bit -> low bit.

View Source 
const (
	ARRAYORDER_NONE = C.SDL_ARRAYORDER_NONE
	ARRAYORDER_RGB  = C.SDL_ARRAYORDER_RGB
	ARRAYORDER_RGBA = C.SDL_ARRAYORDER_RGBA
	ARRAYORDER_ARGB = C.SDL_ARRAYORDER_ARGB
	ARRAYORDER_BGR  = C.SDL_ARRAYORDER_BGR
	ARRAYORDER_BGRA = C.SDL_ARRAYORDER_BGRA
	ARRAYORDER_ABGR = C.SDL_ARRAYORDER_ABGR
)

Array component order low byte -> high byte.

View Source 
const (
	PACKEDLAYOUT_NONE    = C.SDL_PACKEDLAYOUT_NONE
	PACKEDLAYOUT_332     = C.SDL_PACKEDLAYOUT_332
	PACKEDLAYOUT_4444    = C.SDL_PACKEDLAYOUT_4444
	PACKEDLAYOUT_1555    = C.SDL_PACKEDLAYOUT_1555
	PACKEDLAYOUT_5551    = C.SDL_PACKEDLAYOUT_5551
	PACKEDLAYOUT_565     = C.SDL_PACKEDLAYOUT_565
	PACKEDLAYOUT_8888    = C.SDL_PACKEDLAYOUT_8888
	PACKEDLAYOUT_2101010 = C.SDL_PACKEDLAYOUT_2101010
	PACKEDLAYOUT_1010102 = C.SDL_PACKEDLAYOUT_1010102
)

Packed component layout.

View Source 
const (
	PIXELFORMAT_UNKNOWN     = C.SDL_PIXELFORMAT_UNKNOWN
	PIXELFORMAT_INDEX1LSB   = C.SDL_PIXELFORMAT_INDEX1LSB
	PIXELFORMAT_INDEX1MSB   = C.SDL_PIXELFORMAT_INDEX1MSB
	PIXELFORMAT_INDEX4LSB   = C.SDL_PIXELFORMAT_INDEX4LSB
	PIXELFORMAT_INDEX4MSB   = C.SDL_PIXELFORMAT_INDEX4MSB
	PIXELFORMAT_INDEX8      = C.SDL_PIXELFORMAT_INDEX8
	PIXELFORMAT_RGB332      = C.SDL_PIXELFORMAT_RGB332
	PIXELFORMAT_RGB444      = C.SDL_PIXELFORMAT_RGB444
	PIXELFORMAT_RGB555      = C.SDL_PIXELFORMAT_RGB555
	PIXELFORMAT_BGR555      = C.SDL_PIXELFORMAT_BGR555
	PIXELFORMAT_ARGB4444    = C.SDL_PIXELFORMAT_ARGB4444
	PIXELFORMAT_RGBA4444    = C.SDL_PIXELFORMAT_RGBA4444
	PIXELFORMAT_ABGR4444    = C.SDL_PIXELFORMAT_ABGR4444
	PIXELFORMAT_BGRA4444    = C.SDL_PIXELFORMAT_BGRA4444
	PIXELFORMAT_ARGB1555    = C.SDL_PIXELFORMAT_ARGB1555
	PIXELFORMAT_RGBA5551    = C.SDL_PIXELFORMAT_RGBA5551
	PIXELFORMAT_ABGR1555    = C.SDL_PIXELFORMAT_ABGR1555
	PIXELFORMAT_BGRA5551    = C.SDL_PIXELFORMAT_BGRA5551
	PIXELFORMAT_RGB565      = C.SDL_PIXELFORMAT_RGB565
	PIXELFORMAT_BGR565      = C.SDL_PIXELFORMAT_BGR565
	PIXELFORMAT_RGB24       = C.SDL_PIXELFORMAT_RGB24
	PIXELFORMAT_BGR24       = C.SDL_PIXELFORMAT_BGR24
	PIXELFORMAT_RGB888      = C.SDL_PIXELFORMAT_RGB888
	PIXELFORMAT_RGBX8888    = C.SDL_PIXELFORMAT_RGBX8888
	PIXELFORMAT_BGR888      = C.SDL_PIXELFORMAT_BGR888
	PIXELFORMAT_BGRX8888    = C.SDL_PIXELFORMAT_BGRX8888
	PIXELFORMAT_ARGB8888    = C.SDL_PIXELFORMAT_ARGB8888
	PIXELFORMAT_RGBA8888    = C.SDL_PIXELFORMAT_RGBA8888
	PIXELFORMAT_ABGR8888    = C.SDL_PIXELFORMAT_ABGR8888
	PIXELFORMAT_BGRA8888    = C.SDL_PIXELFORMAT_BGRA8888
	PIXELFORMAT_ARGB2101010 = C.SDL_PIXELFORMAT_ARGB2101010
	PIXELFORMAT_YV12        = C.SDL_PIXELFORMAT_YV12
	PIXELFORMAT_IYUV        = C.SDL_PIXELFORMAT_IYUV
	PIXELFORMAT_YUY2        = C.SDL_PIXELFORMAT_YUY2
	PIXELFORMAT_UYVY        = C.SDL_PIXELFORMAT_UYVY
	PIXELFORMAT_YVYU        = C.SDL_PIXELFORMAT_YVYU
)

Pixel format values.

View Source 
const (
	ALPHA_OPAQUE      = C.SDL_ALPHA_OPAQUE
	ALPHA_TRANSPARENT = C.SDL_ALPHA_TRANSPARENT
)

These define alpha as the opacity of a surface.

View Source 
const (
	POWERSTATE_UNKNOWN    = C.SDL_POWERSTATE_UNKNOWN    // cannot determine power status
	POWERSTATE_ON_BATTERY = C.SDL_POWERSTATE_ON_BATTERY // not plugged in, running on the battery
	POWERSTATE_NO_BATTERY = C.SDL_POWERSTATE_NO_BATTERY // plugged in, no battery available
	POWERSTATE_CHARGING   = C.SDL_POWERSTATE_CHARGING   // plugged in, charging battery
	POWERSTATE_CHARGED    = C.SDL_POWERSTATE_CHARGED    // plugged in, battery charged
)

An enumeration of the basic state of the system's power supply. (https://wiki.libsdl.org/SDL_PowerState)

View Source 
const (
	RENDERER_SOFTWARE      = C.SDL_RENDERER_SOFTWARE      // the renderer is a software fallback
	RENDERER_ACCELERATED   = C.SDL_RENDERER_ACCELERATED   // the renderer uses hardware acceleration
	RENDERER_PRESENTVSYNC  = C.SDL_RENDERER_PRESENTVSYNC  // present is synchronized with the refresh rate
	RENDERER_TARGETTEXTURE = C.SDL_RENDERER_TARGETTEXTURE // the renderer supports rendering to texture
)

An enumeration of flags used when creating a rendering context. (https://wiki.libsdl.org/SDL_RendererFlags)

View Source 
const (
	TEXTUREACCESS_STATIC    = C.SDL_TEXTUREACCESS_STATIC    // changes rarely, not lockable
	TEXTUREACCESS_STREAMING = C.SDL_TEXTUREACCESS_STREAMING // changes frequently, lockable
	TEXTUREACCESS_TARGET    = C.SDL_TEXTUREACCESS_TARGET    // can be used as a render target
)

An enumeration of texture access patterns.. (https://wiki.libsdl.org/SDL_TextureAccess)

View Source 
const (
	TEXTUREMODULATE_NONE  = C.SDL_TEXTUREMODULATE_NONE  // no modulation
	TEXTUREMODULATE_COLOR = C.SDL_TEXTUREMODULATE_COLOR // srcC = srcC * color
	TEXTUREMODULATE_ALPHA = C.SDL_TEXTUREMODULATE_ALPHA // srcA = srcA * alpha
)

An enumeration of the texture channel modulation used in Renderer.Copy(). (https://wiki.libsdl.org/SDL_TextureModulate)

View Source 
const (
	FLIP_NONE       RendererFlip = C.SDL_FLIP_NONE       // do not flip
	FLIP_HORIZONTAL              = C.SDL_FLIP_HORIZONTAL // flip horizontally
	FLIP_VERTICAL                = C.SDL_FLIP_VERTICAL   // flip vertically
)

An enumeration of flags that can be used in the flip parameter for Renderer.CopyEx(). (https://wiki.libsdl.org/SDL_RendererFlip)

View Source 
const (
	RWOPS_UNKNOWN   = 0 // unknown stream type
	RWOPS_WINFILE   = 1 // win32 file
	RWOPS_STDFILE   = 2 // stdio file
	RWOPS_JNIFILE   = 3 // android asset
	RWOPS_MEMORY    = 4 // memory stream
	RWOPS_MEMORY_RO = 5 // read-only memory stream
)

RWops types

View Source 
const (
	RW_SEEK_SET = C.RW_SEEK_SET // seek from the beginning of data
	RW_SEEK_CUR = C.RW_SEEK_CUR // seek relative to current read point
	RW_SEEK_END = C.RW_SEEK_END // seek relative to the end of data
)

RWops seek from

View Source 
const (
	SCANCODE_UNKNOWN = 0 // "" (no name, empty string)

	SCANCODE_A = C.SDL_SCANCODE_A // "A"
	SCANCODE_B = C.SDL_SCANCODE_B // "B"
	SCANCODE_C = C.SDL_SCANCODE_C // "C"
	SCANCODE_D = C.SDL_SCANCODE_D // "D"
	SCANCODE_E = C.SDL_SCANCODE_E // "E"
	SCANCODE_F = C.SDL_SCANCODE_F // "F"
	SCANCODE_G = C.SDL_SCANCODE_G // "G"
	SCANCODE_H = C.SDL_SCANCODE_H // "H"
	SCANCODE_I = C.SDL_SCANCODE_I // "I"
	SCANCODE_J = C.SDL_SCANCODE_J // "J"
	SCANCODE_K = C.SDL_SCANCODE_K // "K"
	SCANCODE_L = C.SDL_SCANCODE_L // "L"
	SCANCODE_M = C.SDL_SCANCODE_M // "M"
	SCANCODE_N = C.SDL_SCANCODE_N // "N"
	SCANCODE_O = C.SDL_SCANCODE_O // "O"
	SCANCODE_P = C.SDL_SCANCODE_P // "P"
	SCANCODE_Q = C.SDL_SCANCODE_Q // "Q"
	SCANCODE_R = C.SDL_SCANCODE_R // "R"
	SCANCODE_S = C.SDL_SCANCODE_S // "S"
	SCANCODE_T = C.SDL_SCANCODE_T // "T"
	SCANCODE_U = C.SDL_SCANCODE_U // "U"
	SCANCODE_V = C.SDL_SCANCODE_V // "V"
	SCANCODE_W = C.SDL_SCANCODE_W // "W"
	SCANCODE_X = C.SDL_SCANCODE_X // "X"
	SCANCODE_Y = C.SDL_SCANCODE_Y // "Y"
	SCANCODE_Z = C.SDL_SCANCODE_Z // "Z"

	SCANCODE_1 = C.SDL_SCANCODE_1 // "1"
	SCANCODE_2 = C.SDL_SCANCODE_2 // "2"
	SCANCODE_3 = C.SDL_SCANCODE_3 // "3"
	SCANCODE_4 = C.SDL_SCANCODE_4 // "4"
	SCANCODE_5 = C.SDL_SCANCODE_5 // "5"
	SCANCODE_6 = C.SDL_SCANCODE_6 // "6"
	SCANCODE_7 = C.SDL_SCANCODE_7 // "7"
	SCANCODE_8 = C.SDL_SCANCODE_8 // "8"
	SCANCODE_9 = C.SDL_SCANCODE_9 // "9"
	SCANCODE_0 = C.SDL_SCANCODE_0 // "0"

	SCANCODE_RETURN    = C.SDL_SCANCODE_RETURN    // "Return"
	SCANCODE_ESCAPE    = C.SDL_SCANCODE_ESCAPE    // "Escape" (the Esc key)
	SCANCODE_BACKSPACE = C.SDL_SCANCODE_BACKSPACE // "Backspace"
	SCANCODE_TAB       = C.SDL_SCANCODE_TAB       // "Tab" (the Tab key)
	SCANCODE_SPACE     = C.SDL_SCANCODE_SPACE     // "Space" (the Space Bar key(s))

	SCANCODE_MINUS        = C.SDL_SCANCODE_MINUS        // "-"
	SCANCODE_EQUALS       = C.SDL_SCANCODE_EQUALS       // "="
	SCANCODE_LEFTBRACKET  = C.SDL_SCANCODE_LEFTBRACKET  // "["
	SCANCODE_RIGHTBRACKET = C.SDL_SCANCODE_RIGHTBRACKET // "]"
	SCANCODE_BACKSLASH    = C.SDL_SCANCODE_BACKSLASH    // "\"
	SCANCODE_NONUSHASH    = C.SDL_SCANCODE_NONUSHASH    // "#" (ISO USB keyboards actually use this code instead of 49 for the same key, but all OSes I've seen treat the two codes identically. So, as an implementor, unless your keyboard generates both of those codes and your OS treats them differently, you should generate SDL_SCANCODE_BACKSLASH instead of this code. As a user, you should not rely on this code because SDL will never generate it with most (all?) keyboards.)
	SCANCODE_SEMICOLON    = C.SDL_SCANCODE_SEMICOLON    // ";"
	SCANCODE_APOSTROPHE   = C.SDL_SCANCODE_APOSTROPHE   // "'"
	SCANCODE_GRAVE        = C.SDL_SCANCODE_GRAVE        // "`"
	SCANCODE_COMMA        = C.SDL_SCANCODE_COMMA        // ","
	SCANCODE_PERIOD       = C.SDL_SCANCODE_PERIOD       // "."
	SCANCODE_SLASH        = C.SDL_SCANCODE_SLASH        // "/"
	SCANCODE_CAPSLOCK     = C.SDL_SCANCODE_CAPSLOCK     // "CapsLock"
	SCANCODE_F1           = C.SDL_SCANCODE_F1           // "F1"
	SCANCODE_F2           = C.SDL_SCANCODE_F2           // "F2"
	SCANCODE_F3           = C.SDL_SCANCODE_F3           // "F3"
	SCANCODE_F4           = C.SDL_SCANCODE_F4           // "F4"
	SCANCODE_F5           = C.SDL_SCANCODE_F5           // "F5"
	SCANCODE_F6           = C.SDL_SCANCODE_F6           // "F6"
	SCANCODE_F7           = C.SDL_SCANCODE_F7           // "F7"
	SCANCODE_F8           = C.SDL_SCANCODE_F8           // "F8"
	SCANCODE_F9           = C.SDL_SCANCODE_F9           // "F9"
	SCANCODE_F10          = C.SDL_SCANCODE_F10          // "F10"
	SCANCODE_F11          = C.SDL_SCANCODE_F11          // "F11"
	SCANCODE_F12          = C.SDL_SCANCODE_F12          // "F12"
	SCANCODE_PRINTSCREEN  = C.SDL_SCANCODE_PRINTSCREEN  // "PrintScreen"
	SCANCODE_SCROLLLOCK   = C.SDL_SCANCODE_SCROLLLOCK   // "ScrollLock"
	SCANCODE_PAUSE        = C.SDL_SCANCODE_PAUSE        // "Pause" (the Pause / Break key)
	SCANCODE_INSERT       = C.SDL_SCANCODE_INSERT       // "Insert" (insert on PC, help on some Mac keyboards (but does send code 73, not 117))
	SCANCODE_HOME         = C.SDL_SCANCODE_HOME         // "Home"
	SCANCODE_PAGEUP       = C.SDL_SCANCODE_PAGEUP       // "PageUp"
	SCANCODE_DELETE       = C.SDL_SCANCODE_DELETE       // "Delete"
	SCANCODE_END          = C.SDL_SCANCODE_END          // "End"
	SCANCODE_PAGEDOWN     = C.SDL_SCANCODE_PAGEDOWN     // "PageDown"
	SCANCODE_RIGHT        = C.SDL_SCANCODE_RIGHT        // "Right" (the Right arrow key (navigation keypad))
	SCANCODE_LEFT         = C.SDL_SCANCODE_LEFT         // "Left" (the Left arrow key (navigation keypad))
	SCANCODE_DOWN         = C.SDL_SCANCODE_DOWN         // "Down" (the Down arrow key (navigation keypad))
	SCANCODE_UP           = C.SDL_SCANCODE_UP           // "Up" (the Up arrow key (navigation keypad))

	SCANCODE_NUMLOCKCLEAR = C.SDL_SCANCODE_NUMLOCKCLEAR // "Numlock" (the Num Lock key (PC) / the Clear key (Mac))
	SCANCODE_KP_DIVIDE    = C.SDL_SCANCODE_KP_DIVIDE    // "Keypad /" (the / key (numeric keypad))
	SCANCODE_KP_MULTIPLY  = C.SDL_SCANCODE_KP_MULTIPLY  // "Keypad *" (the * key (numeric keypad))
	SCANCODE_KP_MINUS     = C.SDL_SCANCODE_KP_MINUS     // "Keypad -" (the - key (numeric keypad))
	SCANCODE_KP_PLUS      = C.SDL_SCANCODE_KP_PLUS      // "Keypad +" (the + key (numeric keypad))
	SCANCODE_KP_ENTER     = C.SDL_SCANCODE_KP_ENTER     // "Keypad Enter" (the Enter key (numeric keypad))
	SCANCODE_KP_1         = C.SDL_SCANCODE_KP_1         // "Keypad 1" (the 1 key (numeric keypad))
	SCANCODE_KP_2         = C.SDL_SCANCODE_KP_2         // "Keypad 2" (the 2 key (numeric keypad))
	SCANCODE_KP_3         = C.SDL_SCANCODE_KP_3         // "Keypad 3" (the 3 key (numeric keypad))
	SCANCODE_KP_4         = C.SDL_SCANCODE_KP_4         // "Keypad 4" (the 4 key (numeric keypad))
	SCANCODE_KP_5         = C.SDL_SCANCODE_KP_5         // "Keypad 5" (the 5 key (numeric keypad))
	SCANCODE_KP_6         = C.SDL_SCANCODE_KP_6         // "Keypad 6" (the 6 key (numeric keypad))
	SCANCODE_KP_7         = C.SDL_SCANCODE_KP_7         // "Keypad 7" (the 7 key (numeric keypad))
	SCANCODE_KP_8         = C.SDL_SCANCODE_KP_8         // "Keypad 8" (the 8 key (numeric keypad))
	SCANCODE_KP_9         = C.SDL_SCANCODE_KP_9         // "Keypad 9" (the 9 key (numeric keypad))
	SCANCODE_KP_0         = C.SDL_SCANCODE_KP_0         // "Keypad 0" (the 0 key (numeric keypad))
	SCANCODE_KP_PERIOD    = C.SDL_SCANCODE_KP_PERIOD    // "Keypad ." (the . key (numeric keypad))

	SCANCODE_NONUSBACKSLASH = C.SDL_SCANCODE_NONUSBACKSLASH // "" (no name, empty string; This is the additional key that ISO keyboards have over ANSI ones, located between left shift and Y. Produces GRAVE ACCENT and TILDE in a US or UK Mac layout, REVERSE SOLIDUS (backslash) and VERTICAL LINE in a US or UK Windows layout, and LESS-THAN SIGN and GREATER-THAN SIGN in a Swiss German, German, or French layout.)
	SCANCODE_APPLICATION    = C.SDL_SCANCODE_APPLICATION    // "Application" (the Application / Compose / Context Menu (Windows) key)
	SCANCODE_POWER          = C.SDL_SCANCODE_POWER          // "Power" (The USB document says this is a status flag, not a physical key - but some Mac keyboards do have a power key.)
	SCANCODE_KP_EQUALS      = C.SDL_SCANCODE_KP_EQUALS      // "Keypad =" (the = key (numeric keypad))
	SCANCODE_F13            = C.SDL_SCANCODE_F13            // "F13"
	SCANCODE_F14            = C.SDL_SCANCODE_F14            // "F14"
	SCANCODE_F15            = C.SDL_SCANCODE_F15            // "F15"
	SCANCODE_F16            = C.SDL_SCANCODE_F16            // "F16"
	SCANCODE_F17            = C.SDL_SCANCODE_F17            // "F17"
	SCANCODE_F18            = C.SDL_SCANCODE_F18            // "F18"
	SCANCODE_F19            = C.SDL_SCANCODE_F19            // "F19"
	SCANCODE_F20            = C.SDL_SCANCODE_F20            // "F20"
	SCANCODE_F21            = C.SDL_SCANCODE_F21            // "F21"
	SCANCODE_F22            = C.SDL_SCANCODE_F22            // "F22"
	SCANCODE_F23            = C.SDL_SCANCODE_F23            // "F23"
	SCANCODE_F24            = C.SDL_SCANCODE_F24            // "F24"
	SCANCODE_EXECUTE        = C.SDL_SCANCODE_EXECUTE        // "Execute"
	SCANCODE_HELP           = C.SDL_SCANCODE_HELP           // "Help"
	SCANCODE_MENU           = C.SDL_SCANCODE_MENU           // "Menu"
	SCANCODE_SELECT         = C.SDL_SCANCODE_SELECT         // "Select"
	SCANCODE_STOP           = C.SDL_SCANCODE_STOP           // "Stop"
	SCANCODE_AGAIN          = C.SDL_SCANCODE_AGAIN          // "Again" (the Again key (Redo))
	SCANCODE_UNDO           = C.SDL_SCANCODE_UNDO           // "Undo"
	SCANCODE_CUT            = C.SDL_SCANCODE_CUT            // "Cut"
	SCANCODE_COPY           = C.SDL_SCANCODE_COPY           // "Copy"
	SCANCODE_PASTE          = C.SDL_SCANCODE_PASTE          // "Paste"
	SCANCODE_FIND           = C.SDL_SCANCODE_FIND           // "Find"
	SCANCODE_MUTE           = C.SDL_SCANCODE_MUTE           // "Mute"
	SCANCODE_VOLUMEUP       = C.SDL_SCANCODE_VOLUMEUP       // "VolumeUp"
	SCANCODE_VOLUMEDOWN     = C.SDL_SCANCODE_VOLUMEDOWN     // "VolumeDown"
	SCANCODE_KP_COMMA       = C.SDL_SCANCODE_KP_COMMA       // "Keypad ," (the Comma key (numeric keypad))
	SCANCODE_KP_EQUALSAS400 = C.SDL_SCANCODE_KP_EQUALSAS400 // "Keypad = (AS400)" (the Equals AS400 key (numeric keypad))

	SCANCODE_INTERNATIONAL1 = C.SDL_SCANCODE_INTERNATIONAL1 // "" (no name, empty string; used on Asian keyboards, see footnotes in USB doc)
	SCANCODE_INTERNATIONAL2 = C.SDL_SCANCODE_INTERNATIONAL2 // "" (no name, empty string)
	SCANCODE_INTERNATIONAL3 = C.SDL_SCANCODE_INTERNATIONAL3 // "" (no name, empty string; Yen)
	SCANCODE_INTERNATIONAL4 = C.SDL_SCANCODE_INTERNATIONAL4 // "" (no name, empty string)
	SCANCODE_INTERNATIONAL5 = C.SDL_SCANCODE_INTERNATIONAL5 // "" (no name, empty string)
	SCANCODE_INTERNATIONAL6 = C.SDL_SCANCODE_INTERNATIONAL6 // "" (no name, empty string)
	SCANCODE_INTERNATIONAL7 = C.SDL_SCANCODE_INTERNATIONAL7 // "" (no name, empty string)
	SCANCODE_INTERNATIONAL8 = C.SDL_SCANCODE_INTERNATIONAL8 // "" (no name, empty string)
	SCANCODE_INTERNATIONAL9 = C.SDL_SCANCODE_INTERNATIONAL9 // "" (no name, empty string)
	SCANCODE_LANG1          = C.SDL_SCANCODE_LANG1          // "" (no name, empty string; Hangul/English toggle)
	SCANCODE_LANG2          = C.SDL_SCANCODE_LANG2          // "" (no name, empty string; Hanja conversion)
	SCANCODE_LANG3          = C.SDL_SCANCODE_LANG3          // "" (no name, empty string; Katakana)
	SCANCODE_LANG4          = C.SDL_SCANCODE_LANG4          // "" (no name, empty string; Hiragana)
	SCANCODE_LANG5          = C.SDL_SCANCODE_LANG5          // "" (no name, empty string; Zenkaku/Hankaku)
	SCANCODE_LANG6          = C.SDL_SCANCODE_LANG6          // "" (no name, empty string; reserved)
	SCANCODE_LANG7          = C.SDL_SCANCODE_LANG7          // "" (no name, empty string; reserved)
	SCANCODE_LANG8          = C.SDL_SCANCODE_LANG8          // "" (no name, empty string; reserved)
	SCANCODE_LANG9          = C.SDL_SCANCODE_LANG9          // "" (no name, empty string; reserved)

	SCANCODE_ALTERASE   = C.SDL_SCANCODE_ALTERASE   // "AltErase" (Erase-Eaze)
	SCANCODE_SYSREQ     = C.SDL_SCANCODE_SYSREQ     // "SysReq" (the SysReq key)
	SCANCODE_CANCEL     = C.SDL_SCANCODE_CANCEL     // "Cancel"
	SCANCODE_CLEAR      = C.SDL_SCANCODE_CLEAR      // "Clear"
	SCANCODE_PRIOR      = C.SDL_SCANCODE_PRIOR      // "Prior"
	SCANCODE_RETURN2    = C.SDL_SCANCODE_RETURN2    // "Return"
	SCANCODE_SEPARATOR  = C.SDL_SCANCODE_SEPARATOR  // "Separator"
	SCANCODE_OUT        = C.SDL_SCANCODE_OUT        // "Out"
	SCANCODE_OPER       = C.SDL_SCANCODE_OPER       // "Oper"
	SCANCODE_CLEARAGAIN = C.SDL_SCANCODE_CLEARAGAIN // "Clear / Again"
	SCANCODE_CRSEL      = C.SDL_SCANCODE_CRSEL      // "CrSel"
	SCANCODE_EXSEL      = C.SDL_SCANCODE_EXSEL      // "ExSel"

	SCANCODE_KP_00              = C.SDL_SCANCODE_KP_00              // "Keypad 00" (the 00 key (numeric keypad))
	SCANCODE_KP_000             = C.SDL_SCANCODE_KP_000             // "Keypad 000" (the 000 key (numeric keypad))
	SCANCODE_THOUSANDSSEPARATOR = C.SDL_SCANCODE_THOUSANDSSEPARATOR // "ThousandsSeparator" (the Thousands Separator key)
	SCANCODE_DECIMALSEPARATOR   = C.SDL_SCANCODE_DECIMALSEPARATOR   // "DecimalSeparator" (the Decimal Separator key)
	SCANCODE_CURRENCYUNIT       = C.SDL_SCANCODE_CURRENCYUNIT       // "CurrencyUnit" (the Currency Unit key)
	SCANCODE_CURRENCYSUBUNIT    = C.SDL_SCANCODE_CURRENCYSUBUNIT    // "CurrencySubUnit" (the Currency Subunit key)
	SCANCODE_KP_LEFTPAREN       = C.SDL_SCANCODE_KP_LEFTPAREN       // "Keypad (" (the Left Parenthesis key (numeric keypad))
	SCANCODE_KP_RIGHTPAREN      = C.SDL_SCANCODE_KP_RIGHTPAREN      // "Keypad )" (the Right Parenthesis key (numeric keypad))
	SCANCODE_KP_LEFTBRACE       = C.SDL_SCANCODE_KP_LEFTBRACE       // "Keypad {" (the Left Brace key (numeric keypad))
	SCANCODE_KP_RIGHTBRACE      = C.SDL_SCANCODE_KP_RIGHTBRACE      // "Keypad }" (the Right Brace key (numeric keypad))
	SCANCODE_KP_TAB             = C.SDL_SCANCODE_KP_TAB             // "Keypad Tab" (the Tab key (numeric keypad))
	SCANCODE_KP_BACKSPACE       = C.SDL_SCANCODE_KP_BACKSPACE       // "Keypad Backspace" (the Backspace key (numeric keypad))
	SCANCODE_KP_A               = C.SDL_SCANCODE_KP_A               // "Keypad A" (the A key (numeric keypad))
	SCANCODE_KP_B               = C.SDL_SCANCODE_KP_B               // "Keypad B" (the B key (numeric keypad))
	SCANCODE_KP_C               = C.SDL_SCANCODE_KP_C               // "Keypad C" (the C key (numeric keypad))
	SCANCODE_KP_D               = C.SDL_SCANCODE_KP_D               // "Keypad D" (the D key (numeric keypad))
	SCANCODE_KP_E               = C.SDL_SCANCODE_KP_E               // "Keypad E" (the E key (numeric keypad))
	SCANCODE_KP_F               = C.SDL_SCANCODE_KP_F               // "Keypad F" (the F key (numeric keypad))
	SCANCODE_KP_XOR             = C.SDL_SCANCODE_KP_XOR             // "Keypad XOR" (the XOR key (numeric keypad))
	SCANCODE_KP_POWER           = C.SDL_SCANCODE_KP_POWER           // "Keypad ^" (the Power key (numeric keypad))
	SCANCODE_KP_PERCENT         = C.SDL_SCANCODE_KP_PERCENT         // "Keypad %" (the Percent key (numeric keypad))
	SCANCODE_KP_LESS            = C.SDL_SCANCODE_KP_LESS            // "Keypad <" (the Less key (numeric keypad))
	SCANCODE_KP_GREATER         = C.SDL_SCANCODE_KP_GREATER         // "Keypad >" (the Greater key (numeric keypad))
	SCANCODE_KP_AMPERSAND       = C.SDL_SCANCODE_KP_AMPERSAND       // "Keypad &" (the & key (numeric keypad))
	SCANCODE_KP_DBLAMPERSAND    = C.SDL_SCANCODE_KP_DBLAMPERSAND    // "Keypad &&" (the && key (numeric keypad))
	SCANCODE_KP_VERTICALBAR     = C.SDL_SCANCODE_KP_VERTICALBAR     // "Keypad |" (the | key (numeric keypad))
	SCANCODE_KP_DBLVERTICALBAR  = C.SDL_SCANCODE_KP_DBLVERTICALBAR  // "Keypad ||" (the || key (numeric keypad))
	SCANCODE_KP_COLON           = C.SDL_SCANCODE_KP_COLON           // "Keypad :" (the : key (numeric keypad))
	SCANCODE_KP_HASH            = C.SDL_SCANCODE_KP_HASH            // "Keypad #" (the # key (numeric keypad))
	SCANCODE_KP_SPACE           = C.SDL_SCANCODE_KP_SPACE           // "Keypad Space" (the Space key (numeric keypad))
	SCANCODE_KP_AT              = C.SDL_SCANCODE_KP_AT              // "Keypad @" (the @ key (numeric keypad))
	SCANCODE_KP_EXCLAM          = C.SDL_SCANCODE_KP_EXCLAM          // "Keypad !" (the ! key (numeric keypad))
	SCANCODE_KP_MEMSTORE        = C.SDL_SCANCODE_KP_MEMSTORE        // "Keypad MemStore" (the Mem Store key (numeric keypad))
	SCANCODE_KP_MEMRECALL       = C.SDL_SCANCODE_KP_MEMRECALL       // "Keypad MemRecall" (the Mem Recall key (numeric keypad))
	SCANCODE_KP_MEMCLEAR        = C.SDL_SCANCODE_KP_MEMCLEAR        // "Keypad MemClear" (the Mem Clear key (numeric keypad))
	SCANCODE_KP_MEMADD          = C.SDL_SCANCODE_KP_MEMADD          // "Keypad MemAdd" (the Mem Add key (numeric keypad))
	SCANCODE_KP_MEMSUBTRACT     = C.SDL_SCANCODE_KP_MEMSUBTRACT     // "Keypad MemSubtract" (the Mem Subtract key (numeric keypad))
	SCANCODE_KP_MEMMULTIPLY     = C.SDL_SCANCODE_KP_MEMMULTIPLY     // "Keypad MemMultiply" (the Mem Multiply key (numeric keypad))
	SCANCODE_KP_MEMDIVIDE       = C.SDL_SCANCODE_KP_MEMDIVIDE       // "Keypad MemDivide" (the Mem Divide key (numeric keypad))
	SCANCODE_KP_PLUSMINUS       = C.SDL_SCANCODE_KP_PLUSMINUS       // "Keypad +/-" (the +/- key (numeric keypad))
	SCANCODE_KP_CLEAR           = C.SDL_SCANCODE_KP_CLEAR           // "Keypad Clear" (the Clear key (numeric keypad))
	SCANCODE_KP_CLEARENTRY      = C.SDL_SCANCODE_KP_CLEARENTRY      // "Keypad ClearEntry" (the Clear Entry key (numeric keypad))
	SCANCODE_KP_BINARY          = C.SDL_SCANCODE_KP_BINARY          // "Keypad Binary" (the Binary key (numeric keypad))
	SCANCODE_KP_OCTAL           = C.SDL_SCANCODE_KP_OCTAL           // "Keypad Octal" (the Octal key (numeric keypad))
	SCANCODE_KP_DECIMAL         = C.SDL_SCANCODE_KP_DECIMAL         // "Keypad Decimal" (the Decimal key (numeric keypad))
	SCANCODE_KP_HEXADECIMAL     = C.SDL_SCANCODE_KP_HEXADECIMAL     // "Keypad Hexadecimal" (the Hexadecimal key (numeric keypad))

	SCANCODE_LCTRL          = C.SDL_SCANCODE_LCTRL          // "Left Ctrl"
	SCANCODE_LSHIFT         = C.SDL_SCANCODE_LSHIFT         // "Left Shift"
	SCANCODE_LALT           = C.SDL_SCANCODE_LALT           // "Left Alt" (alt, option)
	SCANCODE_LGUI           = C.SDL_SCANCODE_LGUI           // "Left GUI" (windows, command (apple), meta)
	SCANCODE_RCTRL          = C.SDL_SCANCODE_RCTRL          // "Right Ctrl"
	SCANCODE_RSHIFT         = C.SDL_SCANCODE_RSHIFT         // "Right Shift"
	SCANCODE_RALT           = C.SDL_SCANCODE_RALT           // "Right Alt" (alt gr, option)
	SCANCODE_RGUI           = C.SDL_SCANCODE_RGUI           // "Right GUI" (windows, command (apple), meta)
	SCANCODE_MODE           = C.SDL_SCANCODE_MODE           // "ModeSwitch" (I'm not sure if this is really not covered by any of the above, but since there's a special KMOD_MODE for it I'm adding it here)
	SCANCODE_AUDIONEXT      = C.SDL_SCANCODE_AUDIONEXT      // "AudioNext" (the Next Track media key)
	SCANCODE_AUDIOPREV      = C.SDL_SCANCODE_AUDIOPREV      // "AudioPrev" (the Previous Track media key)
	SCANCODE_AUDIOSTOP      = C.SDL_SCANCODE_AUDIOSTOP      // "AudioStop" (the Stop media key)
	SCANCODE_AUDIOPLAY      = C.SDL_SCANCODE_AUDIOPLAY      // "AudioPlay" (the Play media key)
	SCANCODE_AUDIOMUTE      = C.SDL_SCANCODE_AUDIOMUTE      // "AudioMute" (the Mute volume key)
	SCANCODE_MEDIASELECT    = C.SDL_SCANCODE_MEDIASELECT    // "MediaSelect" (the Media Select key)
	SCANCODE_WWW            = C.SDL_SCANCODE_WWW            // "WWW" (the WWW/World Wide Web key)
	SCANCODE_MAIL           = C.SDL_SCANCODE_MAIL           // "Mail" (the Mail/eMail key)
	SCANCODE_CALCULATOR     = C.SDL_SCANCODE_CALCULATOR     // "Calculator" (the Calculator key)
	SCANCODE_COMPUTER       = C.SDL_SCANCODE_COMPUTER       // "Computer" (the My Computer key)
	SCANCODE_AC_SEARCH      = C.SDL_SCANCODE_AC_SEARCH      // "AC Search" (the Search key (application control keypad))
	SCANCODE_AC_HOME        = C.SDL_SCANCODE_AC_HOME        // "AC Home" (the Home key (application control keypad))
	SCANCODE_AC_BACK        = C.SDL_SCANCODE_AC_BACK        // "AC Back" (the Back key (application control keypad))
	SCANCODE_AC_FORWARD     = C.SDL_SCANCODE_AC_FORWARD     // "AC Forward" (the Forward key (application control keypad))
	SCANCODE_AC_STOP        = C.SDL_SCANCODE_AC_STOP        // "AC Stop" (the Stop key (application control keypad))
	SCANCODE_AC_REFRESH     = C.SDL_SCANCODE_AC_REFRESH     // "AC Refresh" (the Refresh key (application control keypad))
	SCANCODE_AC_BOOKMARKS   = C.SDL_SCANCODE_AC_BOOKMARKS   // "AC Bookmarks" (the Bookmarks key (application control keypad))
	SCANCODE_BRIGHTNESSDOWN = C.SDL_SCANCODE_BRIGHTNESSDOWN // "BrightnessDown" (the Brightness Down key)
	SCANCODE_BRIGHTNESSUP   = C.SDL_SCANCODE_BRIGHTNESSUP   // "BrightnessUp" (the Brightness Up key)
	SCANCODE_DISPLAYSWITCH  = C.SDL_SCANCODE_DISPLAYSWITCH  // "DisplaySwitch" (display mirroring/dual display switch, video mode switch)
	SCANCODE_KBDILLUMTOGGLE = C.SDL_SCANCODE_KBDILLUMTOGGLE // "KBDIllumToggle" (the Keyboard Illumination Toggle key)
	SCANCODE_KBDILLUMDOWN   = C.SDL_SCANCODE_KBDILLUMDOWN   // "KBDIllumDown" (the Keyboard Illumination Down key)
	SCANCODE_KBDILLUMUP     = C.SDL_SCANCODE_KBDILLUMUP     // "KBDIllumUp" (the Keyboard Illumination Up key)
	SCANCODE_EJECT          = C.SDL_SCANCODE_EJECT          // "Eject" (the Eject key)
	SCANCODE_SLEEP          = C.SDL_SCANCODE_SLEEP          // "Sleep" (the Sleep key)
	SCANCODE_APP1           = C.SDL_SCANCODE_APP1
	SCANCODE_APP2           = C.SDL_SCANCODE_APP2
	NUM_SCANCODES           = C.SDL_NUM_SCANCODES
)

The SDL keyboard scancode representation. (https://wiki.libsdl.org/SDL_Scancode) (https://wiki.libsdl.org/SDLScancodeLookup)

View Source 
const (
	INIT_TIMER          = C.SDL_INIT_TIMER          // timer subsystem
	INIT_AUDIO          = C.SDL_INIT_AUDIO          // audio subsystem
	INIT_VIDEO          = C.SDL_INIT_VIDEO          // video subsystem; automatically initializes the events subsystem
	INIT_JOYSTICK       = C.SDL_INIT_JOYSTICK       // joystick subsystem; automatically initializes the events subsystem
	INIT_HAPTIC         = C.SDL_INIT_HAPTIC         // haptic (force feedback) subsystem
	INIT_GAMECONTROLLER = C.SDL_INIT_GAMECONTROLLER // controller subsystem; automatically initializes the joystick subsystem
	INIT_EVENTS         = C.SDL_INIT_EVENTS         // events subsystem
	INIT_NOPARACHUTE    = C.SDL_INIT_NOPARACHUTE    // compatibility; this flag is ignored
	INIT_SENSOR         = C.SDL_INIT_SENSOR         // sensor subsystem
	INIT_EVERYTHING     = C.SDL_INIT_EVERYTHING     // all of the above subsystems
)

These are the flags which may be passed to SDL_Init(). (https://wiki.libsdl.org/SDL_Init)

View Source 
const (
	RELEASED = 0
	PRESSED  = 1
)
View Source 
const (
	SWSURFACE = C.SDL_SWSURFACE // just here for compatibility
	PREALLOC  = C.SDL_PREALLOC  // surface uses preallocated memory
	RLEACCEL  = C.SDL_RLEACCEL  // surface is RLE encoded
	DONTFREE  = C.SDL_DONTFREE  // surface is referenced internally
)

Surface flags (internal use)

View Source 
const (
	YUV_CONVERSION_JPEG      YUV_CONVERSION_MODE = C.SDL_YUV_CONVERSION_JPEG      // Full range JPEG
	YUV_CONVERSION_BT601                         = C.SDL_YUV_CONVERSION_BT601     // BT.601 (the default)
	YUV_CONVERSION_BT709                         = C.SDL_YUV_CONVERSION_BT709     // BT.709
	YUV_CONVERSION_AUTOMATIC                     = C.SDL_YUV_CONVERSION_AUTOMATIC // BT.601 for SD content, BT.709 for HD content
)

YUV Conversion Modes

View Source 
const (
	SYSWM_UNKNOWN  = C.SDL_SYSWM_UNKNOWN
	SYSWM_WINDOWS  = C.SDL_SYSWM_WINDOWS  // Microsoft Windows
	SYSWM_X11      = C.SDL_SYSWM_X11      // X Window System
	SYSWM_DIRECTFB = C.SDL_SYSWM_DIRECTFB // DirectFB
	SYSWM_COCOA    = C.SDL_SYSWM_COCOA    // Apple Mac OS X
	SYSWM_UIKIT    = C.SDL_SYSWM_UIKIT    // Apple iOS
	SYSWM_WAYLAND  = C.SDL_SYSWM_WAYLAND  // Wayland (>= SDL 2.0.2)
	SYSWM_MIR      = C.SDL_SYSWM_MIR      // Mir (>= SDL 2.0.2)
	SYSWM_WINRT    = C.SDL_SYSWM_WINRT    // WinRT (>= SDL 2.0.3)
	SYSWM_ANDROID  = C.SDL_SYSWM_ANDROID  // Android (>= SDL 2.0.4)
	SYSWM_VIVANTE  = C.SDL_SYSWM_VIVANTE  // Vivante (>= SDL 2.0.5)
)

Various supported windowing subsystems.

View Source 
const (
	MAJOR_VERSION = C.SDL_MAJOR_VERSION // major version
	MINOR_VERSION = C.SDL_MINOR_VERSION // minor version
	PATCHLEVEL    = C.SDL_PATCHLEVEL    // update version (patchlevel)
)

The version of SDL in use.

View Source 
const (
	WINDOW_FULLSCREEN         = C.SDL_WINDOW_FULLSCREEN         // fullscreen window
	WINDOW_OPENGL             = C.SDL_WINDOW_OPENGL             // window usable with OpenGL context
	WINDOW_SHOWN              = C.SDL_WINDOW_SHOWN              // window is visible
	WINDOW_HIDDEN             = C.SDL_WINDOW_HIDDEN             // window is not visible
	WINDOW_BORDERLESS         = C.SDL_WINDOW_BORDERLESS         // no window decoration
	WINDOW_RESIZABLE          = C.SDL_WINDOW_RESIZABLE          // window can be resized
	WINDOW_MINIMIZED          = C.SDL_WINDOW_MINIMIZED          // window is minimized
	WINDOW_MAXIMIZED          = C.SDL_WINDOW_MAXIMIZED          // window is maximized
	WINDOW_INPUT_GRABBED      = C.SDL_WINDOW_INPUT_GRABBED      // window has grabbed input focus
	WINDOW_INPUT_FOCUS        = C.SDL_WINDOW_INPUT_FOCUS        // window has input focus
	WINDOW_MOUSE_FOCUS        = C.SDL_WINDOW_MOUSE_FOCUS        // window has mouse focus
	WINDOW_FULLSCREEN_DESKTOP = C.SDL_WINDOW_FULLSCREEN_DESKTOP // fullscreen window at the current desktop resolution
	WINDOW_FOREIGN            = C.SDL_WINDOW_FOREIGN            // window not created by SDL
	WINDOW_ALLOW_HIGHDPI      = C.SDL_WINDOW_ALLOW_HIGHDPI      // window should be created in high-DPI mode if supported (>= SDL 2.0.1)
	WINDOW_MOUSE_CAPTURE      = C.SDL_WINDOW_MOUSE_CAPTURE      // window has mouse captured (unrelated to INPUT_GRABBED, >= SDL 2.0.4)
	WINDOW_ALWAYS_ON_TOP      = C.SDL_WINDOW_ALWAYS_ON_TOP      // window should always be above others (X11 only, >= SDL 2.0.5)
	WINDOW_SKIP_TASKBAR       = C.SDL_WINDOW_SKIP_TASKBAR       // window should not be added to the taskbar (X11 only, >= SDL 2.0.5)
	WINDOW_UTILITY            = C.SDL_WINDOW_UTILITY            // window should be treated as a utility window (X11 only, >= SDL 2.0.5)
	WINDOW_TOOLTIP            = C.SDL_WINDOW_TOOLTIP            // window should be treated as a tooltip (X11 only, >= SDL 2.0.5)
	WINDOW_POPUP_MENU         = C.SDL_WINDOW_POPUP_MENU         // window should be treated as a popup menu (X11 only, >= SDL 2.0.5)
	WINDOW_VULKAN             = C.SDL_WINDOW_VULKAN             // window usable for Vulkan surface (>= SDL 2.0.6)
)

An enumeration of window states. (https://wiki.libsdl.org/SDL_WindowFlags)

View Source 
const (
	WINDOWEVENT_NONE         = C.SDL_WINDOWEVENT_NONE         // (never used)
	WINDOWEVENT_SHOWN        = C.SDL_WINDOWEVENT_SHOWN        // window has been shown
	WINDOWEVENT_HIDDEN       = C.SDL_WINDOWEVENT_HIDDEN       // window has been hidden
	WINDOWEVENT_EXPOSED      = C.SDL_WINDOWEVENT_EXPOSED      // window has been exposed and should be redrawn
	WINDOWEVENT_MOVED        = C.SDL_WINDOWEVENT_MOVED        // window has been moved to data1, data2
	WINDOWEVENT_RESIZED      = C.SDL_WINDOWEVENT_RESIZED      // window has been resized to data1xdata2; this event is always preceded by WINDOWEVENT_SIZE_CHANGED
	WINDOWEVENT_SIZE_CHANGED = C.SDL_WINDOWEVENT_SIZE_CHANGED // window size has changed, either as a result of an API call or through the system or user changing the window size; this event is followed by WINDOWEVENT_RESIZED if the size was changed by an external event, i.e. the user or the window manager
	WINDOWEVENT_MINIMIZED    = C.SDL_WINDOWEVENT_MINIMIZED    // window has been minimized
	WINDOWEVENT_MAXIMIZED    = C.SDL_WINDOWEVENT_MAXIMIZED    // window has been maximized
	WINDOWEVENT_RESTORED     = C.SDL_WINDOWEVENT_RESTORED     // window has been restored to normal size and position
	WINDOWEVENT_ENTER        = C.SDL_WINDOWEVENT_ENTER        // window has gained mouse focus
	WINDOWEVENT_LEAVE        = C.SDL_WINDOWEVENT_LEAVE        // window has lost mouse focus
	WINDOWEVENT_FOCUS_GAINED = C.SDL_WINDOWEVENT_FOCUS_GAINED // window has gained keyboard focus
	WINDOWEVENT_FOCUS_LOST   = C.SDL_WINDOWEVENT_FOCUS_LOST   // window has lost keyboard focus
	WINDOWEVENT_CLOSE        = C.SDL_WINDOWEVENT_CLOSE        // the window manager requests that the window be closed
	WINDOWEVENT_TAKE_FOCUS   = C.SDL_WINDOWEVENT_TAKE_FOCUS   // window is being offered a focus (should SDL_SetWindowInputFocus() on itself or a subwindow, or ignore) (>= SDL 2.0.5)
	WINDOWEVENT_HIT_TEST     = C.SDL_WINDOWEVENT_HIT_TEST     // window had a hit test that wasn't SDL_HITTEST_NORMAL (>= SDL 2.0.5)
)

An enumeration of window events. (https://wiki.libsdl.org/SDL_WindowEventID)

View Source 
const (
	WINDOWPOS_UNDEFINED_MASK = C.SDL_WINDOWPOS_UNDEFINED_MASK // used to indicate that you don't care what the window position is
	WINDOWPOS_UNDEFINED      = C.SDL_WINDOWPOS_UNDEFINED      // used to indicate that you don't care what the window position is
	WINDOWPOS_CENTERED_MASK  = C.SDL_WINDOWPOS_CENTERED_MASK  // used to indicate that the window position should be centered
	WINDOWPOS_CENTERED       = C.SDL_WINDOWPOS_CENTERED       // used to indicate that the window position should be centered
)

Window position flags. (https://wiki.libsdl.org/SDL_CreateWindow)

View Source 
const (
	MESSAGEBOX_ERROR       = C.SDL_MESSAGEBOX_ERROR       // error dialog
	MESSAGEBOX_WARNING     = C.SDL_MESSAGEBOX_WARNING     // warning dialog
	MESSAGEBOX_INFORMATION = C.SDL_MESSAGEBOX_INFORMATION // informational dialog
)

An enumeration of message box flags (e.g. if supported message box will display warning icon). (https://wiki.libsdl.org/SDL_MessageBoxFlags)

View Source 
const (
	MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT = C.SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT // marks the default button when return is hit
	MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT = C.SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT // marks the default button when escape is hit
)

Flags for MessageBoxButtonData.

View Source 
const (
	GL_RED_SIZE                   = C.SDL_GL_RED_SIZE                   // the minimum number of bits for the red channel of the color buffer; defaults to 3
	GL_GREEN_SIZE                 = C.SDL_GL_GREEN_SIZE                 // the minimum number of bits for the green channel of the color buffer; defaults to 3
	GL_BLUE_SIZE                  = C.SDL_GL_BLUE_SIZE                  // the minimum number of bits for the blue channel of the color buffer; defaults to 2
	GL_ALPHA_SIZE                 = C.SDL_GL_ALPHA_SIZE                 // the minimum number of bits for the alpha channel of the color buffer; defaults to 0
	GL_BUFFER_SIZE                = C.SDL_GL_BUFFER_SIZE                // the minimum number of bits for frame buffer size; defaults to 0
	GL_DOUBLEBUFFER               = C.SDL_GL_DOUBLEBUFFER               // whether the output is single or double buffered; defaults to double buffering on
	GL_DEPTH_SIZE                 = C.SDL_GL_DEPTH_SIZE                 // the minimum number of bits in the depth buffer; defaults to 16
	GL_STENCIL_SIZE               = C.SDL_GL_STENCIL_SIZE               // the minimum number of bits in the stencil buffer; defaults to 0
	GL_ACCUM_RED_SIZE             = C.SDL_GL_ACCUM_RED_SIZE             // the minimum number of bits for the red channel of the accumulation buffer; defaults to 0
	GL_ACCUM_GREEN_SIZE           = C.SDL_GL_ACCUM_GREEN_SIZE           // the minimum number of bits for the green channel of the accumulation buffer; defaults to 0
	GL_ACCUM_BLUE_SIZE            = C.SDL_GL_ACCUM_BLUE_SIZE            // the minimum number of bits for the blue channel of the accumulation buffer; defaults to 0
	GL_ACCUM_ALPHA_SIZE           = C.SDL_GL_ALPHA_SIZE                 // the minimum number of bits for the alpha channel of the accumulation buffer; defaults to 0
	GL_STEREO                     = C.SDL_GL_STEREO                     // whether the output is stereo 3D; defaults to off
	GL_MULTISAMPLEBUFFERS         = C.SDL_GL_MULTISAMPLEBUFFERS         // the number of buffers used for multisample anti-aliasing; defaults to 0; see Remarks for details
	GL_MULTISAMPLESAMPLES         = C.SDL_GL_MULTISAMPLESAMPLES         // the number of samples used around the current pixel used for multisample anti-aliasing; defaults to 0; see Remarks for details
	GL_ACCELERATED_VISUAL         = C.SDL_GL_ACCELERATED_VISUAL         // set to 1 to require hardware acceleration, set to 0 to force software rendering; defaults to allow either
	GL_RETAINED_BACKING           = C.SDL_GL_RETAINED_BACKING           // not used (deprecated)
	GL_CONTEXT_MAJOR_VERSION      = C.SDL_GL_CONTEXT_MAJOR_VERSION      // OpenGL context major version
	GL_CONTEXT_MINOR_VERSION      = C.SDL_GL_CONTEXT_MINOR_VERSION      // OpenGL context minor version
	GL_CONTEXT_EGL                = C.SDL_GL_CONTEXT_EGL                // not used (deprecated)
	GL_CONTEXT_FLAGS              = C.SDL_GL_CONTEXT_FLAGS              // some combination of 0 or more of elements of the GLcontextFlag enumeration; defaults to 0 (https://wiki.libsdl.org/SDL_GLcontextFlag)
	GL_CONTEXT_PROFILE_MASK       = C.SDL_GL_CONTEXT_PROFILE_MASK       // type of GL context (Core, Compatibility, ES); default value depends on platform (https://wiki.libsdl.org/SDL_GLprofile)
	GL_SHARE_WITH_CURRENT_CONTEXT = C.SDL_GL_SHARE_WITH_CURRENT_CONTEXT // OpenGL context sharing; defaults to 0
	GL_FRAMEBUFFER_SRGB_CAPABLE   = C.SDL_GL_FRAMEBUFFER_SRGB_CAPABLE   // requests sRGB capable visual; defaults to 0 (>= SDL 2.0.1)
	GL_CONTEXT_RELEASE_BEHAVIOR   = C.SDL_GL_CONTEXT_RELEASE_BEHAVIOR   // sets context the release behavior; defaults to 1 (>= SDL 2.0.4)
	GL_CONTEXT_RESET_NOTIFICATION = C.SDL_GL_CONTEXT_RESET_NOTIFICATION // (>= SDL 2.0.6)
	GL_CONTEXT_NO_ERROR           = C.SDL_GL_CONTEXT_NO_ERROR           // (>= SDL 2.0.6)
)

OpenGL configuration attributes. (https://wiki.libsdl.org/SDL_GL_SetAttribute)

View Source 
const (
	GL_CONTEXT_PROFILE_CORE          = C.SDL_GL_CONTEXT_PROFILE_CORE          // OpenGL core profile - deprecated functions are disabled
	GL_CONTEXT_PROFILE_COMPATIBILITY = C.SDL_GL_CONTEXT_PROFILE_COMPATIBILITY // OpenGL compatibility profile - deprecated functions are allowed
	GL_CONTEXT_PROFILE_ES            = C.SDL_GL_CONTEXT_PROFILE_ES            // OpenGL ES profile - only a subset of the base OpenGL functionality is available
)

An enumeration of OpenGL profiles. (https://wiki.libsdl.org/SDL_GLprofile)

View Source 
const (
	GL_CONTEXT_DEBUG_FLAG              = C.SDL_GL_CONTEXT_DEBUG_FLAG              // intended to put the GL into a "debug" mode which might offer better developer insights, possibly at a loss of performance
	GL_CONTEXT_FORWARD_COMPATIBLE_FLAG = C.SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG // intended to put the GL into a "forward compatible" mode, which means that no deprecated functionality will be supported, possibly at a gain in performance, and only applies to GL 3.0 and later contexts
	GL_CONTEXT_ROBUST_ACCESS_FLAG      = C.SDL_GL_CONTEXT_ROBUST_ACCESS_FLAG      // intended to require a GL context that supports the GL_ARB_robustness extension--a mode that offers a few APIs that are safer than the usual defaults (think snprintf() vs sprintf())
	GL_CONTEXT_RESET_ISOLATION_FLAG    = C.SDL_GL_CONTEXT_RESET_ISOLATION_FLAG    // intended to require the GL to make promises about what to do in the face of driver or hardware failure
)

An enumeration of OpenGL context configuration flags. (https://wiki.libsdl.org/SDL_GLcontextFlag)

View Source 
const CACHELINE_SIZE = C.SDL_CACHELINE_SIZE

CACHELINE_SIZE is a cacheline size used for padding.

View Source 
const K_SCANCODE_MASK = 1 << 30
View Source 
const MIX_MAXVOLUME = C.SDL_MIX_MAXVOLUME // full audio volume

MIX_MAXVOLUME is the full audio volume value used in MixAudioFormat() and AudioFormat(). (https://wiki.libsdl.org/SDL_MixAudioFormat)

View Source 
const (
	STANDARD_GRAVITY = 9.80665
)
View Source 
const TOUCH_MOUSEID = C.SDL_TOUCH_MOUSEID

TOUCH_MOUSEID is the device ID for mouse events simulated with touch input

Variables

View Source 
var (
	PIXELFORMAT_RGBA32 = C.SDL_PIXELFORMAT_RGBA32
	PIXELFORMAT_ARGB32 = C.SDL_PIXELFORMAT_ARGB32
	PIXELFORMAT_BGRA32 = C.SDL_PIXELFORMAT_BGRA32
	PIXELFORMAT_ABGR32 = C.SDL_PIXELFORMAT_ABGR32
)

Pixel format variables.

View Source 
var ErrInvalidParameters = errors.New("Invalid Parameters")

Functions

func AddHintCallback 

func AddHintCallback(name string, fn HintCallback, data interface{})

AddHintCallback adds a function to watch a particular hint. (https://wiki.libsdl.org/SDL_AddHintCallback)

func AudioInit 

func AudioInit(driverName string) error

AudioInit initializes a particular audio driver. (https://wiki.libsdl.org/SDL_AudioInit)

func AudioQuit 

func AudioQuit()

AudioQuit shuts down audio if you initialized it with AudioInit(). (https://wiki.libsdl.org/SDL_AudioQuit)

func BitsPerPixel 

func BitsPerPixel(format uint32) int

BitsPerPixel returns the number of bits per pixel for the given format

func Btoi 

func Btoi(b bool) int

Btoi returns 0 or 1 according to the value of b.

func BuildAudioCVT 

func BuildAudioCVT(cvt *AudioCVT, srcFormat AudioFormat, srcChannels uint8, srcRate int, dstFormat AudioFormat, dstChannels uint8, dstRate int) (converted bool, err error)

BuildAudioCVT initializes an AudioCVT structure for conversion. (https://wiki.libsdl.org/SDL_BuildAudioCVT)

func Button 

func Button(flag uint32) uint32

Button is used as a mask when testing buttons in buttonstate.

func ButtonLMask 

func ButtonLMask() uint32

ButtonLMask is used as a mask when testing buttons in buttonstate.

func ButtonMMask 

func ButtonMMask() uint32

ButtonMMask is used as a mask when testing buttons in buttonstate.

func ButtonRMask 

func ButtonRMask() uint32

ButtonRMask is used as a mask when testing buttons in buttonstate.

func ButtonX1Mask 

func ButtonX1Mask() uint32

ButtonX1Mask is used as a mask when testing buttons in buttonstate.

func ButtonX2Mask 

func ButtonX2Mask() uint32

ButtonX2Mask is used as a mask when testing buttons in buttonstate.

func BytesPerPixel 

func BytesPerPixel(format uint32) int

BytesPerPixel returns the number of bytes per pixel for the given format

func COMPILEDVERSION 

func COMPILEDVERSION() int

COMPILEDVERSION returns the SDL version number that you compiled against. (https://wiki.libsdl.org/SDL_COMPILEDVERSION)

func CalculateGammaRamp 

func CalculateGammaRamp(gamma float32, ramp *[256]uint16)

CalculateGammaRamp calculates a 256 entry gamma ramp for a gamma value. (https://wiki.libsdl.org/SDL_CalculateGammaRamp)

func CaptureMouse 

func CaptureMouse(toggle bool) error

CaptureMouse captures the mouse and tracks input outside an SDL window. (https://wiki.libsdl.org/SDL_CaptureMouse)

func ClearError 

func ClearError()

ClearError clears any previous error message. (https://wiki.libsdl.org/SDL_ClearError)

func ClearHints 

func ClearHints()

ClearHints clears all hints. (https://wiki.libsdl.org/SDL_ClearHints)

func ClearQueuedAudio 

func ClearQueuedAudio(dev AudioDeviceID)

ClearQueuedAudio drops any queued audio data waiting to be sent to the hardware. (https://wiki.libsdl.org/SDL_ClearQueuedAudio)

func CloseAudio 

func CloseAudio()

CloseAudio closes the audio device. New programs might want to use CloseAudioDevice() instead. (https://wiki.libsdl.org/SDL_CloseAudio)

func CloseAudioDevice 

func CloseAudioDevice(dev AudioDeviceID)

CloseAudioDevice shuts down audio processing and closes the audio device. (https://wiki.libsdl.org/SDL_CloseAudioDevice)

func ConvertAudio 

func ConvertAudio(cvt *AudioCVT) error

ConvertAudio converts audio data to a desired audio format. (https://wiki.libsdl.org/SDL_ConvertAudio)

func ConvertPixels 

func ConvertPixels(width, height int32, srcFormat uint32, src unsafe.Pointer, srcPitch int,
	dstFormat uint32, dst unsafe.Pointer, dstPitch int) error

ConvertPixels copies a block of pixels of one format to another format. (https://wiki.libsdl.org/SDL_ConvertPixels)

func CreateWindowAndRenderer 

func CreateWindowAndRenderer(w, h int32, flags uint32) (*Window, *Renderer, error)

CreateWindowAndRenderer returns a new window and default renderer. (https://wiki.libsdl.org/SDL_CreateWindowAndRenderer)

func CurrentThreadID 

func CurrentThreadID() uint

CurrentThreadID gets the thread identifier for the current thread. (https://wiki.libsdl.org/SDL_ThreadID)

func DelEventWatch 

func DelEventWatch(handle EventWatchHandle)

DelEventWatch removes an event watch callback added with AddEventWatch(). (https://wiki.libsdl.org/SDL_DelEventWatch)

func DelHintCallback 

func DelHintCallback(name string)

DelHintCallback removes a function watching a particular hint. (https://wiki.libsdl.org/SDL_DelHintCallback)

func Delay 

func Delay(ms uint32)

Delay waits a specified number of milliseconds before returning. (https://wiki.libsdl.org/SDL_Delay)

func DequeueAudio 

func DequeueAudio(dev AudioDeviceID, data []byte) error

DequeueAudio dequeues more audio on non-callback devices. (https://wiki.libsdl.org/SDL_DequeueAudio)

func DisableScreenSaver 

func DisableScreenSaver()

DisableScreenSaver prevents the screen from being blanked by a screen saver. (https://wiki.libsdl.org/SDL_DisableScreenSaver)

func Do 

func Do(f func())

Do the specified function in the main thread. For this function to work, you must have correctly used sdl.Main(..) in your main() function. Calling this function before/without sdl.Main(..) will cause a panic.

func EnableScreenSaver 

func EnableScreenSaver()

EnableScreenSaver allows the screen to be blanked by a screen saver. (https://wiki.libsdl.org/SDL_EnableScreenSaver)

func Error 

func Error(code ErrorCode)

Error sets the SDL error message to the specified error code.

func EventState 

func EventState(type_ uint32, state int) uint8

EventState sets the state of processing events by type. (https://wiki.libsdl.org/SDL_EventState)

func FilterEvents 

func FilterEvents(filter EventFilter, userdata interface{})

FilterEvents run a specific filter function on the current event queue, removing any events for which the filter returns 0. (https://wiki.libsdl.org/SDL_FilterEvents)

func FilterEventsFunc 

func FilterEventsFunc(filter eventFilterFunc, userdata interface{})

FilterEventsFunc run a specific function on the current event queue, removing any events for which the filter returns 0. (https://wiki.libsdl.org/SDL_FilterEvents)

func FlushEvent 

func FlushEvent(type_ uint32)

FlushEvent clears events from the event queue. (https://wiki.libsdl.org/SDL_FlushEvent)

func FlushEvents 

func FlushEvents(minType, maxType uint32)

FlushEvents clears events from the event queue. (https://wiki.libsdl.org/SDL_FlushEvents)

func FreeCursor 

func FreeCursor(cursor *Cursor)

FreeCursor frees a cursor created with CreateCursor(), CreateColorCursor() or CreateSystemCursor(). (https://wiki.libsdl.org/SDL_FreeCursor)

func FreeWAV 

func FreeWAV(audioBuf []uint8)

FreeWAV frees data previously allocated with LoadWAV() or LoadWAVRW(). (https://wiki.libsdl.org/SDL_FreeWAV)

func GLDeleteContext 

func GLDeleteContext(context GLContext)

GLDeleteContext deletes an OpenGL context. (https://wiki.libsdl.org/SDL_GL_DeleteContext)

func GLExtensionSupported 

func GLExtensionSupported(extension string) bool

GLExtensionSupported reports whether an OpenGL extension is supported for the current context. (https://wiki.libsdl.org/SDL_GL_ExtensionSupported)

func GLGetAttribute 

func GLGetAttribute(attr GLattr) (int, error)

GLGetAttribute returns the actual value for an attribute from the current context. (https://wiki.libsdl.org/SDL_GL_GetAttribute)

func GLGetProcAddress 

func GLGetProcAddress(proc string) unsafe.Pointer

GLGetProcAddress returns an OpenGL function by name. (https://wiki.libsdl.org/SDL_GL_GetProcAddress)

func GLGetSwapInterval 

func GLGetSwapInterval() (int, error)

GLGetSwapInterval returns the swap interval for the current OpenGL context. (https://wiki.libsdl.org/SDL_GL_GetSwapInterval)

func GLLoadLibrary 

func GLLoadLibrary(path string) error

GLLoadLibrary dynamically loads an OpenGL library. (https://wiki.libsdl.org/SDL_GL_LoadLibrary)

func GLSetAttribute 

func GLSetAttribute(attr GLattr, value int) error

GLSetAttribute sets an OpenGL window attribute before window creation. (https://wiki.libsdl.org/SDL_GL_SetAttribute)

func GLSetSwapInterval 

func GLSetSwapInterval(interval int) error

GLSetSwapInterval sets the swap interval for the current OpenGL context. (https://wiki.libsdl.org/SDL_GL_SetSwapInterval)

func GLUnloadLibrary 

func GLUnloadLibrary()

GLUnloadLibrary unloads the OpenGL library previously loaded by GLLoadLibrary(). (https://wiki.libsdl.org/SDL_GL_UnloadLibrary)

func GameControllerAddMapping 

func GameControllerAddMapping(mappingString string) int

GameControllerAddMapping adds support for controllers that SDL is unaware of or to cause an existing controller to have a different binding. (https://wiki.libsdl.org/SDL_GameControllerAddMapping)

func GameControllerEventState 

func GameControllerEventState(state int) int

GameControllerEventState returns the current state of, enable, or disable events dealing with Game Controllers. This will not disable Joystick events, which can also be fired by a controller (see https://wiki.libsdl.org/SDL_JoystickEventState). (https://wiki.libsdl.org/SDL_GameControllerEventState)

func GameControllerGetStringForAxis 

func GameControllerGetStringForAxis(axis GameControllerAxis) string

GameControllerGetStringForAxis converts from an axis enum to a string. (https://wiki.libsdl.org/SDL_GameControllerGetStringForAxis)

func GameControllerGetStringForButton 

func GameControllerGetStringForButton(btn GameControllerButton) string

GameControllerGetStringForButton turns a button enum into a string mapping. (https://wiki.libsdl.org/SDL_GameControllerGetStringForButton)

func GameControllerMappingForGUID 

func GameControllerMappingForGUID(guid JoystickGUID) string

GameControllerMappingForGUID returns the game controller mapping string for a given GUID. (https://wiki.libsdl.org/SDL_GameControllerMappingForGUID)

func GameControllerMappingForIndex 

func GameControllerMappingForIndex(index int) string

GameControllerMappingForIndex returns the game controller mapping string at a particular index.

func GameControllerNameForIndex 

func GameControllerNameForIndex(index int) string

GameControllerNameForIndex returns the implementation dependent name for the game controller. (https://wiki.libsdl.org/SDL_GameControllerNameForIndex)

func GameControllerNumMappings 

func GameControllerNumMappings() int

GameControllerNumMappings returns the number of mappings installed.

func GameControllerUpdate 

func GameControllerUpdate()

GameControllerUpdate manually pumps game controller updates if not using the loop. (https://wiki.libsdl.org/SDL_GameControllerUpdate)

func GetAudioDeviceName 

func GetAudioDeviceName(index int, isCapture bool) string

GetAudioDeviceName returns the name of a specific audio device. (https://wiki.libsdl.org/SDL_GetAudioDeviceName)

func GetAudioDriver 

func GetAudioDriver(index int) string

GetAudioDriver returns the name of a built in audio driver. (https://wiki.libsdl.org/SDL_GetAudioDriver)

func GetBasePath 

func GetBasePath() string

GetBasePath returns the directory where the application was run from. This is where the application data directory is. (https://wiki.libsdl.org/SDL_GetBasePath)

func GetCPUCacheLineSize 

func GetCPUCacheLineSize() int

GetCPUCacheLineSize returns the L1 cache line size of the CPU. (https://wiki.libsdl.org/SDL_GetCPUCacheLineSize)

func GetCPUCount 

func GetCPUCount() int

GetCPUCount returns the number of CPU cores available. (https://wiki.libsdl.org/SDL_GetCPUCount)

func GetClipboardText 

func GetClipboardText() (string, error)

GetClipboardText returns UTF-8 text from the clipboard. (https://wiki.libsdl.org/SDL_GetClipboardText)

func GetCurrentAudioDriver 

func GetCurrentAudioDriver() string

GetCurrentAudioDriver returns the name of the current audio driver. (https://wiki.libsdl.org/SDL_GetCurrentAudioDriver)

func GetCurrentVideoDriver 

func GetCurrentVideoDriver() (string, error)

GetCurrentVideoDriver returns the name of the currently initialized video driver. (https://wiki.libsdl.org/SDL_GetCurrentVideoDriver)

func GetDisplayDPI 

func GetDisplayDPI(displayIndex int) (ddpi, hdpi, vdpi float32, err error)

GetDisplayDPI returns the dots/pixels-per-inch for a display. (https://wiki.libsdl.org/SDL_GetDisplayDPI)

func GetDisplayName 

func GetDisplayName(displayIndex int) (string, error)

GetDisplayName returns the name of a display in UTF-8 encoding. (https://wiki.libsdl.org/SDL_GetDisplayName)

func GetError 

func GetError() error

GetError returns the last error that occurred, or an empty string if there hasn't been an error message set since the last call to ClearError(). (https://wiki.libsdl.org/SDL_GetError)

func GetEventState 

func GetEventState(type_ uint32) uint8

GetEventState returns the current processing state of the specified event (https://wiki.libsdl.org/SDL_EventState)

func GetGlobalMouseState 

func GetGlobalMouseState() (x, y int32, state uint32)

GetGlobalMouseState returns the current state of the mouse. (https://wiki.libsdl.org/SDL_GetGlobalMouseState)

func GetHint 

func GetHint(name string) string

GetHint returns the value of a hint. (https://wiki.libsdl.org/SDL_GetHint)

func GetKeyName 

func GetKeyName(code Keycode) string

GetKeyName returns a human-readable name for a key. (https://wiki.libsdl.org/SDL_GetKeyName)

func GetKeyboardState 

func GetKeyboardState() []uint8

GetKeyboardState returns a snapshot of the current state of the keyboard. (https://wiki.libsdl.org/SDL_GetKeyboardState)

func GetMouseState 

func GetMouseState() (x, y int32, state uint32)

GetMouseState returns the current state of the mouse. (https://wiki.libsdl.org/SDL_GetMouseState)

func GetNumAudioDevices 

func GetNumAudioDevices(isCapture bool) int

GetNumAudioDevices returns the number of built-in audio devices. (https://wiki.libsdl.org/SDL_GetNumAudioDevices)

func GetNumAudioDrivers 

func GetNumAudioDrivers() int

GetNumAudioDrivers returns the number of built-in audio drivers. (https://wiki.libsdl.org/SDL_GetNumAudioDrivers)

func GetNumDisplayModes 

func GetNumDisplayModes(displayIndex int) (int, error)

GetNumDisplayModes returns the number of available display modes. (https://wiki.libsdl.org/SDL_GetNumDisplayModes)

func GetNumRenderDrivers 

func GetNumRenderDrivers() (int, error)

GetNumRenderDrivers returns the number of 2D rendering drivers available for the current display. (https://wiki.libsdl.org/SDL_GetNumRenderDrivers)

func GetNumTouchDevices 

func GetNumTouchDevices() int

GetNumTouchDevices returns the number of registered touch devices. (https://wiki.libsdl.org/SDL_GetNumTouchDevices)

func GetNumTouchFingers 

func GetNumTouchFingers(t TouchID) int

GetNumTouchFingers returns the number of active fingers for a given touch device. (https://wiki.libsdl.org/SDL_GetNumTouchFingers)

func GetNumVideoDisplays 

func GetNumVideoDisplays() (int, error)

GetNumVideoDisplays returns the number of available video displays. (https://wiki.libsdl.org/SDL_GetNumVideoDisplays)

func GetNumVideoDrivers 

func GetNumVideoDrivers() (int, error)

GetNumVideoDrivers returns the number of video drivers compiled into SDL. (https://wiki.libsdl.org/SDL_GetNumVideoDrivers)

func GetPerformanceCounter 

func GetPerformanceCounter() uint64

GetPerformanceCounter returns the current value of the high resolution counter. (https://wiki.libsdl.org/SDL_GetPerformanceCounter)

func GetPerformanceFrequency 

func GetPerformanceFrequency() uint64

GetPerformanceFrequency returns the count per second of the high resolution counter. (https://wiki.libsdl.org/SDL_GetPerformanceFrequency)

func GetPixelFormatName 

func GetPixelFormatName(format uint) string

GetPixelFormatName returns the human readable name of a pixel format. (https://wiki.libsdl.org/SDL_GetPixelFormatName)

func GetPlatform 

func GetPlatform() string

GetPlatform returns the name of the platform. (https://wiki.libsdl.org/SDL_GetPlatform)

func GetPowerInfo 

func GetPowerInfo() (int, int, int)

GetPowerInfo returns the current power supply details. (https://wiki.libsdl.org/SDL_GetPowerInfo)

func GetPrefPath 

func GetPrefPath(org, app string) string

GetPrefPath returns the "pref dir". This is meant to be where the application can write personal files (Preferences and save games, etc.) that are specific to the application. This directory is unique per user and per application. (https://wiki.libsdl.org/SDL_GetPrefPath)

func GetQueuedAudioSize 

func GetQueuedAudioSize(dev AudioDeviceID) uint32

GetQueuedAudioSize returns the number of bytes of still-queued audio. (https://wiki.libsdl.org/SDL_GetQueuedAudioSize)

func GetRGB 

func GetRGB(pixel uint32, format *PixelFormat) (r, g, b uint8)

GetRGB returns RGB values from a pixel in the specified format. (https://wiki.libsdl.org/SDL_GetRGB)

func GetRGBA 

func GetRGBA(pixel uint32, format *PixelFormat) (r, g, b, a uint8)

GetRGBA returns RGBA values from a pixel in the specified format. (https://wiki.libsdl.org/SDL_GetRGBA)

func GetRelativeMouseMode 

func GetRelativeMouseMode() bool

GetRelativeMouseMode reports where relative mouse mode is enabled. (https://wiki.libsdl.org/SDL_GetRelativeMouseMode)

func GetRelativeMouseState 

func GetRelativeMouseState() (x, y int32, state uint32)

GetRelativeMouseState returns the relative state of the mouse. (https://wiki.libsdl.org/SDL_GetRelativeMouseState)

func GetRenderDriverInfo 

func GetRenderDriverInfo(index int, info *RendererInfo) (int, error)

GetRenderDriverInfo returns information about a specific 2D rendering driver for the current display. (https://wiki.libsdl.org/SDL_GetRenderDriverInfo)

func GetRevision 

func GetRevision() string

GetRevision returns the code revision of SDL that is linked against your program. (https://wiki.libsdl.org/SDL_GetRevision)

func GetRevisionNumber 

func GetRevisionNumber() int

GetRevisionNumber returns the revision number of SDL that is linked against your program. (https://wiki.libsdl.org/SDL_GetRevisionNumber)

func GetScancodeName 

func GetScancodeName(code Scancode) string

GetScancodeName returns a human-readable name for a scancode (https://wiki.libsdl.org/SDL_GetScancodeName)

func GetSystemRAM 

func GetSystemRAM() int

GetSystemRAM returns the amount of RAM configured in the system. (https://wiki.libsdl.org/SDL_GetSystemRAM)

func GetTicks 

func GetTicks() uint32

GetTicks returns the number of milliseconds since the SDL library initialization. (https://wiki.libsdl.org/SDL_GetTicks)

func GetVersion 

func GetVersion(v *Version)

GetVersion returns the version of SDL that is linked against your program. (https://wiki.libsdl.org/SDL_GetVersion)

func GetVideoDriver 

func GetVideoDriver(index int) string

GetVideoDriver returns the name of a built in video driver. (https://wiki.libsdl.org/SDL_GetVideoDriver)

func HapticIndex 

func HapticIndex(h *Haptic) (int, error)

HapticIndex returns the index of a haptic device. (https://wiki.libsdl.org/SDL_HapticIndex)

func HapticName 

func HapticName(index int) (string, error)

HapticName returns the implementation dependent name of a haptic device. (https://wiki.libsdl.org/SDL_HapticName)

func HapticOpened 

func HapticOpened(index int) (bool, error)

HapticOpened reports whether the haptic device at the designated index has been opened. (https://wiki.libsdl.org/SDL_HapticOpened)

func Has3DNow 

func Has3DNow() bool

Has3DNow reports whether the CPU has 3DNow! features. (https://wiki.libsdl.org/SDL_Has3DNow)

func HasAVX 

func HasAVX() bool

HasAVX reports whether the CPU has AVX features. (https://wiki.libsdl.org/SDL_HasAVX)

func HasAVX2 

func HasAVX2() bool

HasAVX2 reports whether the CPU has AVX2 features. (https://wiki.libsdl.org/SDL_HasAVX2)

func HasAltiVec 

func HasAltiVec() bool

HasAltiVec reports whether the CPU has AltiVec features. (https://wiki.libsdl.org/SDL_HasAltiVec)

func HasClipboardText 

func HasClipboardText() bool

HasClipboardText reports whether the clipboard exists and contains a text string that is non-empty. (https://wiki.libsdl.org/SDL_HasClipboardText)

func HasEvent 

func HasEvent(type_ uint32) bool

HasEvent checks for the existence of certain event types in the event queue. (https://wiki.libsdl.org/SDL_HasEvent)

func HasEvents 

func HasEvents(minType, maxType uint32) bool

HasEvents checks for the existence of a range of event types in the event queue. (https://wiki.libsdl.org/SDL_HasEvents)

func HasMMX 

func HasMMX() bool

HasMMX reports whether the CPU has MMX features. (https://wiki.libsdl.org/SDL_HasMMX)

func HasNEON 

func HasNEON() bool

HasNEON reports whether the CPU has NEON features. (https://wiki.libsdl.org/SDL_HasNEON)

func HasRDTSC 

func HasRDTSC() bool

HasRDTSC reports whether the CPU has the RDTSC instruction. (https://wiki.libsdl.org/SDL_HasRDTSC)

func HasSSE 

func HasSSE() bool

HasSSE reports whether the CPU has SSE features. (https://wiki.libsdl.org/SDL_HasSSE)

func HasSSE2 

func HasSSE2() bool

HasSSE2 reports whether the CPU has SSE2 features. (https://wiki.libsdl.org/SDL_HasSSE2)

func HasSSE3 

func HasSSE3() bool

HasSSE3 reports whether the CPU has SSE3 features. (https://wiki.libsdl.org/SDL_HasSSE3)

func HasSSE41 

func HasSSE41() bool

HasSSE41 reports whether the CPU has SSE4.1 features. (https://wiki.libsdl.org/SDL_HasSSE41)

func HasSSE42 

func HasSSE42() bool

HasSSE42 reports whether the CPU has SSE4.2 features. (https://wiki.libsdl.org/SDL_HasSSE42)

func HasScreenKeyboardSupport 

func HasScreenKeyboardSupport() bool

HasScreenKeyboardSupport reports whether the platform has some screen keyboard support. (https://wiki.libsdl.org/SDL_HasScreenKeyboardSupport)

func Init 

func Init(flags uint32) error

Init initialize the SDL library. This must be called before using most other SDL functions. (https://wiki.libsdl.org/SDL_Init)

func InitSubSystem 

func InitSubSystem(flags uint32) error

InitSubSystem initializes specific SDL subsystems. (https://wiki.libsdl.org/SDL_InitSubSystem)

func IsGameController 

func IsGameController(index int) bool

IsGameController reports whether the given joystick is supported by the game controller interface. (https://wiki.libsdl.org/SDL_IsGameController)

func IsScreenKeyboardShown 

func IsScreenKeyboardShown(window *Window) bool

IsScreenKeyboardShown reports whether the screen keyboard is shown for given window. (https://wiki.libsdl.org/SDL_IsScreenKeyboardShown)

func IsScreenSaverEnabled 

func IsScreenSaverEnabled() bool

IsScreenSaverEnabled reports whether the screensaver is currently enabled. (https://wiki.libsdl.org/SDL_IsScreenSaverEnabled)

func IsTextInputActive 

func IsTextInputActive() bool

IsTextInputActive checks whether or not Unicode text input events are enabled. (https://wiki.libsdl.org/SDL_IsTextInputActive)

func JoystickEventState 

func JoystickEventState(state int) int

JoystickEventState enables or disables joystick event polling. (https://wiki.libsdl.org/SDL_JoystickEventState)

func JoystickGetDeviceProduct 

func JoystickGetDeviceProduct(index int) int

JoystickGetDeviceProduct returns the USB product ID of a joystick, if available, 0 otherwise.

func JoystickGetDeviceProductVersion 

func JoystickGetDeviceProductVersion(index int) int

JoystickGetDeviceProductVersion returns the product version of a joystick, if available, 0 otherwise.

func JoystickGetDeviceVendor 

func JoystickGetDeviceVendor(index int) int

JoystickGetDeviceVendor returns the USB vendor ID of a joystick, if available, 0 otherwise.

func JoystickGetGUIDString 

func JoystickGetGUIDString(guid JoystickGUID) string

JoystickGetGUIDString returns an ASCII string representation for a given JoystickGUID. (https://wiki.libsdl.org/SDL_JoystickGetGUIDString)

func JoystickIsHaptic 

func JoystickIsHaptic(joy *Joystick) (bool, error)

JoystickIsHaptic reports whether a joystick has haptic features. (https://wiki.libsdl.org/SDL_JoystickIsHaptic)

func JoystickNameForIndex 

func JoystickNameForIndex(index int) string

JoystickNameForIndex returns the implementation dependent name of a joystick. (https://wiki.libsdl.org/SDL_JoystickNameForIndex)

func JoystickUpdate 

func JoystickUpdate()

JoystickUpdate updates the current state of the open joysticks. (https://wiki.libsdl.org/SDL_JoystickUpdate)

func LoadDollarTemplates 

func LoadDollarTemplates(t TouchID, src *RWops) int

LoadDollarTemplates loads Dollar Gesture templates from a file. (https://wiki.libsdl.org/SDL_LoadDollarTemplates)

func LoadFile 

func LoadFile(file string) (data []byte, size int)

LoadFile loads an entire file (https://wiki.libsdl.org/SDL_LoadFile)

func LockAudio 

func LockAudio()

LockAudio locks the audio device. New programs might want to use LockAudioDevice() instead. (https://wiki.libsdl.org/SDL_LockAudio)

func LockAudioDevice 

func LockAudioDevice(dev AudioDeviceID)

LockAudioDevice locks out the audio callback function for a specified device. (https://wiki.libsdl.org/SDL_LockAudioDevice)

func LockJoysticks 

func LockJoysticks()

LockJoysticks locks joysticks for multi-threaded access to the joystick API TODO: (https://wiki.libsdl.org/SDL_LockJoysticks)

func Log 

func Log(str string, args ...interface{})

Log logs a message with LOG_CATEGORY_APPLICATION and LOG_PRIORITY_INFO. (https://wiki.libsdl.org/SDL_Log)

func LogCritical 

func LogCritical(category int, str string, args ...interface{})

LogCritical logs a message with LOG_PRIORITY_CRITICAL. (https://wiki.libsdl.org/SDL_LogCritical)

func LogDebug 

func LogDebug(category int, str string, args ...interface{})

LogDebug logs a message with LOG_PRIORITY_DEBUG. (https://wiki.libsdl.org/SDL_LogDebug)

func LogError 

func LogError(category int, str string, args ...interface{})

LogError logs a message with LOG_PRIORITY_ERROR. (https://wiki.libsdl.org/SDL_LogError)

func LogInfo 

func LogInfo(category int, str string, args ...interface{})

LogInfo logs a message with LOG_PRIORITY_INFO. (https://wiki.libsdl.org/SDL_LogInfo)

func LogMessage 

func LogMessage(category int, pri LogPriority, str string, args ...interface{})

LogMessage logs a message with the specified category and priority. (https://wiki.libsdl.org/SDL_LogMessage)

func LogResetPriorities 

func LogResetPriorities()

LogResetPriorities resets all priorities to default. (https://wiki.libsdl.org/SDL_LogResetPriorities)

func LogSetAllPriority 

func LogSetAllPriority(p LogPriority)

LogSetAllPriority sets the priority of all log categories. (https://wiki.libsdl.org/SDL_LogSetAllPriority)

func LogSetOutputFunction 

func LogSetOutputFunction(f LogOutputFunction, data interface{})

LogSetOutputFunction replaces the default log output function with one of your own. (https://wiki.libsdl.org/SDL_LogSetOutputFunction)

func LogSetPriority 

func LogSetPriority(category int, p LogPriority)

LogSetPriority sets the priority of a particular log category. (https://wiki.libsdl.org/SDL_LogSetPriority)

func LogVerbose 

func LogVerbose(category int, str string, args ...interface{})

LogVerbose logs a message with LOG_PRIORITY_VERBOSE. (https://wiki.libsdl.org/SDL_LogVerbose)

func LogWarn 

func LogWarn(category int, str string, args ...interface{})

LogWarn logs a message with LOG_PRIORITY_WARN. (https://wiki.libsdl.org/SDL_LogWarn)

func Main 

func Main(main func())

Main entry point. Run this function at the beginning of main(), and pass your own main body to it as a function. E.g.: 

func main() {
	sdl.Main(func() {
		// Your code here....
		// [....]

		// Calls to SDL can be made by any goroutine, but always guarded by sdl.Do()
		sdl.Do(func() {
			sdl.Init(0)
		})
	})
}

Avoid calling functions like os.Exit(..) within your passed-in function since they don't respect deferred calls. Instead, do this: 

func main() {
	var exitcode int
	sdl.Main(func() {
		exitcode = run()) // assuming run has signature func() int
	})
	os.Exit(exitcode)
}

func MapRGB 

func MapRGB(format *PixelFormat, r, g, b uint8) uint32

MapRGB maps an RGB triple to an opaque pixel value for a given pixel format. (https://wiki.libsdl.org/SDL_MapRGB)

func MapRGBA 

func MapRGBA(format *PixelFormat, r, g, b, a uint8) uint32

MapRGBA maps an RGBA quadruple to a pixel value for a given pixel format. (https://wiki.libsdl.org/SDL_MapRGBA)

func MasksToPixelFormatEnum 

func MasksToPixelFormatEnum(bpp int, rmask, gmask, bmask, amask uint32) uint

MasksToPixelFormatEnum converts a bpp value and RGBA masks to an enumerated pixel format. (https://wiki.libsdl.org/SDL_MasksToPixelFormatEnum)

func MixAudio 

func MixAudio(dst, src *uint8, len uint32, volume int)

MixAudio mixes audio data. New programs might want to use MixAudioFormat() instead. (https://wiki.libsdl.org/SDL_MixAudio)

func MixAudioFormat 

func MixAudioFormat(dst, src *uint8, format AudioFormat, len uint32, volume int)

MixAudioFormat mixes audio data in a specified format. (https://wiki.libsdl.org/SDL_MixAudioFormat)

func MouseIsHaptic 

func MouseIsHaptic() (bool, error)

MouseIsHaptic reports whether or not the current mouse has haptic capabilities. (https://wiki.libsdl.org/SDL_MouseIsHaptic)

func NumHaptics 

func NumHaptics() (int, error)

NumHaptics returns the number of haptic devices attached to the system. (https://wiki.libsdl.org/SDL_NumHaptics)

func NumJoysticks 

func NumJoysticks() int

NumJoysticks returns the number of joysticks attached to the system. (https://wiki.libsdl.org/SDL_NumJoysticks)

func NumSensors 

func NumSensors() int

NumSensors counts the number of sensors attached to the system right now (https://wiki.libsdl.org/SDL_NumSensors)

func OpenAudio 

func OpenAudio(desired, obtained *AudioSpec) error

OpenAudio opens the audio device. New programs might want to use OpenAudioDevice() instead. (https://wiki.libsdl.org/SDL_OpenAudio)

func OutOfMemory 

func OutOfMemory()

OutOfMemory sets SDL error message to ENOMEM (out of memory).

func PauseAudio 

func PauseAudio(pauseOn bool)

PauseAudio pauses and unpauses the audio device. New programs might want to use SDL_PauseAudioDevice() instead. (https://wiki.libsdl.org/SDL_PauseAudio)

func PauseAudioDevice 

func PauseAudioDevice(dev AudioDeviceID, pauseOn bool)

PauseAudioDevice pauses and unpauses audio playback on a specified device. (https://wiki.libsdl.org/SDL_PauseAudioDevice)

func PeepEvents 

func PeepEvents(events []Event, action EventAction, minType, maxType uint32) (storedEvents int, err error)

PeepEvents checks the event queue for messages and optionally return them. (https://wiki.libsdl.org/SDL_PeepEvents)

func PixelFormatEnumToMasks 

func PixelFormatEnumToMasks(format uint) (bpp int, rmask, gmask, bmask, amask uint32, err error)

PixelFormatEnumToMasks converts one of the enumerated pixel formats to a bpp value and RGBA masks. (https://wiki.libsdl.org/SDL_PixelFormatEnumToMasks)

func PumpEvents 

func PumpEvents()

PumpEvents pumps the event loop, gathering events from the input devices. (https://wiki.libsdl.org/SDL_PumpEvents)

func PushEvent 

func PushEvent(event Event) (filtered bool, err error)

PushEvent adds an event to the event queue. (https://wiki.libsdl.org/SDL_PushEvent)

func QueueAudio 

func QueueAudio(dev AudioDeviceID, data []byte) error

QueueAudio queues more audio on non-callback devices. (https://wiki.libsdl.org/SDL_QueueAudio)

func Quit 

func Quit()

Quit cleans up all initialized subsystems. You should call it upon all exit conditions. (https://wiki.libsdl.org/SDL_Quit)

func QuitSubSystem 

func QuitSubSystem(flags uint32)

QuitSubSystem shuts down specific SDL subsystems. (https://wiki.libsdl.org/SDL_QuitSubSystem)

func RecordGesture 

func RecordGesture(t TouchID) int

RecordGesture begins recording a gesture on a specified touch device or all touch devices. (https://wiki.libsdl.org/SDL_RecordGesture)

func RegisterEvents 

func RegisterEvents(numEvents int) uint32

RegisterEvents allocates a set of user-defined events, and return the beginning event number for that set of events. (https://wiki.libsdl.org/SDL_RegisterEvents)

func SaveAllDollarTemplates 

func SaveAllDollarTemplates(src *RWops) int

SaveAllDollarTemplates saves all currently loaded Dollar Gesture templates. (https://wiki.libsdl.org/SDL_SaveAllDollarTemplates)

func SaveDollarTemplate 

func SaveDollarTemplate(g GestureID, src *RWops) int

SaveDollarTemplate saves a currently loaded Dollar Gesture template. (https://wiki.libsdl.org/SDL_SaveDollarTemplate)

func SensorGetDeviceName 

func SensorGetDeviceName(deviceIndex int) (name string)

SensorGetDeviceName gets the implementation dependent name of a sensor.

This can be called before any sensors are opened.

Returns the sensor name, or empty string if deviceIndex is out of range. (https://wiki.libsdl.org/SDL_SensorGetDeviceName)

func SensorGetDeviceNonPortableType 

func SensorGetDeviceNonPortableType(deviceIndex int) (typ int)

SensorGetDeviceNonPortableType gets the platform dependent type of a sensor.

This can be called before any sensors are opened.

Returns the sensor platform dependent type, or -1 if deviceIndex is out of range. (https://wiki.libsdl.org/SDL_SensorGetDeviceNonPortableType)

func SensorUpdate 

func SensorUpdate()

SensorUpdate updates the current state of the open sensors.

This is called automatically by the event loop if sensor events are enabled.

This needs to be called from the thread that initialized the sensor subsystem. (https://wiki.libsdl.org/SDL_SensorUpdate)

func SetClipboardText 

func SetClipboardText(text string) error

SetClipboardText puts UTF-8 text into the clipboard. (https://wiki.libsdl.org/SDL_SetClipboardText)

func SetCursor 

func SetCursor(cursor *Cursor)

SetCursor sets the active cursor. (https://wiki.libsdl.org/SDL_SetCursor)

func SetError 

func SetError(err error)

SetError set the SDL error message. (https://wiki.libsdl.org/SDL_SetError)

func SetEventFilter 

func SetEventFilter(filter EventFilter, userdata interface{})

SetEventFilter sets up a filter to process all events before they change internal state and are posted to the internal event queue. (https://wiki.libsdl.org/SDL_SetEventFilter)

func SetEventFilterFunc 

func SetEventFilterFunc(filterFunc eventFilterFunc, userdata interface{})

SetEventFilterFunc sets up a function to process all events before they change internal state and are posted to the internal event queue. (https://wiki.libsdl.org/SDL_SetEventFilter)

func SetHint 

func SetHint(name, value string) bool

SetHint sets a hint with normal priority. (https://wiki.libsdl.org/SDL_SetHint)

func SetHintWithPriority 

func SetHintWithPriority(name, value string, hp HintPriority) bool

SetHintWithPriority sets a hint with a specific priority. (https://wiki.libsdl.org/SDL_SetHintWithPriority)

func SetModState 

func SetModState(mod Keymod)

SetModState sets the current key modifier state for the keyboard. (https://wiki.libsdl.org/SDL_SetModState)

func SetRelativeMouseMode 

func SetRelativeMouseMode(enabled bool) int

SetRelativeMouseMode sets relative mouse mode. (https://wiki.libsdl.org/SDL_SetRelativeMouseMode)

func SetTextInputRect 

func SetTextInputRect(rect *Rect)

SetTextInputRect sets the rectangle used to type Unicode text inputs. (https://wiki.libsdl.org/SDL_SetTextInputRect)

func SetYUVConversionMode 

func SetYUVConversionMode(mode YUV_CONVERSION_MODE)

SetYUVConversionMode sets the YUV conversion mode TODO: (https://wiki.libsdl.org/SDL_SetYUVConversionMode)

func ShowCursor 

func ShowCursor(toggle int) (int, error)

ShowCursor toggles whether or not the cursor is shown. (https://wiki.libsdl.org/SDL_ShowCursor)

func ShowMessageBox 

func ShowMessageBox(data *MessageBoxData) (buttonid int32, err error)

ShowMessageBox creates a modal message box. (https://wiki.libsdl.org/SDL_ShowMessageBox)

func ShowSimpleMessageBox 

func ShowSimpleMessageBox(flags uint32, title, message string, window *Window) error

ShowSimpleMessageBox displays a simple modal message box. (https://wiki.libsdl.org/SDL_ShowSimpleMessageBox)

func StartTextInput 

func StartTextInput()

StartTextInput starts accepting Unicode text input events. (https://wiki.libsdl.org/SDL_StartTextInput)

func StopTextInput 

func StopTextInput()

StopTextInput stops receiving any text input events. (https://wiki.libsdl.org/SDL_StopTextInput)

func UnlockAudio 

func UnlockAudio()

UnlockAudio unlocks the audio device. New programs might want to use UnlockAudioDevice() instead. (https://wiki.libsdl.org/SDL_UnlockAudio)

func UnlockAudioDevice 

func UnlockAudioDevice(dev AudioDeviceID)

UnlockAudioDevice unlocks the audio callback function for a specified device. (https://wiki.libsdl.org/SDL_UnlockAudioDevice)

func UnlockJoysticks 

func UnlockJoysticks()

UnlockJoysticks unlocks joysticks for multi-threaded access to the joystick API TODO: (https://wiki.libsdl.org/SDL_UnlockJoysticks)

func Unsupported 

func Unsupported()

Unsupported sets SDL error message to UNSUPPORTED (that operation is not supported).

func VERSION 

func VERSION(v *Version)

VERSION fills the selected struct with the version of SDL in use. (https://wiki.libsdl.org/SDL_VERSION)

func VERSIONNUM 

func VERSIONNUM(x, y, z int) int

VERSIONNUM converts separate version components into a single numeric value. (https://wiki.libsdl.org/SDL_VERSIONNUM)

func VERSION_ATLEAST 

func VERSION_ATLEAST(x, y, z int) bool

VERSION_ATLEAST reports whether the SDL version compiled against is at least as new as the specified version. (https://wiki.libsdl.org/SDL_VERSION_ATLEAST)

func VideoInit 

func VideoInit(driverName string) error

VideoInit initializes the video subsystem, optionally specifying a video driver. (https://wiki.libsdl.org/SDL_VideoInit)

func VideoQuit 

func VideoQuit()

VideoQuit shuts down the video subsystem, if initialized with VideoInit(). (https://wiki.libsdl.org/SDL_VideoQuit)

func VulkanGetVkGetInstanceProcAddr 

func VulkanGetVkGetInstanceProcAddr() unsafe.Pointer

VulkanGetVkGetInstanceProcAddr gets the address of the vkGetInstanceProcAddr function. (https://wiki.libsdl.org/SDL_Vulkan_GetVkInstanceProcAddr)

func VulkanLoadLibrary 

func VulkanLoadLibrary(path string) error

VulkanLoadLibrary dynamically loads a Vulkan loader library. (https://wiki.libsdl.org/SDL_Vulkan_LoadLibrary)

func VulkanUnloadLibrary 

func VulkanUnloadLibrary()

VulkanUnloadLibrary unloads the Vulkan loader library previously loaded by VulkanLoadLibrary(). (https://wiki.libsdl.org/SDL_Vulkan_UnloadLibrary)

func WarpMouseGlobal 

func WarpMouseGlobal(x, y int32) error

WarpMouseGlobal moves the mouse to the given position in global screen space. (https://wiki.libsdl.org/SDL_WarpMouseGlobal)

func WasInit 

func WasInit(flags uint32) uint32

WasInit returns a mask of the specified subsystems which have previously been initialized. (https://wiki.libsdl.org/SDL_WasInit)

Types

type AudioCVT 

type AudioCVT struct {
	Needed    int32          // set to 1 if conversion possible
	SrcFormat AudioFormat    // source audio format
	DstFormat AudioFormat    // target audio format
	RateIncr  float64        // rate conversion increment
	Buf       unsafe.Pointer // the buffer to hold entire audio data. Use AudioCVT.BufAsSlice() for access via a Go slice
	Len       int32          // length of original audio buffer
	LenCVT    int32          // length of converted audio buffer
	LenMult   int32          // buf must be len*len_mult big
	LenRatio  float64        // given len, final size is len*len_ratio
	// contains filtered or unexported fields
}

AudioCVT contains audio data conversion information. (https://wiki.libsdl.org/SDL_AudioCVT)

func (*AudioCVT) AllocBuf 

func (cvt *AudioCVT) AllocBuf(size uintptr)

AllocBuf allocates the requested memory for AudioCVT buffer.

func (AudioCVT) BufAsSlice 

func (cvt AudioCVT) BufAsSlice() []byte

BufAsSlice returns AudioCVT.buf as byte slice. NOTE: Must be used after ConvertAudio() because it uses LenCVT as slice length.

func (*AudioCVT) FreeBuf 

func (cvt *AudioCVT) FreeBuf()

FreeBuf deallocates the memory previously allocated from AudioCVT buffer.

type AudioCallback 

type AudioCallback C.SDL_AudioCallback

AudioCallback is a function to call when the audio device needs more data.` (https://wiki.libsdl.org/SDL_AudioSpec)

type AudioDeviceEvent 

type AudioDeviceEvent struct {
	Type      uint32 // AUDIODEVICEADDED, AUDIODEVICEREMOVED
	Timestamp uint32 // the timestamp of the event
	Which     uint32 // the audio device index for the AUDIODEVICEADDED event (valid until next GetNumAudioDevices() call), AudioDeviceID for the AUDIODEVICEREMOVED event
	IsCapture uint8  // zero if an audio output device, non-zero if an audio capture device
	// contains filtered or unexported fields
}

AudioDeviceEvent contains audio device event information. (https://wiki.libsdl.org/SDL_AudioDeviceEvent)

func (*AudioDeviceEvent) GetTimestamp 

func (e *AudioDeviceEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*AudioDeviceEvent) GetType 

func (e *AudioDeviceEvent) GetType() uint32

GetType returns the event type.

type AudioDeviceID 

type AudioDeviceID uint32

AudioDeviceID is ID of an audio device previously opened with OpenAudioDevice(). (https://wiki.libsdl.org/SDL_OpenAudioDevice)

func OpenAudioDevice 

func OpenAudioDevice(device string, isCapture bool, desired, obtained *AudioSpec, allowedChanges int) (AudioDeviceID, error)

OpenAudioDevice opens a specific audio device. (https://wiki.libsdl.org/SDL_OpenAudioDevice)

type AudioFilter 

type AudioFilter C.SDL_AudioFilter

AudioFilter is the filter list used in AudioCVT() (internal use) (https://wiki.libsdl.org/SDL_AudioCVT)

type AudioFormat 

type AudioFormat uint16

AudioFormat is an enumeration of audio formats. (https://wiki.libsdl.org/SDL_AudioFormat)

func (AudioFormat) BitSize 

func (fmt AudioFormat) BitSize() uint8

BitSize returns audio formats bit size. (https://wiki.libsdl.org/SDL_AudioFormat)

func (AudioFormat) IsBigEndian 

func (fmt AudioFormat) IsBigEndian() bool

IsBigEndian reports whether audio format is big-endian. (https://wiki.libsdl.org/SDL_AudioFormat)

func (AudioFormat) IsFloat 

func (fmt AudioFormat) IsFloat() bool

IsFloat reports whether audio format is float. (https://wiki.libsdl.org/SDL_AudioFormat)

func (AudioFormat) IsInt 

func (fmt AudioFormat) IsInt() bool

IsInt reports whether audio format is integer. (https://wiki.libsdl.org/SDL_AudioFormat)

func (AudioFormat) IsLittleEndian 

func (fmt AudioFormat) IsLittleEndian() bool

IsLittleEndian reports whether audio format is little-endian. (https://wiki.libsdl.org/SDL_AudioFormat)

func (AudioFormat) IsSigned 

func (fmt AudioFormat) IsSigned() bool

IsSigned reports whether audio format is signed. (https://wiki.libsdl.org/SDL_AudioFormat)

func (AudioFormat) IsUnsigned 

func (fmt AudioFormat) IsUnsigned() bool

IsUnsigned reports whether audio format is unsigned. (https://wiki.libsdl.org/SDL_AudioFormat)

type AudioSpec 

type AudioSpec struct {
	Freq     int32       // DSP frequency (samples per second)
	Format   AudioFormat // audio data format
	Channels uint8       // number of separate sound channels
	Silence  uint8       // audio buffer silence value (calculated)
	Samples  uint16      // audio buffer size in samples (power of 2)

	Size     uint32         // audio buffer size in bytes (calculated)
	Callback AudioCallback  // the function to call when the audio device needs more data
	UserData unsafe.Pointer // a pointer that is passed to callback (otherwise ignored by SDL)
	// contains filtered or unexported fields
}

AudioSpec contains the audio output format. It also contains a callback that is called when the audio device needs more data. (https://wiki.libsdl.org/SDL_AudioSpec)

func LoadWAV 

func LoadWAV(file string) ([]byte, *AudioSpec)

LoadWAV loads a WAVE from a file. (https://wiki.libsdl.org/SDL_LoadWAV)

func LoadWAVRW 

func LoadWAVRW(src *RWops, freeSrc bool) ([]byte, *AudioSpec)

LoadWAVRW loads a WAVE from the data source, automatically freeing that source if freeSrc is true. (https://wiki.libsdl.org/SDL_LoadWAV_RW)

type AudioStatus 

type AudioStatus uint32

AudioStatus is an enumeration of audio device states. (https://wiki.libsdl.org/SDL_AudioStatus)

func GetAudioDeviceStatus 

func GetAudioDeviceStatus(dev AudioDeviceID) AudioStatus

GetAudioDeviceStatus returns the current audio state of an audio device. (https://wiki.libsdl.org/SDL_GetAudioDeviceStatus)

func GetAudioStatus 

func GetAudioStatus() AudioStatus

GetAudioStatus returns the current audio state of the audio device. New programs might want to use GetAudioDeviceStatus() instead. (https://wiki.libsdl.org/SDL_GetAudioStatus)

type AudioStream 

type AudioStream C.SDL_AudioStream

AudioStream is a new audio conversion interface. (https://wiki.libsdl.org/SDL_AudioStream)

func NewAudioStream 

func NewAudioStream(srcFormat AudioFormat, srcChannels uint8, srcRate int, dstFormat AudioFormat, dstChannels uint8, dstRate int) (stream *AudioStream, err error)

NewAudioStream creates a new audio stream TODO: (https://wiki.libsdl.org/SDL_NewAudioStream)

func (*AudioStream) Available 

func (stream *AudioStream) Available() (err error)

Available gets the number of converted/resampled bytes available TODO: (https://wiki.libsdl.org/SDL_AudioStreamAvailable)

func (*AudioStream) Clear 

func (stream *AudioStream) Clear()

Clear clears any pending data in the stream without converting it TODO: (https://wiki.libsdl.org/SDL_AudioStreamClear)

func (*AudioStream) Flush 

func (stream *AudioStream) Flush() (err error)

Flush tells the stream that you're done sending data, and anything being buffered should be converted/resampled and made available immediately. TODO: (https://wiki.libsdl.org/SDL_AudioStreamFlush)

func (*AudioStream) Free 

func (stream *AudioStream) Free()

Free frees the audio stream TODO: (https://wiki.libsdl.org/SDL_AudoiStreamFree)

func (*AudioStream) Get 

func (stream *AudioStream) Get(buf []byte) (err error)

Get gets converted/resampled data from the stream TODO: (https://wiki.libsdl.org/SDL_AudioStreamGet)

func (*AudioStream) Put 

func (stream *AudioStream) Put(buf []byte) (err error)

Put adds data to be converted/resampled to the stream TODO: (https://wiki.libsdl.org/SDL_AudioStreamPut)

type BlendFactor 

type BlendFactor C.SDL_BlendFactor

BlendFactor is an enumeration of blend factors used when creating a custom blend mode with ComposeCustomBlendMode(). (https://wiki.libsdl.org/SDL_BlendFactor)

type BlendMode 

type BlendMode uint32

BlendMode is an enumeration of blend modes used in Render.Copy() and drawing operations. (https://wiki.libsdl.org/SDL_BlendMode)

func ComposeCustomBlendMode 

func ComposeCustomBlendMode(srcColorFactor, dstColorFactor BlendFactor, colorOperation BlendOperation, srcAlphaFactor, dstAlphaFactor BlendFactor, alphaOperation BlendOperation) BlendMode

ComposeCustomBlendMode creates a custom blend mode, which may or may not be supported by a given renderer The result of the blend mode operation will be: 

dstRGB = dstRGB * dstColorFactor colorOperation srcRGB * srcColorFactor

and 

dstA = dstA * dstAlphaFactor alphaOperation srcA * srcAlphaFactor

(https://wiki.libsdl.org/SDL_ComposeCustomBlendMode)

type BlendOperation 

type BlendOperation C.SDL_BlendOperation

BlendOperation is an enumeration of blend operations used when creating a custom blend mode with ComposeCustomBlendMode(). (https://wiki.libsdl.org/SDL_BlendOperation)

type CEvent 

type CEvent struct {
	Type uint32
	// contains filtered or unexported fields
}

CEvent is a union of all event structures used in SDL. (https://wiki.libsdl.org/SDL_Event)

type ClipboardEvent 

type ClipboardEvent struct {
	Type      uint32 // CLIPBOARDUPDATE
	Timestamp uint32 // timestamp of the event
}

ClipboardEvent contains clipboard event information. (https://wiki.libsdl.org/SDL_EventType)

func (*ClipboardEvent) GetTimestamp 

func (e *ClipboardEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*ClipboardEvent) GetType 

func (e *ClipboardEvent) GetType() uint32

GetType returns the event type.

type CocoaInfo 

type CocoaInfo struct {
	Window unsafe.Pointer // the Cocoa window
}

CocoaInfo contains Apple Mac OS X window information.

type Color 

type Color color.RGBA

Color represents a color. This implements image/color.Color interface. (https://wiki.libsdl.org/SDL_Color)

func (Color) Uint32 

func (c Color) Uint32() uint32

Uint32 return uint32 representation of RGBA color.

type CommonEvent 

type CommonEvent struct {
	Type      uint32 // the event type
	Timestamp uint32 // timestamp of the event
}

CommonEvent contains common event data. (https://wiki.libsdl.org/SDL_Event)

func (*CommonEvent) GetTimestamp 

func (e *CommonEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*CommonEvent) GetType 

func (e *CommonEvent) GetType() uint32

GetType returns the event type.

type Cond 

type Cond struct {
	Lock     *Mutex
	Waiting  int
	Signals  int
	WaitSem  *Sem
	WaitDone *Sem
}

Cond is the SDL condition variable structure.

func CreateCond 

func CreateCond() *Cond

CreateCond (https://wiki.libsdl.org/SDL_CreateCond)

func (*Cond) Broadcast 

func (cond *Cond) Broadcast() error

Broadcast restarts all threads that are waiting on the condition variable. (https://wiki.libsdl.org/SDL_CondBroadcast)

func (*Cond) Destroy 

func (cond *Cond) Destroy()

Destroy creates a condition variable. (https://wiki.libsdl.org/SDL_DestroyCond)

func (*Cond) Signal 

func (cond *Cond) Signal() error

Signal restarts one of the threads that are waiting on the condition variable. (https://wiki.libsdl.org/SDL_CondSignal)

func (*Cond) Wait 

func (cond *Cond) Wait(mutex *Mutex) error

Wait waits until a condition variable is signaled. (https://wiki.libsdl.org/SDL_CondWait)

func (*Cond) WaitTimeout 

func (cond *Cond) WaitTimeout(mutex *Mutex, ms uint32) error

WaitTimeout waits until a condition variable is signaled or a specified amount of time has passed. (https://wiki.libsdl.org/SDL_CondWaitTimeout)

type ControllerAxisEvent 

type ControllerAxisEvent struct {
	Type      uint32     // CONTROLLERAXISMOTION
	Timestamp uint32     // the timestamp of the event
	Which     JoystickID // the joystick instance id
	Axis      uint8      // the controller axis (https://wiki.libsdl.org/SDL_GameControllerAxis)

	Value int16 // the axis value (range: -32768 to 32767)
	// contains filtered or unexported fields
}

ControllerAxisEvent contains game controller axis motion event information. (https://wiki.libsdl.org/SDL_ControllerAxisEvent)

func (*ControllerAxisEvent) GetTimestamp 

func (e *ControllerAxisEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*ControllerAxisEvent) GetType 

func (e *ControllerAxisEvent) GetType() uint32

GetType returns the event type.

type ControllerButtonEvent 

type ControllerButtonEvent struct {
	Type      uint32     // CONTROLLERBUTTONDOWN, CONTROLLERBUTTONUP
	Timestamp uint32     // the timestamp of the event
	Which     JoystickID // the joystick instance id
	Button    uint8      // the controller button (https://wiki.libsdl.org/SDL_GameControllerButton)
	State     uint8      // PRESSED, RELEASED
	// contains filtered or unexported fields
}

ControllerButtonEvent contains game controller button event information. (https://wiki.libsdl.org/SDL_ControllerButtonEvent)

func (*ControllerButtonEvent) GetTimestamp 

func (e *ControllerButtonEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*ControllerButtonEvent) GetType 

func (e *ControllerButtonEvent) GetType() uint32

GetType returns the event type.

type ControllerDeviceEvent 

type ControllerDeviceEvent struct {
	Type      uint32     // CONTROLLERDEVICEADDED, CONTROLLERDEVICEREMOVED, SDL_CONTROLLERDEVICEREMAPPED
	Timestamp uint32     // the timestamp of the event
	Which     JoystickID // the joystick device index for the CONTROLLERDEVICEADDED event or instance id for the CONTROLLERDEVICEREMOVED or CONTROLLERDEVICEREMAPPED event
}

ControllerDeviceEvent contains controller device event information. (https://wiki.libsdl.org/SDL_ControllerDeviceEvent)

func (*ControllerDeviceEvent) GetTimestamp 

func (e *ControllerDeviceEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*ControllerDeviceEvent) GetType 

func (e *ControllerDeviceEvent) GetType() uint32

GetType returns the event type.

type Cursor 

type Cursor C.SDL_Cursor

Cursor is a custom cursor created by CreateCursor() or CreateColorCursor().

func CreateColorCursor 

func CreateColorCursor(surface *Surface, hotX, hotY int32) *Cursor

CreateColorCursor creates a color cursor. (https://wiki.libsdl.org/SDL_CreateColorCursor)

func CreateCursor 

func CreateCursor(data, mask *uint8, w, h, hotX, hotY int32) *Cursor

CreateCursor creates a cursor using the specified bitmap data and mask (in MSB format). (https://wiki.libsdl.org/SDL_CreateCursor)

func CreateSystemCursor 

func CreateSystemCursor(id SystemCursor) *Cursor

CreateSystemCursor creates a system cursor. (https://wiki.libsdl.org/SDL_CreateSystemCursor)

func GetCursor 

func GetCursor() *Cursor

GetCursor returns the active cursor. (https://wiki.libsdl.org/SDL_GetCursor)

func GetDefaultCursor 

func GetDefaultCursor() *Cursor

GetDefaultCursor returns the default cursor. (https://wiki.libsdl.org/SDL_GetDefaultCursor)

type DFBInfo 

type DFBInfo struct {
	Dfb     unsafe.Pointer // the DirectFB main interface
	Window  unsafe.Pointer // the DirectFB window handle
	Surface unsafe.Pointer // the DirectFB client surface
}

DFBInfo contains DirectFB window information.

type DisplayMode 

type DisplayMode struct {
	Format      uint32         // one of the PixelFormatEnum values (https://wiki.libsdl.org/SDL_PixelFormatEnum)
	W           int32          // width, in screen coordinates
	H           int32          // height, in screen coordinates
	RefreshRate int32          // refresh rate (in Hz), or 0 for unspecified
	DriverData  unsafe.Pointer // driver-specific data, initialize to 0
}

DisplayMode contains the description of a display mode. (https://wiki.libsdl.org/SDL_DisplayMode)

func GetClosestDisplayMode 

func GetClosestDisplayMode(displayIndex int, mode *DisplayMode, closest *DisplayMode) (*DisplayMode, error)

GetClosestDisplayMode returns the closest match to the requested display mode. (https://wiki.libsdl.org/SDL_GetClosestDisplayMode)

func GetCurrentDisplayMode 

func GetCurrentDisplayMode(displayIndex int) (mode DisplayMode, err error)

GetCurrentDisplayMode returns information about the current display mode. (https://wiki.libsdl.org/SDL_GetCurrentDisplayMode)

func GetDesktopDisplayMode 

func GetDesktopDisplayMode(displayIndex int) (mode DisplayMode, err error)

GetDesktopDisplayMode returns information about the desktop display mode. (https://wiki.libsdl.org/SDL_GetDesktopDisplayMode)

func GetDisplayMode 

func GetDisplayMode(displayIndex int, modeIndex int) (mode DisplayMode, err error)

GetDisplayMode retruns information about a specific display mode. (https://wiki.libsdl.org/SDL_GetDisplayMode)

type DollarGestureEvent 

type DollarGestureEvent struct {
	Type       uint32    // DOLLARGESTURE, DOLLARRECORD
	Timestamp  uint32    // timestamp of the event
	TouchID    TouchID   // the touch device id
	GestureID  GestureID // the unique id of the closest gesture to the performed stroke
	NumFingers uint32    // the number of fingers used to draw the stroke
	Error      float32   // the difference between the gesture template and the actual performed gesture (lower error is a better match)
	X          float32   // the normalized center of gesture
	Y          float32   // the normalized center of gesture
}

DollarGestureEvent contains complex gesture event information. (https://wiki.libsdl.org/SDL_DollarGestureEvent)

func (*DollarGestureEvent) GetTimestamp 

func (e *DollarGestureEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*DollarGestureEvent) GetType 

func (e *DollarGestureEvent) GetType() uint32

GetType returns the event type.

type DropEvent 

type DropEvent struct {
	Type      uint32 // DROPFILE, DROPTEXT, DROPBEGIN, DROPCOMPLETE
	Timestamp uint32 // timestamp of the event
	File      string // the file name
	WindowID  uint32 // the window that was dropped on, if any
}

DropEvent contains an event used to request a file open by the system. (https://wiki.libsdl.org/SDL_DropEvent)

func (*DropEvent) GetTimestamp 

func (e *DropEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*DropEvent) GetType 

func (e *DropEvent) GetType() uint32

GetType returns the event type.

type ErrorCode 

type ErrorCode uint32

ErrorCode is an error code used in SDL error messages.

type Event 

type Event interface {
	GetType() uint32      // GetType returns the event type
	GetTimestamp() uint32 // GetTimestamp returns the timestamp of the event
}

Event is a union of all event structures used in SDL. (https://wiki.libsdl.org/SDL_Event)

func PollEvent 

func PollEvent() Event

PollEvent polls for currently pending events. (https://wiki.libsdl.org/SDL_PollEvent)

func WaitEvent 

func WaitEvent() Event

WaitEvent waits indefinitely for the next available event. (https://wiki.libsdl.org/SDL_WaitEvent)

func WaitEventTimeout 

func WaitEventTimeout(timeout int) Event

WaitEventTimeout waits until the specified timeout (in milliseconds) for the next available event. (https://wiki.libsdl.org/SDL_WaitEventTimeout)

type EventAction 

type EventAction C.SDL_eventaction

EventAction is the action to take in PeepEvents() function. (https://wiki.libsdl.org/SDL_PeepEvents)

type EventFilter 

type EventFilter interface {
	FilterEvent(e Event, userdata interface{}) bool
}

EventFilter is the function to call when an event happens. (https://wiki.libsdl.org/SDL_SetEventFilter)

func GetEventFilter 

func GetEventFilter() EventFilter

GetEventFilter queries the current event filter. (https://wiki.libsdl.org/SDL_GetEventFilter)

type EventWatchHandle 

type EventWatchHandle uintptr

EventWatchHandle is an event watch callback added with AddEventWatch().

func AddEventWatch 

func AddEventWatch(filter EventFilter, userdata interface{}) EventWatchHandle

AddEventWatch adds a callback to be triggered when an event is added to the event queue. (https://wiki.libsdl.org/SDL_AddEventWatch)

func AddEventWatchFunc 

func AddEventWatchFunc(filterFunc eventFilterFunc, userdata interface{}) EventWatchHandle

AddEventWatchFunc adds a callback function to be triggered when an event is added to the event queue. (https://wiki.libsdl.org/SDL_AddEventWatch)

type Finger 

type Finger struct {
	ID       FingerID // the finger id
	X        float32  // the x-axis location of the touch event, normalized (0...1)
	Y        float32  // the y-axis location of the touch event, normalized (0...1)
	Pressure float32  // the quantity of pressure applied, normalized (0...1)
}

Finger contains touch information.

func GetTouchFinger 

func GetTouchFinger(t TouchID, index int) *Finger

GetTouchFinger returns the finger object for specified touch device ID and finger index. (https://wiki.libsdl.org/SDL_GetTouchFinger)

type FingerID 

type FingerID C.SDL_FingerID

FingerID is a finger id.

type GLContext 

type GLContext C.SDL_GLContext

GLContext is an opaque handle to an OpenGL context.

type GLattr 

type GLattr C.SDL_GLattr

GLattr is an OpenGL configuration attribute. (https://wiki.libsdl.org/SDL_GLattr)

type GameController 

type GameController C.SDL_GameController

GameController used to identify an SDL game controller.

func GameControllerFromInstanceID 

func GameControllerFromInstanceID(joyid JoystickID) *GameController

GameControllerFromInstanceID returns the GameController associated with an instance id. (https://wiki.libsdl.org/SDL_GameControllerFromInstanceID)

func GameControllerOpen 

func GameControllerOpen(index int) *GameController

GameControllerOpen opens a gamecontroller for use. (https://wiki.libsdl.org/SDL_GameControllerOpen)

func (*GameController) Attached 

func (ctrl *GameController) Attached() bool

Attached reports whether a controller has been opened and is currently connected. (https://wiki.libsdl.org/SDL_GameControllerGetAttached)

func (*GameController) Axis 

func (ctrl *GameController) Axis(axis GameControllerAxis) int16

Axis returns the current state of an axis control on a game controller. (https://wiki.libsdl.org/SDL_GameControllerGetAxis)

func (*GameController) BindForAxis 

func (ctrl *GameController) BindForAxis(axis GameControllerAxis) GameControllerButtonBind

BindForAxis returns the SDL joystick layer binding for a controller button mapping. (https://wiki.libsdl.org/SDL_GameControllerGetBindForAxis)

func (*GameController) BindForButton 

func (ctrl *GameController) BindForButton(btn GameControllerButton) GameControllerButtonBind

BindForButton returns the SDL joystick layer binding for this controller button mapping. (https://wiki.libsdl.org/SDL_GameControllerGetBindForButton)

func (*GameController) Button 

func (ctrl *GameController) Button(btn GameControllerButton) byte

Button returns the current state of a button on a game controller. (https://wiki.libsdl.org/SDL_GameControllerGetButton)

func (*GameController) Close 

func (ctrl *GameController) Close()

Close closes a game controller previously opened with GameControllerOpen(). (https://wiki.libsdl.org/SDL_GameControllerClose)

func (*GameController) Joystick 

func (ctrl *GameController) Joystick() *Joystick

Joystick returns the Joystick ID from a Game Controller. The game controller builds on the Joystick API, but to be able to use the Joystick's functions with a gamepad, you need to use this first to get the joystick object. (https://wiki.libsdl.org/SDL_GameControllerGetJoystick)

func (*GameController) Mapping 

func (ctrl *GameController) Mapping() string

Mapping returns the current mapping of a Game Controller. (https://wiki.libsdl.org/SDL_GameControllerMapping)

func (*GameController) Name 

func (ctrl *GameController) Name() string

Name returns the implementation dependent name for an opened game controller. (https://wiki.libsdl.org/SDL_GameControllerName)

func (*GameController) Product 

func (ctrl *GameController) Product() int

Product returns the USB product ID of an opened controller, if available, 0 otherwise.

func (*GameController) ProductVersion 

func (ctrl *GameController) ProductVersion() int

ProductVersion returns the product version of an opened controller, if available, 0 otherwise.

func (*GameController) Vendor 

func (ctrl *GameController) Vendor() int

Vendor returns the USB vendor ID of an opened controller, if available, 0 otherwise.

type GameControllerAxis 

type GameControllerAxis C.SDL_GameControllerAxis

GameControllerAxis is an axis on a game controller. (https://wiki.libsdl.org/SDL_GameControllerAxis)

func GameControllerGetAxisFromString 

func GameControllerGetAxisFromString(pchString string) GameControllerAxis

GameControllerGetAxisFromString converts a string into an enum representation for a GameControllerAxis. (https://wiki.libsdl.org/SDL_GameControllerGetAxisFromString)

type GameControllerBindType 

type GameControllerBindType C.SDL_GameControllerBindType

GameControllerBindType is a type of game controller input.

type GameControllerButton 

type GameControllerButton C.SDL_GameControllerButton

GameControllerButton is a button on a game controller. (https://wiki.libsdl.org/SDL_GameControllerButton)

func GameControllerGetButtonFromString 

func GameControllerGetButtonFromString(pchString string) GameControllerButton

GameControllerGetButtonFromString turns a string into a button mapping. (https://wiki.libsdl.org/SDL_GameControllerGetButtonFromString)

type GameControllerButtonBind 

type GameControllerButtonBind C.SDL_GameControllerButtonBind

GameControllerButtonBind SDL joystick layer binding for controller button/axis mapping.

func (*GameControllerButtonBind) Axis 

func (bind *GameControllerButtonBind) Axis() int

Axis returns axis mapped for this SDL joystick layer binding.

func (*GameControllerButtonBind) Button 

func (bind *GameControllerButtonBind) Button() int

Button returns button mapped for this SDL joystick layer binding.

func (*GameControllerButtonBind) Hat 

func (bind *GameControllerButtonBind) Hat() int

Hat returns hat mapped for this SDL joystick layer binding.

func (*GameControllerButtonBind) HatMask 

func (bind *GameControllerButtonBind) HatMask() int

HatMask returns hat mask for this SDL joystick layer binding.

func (*GameControllerButtonBind) Type 

func (bind *GameControllerButtonBind) Type() int

Type returns the type of game controller input for this SDL joystick layer binding.

type GestureID 

type GestureID C.SDL_GestureID

GestureID is the unique id of the closest gesture to the performed stroke.

type Haptic 

type Haptic C.SDL_Haptic

Haptic identifies an SDL haptic. (https://wiki.libsdl.org/CategoryForceFeedback)

func HapticOpen 

func HapticOpen(index int) (*Haptic, error)

HapticOpen opens a haptic device for use. (https://wiki.libsdl.org/SDL_HapticOpen)

func HapticOpenFromJoystick 

func HapticOpenFromJoystick(joy *Joystick) (*Haptic, error)

HapticOpenFromJoystick opens a haptic device for use from a joystick device. (https://wiki.libsdl.org/SDL_HapticOpenFromJoystick)

func HapticOpenFromMouse 

func HapticOpenFromMouse() (*Haptic, error)

HapticOpenFromMouse open a haptic device from the current mouse. (https://wiki.libsdl.org/SDL_HapticOpenFromMouse)

func (*Haptic) Close 

func (h *Haptic) Close()

Close closes a haptic device previously opened with HapticOpen(). (https://wiki.libsdl.org/SDL_HapticClose)

func (*Haptic) DestroyEffect 

func (h *Haptic) DestroyEffect(effect int)

DestroyEffect destroys a haptic effect on the device. (https://wiki.libsdl.org/SDL_HapticDestroyEffect)

func (*Haptic) EffectSupported 

func (h *Haptic) EffectSupported(he HapticEffect) (bool, error)

EffectSupported reports whether an effect is supported by a haptic device. Pass pointer to a Haptic struct (Constant|Periodic|Condition|Ramp|LeftRight|Custom) instead of HapticEffect union. (https://wiki.libsdl.org/SDL_HapticEffectSupported)

func (*Haptic) GetEffectStatus 

func (h *Haptic) GetEffectStatus(effect int) (int, error)

GetEffectStatus returns the status of the current effect on the specified haptic device. (https://wiki.libsdl.org/SDL_HapticGetEffectStatus)

func (*Haptic) NewEffect 

func (h *Haptic) NewEffect(he HapticEffect) (int, error)

NewEffect creates a new haptic effect on a specified device. Pass pointer to a Haptic struct (Constant|Periodic|Condition|Ramp|LeftRight|Custom) instead of HapticEffect union. (https://wiki.libsdl.org/SDL_HapticNewEffect)

func (*Haptic) NumAxes 

func (h *Haptic) NumAxes() (int, error)

NumAxes returns the number of haptic axes the device has. (https://wiki.libsdl.org/SDL_HapticNumAxes)

func (*Haptic) NumEffects 

func (h *Haptic) NumEffects() (int, error)

NumEffects returns the number of effects a haptic device can store. (https://wiki.libsdl.org/SDL_HapticNumEffects)

func (*Haptic) NumEffectsPlaying 

func (h *Haptic) NumEffectsPlaying() (int, error)

NumEffectsPlaying returns the number of effects a haptic device can play at the same time. (https://wiki.libsdl.org/SDL_HapticNumEffectsPlaying)

func (*Haptic) Pause 

func (h *Haptic) Pause() error

Pause pauses a haptic device. (https://wiki.libsdl.org/SDL_HapticPause)

func (*Haptic) Query 

func (h *Haptic) Query() (uint32, error)

Query returns haptic device's supported features in bitwise manner. (https://wiki.libsdl.org/SDL_HapticQuery)

func (*Haptic) RumbleInit 

func (h *Haptic) RumbleInit() error

RumbleInit initializes the haptic device for simple rumble playback. (https://wiki.libsdl.org/SDL_HapticRumbleInit)

func (*Haptic) RumblePlay 

func (h *Haptic) RumblePlay(strength float32, length uint32) error

RumblePlay runs a simple rumble effect on a haptic device. (https://wiki.libsdl.org/SDL_HapticRumblePlay)

func (*Haptic) RumbleStop 

func (h *Haptic) RumbleStop() error

RumbleStop stops the simple rumble on a haptic device. (https://wiki.libsdl.org/SDL_HapticRumbleStop)

func (*Haptic) RumbleSupported 

func (h *Haptic) RumbleSupported() (bool, error)

RumbleSupported reports whether rumble is supported on a haptic device. (https://wiki.libsdl.org/SDL_HapticRumbleSupported)

func (*Haptic) RunEffect 

func (h *Haptic) RunEffect(effect int, iterations uint32) error

RunEffect runs the haptic effect on its associated haptic device. (https://wiki.libsdl.org/SDL_HapticRunEffect)

func (*Haptic) SetAutocenter 

func (h *Haptic) SetAutocenter(autocenter int) error

SetAutocenter sets the global autocenter of the device. (https://wiki.libsdl.org/SDL_HapticSetAutocenter)

func (*Haptic) SetGain 

func (h *Haptic) SetGain(gain int) error

SetGain sets the global gain of the specified haptic device. (https://wiki.libsdl.org/SDL_HapticSetGain)

func (*Haptic) StopAll 

func (h *Haptic) StopAll() error

StopAll stops all the currently playing effects on a haptic device. (https://wiki.libsdl.org/SDL_HapticStopAll)

func (*Haptic) StopEffect 

func (h *Haptic) StopEffect(effect int) error

StopEffect stops the haptic effect on its associated haptic device. (https://wiki.libsdl.org/SDL_HapticStopEffect)

func (*Haptic) Unpause 

func (h *Haptic) Unpause() error

Unpause unpauses a haptic device. (https://wiki.libsdl.org/SDL_HapticUnpause)

func (*Haptic) UpdateEffect 

func (h *Haptic) UpdateEffect(effect int, data HapticEffect) error

UpdateEffect updates the properties of an effect. Pass pointer to a Haptic struct (Constant|Periodic|Condition|Ramp|LeftRight|Custom) instead of HapticEffect union. (https://wiki.libsdl.org/SDL_HapticUpdateEffect)

type HapticCondition 

type HapticCondition struct {
	Type       uint16          // HAPTIC_SPRING, HAPTIC_DAMPER, HAPTIC_INERTIA, HAPTIC_FRICTION
	Direction  HapticDirection // direction of the effect - not used at the moment
	Length     uint32          // duration of the effect
	Delay      uint16          // delay before starting the effect
	Button     uint16          // button that triggers the effect
	Interval   uint16          // how soon it can be triggered again after button
	RightSat   [3]uint16       // level when joystick is to the positive side; max 0xFFFF
	LeftSat    [3]uint16       // level when joystick is to the negative side; max 0xFFFF
	RightCoeff [3]int16        // how fast to increase the force towards the positive side
	LeftCoeff  [3]int16        // how fast to increase the force towards the negative side
	Deadband   [3]uint16       // size of the dead zone; max 0xFFFF: whole axis-range when 0-centered
	Center     [3]int16        // position of the dead zone
}

HapticCondition contains a template for a condition effect. (https://wiki.libsdl.org/SDL_HapticCondition)

type HapticConstant 

type HapticConstant struct {
	Type         uint16          // HAPTIC_CONSTANT
	Direction    HapticDirection // direction of the effect
	Length       uint32          // duration of the effect
	Delay        uint16          // delay before starting the effect
	Button       uint16          // button that triggers the effect
	Interval     uint16          // how soon it can be triggered again after button
	Level        int16           // strength of the constant effect
	AttackLength uint16          // duration of the attack
	AttackLevel  uint16          // level at the start of the attack
	FadeLength   uint16          // duration of the fade
	FadeLevel    uint16          // level at the end of the fade
}

HapticConstant contains a template for a constant effect. (https://wiki.libsdl.org/SDL_HapticConstant)

type HapticCustom 

type HapticCustom struct {
	Type         uint16          // SDL_HAPTIC_CUSTOM
	Direction    HapticDirection // direction of the effect
	Length       uint32          // duration of the effect
	Delay        uint16          // delay before starting the effect
	Button       uint16          // button that triggers the effect
	Interval     uint16          // how soon it can be triggered again after button
	Channels     uint8           // axes to use, minimum of 1
	Period       uint16          // sample periods
	Samples      uint16          // amount of samples
	Data         *uint16         // should contain channels*samples items
	AttackLength uint16          // duration of the attack
	AttackLevel  uint16          // level at the start of the attack
	FadeLength   uint16          // duration of the fade
	FadeLevel    uint16          // level at the end of the fade
}

HapticCustom contains a template for a custom effect. (https://wiki.libsdl.org/SDL_HapticCustom)

type HapticDirection 

type HapticDirection struct {
	Type byte     // the type of encoding
	Dir  [3]int32 // the encoded direction
}

HapticDirection contains a haptic direction. (https://wiki.libsdl.org/SDL_HapticDirection)

type HapticEffect 

type HapticEffect interface {
	// contains filtered or unexported methods
}

HapticEffect union that contains the generic template for any haptic effect. (https://wiki.libsdl.org/SDL_HapticEffect)

type HapticLeftRight 

type HapticLeftRight struct {
	Type           uint16 // HAPTIC_LEFTRIGHT
	Length         uint32 // duration of the effect
	LargeMagnitude uint16 // control of the large controller motor
	SmallMagnitude uint16 // control of the small controller motor
}

HapticLeftRight contains a template for a left/right effect. (https://wiki.libsdl.org/SDL_HapticLeftRight)

type HapticPeriodic 

type HapticPeriodic struct {
	Type         uint16          // HAPTIC_SINE, HAPTIC_LEFTRIGHT, HAPTIC_TRIANGLE, HAPTIC_SAWTOOTHUP, HAPTIC_SAWTOOTHDOWN
	Direction    HapticDirection // direction of the effect
	Length       uint32          // duration of the effect
	Delay        uint16          // delay before starting the effect
	Button       uint16          // button that triggers the effect
	Interval     uint16          // how soon it can be triggered again after button
	Period       uint16          // period of the wave
	Magnitude    int16           // peak value; if negative, equivalent to 180 degrees extra phase shift
	Offset       int16           // mean value of the wave
	Phase        uint16          // positive phase shift given by hundredth of a degree
	AttackLength uint16          // duration of the attack
	AttackLevel  uint16          // level at the start of the attack
	FadeLength   uint16          // duration of the fade
	FadeLevel    uint16          // level at the end of the fade
}

HapticPeriodic contains a template for a periodic effect. (https://wiki.libsdl.org/SDL_HapticPeriodic)

type HapticRamp 

type HapticRamp struct {
	Type         uint16          // HAPTIC_RAMP
	Direction    HapticDirection // direction of the effect
	Length       uint32          // duration of the effect
	Delay        uint16          // delay before starting the effect
	Button       uint16          // button that triggers the effect
	Interval     uint16          // how soon it can be triggered again after button
	Start        int16           // beginning strength level
	End          int16           // ending strength level
	AttackLength uint16          // duration of the attack
	AttackLevel  uint16          // level at the start of the attack
	FadeLength   uint16          // duration of the fade
	FadeLevel    uint16          // level at the end of the fade
}

HapticRamp contains a template for a ramp effect. (https://wiki.libsdl.org/SDL_HapticRamp)

type HintCallback 

type HintCallback func(data interface{}, name, oldValue, newValue string)

HintCallback is the function to call when the hint value changes.

type HintCallbackAndData 

type HintCallbackAndData struct {
	// contains filtered or unexported fields
}

HintCallbackAndData contains a callback function and userdata.

type HintPriority 

type HintPriority C.SDL_HintPriority

HintPriority is a hint priority used in SetHintWithPriority(). (https://wiki.libsdl.org/SDL_HintPriority)

type JoyAxisEvent 

type JoyAxisEvent struct {
	Type      uint32     // JOYAXISMOTION
	Timestamp uint32     // timestamp of the event
	Which     JoystickID // the instance id of the joystick that reported the event
	Axis      uint8      // the index of the axis that changed

	Value int16 // the current position of the axis (range: -32768 to 32767)
	// contains filtered or unexported fields
}

JoyAxisEvent contains joystick axis motion event information. (https://wiki.libsdl.org/SDL_JoyAxisEvent)

func (*JoyAxisEvent) GetTimestamp 

func (e *JoyAxisEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*JoyAxisEvent) GetType 

func (e *JoyAxisEvent) GetType() uint32

GetType returns the event type.

type JoyBallEvent 

type JoyBallEvent struct {
	Type      uint32     // JOYBALLMOTION
	Timestamp uint32     // timestamp of the event
	Which     JoystickID // the instance id of the joystick that reported the event
	Ball      uint8      // the index of the trackball that changed

	XRel int16 // the relative motion in the X direction
	YRel int16 // the relative motion in the Y direction
	// contains filtered or unexported fields
}

JoyBallEvent contains joystick trackball motion event information. (https://wiki.libsdl.org/SDL_JoyBallEvent)

func (*JoyBallEvent) GetTimestamp 

func (e *JoyBallEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*JoyBallEvent) GetType 

func (e *JoyBallEvent) GetType() uint32

GetType returns the event type.

type JoyButtonEvent 

type JoyButtonEvent struct {
	Type      uint32     // JOYBUTTONDOWN, JOYBUTTONUP
	Timestamp uint32     // timestamp of the event
	Which     JoystickID // the instance id of the joystick that reported the event
	Button    uint8      // the index of the button that changed
	State     uint8      // PRESSED, RELEASED
	// contains filtered or unexported fields
}

JoyButtonEvent contains joystick button event information. (https://wiki.libsdl.org/SDL_JoyButtonEvent)

func (*JoyButtonEvent) GetTimestamp 

func (e *JoyButtonEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*JoyButtonEvent) GetType 

func (e *JoyButtonEvent) GetType() uint32

GetType returns the event type.

type JoyDeviceAddedEvent 

type JoyDeviceAddedEvent struct {
	Type      uint32 // JOYDEVICEADDED
	Timestamp uint32 // the timestamp of the event
	Which     int    // the joystick device index
}

JoyDeviceAddedEvent contains joystick device event information. (https://wiki.libsdl.org/SDL_JoyDeviceEvent)

func (*JoyDeviceAddedEvent) GetTimestamp 

func (e *JoyDeviceAddedEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*JoyDeviceAddedEvent) GetType 

func (e *JoyDeviceAddedEvent) GetType() uint32

GetType returns the event type.

type JoyDeviceRemovedEvent 

type JoyDeviceRemovedEvent struct {
	Type      uint32     // JOYDEVICEREMOVED
	Timestamp uint32     // the timestamp of the event
	Which     JoystickID // the instance id
}

JoyDeviceRemovedEvent contains joystick device event information. (https://wiki.libsdl.org/SDL_JoyDeviceEvent)

func (*JoyDeviceRemovedEvent) GetTimestamp 

func (e *JoyDeviceRemovedEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*JoyDeviceRemovedEvent) GetType 

func (e *JoyDeviceRemovedEvent) GetType() uint32

GetType returns the event type.

type JoyHatEvent 

type JoyHatEvent struct {
	Type      uint32     // JOYHATMOTION
	Timestamp uint32     // timestamp of the event
	Which     JoystickID // the instance id of the joystick that reported the event
	Hat       uint8      // the index of the hat that changed
	Value     uint8      // HAT_LEFTUP, HAT_UP, HAT_RIGHTUP, HAT_LEFT, HAT_CENTERED, HAT_RIGHT, HAT_LEFTDOWN, HAT_DOWN, HAT_RIGHTDOWN
	// contains filtered or unexported fields
}

JoyHatEvent contains joystick hat position change event information. (https://wiki.libsdl.org/SDL_JoyHatEvent)

func (*JoyHatEvent) GetTimestamp 

func (e *JoyHatEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*JoyHatEvent) GetType 

func (e *JoyHatEvent) GetType() uint32

GetType returns the event type.

type Joystick 

type Joystick C.SDL_Joystick

Joystick is an SDL joystick.

func JoystickFromInstanceID 

func JoystickFromInstanceID(joyid JoystickID) *Joystick

JoystickFromInstanceID returns the Joystick associated with an instance id. (https://wiki.libsdl.org/SDL_JoystickFromInstanceID)

func JoystickOpen 

func JoystickOpen(index int) *Joystick

JoystickOpen opens a joystick for use. (https://wiki.libsdl.org/SDL_JoystickOpen)

func (*Joystick) Attached 

func (joy *Joystick) Attached() bool

Attached returns the status of a specified joystick. (https://wiki.libsdl.org/SDL_JoystickGetAttached)

func (*Joystick) Axis 

func (joy *Joystick) Axis(axis int) int16

Axis returns the current state of an axis control on a joystick. (https://wiki.libsdl.org/SDL_JoystickGetAxis)

func (*Joystick) AxisInitialState 

func (joy *Joystick) AxisInitialState(axis int) (state int16, ok bool)

AxisInitialState returns the initial state of an axis control on a joystick, ok is true if this axis has any initial value.

func (*Joystick) Ball 

func (joy *Joystick) Ball(ball int, dx, dy *int32) int

Ball returns the ball axis change since the last poll. (https://wiki.libsdl.org/SDL_JoystickGetBall)

func (*Joystick) Button 

func (joy *Joystick) Button(button int) byte

Button the current state of a button on a joystick. (https://wiki.libsdl.org/SDL_JoystickGetButton)

func (*Joystick) Close 

func (joy *Joystick) Close()

Close closes a joystick previously opened with JoystickOpen(). (https://wiki.libsdl.org/SDL_JoystickClose)

func (*Joystick) CurrentPowerLevel 

func (joy *Joystick) CurrentPowerLevel() JoystickPowerLevel

CurrentPowerLevel returns the battery level of a joystick as JoystickPowerLevel. (https://wiki.libsdl.org/SDL_JoystickCurrentPowerLevel)

func (*Joystick) GUID 

func (joy *Joystick) GUID() JoystickGUID

GUID returns the implementation-dependent GUID for the joystick. (https://wiki.libsdl.org/SDL_JoystickGetGUID)

func (*Joystick) Hat 

func (joy *Joystick) Hat(hat int) byte

Hat returns the current state of a POV hat on a joystick. (https://wiki.libsdl.org/SDL_JoystickGetHat)

func (*Joystick) InstanceID 

func (joy *Joystick) InstanceID() JoystickID

InstanceID returns the instance ID of an opened joystick. (https://wiki.libsdl.org/SDL_JoystickInstanceID)

func (*Joystick) Name 

func (joy *Joystick) Name() string

Name returns the implementation dependent name of a joystick. (https://wiki.libsdl.org/SDL_JoystickName)

func (*Joystick) NumAxes 

func (joy *Joystick) NumAxes() int

NumAxes returns the number of general axis controls on a joystick. (https://wiki.libsdl.org/SDL_JoystickNumAxes)

func (*Joystick) NumBalls 

func (joy *Joystick) NumBalls() int

NumBalls returns the number of trackballs on a joystick. (https://wiki.libsdl.org/SDL_JoystickNumBalls)

func (*Joystick) NumButtons 

func (joy *Joystick) NumButtons() int

NumButtons returns the number of buttons on a joystick. (https://wiki.libsdl.org/SDL_JoystickNumButtons)

func (*Joystick) NumHats 

func (joy *Joystick) NumHats() int

NumHats returns the number of POV hats on a joystick. (https://wiki.libsdl.org/SDL_JoystickNumHats)

func (*Joystick) Product 

func (joy *Joystick) Product() int

Product returns the USB product ID of an opened joystick, if available, 0 otherwise.

func (*Joystick) ProductVersion 

func (joy *Joystick) ProductVersion() int

ProductVersion returns the product version of an opened joystick, if available, 0 otherwise.

func (*Joystick) Type 

func (joy *Joystick) Type() JoystickType

Type returns the the type of an opened joystick.

func (*Joystick) Vendor 

func (joy *Joystick) Vendor() int

Vendor returns the USB vendor ID of an opened joystick, if available, 0 otherwise.

type JoystickGUID 

type JoystickGUID C.SDL_JoystickGUID

JoystickGUID is a stable unique id for a joystick device.

func JoystickGetDeviceGUID 

func JoystickGetDeviceGUID(index int) JoystickGUID

JoystickGetDeviceGUID returns the implementation dependent GUID for the joystick at a given device index. (https://wiki.libsdl.org/SDL_JoystickGetDeviceGUID)

func JoystickGetGUIDFromString 

func JoystickGetGUIDFromString(pchGUID string) JoystickGUID

JoystickGetGUIDFromString converts a GUID string into a JoystickGUID structure. (https://wiki.libsdl.org/SDL_JoystickGetGUIDFromString)

type JoystickID 

type JoystickID C.SDL_JoystickID

JoystickID is joystick's instance id.

func JoystickGetDeviceInstanceID 

func JoystickGetDeviceInstanceID(index int) JoystickID

JoystickGetDeviceInstanceID returns the instance ID of a joystick.

type JoystickPowerLevel 

type JoystickPowerLevel C.SDL_JoystickPowerLevel

JoystickPowerLevel is a battery level of a joystick.

type JoystickType 

type JoystickType C.SDL_JoystickType

JoystickType is a type of a joystick.

func JoystickGetDeviceType 

func JoystickGetDeviceType(index int) JoystickType

JoystickGetDeviceType returns the type of a joystick.

type KeyboardEvent 

type KeyboardEvent struct {
	Type      uint32 // KEYDOWN, KEYUP
	Timestamp uint32 // timestamp of the event
	WindowID  uint32 // the window with keyboard focus, if any
	State     uint8  // PRESSED, RELEASED
	Repeat    uint8  // non-zero if this is a key repeat

	Keysym Keysym // Keysym representing the key that was pressed or released
	// contains filtered or unexported fields
}

KeyboardEvent contains keyboard key down event information. (https://wiki.libsdl.org/SDL_KeyboardEvent)

func (*KeyboardEvent) GetTimestamp 

func (e *KeyboardEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*KeyboardEvent) GetType 

func (e *KeyboardEvent) GetType() uint32

GetType returns the event type.

type Keycode 

type Keycode C.SDL_Keycode

Keycode is the SDL virtual key representation. (https://wiki.libsdl.org/SDL_Keycode)

func GetKeyFromName 

func GetKeyFromName(name string) Keycode

GetKeyFromName returns a key code from a human-readable name. (https://wiki.libsdl.org/SDL_GetKeyFromName)

func GetKeyFromScancode 

func GetKeyFromScancode(code Scancode) Keycode

GetKeyFromScancode returns the key code corresponding to the given scancode according to the current keyboard layout. (https://wiki.libsdl.org/SDL_GetKeyFromScancode)

type Keymod 

type Keymod C.SDL_Keymod

Keymod is a key modifier masks. (https://wiki.libsdl.org/SDL_Keymod)

func GetModState 

func GetModState() Keymod

GetModState returns the current key modifier state for the keyboard. (https://wiki.libsdl.org/SDL_GetModState)

type Keysym 

type Keysym struct {
	Scancode Scancode // SDL physical key code
	Sym      Keycode  // SDL virtual key code
	Mod      uint16   // current key modifiers
	// contains filtered or unexported fields
}

Keysym contains key information used in key events. (https://wiki.libsdl.org/SDL_Keysym)

type LogOutputFunction 

type LogOutputFunction func(data interface{}, category int, pri LogPriority, message string)

LogOutputFunction is the function to call instead of the default

func LogGetOutputFunction 

func LogGetOutputFunction() (LogOutputFunction, interface{})

LogGetOutputFunction returns the current log output function. (https://wiki.libsdl.org/SDL_LogGetOutputFunction)

type LogPriority 

type LogPriority C.SDL_LogPriority

LogPriority is a predefined log priority. (https://wiki.libsdl.org/SDL_LogPriority)

func LogGetPriority 

func LogGetPriority(category int) LogPriority

LogGetPriority returns the priority of a particular log category. (https://wiki.libsdl.org/SDL_LogGetPriority)

type MessageBoxButtonData 

type MessageBoxButtonData struct {
	Flags    uint32 // MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT, MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT
	ButtonID int32  // user defined button id (value returned via ShowMessageBox())
	Text     string // the UTF-8 button text
}

MessageBoxButtonData contains individual button data for a message box. (https://wiki.libsdl.org/SDL_MessageBoxButtonData)

type MessageBoxColor 

type MessageBoxColor struct {
	R uint8 // the red component in the range 0-255
	G uint8 // the green component in the range 0-255
	B uint8 // the blue component in the range 0-255
}

MessageBoxColor contains RGB value used in an MessageBoxColorScheme. (https://wiki.libsdl.org/SDL_MessageBoxColor)

type MessageBoxColorScheme 

type MessageBoxColorScheme struct {
	Colors [5]MessageBoxColor // background, text, button border, button background, button selected
}

MessageBoxColorScheme contains a set of colors to use for message box dialogs. (https://wiki.libsdl.org/SDL_MessageBoxColorScheme)

type MessageBoxData 

type MessageBoxData struct {
	Flags       uint32  // MESSAGEBOX_ERROR, MESSAGEBOX_WARNING, MESSAGEBOX_INFORMATION
	Window      *Window // parent window or nil
	Title       string
	Message     string
	Buttons     []MessageBoxButtonData
	ColorScheme *MessageBoxColorScheme // nil to use system settings
}

MessageBoxData contains title, text, window and other data for a message box. (https://wiki.libsdl.org/SDL_MessageBoxData)

type MouseButtonEvent 

type MouseButtonEvent struct {
	Type      uint32 // MOUSEBUTTONDOWN, MOUSEBUTTONUP
	Timestamp uint32 // timestamp of the event
	WindowID  uint32 // the window with mouse focus, if any
	Which     uint32 // the mouse instance id, or TOUCH_MOUSEID
	Button    uint8  // BUTTON_LEFT, BUTTON_MIDDLE, BUTTON_RIGHT, BUTTON_X1, BUTTON_X2
	State     uint8  // PRESSED, RELEASED
	Clicks    uint8  // 1 for single-click, 2 for double-click, etc. (>= SDL 2.0.2)

	X int32 // X coordinate, relative to window
	Y int32 // Y coordinate, relative to window
	// contains filtered or unexported fields
}

MouseButtonEvent contains mouse button event information. (https://wiki.libsdl.org/SDL_MouseButtonEvent)

func (*MouseButtonEvent) GetTimestamp 

func (e *MouseButtonEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*MouseButtonEvent) GetType 

func (e *MouseButtonEvent) GetType() uint32

GetType returns the event type.

type MouseMotionEvent 

type MouseMotionEvent struct {
	Type      uint32 // MOUSEMOTION
	Timestamp uint32 // timestamp of the event
	WindowID  uint32 // the window with mouse focus, if any
	Which     uint32 // the mouse instance id, or TOUCH_MOUSEID
	State     uint32 // BUTTON_LEFT, BUTTON_MIDDLE, BUTTON_RIGHT, BUTTON_X1, BUTTON_X2
	X         int32  // X coordinate, relative to window
	Y         int32  // Y coordinate, relative to window
	XRel      int32  // relative motion in the X direction
	YRel      int32  // relative motion in the Y direction
}

MouseMotionEvent contains mouse motion event information. (https://wiki.libsdl.org/SDL_MouseMotionEvent)

func (*MouseMotionEvent) GetTimestamp 

func (e *MouseMotionEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*MouseMotionEvent) GetType 

func (e *MouseMotionEvent) GetType() uint32

GetType returns the event type.

type MouseWheelEvent 

type MouseWheelEvent struct {
	Type      uint32 // MOUSEWHEEL
	Timestamp uint32 // timestamp of the event
	WindowID  uint32 // the window with mouse focus, if any
	Which     uint32 // the mouse instance id, or TOUCH_MOUSEID
	X         int32  // the amount scrolled horizontally, positive to the right and negative to the left
	Y         int32  // the amount scrolled vertically, positive away from the user and negative toward the user
	Direction uint32 // MOUSEWHEEL_NORMAL, MOUSEWHEEL_FLIPPED (>= SDL 2.0.4)
}

MouseWheelEvent contains mouse wheel event information. (https://wiki.libsdl.org/SDL_MouseWheelEvent)

func (*MouseWheelEvent) GetTimestamp 

func (e *MouseWheelEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*MouseWheelEvent) GetType 

func (e *MouseWheelEvent) GetType() uint32

GetType returns the event type.

type MultiGestureEvent 

type MultiGestureEvent struct {
	Type       uint32  // MULTIGESTURE
	Timestamp  uint32  // timestamp of the event
	TouchID    TouchID // the touch device id
	DTheta     float32 // the amount that the fingers rotated during this motion
	DDist      float32 // the amount that the fingers pinched during this motion
	X          float32 // the normalized center of gesture
	Y          float32 // the normalized center of gesture
	NumFingers uint16  // the number of fingers used in the gesture
	// contains filtered or unexported fields
}

MultiGestureEvent contains multiple finger gesture event information. (https://wiki.libsdl.org/SDL_MultiGestureEvent)

func (*MultiGestureEvent) GetTimestamp 

func (e *MultiGestureEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*MultiGestureEvent) GetType 

func (e *MultiGestureEvent) GetType() uint32

GetType returns the event type.

type Mutex 

type Mutex struct {
	Recursive int
	Owner     ThreadID
	Sem       *Sem
}

Mutex is the SDL mutex structure.

func CreateMutex 

func CreateMutex() (*Mutex, error)

CreateMutex creates a new mutex. (https://wiki.libsdl.org/SDL_CreateMutex)

func (*Mutex) Destroy 

func (mutex *Mutex) Destroy()

Destroy destroys a mutex created with CreateMutex(). (https://wiki.libsdl.org/SDL_DestroyMutex)

func (*Mutex) Lock 

func (mutex *Mutex) Lock() error

Lock locks a mutex created with CreateMutex(). (https://wiki.libsdl.org/SDL_LockMutex)

func (*Mutex) TryLock 

func (mutex *Mutex) TryLock() error

TryLock tries to lock a mutex without blocking. (https://wiki.libsdl.org/SDL_TryLockMutex)

func (*Mutex) Unlock 

func (mutex *Mutex) Unlock() error

Unlock unlocks a mutex created with CreateMutex(). (https://wiki.libsdl.org/SDL_UnlockMutex)

type OSEvent 

type OSEvent struct {
	Type      uint32 // the event type
	Timestamp uint32 // timestamp of the event
}

OSEvent contains OS specific event information.

func (*OSEvent) GetTimestamp 

func (e *OSEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*OSEvent) GetType 

func (e *OSEvent) GetType() uint32

GetType returns the event type.

type Palette 

type Palette struct {
	Ncolors int32  // the number of colors in the palette
	Colors  *Color // an array of Color structures representing the palette (https://wiki.libsdl.org/SDL_Color)
	// contains filtered or unexported fields
}

Palette contains palette information. (https://wiki.libsdl.org/SDL_Palette)

func AllocPalette 

func AllocPalette(ncolors int) (*Palette, error)

AllocPalette creates a palette structure with the specified number of color entries. (https://wiki.libsdl.org/SDL_AllocPalette)

func (*Palette) Free 

func (palette *Palette) Free()

Free frees the palette created with AllocPalette(). (https://wiki.libsdl.org/SDL_FreePalette)

func (*Palette) SetColors 

func (palette *Palette) SetColors(colors []Color) error

SetColors sets a range of colors in the palette. (https://wiki.libsdl.org/SDL_SetPaletteColors)

type PixelFormat 

type PixelFormat struct {
	Format        uint32   // one of the PIXELFORMAT values (https://wiki.libsdl.org/SDL_PixelFormatEnum)
	Palette       *Palette // palette structure associated with this pixel format, or nil if the format doesn't have a palette (https://wiki.libsdl.org/SDL_Palette)
	BitsPerPixel  uint8    // the number of significant bits in a pixel value, eg: 8, 15, 16, 24, 32
	BytesPerPixel uint8    // the number of bytes required to hold a pixel value, eg: 1, 2, 3, 4

	Rmask uint32 // a mask representing the location of the red component of the pixel
	Gmask uint32 // a mask representing the location of the green component of the pixel
	Bmask uint32 // a mask representing the location of the blue component of the pixel
	Amask uint32 // a mask representing the location of the alpha component of the pixel or 0 if the pixel format doesn't have any alpha information
	// contains filtered or unexported fields
}

PixelFormat contains pixel format information. (https://wiki.libsdl.org/SDL_PixelFormat)

func AllocFormat 

func AllocFormat(format uint) (*PixelFormat, error)

AllocFormat creates a PixelFormat structure corresponding to a pixel format. (https://wiki.libsdl.org/SDL_AllocFormat)

func (*PixelFormat) Free 

func (format *PixelFormat) Free()

Free frees the PixelFormat structure allocated by AllocFormat(). (https://wiki.libsdl.org/SDL_FreeFormat)

func (*PixelFormat) SetPalette 

func (format *PixelFormat) SetPalette(palette *Palette) error

SetPalette sets the palette for the pixel format structure. (https://wiki.libsdl.org/SDL_SetPixelFormatPalette)

type Point 

type Point struct {
	X int32 // the x coordinate of the point
	Y int32 // the y coordinate of the point
}

Point defines a two dimensional point. (https://wiki.libsdl.org/SDL_Point)

func (*Point) InRect 

func (p *Point) InRect(r *Rect) bool

InRect reports whether the point resides inside a rectangle. (https://wiki.libsdl.org/SDL_PointInRect)

type PowerState 

type PowerState C.SDL_PowerState

PowerState is the basic state for the system's power supply. (https://wiki.libsdl.org/SDL_PowerState)

type QuitEvent 

type QuitEvent struct {
	Type      uint32 // QUIT
	Timestamp uint32 // timestamp of the event
}

QuitEvent contains the "quit requested" event. (https://wiki.libsdl.org/SDL_QuitEvent)

func (*QuitEvent) GetTimestamp 

func (e *QuitEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*QuitEvent) GetType 

func (e *QuitEvent) GetType() uint32

GetType returns the event type.

type RWops 

type RWops C.SDL_RWops

RWops provides an abstract interface to stream I/O. Applications can generally ignore the specifics of this structure's internals and treat them as opaque pointers. The details are important to lower-level code that might need to implement one of these, however. (https://wiki.libsdl.org/SDL_RWops)

func AllocRW 

func AllocRW() *RWops

AllocRW allocates an empty, unpopulated RWops structure. (https://wiki.libsdl.org/SDL_AllocRW)

func RWFromFile 

func RWFromFile(file, mode string) *RWops

RWFromFile creates a new RWops structure for reading from and/or writing to a named file. (https://wiki.libsdl.org/SDL_RWFromFile)

func RWFromMem 

func RWFromMem(mem []byte) (*RWops, error)

RWFromMem prepares a read-write memory buffer for use with RWops. (https://wiki.libsdl.org/SDL_RWFromMem)

func (*RWops) Close 

func (rwops *RWops) Close() error

Close closes and frees the allocated RWops structure. (https://wiki.libsdl.org/SDL_RWclose)

func (*RWops) Free 

func (rwops *RWops) Free() error

Free frees the RWops structure allocated by AllocRW(). (https://wiki.libsdl.org/SDL_FreeRW)

func (*RWops) LoadFileRW 

func (src *RWops) LoadFileRW(freesrc bool) (data []byte, size int)

LoadFile_RW loads all the data from an SDL data stream. (https://wiki.libsdl.org/SDL_LoadFile_RW)

func (*RWops) Read 

func (rwops *RWops) Read(buf []byte) (n int, err error)

Read reads from a data source. (https://wiki.libsdl.org/SDL_RWread)

func (*RWops) Read2 

func (rwops *RWops) Read2(buf []byte, size, maxnum uint) (n int, err error)

Read2 reads from a data source (native). (https://wiki.libsdl.org/SDL_RWread)

func (*RWops) ReadBE16 

func (rwops *RWops) ReadBE16() uint16

ReadBE16 read 16 bits of big-endian data from the RWops and returns in native format. (https://wiki.libsdl.org/SDL_ReadBE16)

func (*RWops) ReadBE32 

func (rwops *RWops) ReadBE32() uint32

ReadBE32 reads 32 bits of big-endian data from the RWops and returns in native format. (https://wiki.libsdl.org/SDL_ReadBE32)

func (*RWops) ReadBE64 

func (rwops *RWops) ReadBE64() uint64

ReadBE64 reads 64 bits of big-endian data from the RWops and returns in native format. (https://wiki.libsdl.org/SDL_ReadBE64)

func (*RWops) ReadLE16 

func (rwops *RWops) ReadLE16() uint16

ReadLE16 reads 16 bits of little-endian data from the RWops and returns in native format. (https://wiki.libsdl.org/SDL_ReadLE16)

func (*RWops) ReadLE32 

func (rwops *RWops) ReadLE32() uint32

ReadLE32 reads 32 bits of little-endian data from the RWops and returns in native format. (https://wiki.libsdl.org/SDL_ReadLE32)

func (*RWops) ReadLE64 

func (rwops *RWops) ReadLE64() uint64

ReadLE64 reads 64 bits of little-endian data from the RWops and returns in native format. (https://wiki.libsdl.org/SDL_ReadLE64)

func (*RWops) ReadU8 

func (rwops *RWops) ReadU8() uint8

ReadU8 reads a byte from the RWops. (https://wiki.libsdl.org/SDL_ReadU8)

func (*RWops) Seek 

func (rwops *RWops) Seek(offset int64, whence int) (int64, error)

Seek seeks within the RWops data stream. (https://wiki.libsdl.org/SDL_RWseek)

func (*RWops) Size 

func (rwops *RWops) Size() (int64, error)

Size returns the size of the data stream in the RWops. (https://wiki.libsdl.org/SDL_RWsize)

func (*RWops) Tell 

func (rwops *RWops) Tell() (int64, error)

Tell returns the current read/write offset in the RWops data stream. (https://wiki.libsdl.org/SDL_RWtell)

func (*RWops) Write 

func (rwops *RWops) Write(buf []byte) (n int, err error)

Write writes to the RWops data stream. (https://wiki.libsdl.org/SDL_RWwrite)

func (*RWops) Write2 

func (rwops *RWops) Write2(buf []byte, size, num uint) (n int, err error)

Write2 writes to the RWops data stream (native). (https://wiki.libsdl.org/SDL_RWwrite)

func (*RWops) WriteBE16 

func (rwops *RWops) WriteBE16(value uint16) uint

WriteBE16 writes 16 bits in native format to the RWops as big-endian data. (https://wiki.libsdl.org/SDL_WriteBE16)

func (*RWops) WriteBE32 

func (rwops *RWops) WriteBE32(value uint32) uint

WriteBE32 writes 32 bits in native format to the RWops as big-endian data. (https://wiki.libsdl.org/SDL_WriteBE32)

func (*RWops) WriteBE64 

func (rwops *RWops) WriteBE64(value uint64) uint

WriteBE64 writes 64 bits in native format to the RWops as big-endian data. (https://wiki.libsdl.org/SDL_WriteBE64)

func (*RWops) WriteLE16 

func (rwops *RWops) WriteLE16(value uint16) uint

WriteLE16 writes 16 bits in native format to the RWops as little-endian data. (https://wiki.libsdl.org/SDL_WriteLE16)

func (*RWops) WriteLE32 

func (rwops *RWops) WriteLE32(value uint32) uint

WriteLE32 writes 32 bits in native format to the RWops as little-endian data. (https://wiki.libsdl.org/SDL_WriteLE32)

func (*RWops) WriteLE64 

func (rwops *RWops) WriteLE64(value uint64) uint

WriteLE64 writes 64 bits in native format to the RWops as little-endian data. (https://wiki.libsdl.org/SDL_WriteLE64)

func (*RWops) WriteU8 

func (rwops *RWops) WriteU8(value uint8) uint

WriteU8 writes a byte to the RWops. (https://wiki.libsdl.org/SDL_WriteU8)

type Rect 

type Rect struct {
	X int32 // the x location of the rectangle's upper left corner
	Y int32 // the y location of the rectangle's upper left corner
	W int32 // the width of the rectangle
	H int32 // the height of the rectangle
}

Rect contains the definition of a rectangle, with the origin at the upper left. (https://wiki.libsdl.org/SDL_Rect)

func EnclosePoints 

func EnclosePoints(points []Point, clip *Rect) (Rect, bool)

EnclosePoints calculates a minimal rectangle that encloses a set of points. (https://wiki.libsdl.org/SDL_EnclosePoints)

func GetDisplayBounds 

func GetDisplayBounds(displayIndex int) (rect Rect, err error)

GetDisplayBounds returns the desktop area represented by a display, with the primary display located at 0,0. (https://wiki.libsdl.org/SDL_GetDisplayBounds)

func GetDisplayUsableBounds 

func GetDisplayUsableBounds(displayIndex int) (rect Rect, err error)

GetDisplayUsableBounds returns the usable desktop area represented by a display, with the primary display located at 0,0. (https://wiki.libsdl.org/SDL_GetDisplayUsableBounds)

func (*Rect) Empty 

func (a *Rect) Empty() bool

Empty reports whether a rectangle has no area. (https://wiki.libsdl.org/SDL_RectEmpty)

func (*Rect) Equals 

func (a *Rect) Equals(b *Rect) bool

Equals reports whether two rectangles are equal. (https://wiki.libsdl.org/SDL_RectEquals)

func (*Rect) HasIntersection 

func (a *Rect) HasIntersection(b *Rect) bool

HasIntersection reports whether two rectangles intersect. (https://wiki.libsdl.org/SDL_HasIntersection)

func (*Rect) Intersect 

func (a *Rect) Intersect(b *Rect) (Rect, bool)

Intersect calculates the intersection of two rectangles. (https://wiki.libsdl.org/SDL_IntersectRect)

func (*Rect) IntersectLine 

func (a *Rect) IntersectLine(X1, Y1, X2, Y2 *int32) bool

IntersectLine calculates the intersection of a rectangle and a line segment. (https://wiki.libsdl.org/SDL_IntersectRectAndLine)

func (*Rect) Union 

func (a *Rect) Union(b *Rect) Rect

Union calculates the union of two rectangles. (https://wiki.libsdl.org/SDL_UnionRect)

type RenderEvent 

type RenderEvent struct {
	Type      uint32 // the event type
	Timestamp uint32 // timestamp of the event
}

RenderEvent contains render event information. (https://wiki.libsdl.org/SDL_EventType)

func (*RenderEvent) GetTimestamp 

func (e *RenderEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*RenderEvent) GetType 

func (e *RenderEvent) GetType() uint32

GetType returns the event type.

type Renderer 

type Renderer C.SDL_Renderer

Renderer contains a rendering state. (https://wiki.libsdl.org/SDL_Renderer)

func CreateRenderer 

func CreateRenderer(window *Window, index int, flags uint32) (*Renderer, error)

CreateRenderer returns a new 2D rendering context for a window. (https://wiki.libsdl.org/SDL_CreateRenderer)

func CreateSoftwareRenderer 

func CreateSoftwareRenderer(surface *Surface) (*Renderer, error)

CreateSoftwareRenderer returns a new 2D software rendering context for a surface. (https://wiki.libsdl.org/SDL_CreateSoftwareRenderer)

func (*Renderer) Clear 

func (renderer *Renderer) Clear() error

Clear clears the current rendering target with the drawing color. (https://wiki.libsdl.org/SDL_RenderClear)

func (*Renderer) Copy 

func (renderer *Renderer) Copy(texture *Texture, src, dst *Rect) error

Copy copies a portion of the texture to the current rendering target. (https://wiki.libsdl.org/SDL_RenderCopy)

func (*Renderer) CopyEx 

func (renderer *Renderer) CopyEx(texture *Texture, src, dst *Rect, angle float64, center *Point, flip RendererFlip) error

CopyEx copies a portion of the texture to the current rendering target, optionally rotating it by angle around the given center and also flipping it top-bottom and/or left-right. (https://wiki.libsdl.org/SDL_RenderCopyEx)

func (*Renderer) CreateTexture 

func (renderer *Renderer) CreateTexture(format uint32, access int, w, h int32) (*Texture, error)

CreateTexture returns a new texture for a rendering context. (https://wiki.libsdl.org/SDL_CreateTexture)

func (*Renderer) CreateTextureFromSurface 

func (renderer *Renderer) CreateTextureFromSurface(surface *Surface) (*Texture, error)

CreateTextureFromSurface returns a new texture from an existing surface. (https://wiki.libsdl.org/SDL_CreateTextureFromSurface)

func (*Renderer) Destroy 

func (renderer *Renderer) Destroy() error

Destroy destroys the rendering context for a window and free associated textures. (https://wiki.libsdl.org/SDL_DestroyRenderer)

func (*Renderer) DrawLine 

func (renderer *Renderer) DrawLine(x1, y1, x2, y2 int32) error

DrawLine draws a line on the current rendering target. (https://wiki.libsdl.org/SDL_RenderDrawLine)

func (*Renderer) DrawLines 

func (renderer *Renderer) DrawLines(points []Point) error

DrawLines draws a series of connected lines on the current rendering target. (https://wiki.libsdl.org/SDL_RenderDrawLines)

func (*Renderer) DrawPoint 

func (renderer *Renderer) DrawPoint(x, y int32) error

DrawPoint draws a point on the current rendering target. (https://wiki.libsdl.org/SDL_RenderDrawPoint)

func (*Renderer) DrawPoints 

func (renderer *Renderer) DrawPoints(points []Point) error

DrawPoints draws multiple points on the current rendering target. (https://wiki.libsdl.org/SDL_RenderDrawPoints)

func (*Renderer) DrawRect 

func (renderer *Renderer) DrawRect(rect *Rect) error

DrawRect draws a rectangle on the current rendering target. (https://wiki.libsdl.org/SDL_RenderDrawRect)

func (*Renderer) DrawRects 

func (renderer *Renderer) DrawRects(rects []Rect) error

DrawRects draws some number of rectangles on the current rendering target. (https://wiki.libsdl.org/SDL_RenderDrawRects)

func (*Renderer) FillRect 

func (renderer *Renderer) FillRect(rect *Rect) error

FillRect fills a rectangle on the current rendering target with the drawing color. (https://wiki.libsdl.org/SDL_RenderFillRect)

func (*Renderer) FillRects 

func (renderer *Renderer) FillRects(rects []Rect) error

FillRects fills some number of rectangles on the current rendering target with the drawing color. (https://wiki.libsdl.org/SDL_RenderFillRects)

func (*Renderer) GetClipRect 

func (renderer *Renderer) GetClipRect() (rect Rect)

GetClipRect returns the clip rectangle for the current target. (https://wiki.libsdl.org/SDL_RenderGetClipRect)

func (*Renderer) GetDrawBlendMode 

func (renderer *Renderer) GetDrawBlendMode(bm *BlendMode) error

GetDrawBlendMode returns the blend mode used for drawing operations. (https://wiki.libsdl.org/SDL_GetRenderDrawBlendMode)

func (*Renderer) GetDrawColor 

func (renderer *Renderer) GetDrawColor() (r, g, b, a uint8, err error)

GetDrawColor returns the color used for drawing operations (Rect, Line and Clear). (https://wiki.libsdl.org/SDL_GetRenderDrawColor)

func (*Renderer) GetInfo 

func (renderer *Renderer) GetInfo() (RendererInfo, error)

GetInfo returns information about a rendering context. (https://wiki.libsdl.org/SDL_GetRendererInfo)

func (*Renderer) GetIntegerScale 

func (renderer *Renderer) GetIntegerScale() (bool, error)

GetIntegerScale reports whether integer scales are forced for resolution-independent rendering.

(https://wiki.libsdl.org/SDL_RenderGetIntegerScale)

func (*Renderer) GetLogicalSize 

func (renderer *Renderer) GetLogicalSize() (w, h int32)

GetLogicalSize returns device independent resolution for rendering. (https://wiki.libsdl.org/SDL_RenderGetLogicalSize)

func (*Renderer) GetMetalCommandEncoder 

func (renderer *Renderer) GetMetalCommandEncoder() (encoder unsafe.Pointer, err error)

GetMetalCommandEncoder gets the Metal command encoder for the current frame (https://wiki.libsdl.org/SDL_RenderGetMetalCommandEncoder)

func (*Renderer) GetMetalLayer 

func (renderer *Renderer) GetMetalLayer() (layer unsafe.Pointer, err error)

GetMetalLayer gets the CAMetalLayer associated with the given Metal renderer (https://wiki.libsdl.org/SDL_RenderGetMetalLayer)

func (*Renderer) GetOutputSize 

func (renderer *Renderer) GetOutputSize() (w, h int32, err error)

GetOutputSize returns the output size in pixels of a rendering context. (https://wiki.libsdl.org/SDL_GetRendererOutputSize)

func (*Renderer) GetRenderTarget 

func (renderer *Renderer) GetRenderTarget() *Texture

GetRenderTarget returns the current render target. (https://wiki.libsdl.org/SDL_GetRenderTarget)

func (*Renderer) GetScale 

func (renderer *Renderer) GetScale() (scaleX, scaleY float32)

GetScale returns the drawing scale for the current target. (https://wiki.libsdl.org/SDL_RenderGetScale)

func (*Renderer) GetViewport 

func (renderer *Renderer) GetViewport() (rect Rect)

GetViewport returns the drawing area for the current target. (https://wiki.libsdl.org/SDL_RenderGetViewport)

func (*Renderer) Present 

func (renderer *Renderer) Present()

Present updates the screen with any rendering performed since the previous call. (https://wiki.libsdl.org/SDL_RenderPresent)

func (*Renderer) ReadPixels 

func (renderer *Renderer) ReadPixels(rect *Rect, format uint32, pixels unsafe.Pointer, pitch int) error

ReadPixels reads pixels from the current rendering target. (https://wiki.libsdl.org/SDL_RenderReadPixels)

func (*Renderer) RenderTargetSupported 

func (renderer *Renderer) RenderTargetSupported() bool

RenderTargetSupported reports whether a window supports the use of render targets. (https://wiki.libsdl.org/SDL_RenderTargetSupported)

func (*Renderer) SetClipRect 

func (renderer *Renderer) SetClipRect(rect *Rect) error

SetClipRect sets the clip rectangle for rendering on the specified target. (https://wiki.libsdl.org/SDL_RenderSetClipRect)

func (*Renderer) SetDrawBlendMode 

func (renderer *Renderer) SetDrawBlendMode(bm BlendMode) error

SetDrawBlendMode sets the blend mode used for drawing operations (Fill and Line). (https://wiki.libsdl.org/SDL_SetRenderDrawBlendMode)

func (*Renderer) SetDrawColor 

func (renderer *Renderer) SetDrawColor(r, g, b, a uint8) error

SetDrawColor sets the color used for drawing operations (Rect, Line and Clear). (https://wiki.libsdl.org/SDL_SetRenderDrawColor)

func (*Renderer) SetDrawColorArray 

func (renderer *Renderer) SetDrawColorArray(bs ...uint8) error

SetDrawColorArray is a custom variant of SetDrawColor.

func (*Renderer) SetIntegerScale 

func (renderer *Renderer) SetIntegerScale(v bool) error

SetIntegerScale sets whether to force integer scales for resolution-independent rendering.

This function restricts the logical viewport to integer values - that is, when a resolution is between two multiples of a logical size, the viewport size is rounded down to the lower multiple.

(https://wiki.libsdl.org/SDL_RenderSetIntegerScale)

func (*Renderer) SetLogicalSize 

func (renderer *Renderer) SetLogicalSize(w, h int32) error

SetLogicalSize sets a device independent resolution for rendering. (https://wiki.libsdl.org/SDL_RenderSetLogicalSize)

func (*Renderer) SetRenderTarget 

func (renderer *Renderer) SetRenderTarget(texture *Texture) error

SetRenderTarget sets a texture as the current rendering target. (https://wiki.libsdl.org/SDL_SetRenderTarget)

func (*Renderer) SetScale 

func (renderer *Renderer) SetScale(scaleX, scaleY float32) error

SetScale sets the drawing scale for rendering on the current target. (https://wiki.libsdl.org/SDL_RenderSetScale)

func (*Renderer) SetViewport 

func (renderer *Renderer) SetViewport(rect *Rect) error

SetViewport sets the drawing area for rendering on the current target. (https://wiki.libsdl.org/SDL_RenderSetViewport)

type RendererFlip 

type RendererFlip uint32

RendererFlip is an enumeration of flags that can be used in the flip parameter for Renderer.CopyEx(). (https://wiki.libsdl.org/SDL_RendererFlip)

type RendererInfo 

type RendererInfo struct {
	Name string // the name of the renderer
	RendererInfoData
}

RendererInfo contains information on the capabilities of a render driver or the current render context. (https://wiki.libsdl.org/SDL_RendererInfo)

type RendererInfoData 

type RendererInfoData struct {
	Flags             uint32    // a mask of supported renderer flags
	NumTextureFormats uint32    // the number of available texture formats
	TextureFormats    [16]int32 // the available texture formats
	MaxTextureWidth   int32     // the maximum texture width
	MaxTextureHeight  int32     // the maximum texture height
}

RendererInfoData contains information on the capabilities of a render driver or the current render context. (https://wiki.libsdl.org/SDL_RendererInfo)

type Scancode 

type Scancode uint32

Scancode is an SDL keyboard scancode representation. (https://wiki.libsdl.org/SDL_Scancode)

func GetScancodeFromKey 

func GetScancodeFromKey(code Keycode) Scancode

GetScancodeFromKey returns the scancode corresponding to the given key code according to the current keyboard layout. (https://wiki.libsdl.org/SDL_GetScancodeFromKey)

func GetScancodeFromName 

func GetScancodeFromName(name string) Scancode

GetScancodeFromName returns a scancode from a human-readable name. (https://wiki.libsdl.org/SDL_GetScancodeFromName)

type Sem 

type Sem struct {
	Count        uint32
	WaitersCount uint32
	CountLock    *Mutex
	CountNonzero *Cond
}

Sem is the SDL semaphore structure.

func CreateSemaphore 

func CreateSemaphore(initialValue uint32) (*Sem, error)

CreateSemaphore creates a semaphore. (https://wiki.libsdl.org/SDL_CreateSemaphore)

func (*Sem) Destroy 

func (sem *Sem) Destroy()

Destroy destroys a semaphore. (https://wiki.libsdl.org/SDL_DestroySemaphore)

func (*Sem) Post 

func (sem *Sem) Post() error

Post atomically increments a semaphore's value and wake waiting threads. (https://wiki.libsdl.org/SDL_SemPost)

func (*Sem) TryWait 

func (sem *Sem) TryWait() error

TryWait sees if a semaphore has a positive value and decrement it if it does. (https://wiki.libsdl.org/SDL_SemTryWait)

func (*Sem) Value 

func (sem *Sem) Value() uint32

Value returns the current value of a semaphore. (https://wiki.libsdl.org/SDL_SemValue)

func (*Sem) Wait 

func (sem *Sem) Wait() error

Wait waits until a semaphore has a positive value and then decrements it. (https://wiki.libsdl.org/SDL_SemWait)

func (*Sem) WaitTimeout 

func (sem *Sem) WaitTimeout(ms uint32) error

WaitTimeout waits until a semaphore has a positive value and then decrements it. (https://wiki.libsdl.org/SDL_SemWaitTimeout)

type Sensor 

type Sensor C.SDL_Sensor

func SensorFromInstanceID 

func SensorFromInstanceID(id SensorID) (sensor *Sensor)

SensorFromInstanceID returns the Sensor associated with an instance id. (https://wiki.libsdl.org/SDL_SensorFromInstanceID)

func SensorOpen 

func SensorOpen(deviceIndex int) (sensor *Sensor)

SensorOpen opens a sensor for use.

The index passed as an argument refers to the N'th sensor on the system.

Returns a sensor identifier, or nil if an error occurred. (https://wiki.libsdl.org/SDL_SensorOpen)

func (*Sensor) Close 

func (sensor *Sensor) Close()

Close closes a sensor previously opened with SensorOpen() (https://wiki.libsdl.org/SDL_SensorClose)

func (*Sensor) GetData 

func (sensor *Sensor) GetData(data []float32) (err error)

GetData gets the current state of an opened sensor.

The number of values and interpretation of the data is sensor dependent. (https://wiki.libsdl.org/SDL_SensorGetData)

func (*Sensor) GetInstanceID 

func (sensor *Sensor) GetInstanceID() (id SensorID)

GetInstanceID gets the instance ID of a sensor.

This can be called before any sensors are opened.

Returns the sensor instance ID, or -1 if the sensor is nil. (https://wiki.libsdl.org/SDL_SensorGetInstanceID)

func (*Sensor) GetName 

func (sensor *Sensor) GetName() (name string)

GetName gets the implementation dependent name of a sensor.

Returns the sensor name, or empty string if the sensor is nil. (https://wiki.libsdl.org/SDL_SensorGetName)

func (*Sensor) GetNonPortableType 

func (sensor *Sensor) GetNonPortableType() (typ int)

GetNonPortableType gets the platform dependent type of a sensor.

This can be called before any sensors are opened.

Returns the sensor platform dependent type, or -1 if the sensor is nil. (https://wiki.libsdl.org/SDL_SensorGetNonPortableType)

func (*Sensor) GetType 

func (sensor *Sensor) GetType() (typ SensorType)

GetType gets the type of a sensor.

This can be called before any sensors are opened.

Returns the sensor type, or SENSOR_INVALID if the sensor is nil. (https://wiki.libsdl.org/SDL_SensorGetType)

type SensorEvent 

type SensorEvent struct {
	Type      uint32     // SDL_SENSORUPDATE
	Timestamp uint32     // In milliseconds, populated using SDL_GetTicks()
	Which     int32      // The instance ID of the sensor
	Data      [6]float32 // Up to 6 values from the sensor - additional values can be queried using SDL_SensorGetData()
}

SensorEvent contains data from sensors such as accelerometer and gyroscope (https://wiki.libsdl.org/SDL_SensorEvent)

func (*SensorEvent) GetTimestamp 

func (e *SensorEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*SensorEvent) GetType 

func (e *SensorEvent) GetType() uint32

GetType returns the event type.

type SensorID 

type SensorID int32

func SensorGetDeviceInstanceID 

func SensorGetDeviceInstanceID(deviceIndex int) (id SensorID)

SensorGetDeviceInstanceID gets the instance ID of a sensor.

This can be called before any sensors are opened.

Returns the sensor instance ID, or -1 if deviceIndex is out of range. (https://wiki.libsdl.org/SDL_SensorGetDeviceInstanceID)

type SensorType 

type SensorType int
const (
	SENSOR_INVALID SensorType = -1 // Returned for an invalid sensor
	SENSOR_UNKNOWN                 // Unknown sensor type
	SENSOR_ACCEL                   // Accelerometer
	SENSOR_GYRO                    // Gyroscope
)

The different sensors defined by SDL

Additional sensors may be available, using platform dependent semantics.

Here are the additional Android sensors: https://developer.android.com/reference/android/hardware/SensorEvent.html#values

func SensorGetDeviceType 

func SensorGetDeviceType(deviceIndex int) (typ SensorType)
SensorGetDeviceType gets the type of a sensor.

This can be called before any sensors are opened.

Returns the sensor type, or SDL_SENSOR_INVALID if deviceIndex is out of range.

(https://wiki.libsdl.org/SDL_SensorGetDeviceType)

type SharedObject 

type SharedObject uintptr

SharedObject is a pointer to the object handle.

func LoadObject 

func LoadObject(sofile string) SharedObject

LoadObject dynamically loads a shared object and returns a pointer to the object handle. (https://wiki.libsdl.org/SDL_LoadObject)

func (SharedObject) LoadFunction 

func (handle SharedObject) LoadFunction(name string) unsafe.Pointer

LoadFunction returns a pointer to the named function from the shared object. (https://wiki.libsdl.org/SDL_LoadFunction)

func (SharedObject) Unload 

func (handle SharedObject) Unload()

Unload unloads a shared object from memory. (https://wiki.libsdl.org/SDL_UnloadObject)

type Surface 

type Surface struct {
	Format *PixelFormat // the format of the pixels stored in the surface (read-only) (https://wiki.libsdl.org/SDL_PixelFormat)
	W      int32        // the width in pixels (read-only)
	H      int32        // the height in pixels (read-only)
	Pitch  int32        // the length of a row of pixels in bytes (read-only)

	UserData unsafe.Pointer // an arbitrary pointer you can set

	ClipRect Rect // a Rect structure used to clip blits to the surface which can be set by SetClipRect() (read-only)

	RefCount int32 // reference count that can be incremented by the application
	// contains filtered or unexported fields
}

Surface contains a collection of pixels used in software blitting. (https://wiki.libsdl.org/SDL_Surface)

func CreateRGBSurface 

func CreateRGBSurface(flags uint32, width, height, depth int32, Rmask, Gmask, Bmask, Amask uint32) (*Surface, error)

CreateRGBSurface allocates a new RGB surface. (https://wiki.libsdl.org/SDL_CreateRGBSurface)

func CreateRGBSurfaceFrom 

func CreateRGBSurfaceFrom(pixels unsafe.Pointer, width, height int32, depth, pitch int, Rmask, Gmask, Bmask, Amask uint32) (*Surface, error)

CreateRGBSurfaceFrom allocate a new RGB surface with existing pixel data. (https://wiki.libsdl.org/SDL_CreateRGBSurfaceFrom)

func CreateRGBSurfaceWithFormat 

func CreateRGBSurfaceWithFormat(flags uint32, width, height, depth int32, format uint32) (*Surface, error)

CreateRGBSurfaceWithFormat allocates an RGB surface. (https://wiki.libsdl.org/SDL_CreateRGBSurfaceWithFormat)

func CreateRGBSurfaceWithFormatFrom 

func CreateRGBSurfaceWithFormatFrom(pixels unsafe.Pointer, width, height, depth, pitch int32, format uint32) (*Surface, error)

CreateRGBSurfaceWithFormatFrom allocates an RGB surface from provided pixel data. (https://wiki.libsdl.org/SDL_CreateRGBSurfaceWithFormatFrom)

func LoadBMP 

func LoadBMP(file string) (*Surface, error)

LoadBMP loads a surface from a BMP file. (https://wiki.libsdl.org/SDL_LoadBMP)

func LoadBMPRW 

func LoadBMPRW(src *RWops, freeSrc bool) (*Surface, error)

LoadBMPRW loads a BMP image from a seekable SDL data stream (memory or file). (https://wiki.libsdl.org/SDL_LoadBMP_RW)

func (*Surface) At 

func (surface *Surface) At(x, y int) color.Color

At returns the pixel color at (x, y)

func (*Surface) Blit 

func (surface *Surface) Blit(srcRect *Rect, dst *Surface, dstRect *Rect) error

Blit performs a fast surface copy to a destination surface. (https://wiki.libsdl.org/SDL_BlitSurface)

func (*Surface) BlitScaled 

func (surface *Surface) BlitScaled(srcRect *Rect, dst *Surface, dstRect *Rect) error

BlitScaled performs a scaled surface copy to a destination surface. (https://wiki.libsdl.org/SDL_BlitScaled)

func (*Surface) Bounds 

func (surface *Surface) Bounds() image.Rectangle

Bounds return the bounds of this surface. Currently, it always starts at (0,0), but this is not guaranteed in the future so don't rely on it.

func (*Surface) BytesPerPixel 

func (surface *Surface) BytesPerPixel() int

BytesPerPixel return the number of significant bits in a pixel values of the surface.

func (*Surface) ColorModel 

func (surface *Surface) ColorModel() color.Model

ColorModel returns the color model used by this Surface.

func (*Surface) Convert 

func (surface *Surface) Convert(fmt *PixelFormat, flags uint32) (*Surface, error)

Convert copies the existing surface into a new one that is optimized for blitting to a surface of a specified pixel format. (https://wiki.libsdl.org/SDL_ConvertSurface)

func (*Surface) ConvertFormat 

func (surface *Surface) ConvertFormat(pixelFormat uint32, flags uint32) (*Surface, error)

ConvertFormat copies the existing surface to a new surface of the specified format. (https://wiki.libsdl.org/SDL_ConvertSurfaceFormat)

func (*Surface) Data 

func (surface *Surface) Data() unsafe.Pointer

Data returns the pointer to the actual pixel data of the surface.

func (*Surface) Duplicate 

func (surface *Surface) Duplicate() (newSurface *Surface, err error)

Duplicate creates a new surface identical to the existing surface

func (*Surface) FillRect 

func (surface *Surface) FillRect(rect *Rect, color uint32) error

FillRect performs a fast fill of a rectangle with a specific color. (https://wiki.libsdl.org/SDL_FillRect)

func (*Surface) FillRects 

func (surface *Surface) FillRects(rects []Rect, color uint32) error

FillRects performs a fast fill of a set of rectangles with a specific color. (https://wiki.libsdl.org/SDL_FillRects)

func (*Surface) Free 

func (surface *Surface) Free()

Free frees the RGB surface. (https://wiki.libsdl.org/SDL_FreeSurface)

func (*Surface) GetAlphaMod 

func (surface *Surface) GetAlphaMod() (alpha uint8, err error)

GetAlphaMod returns the additional alpha value used in blit operations. (https://wiki.libsdl.org/SDL_GetSurfaceAlphaMod)

func (*Surface) GetBlendMode 

func (surface *Surface) GetBlendMode() (bm BlendMode, err error)

GetBlendMode returns the blend mode used for blit operations. (https://wiki.libsdl.org/SDL_GetSurfaceBlendMode)

func (*Surface) GetClipRect 

func (surface *Surface) GetClipRect(rect *Rect)

GetClipRect returns the clipping rectangle for a surface. (https://wiki.libsdl.org/SDL_GetClipRect)

func (*Surface) GetColorKey 

func (surface *Surface) GetColorKey() (key uint32, err error)

GetColorKey retruns the color key (transparent pixel) for the surface. (https://wiki.libsdl.org/SDL_GetColorKey)

func (*Surface) GetColorMod 

func (surface *Surface) GetColorMod() (r, g, b uint8, err error)

GetColorMod returns the additional color value multiplied into blit operations. (https://wiki.libsdl.org/SDL_GetSurfaceColorMod)

func (*Surface) Lock 

func (surface *Surface) Lock() error

Lock sets up the surface for directly accessing the pixels. (https://wiki.libsdl.org/SDL_LockSurface)

func (*Surface) LowerBlit 

func (surface *Surface) LowerBlit(srcRect *Rect, dst *Surface, dstRect *Rect) error

LowerBlit performs low-level surface blitting only. (https://wiki.libsdl.org/SDL_LowerBlit)

func (*Surface) LowerBlitScaled 

func (surface *Surface) LowerBlitScaled(srcRect *Rect, dst *Surface, dstRect *Rect) error

LowerBlitScaled performs low-level surface scaled blitting only. (https://wiki.libsdl.org/SDL_LowerBlitScaled)

func (*Surface) MustLock 

func (surface *Surface) MustLock() bool

MustLock reports whether the surface must be locked for access. (https://wiki.libsdl.org/SDL_MUSTLOCK)

func (*Surface) PixelNum 

func (surface *Surface) PixelNum() int

PixelNum returns the number of pixels stored in the surface.

func (*Surface) Pixels 

func (surface *Surface) Pixels() []byte

Pixels returns the actual pixel data of the surface.

func (*Surface) SaveBMP 

func (surface *Surface) SaveBMP(file string) error

SaveBMP saves the surface to a BMP file. (https://wiki.libsdl.org/SDL_SaveBMP)

func (*Surface) SaveBMPRW 

func (surface *Surface) SaveBMPRW(dst *RWops, freeDst bool) error

SaveBMPRW save the surface to a seekable SDL data stream (memory or file) in BMP format. (https://wiki.libsdl.org/SDL_SaveBMP_RW)

func (*Surface) Set 

func (surface *Surface) Set(x, y int, c color.Color)

Set the color of the pixel at (x, y) using this surface's color model to convert c to the appropriate color. This method is required for the draw.Image interface. The surface may require locking before calling Set.

func (*Surface) SetAlphaMod 

func (surface *Surface) SetAlphaMod(alpha uint8) error

SetAlphaMod sets an additional alpha value used in blit operations. (https://wiki.libsdl.org/SDL_SetSurfaceAlphaMod)

func (*Surface) SetBlendMode 

func (surface *Surface) SetBlendMode(bm BlendMode) error

SetBlendMode sets the blend mode used for blit operations. (https://wiki.libsdl.org/SDL_SetSurfaceBlendMode)

func (*Surface) SetClipRect 

func (surface *Surface) SetClipRect(rect *Rect) bool

SetClipRect sets the clipping rectangle for the surface (https://wiki.libsdl.org/SDL_SetClipRect)

func (*Surface) SetColorKey 

func (surface *Surface) SetColorKey(flag bool, key uint32) error

SetColorKey sets the color key (transparent pixel) in the surface. (https://wiki.libsdl.org/SDL_SetColorKey)

func (*Surface) SetColorMod 

func (surface *Surface) SetColorMod(r, g, b uint8) error

SetColorMod sets an additional color value multiplied into blit operations. (https://wiki.libsdl.org/SDL_SetSurfaceColorMod)

func (*Surface) SetPalette 

func (surface *Surface) SetPalette(palette *Palette) error

SetPalette sets the palette used by the surface. (https://wiki.libsdl.org/SDL_SetSurfacePalette)

func (*Surface) SetRLE 

func (surface *Surface) SetRLE(flag bool) error

SetRLE sets the RLE acceleration hint for the surface. (https://wiki.libsdl.org/SDL_SetSurfaceRLE)

func (*Surface) SoftStretch 

func (surface *Surface) SoftStretch(srcRect *Rect, dst *Surface, dstRect *Rect) error

SoftStretch has been replaced by BlitScaled(). (https://wiki.libsdl.org/SDL_SoftStretch)

func (*Surface) Unlock 

func (surface *Surface) Unlock()

Unlock releases the surface after directly accessing the pixels. (https://wiki.libsdl.org/SDL_UnlockSurface)

func (*Surface) UpperBlit 

func (surface *Surface) UpperBlit(srcRect *Rect, dst *Surface, dstRect *Rect) error

UpperBlit has been replaced by Blit(). (https://wiki.libsdl.org/SDL_UpperBlit)

func (*Surface) UpperBlitScaled 

func (surface *Surface) UpperBlitScaled(srcRect *Rect, dst *Surface, dstRect *Rect) error

UpperBlitScaled has been replaced by BlitScaled(). (https://wiki.libsdl.org/SDL_UpperBlitScaled)

type SysWMEvent 

type SysWMEvent struct {
	Type      uint32    // SYSWMEVENT
	Timestamp uint32    // timestamp of the event
	Msg       *SysWMmsg // driver dependent data, defined in SDL_syswm.h
}

SysWMEvent contains a video driver dependent system event. (https://wiki.libsdl.org/SDL_SysWMEvent)

func (*SysWMEvent) GetTimestamp 

func (e *SysWMEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*SysWMEvent) GetType 

func (e *SysWMEvent) GetType() uint32

GetType returns the event type.

type SysWMInfo 

type SysWMInfo struct {
	Version   Version // a Version structure that contains the current SDL version
	Subsystem uint32  // the windowing system type
	// contains filtered or unexported fields
}

SysWMInfo contains system-dependent information about a window. (https://wiki.libsdl.org/SDL_SysWMinfo)

func (*SysWMInfo) GetCocoaInfo 

func (info *SysWMInfo) GetCocoaInfo() *CocoaInfo

GetCocoaInfo returns Apple Mac OS X window information.

func (*SysWMInfo) GetDFBInfo 

func (info *SysWMInfo) GetDFBInfo() *DFBInfo

GetDFBInfo returns DirectFB window information.

func (*SysWMInfo) GetUIKitInfo 

func (info *SysWMInfo) GetUIKitInfo() *UIKitInfo

GetUIKitInfo returns Apple iOS window information.

func (*SysWMInfo) GetWindowsInfo 

func (info *SysWMInfo) GetWindowsInfo() *WindowsInfo

GetWindowsInfo returns Microsoft Windows window information.

func (*SysWMInfo) GetX11Info 

func (info *SysWMInfo) GetX11Info() *X11Info

GetX11Info returns X Window System window information.

type SysWMmsg 

type SysWMmsg struct {
	Version   Version // a Version structure that contains the current SDL version
	Subsystem uint32  // the windowing system type
	// contains filtered or unexported fields
}

SysWMmsg contains system-dependent window manager messages. (https://wiki.libsdl.org/SDL_SysWMmsg)

type SystemCursor 

type SystemCursor C.SDL_SystemCursor

SystemCursor is a system cursor created by CreateSystemCursor().

type TextEditingEvent 

type TextEditingEvent struct {
	Type      uint32                               // TEXTEDITING
	Timestamp uint32                               // timestamp of the event
	WindowID  uint32                               // the window with keyboard focus, if any
	Text      [C.SDL_TEXTINPUTEVENT_TEXT_SIZE]byte // the null-terminated editing text in UTF-8 encoding
	Start     int32                                // the location to begin editing from
	Length    int32                                // the number of characters to edit from the start point
}

TextEditingEvent contains keyboard text editing event information. (https://wiki.libsdl.org/SDL_TextEditingEvent)

func (*TextEditingEvent) GetText 

func (e *TextEditingEvent) GetText() string

GetText returns the text as string

func (*TextEditingEvent) GetTimestamp 

func (e *TextEditingEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*TextEditingEvent) GetType 

func (e *TextEditingEvent) GetType() uint32

GetType returns the event type.

type TextInputEvent 

type TextInputEvent struct {
	Type      uint32                               // TEXTINPUT
	Timestamp uint32                               // timestamp of the event
	WindowID  uint32                               // the window with keyboard focus, if any
	Text      [C.SDL_TEXTINPUTEVENT_TEXT_SIZE]byte // the null-terminated input text in UTF-8 encoding
}

TextInputEvent contains keyboard text input event information. (https://wiki.libsdl.org/SDL_TextInputEvent)

func (*TextInputEvent) GetText 

func (e *TextInputEvent) GetText() string

GetText returns the text as string

func (*TextInputEvent) GetTimestamp 

func (e *TextInputEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*TextInputEvent) GetType 

func (e *TextInputEvent) GetType() uint32

GetType returns the event type.

type Texture 

type Texture C.SDL_Texture

Texture contains an efficient, driver-specific representation of pixel data. (https://wiki.libsdl.org/SDL_Texture)

func (*Texture) Destroy 

func (texture *Texture) Destroy() error

Destroy destroys the specified texture. (https://wiki.libsdl.org/SDL_DestroyTexture)

func (*Texture) GLBind 

func (texture *Texture) GLBind(texw, texh *float32) error

GLBind binds an OpenGL/ES/ES2 texture to the current context for use with OpenGL instructions when rendering OpenGL primitives directly. (https://wiki.libsdl.org/SDL_GL_BindTexture)

func (*Texture) GLUnbind 

func (texture *Texture) GLUnbind() error

GLUnbind unbinds an OpenGL/ES/ES2 texture from the current context. (https://wiki.libsdl.org/SDL_GL_UnbindTexture)

func (*Texture) GetAlphaMod 

func (texture *Texture) GetAlphaMod() (alpha uint8, err error)

GetAlphaMod returns the additional alpha value multiplied into render copy operations. (https://wiki.libsdl.org/SDL_GetTextureAlphaMod)

func (*Texture) GetBlendMode 

func (texture *Texture) GetBlendMode() (bm BlendMode, err error)

GetBlendMode returns the blend mode used for texture copy operations. (https://wiki.libsdl.org/SDL_GetTextureBlendMode)

func (*Texture) Lock 

func (texture *Texture) Lock(rect *Rect) ([]byte, int, error)

Lock locks a portion of the texture for write-only pixel access. (https://wiki.libsdl.org/SDL_LockTexture)

func (*Texture) Query 

func (texture *Texture) Query() (format uint32, access int, width int32, height int32, err error)

Query returns the attributes of a texture. (https://wiki.libsdl.org/SDL_QueryTexture)

func (*Texture) SetAlphaMod 

func (texture *Texture) SetAlphaMod(alpha uint8) error

SetAlphaMod sets an additional alpha value multiplied into render copy operations. (https://wiki.libsdl.org/SDL_SetTextureAlphaMod)

func (*Texture) SetBlendMode 

func (texture *Texture) SetBlendMode(bm BlendMode) error

SetBlendMode sets the blend mode for a texture, used by Renderer.Copy(). (https://wiki.libsdl.org/SDL_SetTextureBlendMode)

func (*Texture) SetColorMod 

func (texture *Texture) SetColorMod(r uint8, g uint8, b uint8) error

SetColorMod sets an additional color value multiplied into render copy operations. (https://wiki.libsdl.org/SDL_SetTextureColorMod)

func (*Texture) Unlock 

func (texture *Texture) Unlock()

Unlock unlocks a texture, uploading the changes to video memory, if needed. (https://wiki.libsdl.org/SDL_UnlockTexture)

func (*Texture) Update 

func (texture *Texture) Update(rect *Rect, pixels []byte, pitch int) error

Update updates the given texture rectangle with new pixel data. (https://wiki.libsdl.org/SDL_UpdateTexture)

func (*Texture) UpdateRGBA 

func (texture *Texture) UpdateRGBA(rect *Rect, pixels []uint32, pitch int) error

UpdateRGBA updates the given texture rectangle with new uint32 pixel data. (https://wiki.libsdl.org/SDL_UpdateTexture)

func (*Texture) UpdateYUV 

func (texture *Texture) UpdateYUV(rect *Rect, yPlane []byte, yPitch int, uPlane []byte, uPitch int, vPlane []byte, vPitch int) error

UpdateYUV updates a rectangle within a planar YV12 or IYUV texture with new pixel data. (https://wiki.libsdl.org/SDL_UpdateYUVTexture)

type ThreadID 

type ThreadID uint64

ThreadID is the thread identifier for a thread.

type TouchFingerEvent 

type TouchFingerEvent struct {
	Type      uint32   // FINGERMOTION, FINGERDOWN, FINGERUP
	Timestamp uint32   // timestamp of the event
	TouchID   TouchID  // the touch device id
	FingerID  FingerID // the finger id
	X         float32  // the x-axis location of the touch event, normalized (0...1)
	Y         float32  // the y-axis location of the touch event, normalized (0...1)
	DX        float32  // the distance moved in the x-axis, normalized (-1...1)
	DY        float32  // the distance moved in the y-axis, normalized (-1...1)
	Pressure  float32  // the quantity of pressure applied, normalized (0...1)
}

TouchFingerEvent contains finger touch event information. (https://wiki.libsdl.org/SDL_TouchFingerEvent)

func (*TouchFingerEvent) GetTimestamp 

func (e *TouchFingerEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*TouchFingerEvent) GetType 

func (e *TouchFingerEvent) GetType() uint32

GetType returns the event type.

type TouchID 

type TouchID C.SDL_TouchID

TouchID is the ID of a touch device.

func GetTouchDevice 

func GetTouchDevice(index int) TouchID

GetTouchDevice returns the touch ID with the given index. (https://wiki.libsdl.org/SDL_GetTouchDevice)

type UIKitInfo 

type UIKitInfo struct {
	Window unsafe.Pointer // the UIKit window
}

UIKitInfo contains Apple iOS window information.

type UserEvent 

type UserEvent struct {
	Type      uint32         // value obtained from RegisterEvents()
	Timestamp uint32         // timestamp of the event
	WindowID  uint32         // the associated window, if any
	Code      int32          // user defined event code
	Data1     unsafe.Pointer // user defined data pointer
	Data2     unsafe.Pointer // user defined data pointer
}

UserEvent contains an application-defined event type. (https://wiki.libsdl.org/SDL_UserEvent)

func (*UserEvent) GetTimestamp 

func (e *UserEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*UserEvent) GetType 

func (e *UserEvent) GetType() uint32

GetType returns the event type.

type Version 

type Version struct {
	Major uint8 // major version
	Minor uint8 // minor version
	Patch uint8 // update version (patchlevel)
}

Version contains information about the version of SDL in use. (https://wiki.libsdl.org/SDL_version)

type Window 

type Window C.SDL_Window

Window is a type used to identify a window.

func CreateWindow 

func CreateWindow(title string, x, y, w, h int32, flags uint32) (*Window, error)

CreateWindow creates a window with the specified position, dimensions, and flags. (https://wiki.libsdl.org/SDL_CreateWindow)

func CreateWindowFrom 

func CreateWindowFrom(data unsafe.Pointer) (*Window, error)

CreateWindowFrom creates an SDL window from an existing native window. (https://wiki.libsdl.org/SDL_CreateWindowFrom)

func GetKeyboardFocus 

func GetKeyboardFocus() *Window

GetKeyboardFocus returns the window which currently has keyboard focus. (https://wiki.libsdl.org/SDL_GetKeyboardFocus)

func GetMouseFocus 

func GetMouseFocus() *Window

GetMouseFocus returns the window which currently has mouse focus. (https://wiki.libsdl.org/SDL_GetMouseFocus)

func GetWindowFromID 

func GetWindowFromID(id uint32) (*Window, error)

GetWindowFromID returns a window from a stored ID. (https://wiki.libsdl.org/SDL_GetWindowFromID)

func (*Window) Destroy 

func (window *Window) Destroy() error

Destroy destroys the window. (https://wiki.libsdl.org/SDL_DestroyWindow)

func (*Window) GLCreateContext 

func (window *Window) GLCreateContext() (GLContext, error)

GLCreateContext creates an OpenGL context for use with an OpenGL window, and make it current. (https://wiki.libsdl.org/SDL_GL_CreateContext)

func (*Window) GLGetDrawableSize 

func (window *Window) GLGetDrawableSize() (w, h int32)

GLGetDrawableSize returns the size of a window's underlying drawable in pixels (for use with glViewport). (https://wiki.libsdl.org/SDL_GL_GetDrawableSize)

func (*Window) GLMakeCurrent 

func (window *Window) GLMakeCurrent(glcontext GLContext) error

GLMakeCurrent sets up an OpenGL context for rendering into an OpenGL window. (https://wiki.libsdl.org/SDL_GL_MakeCurrent)

func (*Window) GLSwap 

func (window *Window) GLSwap()

GLSwap updates a window with OpenGL rendering. (https://wiki.libsdl.org/SDL_GL_SwapWindow)

func (*Window) GetBrightness 

func (window *Window) GetBrightness() float32

GetBrightness returns the brightness (gamma multiplier) for the display that owns the given window. (https://wiki.libsdl.org/SDL_GetWindowBrightness)

func (*Window) GetData 

func (window *Window) GetData(name string) unsafe.Pointer

GetData returns the data pointer associated with the window. (https://wiki.libsdl.org/SDL_GetWindowData)

func (*Window) GetDisplayIndex 

func (window *Window) GetDisplayIndex() (int, error)

GetDisplayIndex returns the index of the display associated with the window. (https://wiki.libsdl.org/SDL_GetWindowDisplayIndex)

func (*Window) GetDisplayMode 

func (window *Window) GetDisplayMode() (mode DisplayMode, err error)

GetDisplayMode fills in information about the display mode to use when the window is visible at fullscreen. (https://wiki.libsdl.org/SDL_GetWindowDisplayMode)

func (*Window) GetFlags 

func (window *Window) GetFlags() uint32

GetFlags returns the window flags. (https://wiki.libsdl.org/SDL_GetWindowFlags)

func (*Window) GetGammaRamp 

func (window *Window) GetGammaRamp() (red, green, blue *[256]uint16, err error)

GetGammaRamp returns the gamma ramp for the display that owns a given window. (https://wiki.libsdl.org/SDL_GetWindowGammaRamp)

func (*Window) GetGrab 

func (window *Window) GetGrab() bool

GetGrab returns the window's input grab mode. (https://wiki.libsdl.org/SDL_GetWindowGrab)

func (*Window) GetID 

func (window *Window) GetID() (uint32, error)

GetID returns the numeric ID of the window, for logging purposes. 

(https://wiki.libsdl.org/SDL_GetWindowID)

func (*Window) GetMaximumSize 

func (window *Window) GetMaximumSize() (w, h int32)

GetMaximumSize returns the maximum size of the window's client area. (https://wiki.libsdl.org/SDL_GetWindowMaximumSize)

func (*Window) GetMinimumSize 

func (window *Window) GetMinimumSize() (w, h int32)

GetMinimumSize returns the minimum size of the window's client area. (https://wiki.libsdl.org/SDL_GetWindowMinimumSize)

func (*Window) GetPixelFormat 

func (window *Window) GetPixelFormat() (uint32, error)

GetPixelFormat returns the pixel format associated with the window. (https://wiki.libsdl.org/SDL_GetWindowPixelFormat)

func (*Window) GetPosition 

func (window *Window) GetPosition() (x, y int32)

GetPosition returns the position of the window. (https://wiki.libsdl.org/SDL_GetWindowPosition)

func (*Window) GetRenderer 

func (window *Window) GetRenderer() (*Renderer, error)

GetRenderer returns the renderer associated with a window. (https://wiki.libsdl.org/SDL_GetRenderer)

func (*Window) GetSize 

func (window *Window) GetSize() (w, h int32)

GetSize returns the size of the window's client area. (https://wiki.libsdl.org/SDL_GetWindowSize)

func (*Window) GetSurface 

func (window *Window) GetSurface() (*Surface, error)

GetSurface returns the SDL surface associated with the window. (https://wiki.libsdl.org/SDL_GetWindowSurface)

func (*Window) GetTitle 

func (window *Window) GetTitle() string

GetTitle returns the title of the window. (https://wiki.libsdl.org/SDL_GetWindowTitle)

func (*Window) GetWMInfo 

func (window *Window) GetWMInfo() (*SysWMInfo, error)

GetWMInfo returns driver specific information about a window. (https://wiki.libsdl.org/SDL_GetWindowWMInfo)

func (*Window) GetWindowOpacity 

func (window *Window) GetWindowOpacity() (opacity float32, err error)

GetWindowOpacity returns the opacity of the window. (https://wiki.libsdl.org/SDL_GetWindowOpacity)

func (*Window) Hide 

func (window *Window) Hide()

Hide hides the window. (https://wiki.libsdl.org/SDL_HideWindow)

func (*Window) Maximize 

func (window *Window) Maximize()

Maximize makes the window as large as possible. (https://wiki.libsdl.org/SDL_MaximizeWindow)

func (*Window) Minimize 

func (window *Window) Minimize()

Minimize minimizes the window to an iconic representation. (https://wiki.libsdl.org/SDL_MinimizeWindow)

func (*Window) Raise 

func (window *Window) Raise()

Raise raises the window above other windows and set the input focus. (https://wiki.libsdl.org/SDL_RaiseWindow)

func (*Window) Restore 

func (window *Window) Restore()

Restore restores the size and position of a minimized or maximized window. (https://wiki.libsdl.org/SDL_RestoreWindow)

func (*Window) SetBordered 

func (window *Window) SetBordered(bordered bool)

SetBordered sets the border state of the window. (https://wiki.libsdl.org/SDL_SetWindowBordered)

func (*Window) SetBrightness 

func (window *Window) SetBrightness(brightness float32) error

SetBrightness sets the brightness (gamma multiplier) for the display that owns the given window. (https://wiki.libsdl.org/SDL_SetWindowBrightness)

func (*Window) SetData 

func (window *Window) SetData(name string, userdata unsafe.Pointer) unsafe.Pointer

SetData associates an arbitrary named pointer with the window. (https://wiki.libsdl.org/SDL_SetWindowData)

func (*Window) SetDisplayMode 

func (window *Window) SetDisplayMode(mode *DisplayMode) error

SetDisplayMode sets the display mode to use when the window is visible at fullscreen. (https://wiki.libsdl.org/SDL_SetWindowDisplayMode)

func (*Window) SetFullscreen 

func (window *Window) SetFullscreen(flags uint32) error

SetFullscreen sets the window's fullscreen state. (https://wiki.libsdl.org/SDL_SetWindowFullscreen)

func (*Window) SetGammaRamp 

func (window *Window) SetGammaRamp(red, green, blue *[256]uint16) error

SetGammaRamp sets the gamma ramp for the display that owns the given window. (https://wiki.libsdl.org/SDL_SetWindowGammaRamp)

func (*Window) SetGrab 

func (window *Window) SetGrab(grabbed bool)

SetGrab sets the window's input grab mode. (https://wiki.libsdl.org/SDL_SetWindowGrab)

func (*Window) SetIcon 

func (window *Window) SetIcon(icon *Surface)

SetIcon sets the icon for the window. (https://wiki.libsdl.org/SDL_SetWindowIcon)

func (*Window) SetMaximumSize 

func (window *Window) SetMaximumSize(maxW, maxH int32)

SetMaximumSize sets the maximum size of the window's client area. (https://wiki.libsdl.org/SDL_SetWindowMaximumSize)

func (*Window) SetMinimumSize 

func (window *Window) SetMinimumSize(minW, minH int32)

SetMinimumSize sets the minimum size of the window's client area. (https://wiki.libsdl.org/SDL_SetWindowMinimumSize)

func (*Window) SetPosition 

func (window *Window) SetPosition(x, y int32)

SetPosition sets the position of the window. (https://wiki.libsdl.org/SDL_SetWindowPosition)

func (*Window) SetResizable 

func (window *Window) SetResizable(resizable bool)

SetResizable sets the user-resizable state of the window. (https://wiki.libsdl.org/SDL_SetWindowResizable)

func (*Window) SetSize 

func (window *Window) SetSize(w, h int32)

SetSize sets the size of the window's client area. (https://wiki.libsdl.org/SDL_SetWindowSize)

func (*Window) SetTitle 

func (window *Window) SetTitle(title string)

SetTitle sets the title of the window. (https://wiki.libsdl.org/SDL_SetWindowTitle)

func (*Window) SetWindowOpacity 

func (window *Window) SetWindowOpacity(opacity float32) error

SetWindowOpacity sets the opacity of the window. (https://wiki.libsdl.org/SDL_SetWindowOpacity)

func (*Window) Show 

func (window *Window) Show()

Show shows the window. (https://wiki.libsdl.org/SDL_ShowWindow)

func (*Window) UpdateSurface 

func (window *Window) UpdateSurface() error

UpdateSurface copies the window surface to the screen. (https://wiki.libsdl.org/SDL_UpdateWindowSurface)

func (*Window) UpdateSurfaceRects 

func (window *Window) UpdateSurfaceRects(rects []Rect) error

UpdateSurfaceRects copies areas of the window surface to the screen. (https://wiki.libsdl.org/SDL_UpdateWindowSurfaceRects)

func (*Window) VulkanCreateSurface 

func (window *Window) VulkanCreateSurface(instance interface{}) (surface unsafe.Pointer, err error)

VulkanCreateSurface creates a Vulkan rendering surface for a window. (https://wiki.libsdl.org/SDL_Vulkan_CreateSurface)

func (*Window) VulkanGetDrawableSize 

func (window *Window) VulkanGetDrawableSize() (w, h int32)

VulkanGetDrawableSize gets the size of a window's underlying drawable in pixels (for use with setting viewport, scissor & etc). (https://wiki.libsdl.org/SDL_Vulkan_GetDrawableSize)

func (*Window) VulkanGetInstanceExtensions 

func (window *Window) VulkanGetInstanceExtensions() []string

VulkanGetInstanceExtensions gets the names of the Vulkan instance extensions needed to create a surface with VulkanCreateSurface(). (https://wiki.libsdl.org/SDL_Vulkan_GetInstanceExtensions)

func (*Window) WarpMouseInWindow 

func (window *Window) WarpMouseInWindow(x, y int32)

WarpMouseInWindow moves the mouse to the given position within the window. (https://wiki.libsdl.org/SDL_WarpMouseInWindow)

type WindowEvent 

type WindowEvent struct {
	Type      uint32 // WINDOWEVENT
	Timestamp uint32 // timestamp of the event
	WindowID  uint32 // the associated window
	Event     uint8  // (https://wiki.libsdl.org/SDL_WindowEventID)

	Data1 int32 // event dependent data
	Data2 int32 // event dependent data
	// contains filtered or unexported fields
}

WindowEvent contains window state change event data. (https://wiki.libsdl.org/SDL_WindowEvent)

func (*WindowEvent) GetTimestamp 

func (e *WindowEvent) GetTimestamp() uint32

GetTimestamp returns the timestamp of the event.

func (*WindowEvent) GetType 

func (e *WindowEvent) GetType() uint32

GetType returns the event type.

type WindowsInfo 

type WindowsInfo struct {
	Window unsafe.Pointer // the window handle
}

WindowsInfo contains Microsoft Windows window information.

type X11Info 

type X11Info struct {
	Display unsafe.Pointer // the X11 display
	Window  uint           // the X11 window
}

X11Info contains X Window System window information.

type YUV_CONVERSION_MODE 

type YUV_CONVERSION_MODE C.SDL_YUV_CONVERSION_MODE

func GetYUVConversionMode 

func GetYUVConversionMode() YUV_CONVERSION_MODE

GetYUVConversionMode gets the YUV conversion mode TODO: (https://wiki.libsdl.org/SDL_GetYUVConversionMode)

func GetYUVConversionModeForResolution 

func GetYUVConversionModeForResolution(width, height int) YUV_CONVERSION_MODE

GetYUVConversionModeForResolution gets the YUV conversion mode TODO: (https://wiki.libsdl.org/SDL_GetYUVConversionModeForResolution)

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