graphics

Documentation

Index

• Constants
• func CopyImage(origImg image.Image) *image.RGBA
• func FlushCommands() error
• func NextPowerOf2Int(x int) int
• func QuadVertexSizeInBytes() int
• func Reset() error
• type Image
  • func NewImage(width, height int, filter opengl.Filter) *Image
  • func NewImageFromImage(img *image.RGBA, width, height int, filter opengl.Filter) *Image
  • func NewScreenFramebufferImage(width, height int) *Image
  • func (i *Image) Dispose()
  • func (i *Image) DrawImage(src *Image, vertices []float32, clr *affine.ColorM, mode opengl.CompositeMode)
  • func (i *Image) Fill(clr color.RGBA)
  • func (i *Image) IsInvalidated() bool
  • func (i *Image) Pixels() ([]uint8, error)
  • func (i *Image) ReplacePixels(p []uint8)
  • func (i *Image) Size() (int, int)

Constants

const MaxImageSize = viewportSize

Functions

func CopyImage

func CopyImage(origImg image.Image) *image.RGBA

func FlushCommands

func FlushCommands() error

func NextPowerOf2Int

func NextPowerOf2Int(x int) int

func QuadVertexSizeInBytes

func QuadVertexSizeInBytes() int

func Reset

func Reset() error

Types

type Image

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

func NewImage

func NewImage(width, height int, filter opengl.Filter) *Image

func NewImageFromImage

func NewImageFromImage(img *image.RGBA, width, height int, filter opengl.Filter) *Image

func NewScreenFramebufferImage

func NewScreenFramebufferImage(width, height int) *Image

func (*Image) Dispose

func (i *Image) Dispose()

func (*Image) DrawImage

func (i *Image) DrawImage(src *Image, vertices []float32, clr *affine.ColorM, mode opengl.CompositeMode)

func (*Image) Fill

func (i *Image) Fill(clr color.RGBA)

func (*Image) IsInvalidated

func (i *Image) IsInvalidated() bool

func (*Image) Pixels

func (i *Image) Pixels() ([]uint8, error)

func (*Image) ReplacePixels

func (i *Image) ReplacePixels(p []uint8)

func (*Image) Size

func (i *Image) Size() (int, int)