igfx

Documentation

Index

• Constants
• Variables
• func LoadFontLocal(location string, size float64) (font.Face, error)
• func LoadImgLocal(location string) (image.Image, error)
• func LoadImgURL(url string) (image.Image, error)
• type GfxDesign
  • func InitializeFromImage(img image.Image) *GfxDesign
  • func (gfx *GfxDesign) CreateCardByTemplate(inputs ...interface{}) (image.Image, error)
  • func (gfx *GfxDesign) DrawImage(img image.Image, scaleMethod uint8, w, h, x, y int)
  • func (gfx *GfxDesign) DrawText(fontFace font.Face, fontColor color.Color, x, y int, text string) error
• type ImageInput
• type TextInput

Constants

const (
	ScaleNearestNeighbor = iota
	ScaleBilinear
)

Variables

var (
	ErrFontLoadFailed  = errors.New("Failed to load Font")
	ErrFontParseFailed = errors.New("Failed to parse font")
	ErrFontFaceFailed  = errors.New("Failed to generate font face")
)

var (
	ErrImageLoadFailed        = errors.New("Failed to load image file")
	ErrImageDecodeFailed      = errors.New("Failed to decode image")
	ErrImageFormatUnsupported = errors.New("Image format is not supported")
	ErrImageFetchFailed       = errors.New("Failed to fetch image from URL")
)

Functions

func LoadFontLocal

func LoadFontLocal(location string, size float64) (font.Face, error)

func LoadImgLocal

func LoadImgLocal(location string) (image.Image, error)

func LoadImgURL

func LoadImgURL(url string) (image.Image, error)

Types

type GfxDesign

type GfxDesign struct {
	Image image.Image
}

func InitializeFromImage

func InitializeFromImage(img image.Image) *GfxDesign

func (*GfxDesign) CreateCardByTemplate

func (gfx *GfxDesign) CreateCardByTemplate(inputs ...interface{}) (image.Image, error)

func (*GfxDesign) DrawImage

func (gfx *GfxDesign) DrawImage(img image.Image, scaleMethod uint8, w, h, x, y int)

func (*GfxDesign) DrawText

func (gfx *GfxDesign) DrawText(fontFace font.Face, fontColor color.Color, x, y int, text string) error

type ImageInput

type ImageInput struct {
	Image    image.Image
	Width    int
	Height   int
	XPadding int
	YPadding int
}

type TextInput

type TextInput struct {
	Text     string
	X        int
	Y        int
	TextFace font.Face
	Color    color.Color
}