bitmap

Documentation

Index

• type BinaryImage
  • func NewBinaryImage(bits []byte, width, height int) *BinaryImage
  • func (b *BinaryImage) At(i, j int) color.Color
  • func (b *BinaryImage) Bounds() image.Rectangle
  • func (b *BinaryImage) ColorModel() color.Model
  • func (b *BinaryImage) SubImage(r image.Rectangle) image.Image
• type Face
  • func NewFace(image *BinaryImage, dotX, dotY fixed.Int26_6, eastAsiaWide bool) *Face
  • func (f *Face) Close() error
  • func (f *Face) Glyph(dot fixed.Point26_6, r rune) (dr image.Rectangle, mask image.Image, maskp image.Point, advance fixed.Int26_6, ...)
  • func (f *Face) GlyphAdvance(r rune) (advance fixed.Int26_6, ok bool)
  • func (f *Face) GlyphBounds(r rune) (bounds fixed.Rectangle26_6, advance fixed.Int26_6, ok bool)
  • func (f *Face) Kern(r0, r1 rune) fixed.Int26_6
  • func (f *Face) Metrics() font.Metrics

Types

type BinaryImage

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

func NewBinaryImage

func NewBinaryImage(bits []byte, width, height int) *BinaryImage

func (*BinaryImage) At

func (b *BinaryImage) At(i, j int) color.Color

func (*BinaryImage) Bounds

func (b *BinaryImage) Bounds() image.Rectangle

func (*BinaryImage) ColorModel

func (b *BinaryImage) ColorModel() color.Model

func (*BinaryImage) SubImage

func (b *BinaryImage) SubImage(r image.Rectangle) image.Image

type Face

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

func NewFace

func NewFace(image *BinaryImage, dotX, dotY fixed.Int26_6, eastAsiaWide bool) *Face

func (*Face) Close

func (f *Face) Close() error

func (*Face) Glyph

func (f *Face) Glyph(dot fixed.Point26_6, r rune) (dr image.Rectangle, mask image.Image, maskp image.Point, advance fixed.Int26_6, ok bool)

func (*Face) GlyphAdvance

func (f *Face) GlyphAdvance(r rune) (advance fixed.Int26_6, ok bool)

func (*Face) GlyphBounds

func (f *Face) GlyphBounds(r rune) (bounds fixed.Rectangle26_6, advance fixed.Int26_6, ok bool)

func (*Face) Kern

func (f *Face) Kern(r0, r1 rune) fixed.Int26_6

func (*Face) Metrics

func (f *Face) Metrics() font.Metrics