paint

Oct 19, 2026

Changes in this version

+ type Canvas interface

+ Clip func(p *Path, evenOdd bool)

+ Fill func(p *Path, c css.Color, evenOdd bool)

+ Glyphs func(run *GlyphRun)

+ Image func(img image.Image, dst Rect)

+ Restore func()

+ Save func()

+ Shade func(s Shading)

+ type Glyph struct

+ ID opentype.GlyphIndex

+ Text string

+ X float64

+ type GlyphRun struct

+ Color css.Color

+ Font *opentype.Font

+ Glyphs []Glyph

+ Invisible bool

+ Size float64

+ X float64

+ Y float64

+ type GradientStop struct

+ Color css.Color

+ Pos float64

+ type Path struct

+ Ops []PathOp

+ func (p *Path) Close()

+ func (p *Path) CubeTo(x1, y1, x2, y2, x3, y3 float64)

+ func (p *Path) Ellipse(r Rect)

+ func (p *Path) LineTo(x, y float64)

+ func (p *Path) MoveTo(x, y float64)

+ func (p *Path) RoundRect(r Rect, rad float64)

+ type PathOp struct

+ Kind PathOpKind

+ P [3]Point

+ type PathOpKind uint8

+ const PathClose

+ const PathCubeTo

+ const PathLineTo

+ const PathMoveTo

+ type Point struct

+ X float64

+ Y float64

+ type Rect struct

+ H float64

+ W float64

+ X float64

+ Y float64

+ type Shading struct

+ CX float64

+ CY float64

+ ExtendEnd bool

+ ExtendStart bool

+ R0 float64

+ R1 float64

+ RX float64

+ RY float64

+ Radial bool

+ Stops []GradientStop

+ X0 float64

+ X1 float64

+ Y0 float64

+ Y1 float64

+ type VectorStats struct

+ Glyphs int

+ Images int

+ RasterPixels int

+ Rasterized int

+ Skipped int

+ func PaintVector(c Canvas, box *layout.Box, f *Fonts, imgs map[*dom.Node]image.Image, ...) VectorStats

Oct 18, 2026

Changes in this version

type Fonts

+ func (f *Fonts) RegisterFont(family string, weight int, italic bool, ft *opentype.Font) error

Oct 4, 2026

Changes in this version

+ func FontFamilyOf(g css.Generic) css.FontFamily

type Fonts

+ func (f *Fonts) Register(family string, weight int, italic bool, sfnt []byte) error

+ func (f *Fonts) Registered(family string) bool

+ func (f *Fonts) Runs(s string, fam css.FontFamily, weight int, italic bool) []Run

+ type Run struct

+ Fallback bool

+ Text string

Aug 7, 2026

Changes in this version

+ func Paint(dst *image.RGBA, box *layout.Box, f *Fonts, imgs map[*dom.Node]image.Image)

+ func PaintFull(dst *image.RGBA, box *layout.Box, f *Fonts, imgs map[*dom.Node]image.Image, ...)

+ type Fonts struct

+ func NewFonts() *Fonts

+ func (f *Fonts) Measure(text string, fam css.FontFamily, sizePx float64, weight int, italic bool) float64

+ func (f *Fonts) Metrics(fam css.FontFamily, sizePx float64, weight int, italic bool) (ascent, lineHeight float64)