Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security Policy
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

shaping

package

Go to main page

Versions in this module

v0

v0.2.1

Dec 17, 2024

Changes in this version

type Output

+ VisualIndex int32

type WrapConfig

+ Direction di.Direction

+ DisableTrailingWhitespaceTrim bool

v0.2.0

May 22, 2024

Changes in this version

+ func AddSpacing(runs []Output, text []rune, wordSpacing, letterSpacing fixed.Int26_6)

type Output

+ func (run *Output) AddLetterSpacing(additionalSpacing fixed.Int26_6, isStartRun, isEndRun bool)

+ func (run *Output) AddWordSpacing(text []rune, additionalSpacing fixed.Int26_6)

v0.1.2

Apr 2, 2024

v0.1.1

Mar 29, 2024

v0.1.0

Dec 26, 2023

Changes in this version

+ type Bounds struct

+ Ascent fixed.Int26_6

+ Descent fixed.Int26_6

+ Gap fixed.Int26_6

+ func (b Bounds) LineThickness() fixed.Int26_6

+ type FontFeature struct

+ Tag loader.Tag

+ Value uint32

+ type Fontmap interface

+ ResolveFace func(r rune) font.Face

+ type Glyph struct

+ ClusterIndex int

+ GlyphCount int

+ GlyphID font.GID

+ Height fixed.Int26_6

+ Mask font.GlyphMask

+ RuneCount int

+ Width fixed.Int26_6

+ XAdvance fixed.Int26_6

+ XBearing fixed.Int26_6

+ XOffset fixed.Int26_6

+ YAdvance fixed.Int26_6

+ YBearing fixed.Int26_6

+ YOffset fixed.Int26_6

+ func (g Glyph) LeftSideBearing() fixed.Int26_6

+ func (g Glyph) RightSideBearing() fixed.Int26_6

+ type HarfbuzzShaper struct

+ func (h *HarfbuzzShaper) SetFontCacheSize(size int)

+ func (t *HarfbuzzShaper) Shape(input Input) Output

+ type Input struct

+ Direction di.Direction

+ Face font.Face

+ FontFeatures []FontFeature

+ Language language.Language

+ RunEnd int

+ RunStart int

+ Script language.Script

+ Size fixed.Int26_6

+ Text []rune

+ func SplitByFace(input Input, availableFaces Fontmap) []Input

+ func SplitByFontGlyphs(input Input, availableFaces []font.Face) []Input

+ type Line []Output

+ func (l Line) AdjustBaselines()

+ type LineBreakPolicy uint8

+ const Always

+ const Never

+ const WhenNecessary

+ func (l LineBreakPolicy) String() string

+ type LineWrapper struct

+ func (l *LineWrapper) Prepare(config WrapConfig, paragraph []rune, runs RunIterator)

+ func (l *LineWrapper) WrapNextLine(maxWidth int) (out WrappedLine, done bool)

+ func (l *LineWrapper) WrapParagraph(config WrapConfig, maxWidth int, paragraph []rune, runs RunIterator) (_ []Line, truncated int)

+ type Output struct

+ Advance fixed.Int26_6

+ Direction di.Direction

+ Face font.Face

+ GlyphBounds Bounds

+ Glyphs []Glyph

+ LineBounds Bounds

+ Runes Range

+ Size fixed.Int26_6

+ func (o *Output) FromFontUnit(v float32) fixed.Int26_6

+ func (o *Output) RecalculateAll()

+ func (o *Output) RecomputeAdvance()

+ func (o *Output) ToFontUnit(v fixed.Int26_6) float32

+ type Range struct

+ Count int

+ Offset int

+ type RunIterator interface

+ Next func() (index int, run Output, isValid bool)

+ Peek func() (index int, run Output, isValid bool)

+ Restore func()

+ Save func()

+ func NewSliceIterator(outs []Output) RunIterator

+ type Segmenter struct

+ func (seg *Segmenter) Split(text Input, faces Fontmap) []Input

+ type Shaper interface

+ Shape func(Input) Output

+ type WrapConfig struct

+ BreakPolicy LineBreakPolicy

+ TextContinues bool

+ TruncateAfterLines int

+ Truncator Output

+ func (w WrapConfig) WithTruncator(shaper Shaper, input Input) WrapConfig

+ type WrappedLine struct

+ Line Line

+ NextLine int

+ Truncated int