opentype

Documentation

Overview

Package opentype implements text layout and shaping for OpenType files.

Index

• type Font
  • func Parse(src []byte) (*Font, error)
  • func (f *Font) Layout(ppem fixed.Int26_6, maxWidth int, lc system.Locale, txt io.RuneReader) ([]text.Line, error)
  • func (f *Font) Metrics(ppem fixed.Int26_6) font.Metrics
  • func (f *Font) Shape(ppem fixed.Int26_6, str text.Layout) clip.PathSpec

Types

type Font

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

Font implements the text.Shaper interface using a rich text shaping engine.

func Parse

func Parse(src []byte) (*Font, error)

Parse constructs a Font from source bytes.

func (*Font) Layout

func (f *Font) Layout(ppem fixed.Int26_6, maxWidth int, lc system.Locale, txt io.RuneReader) ([]text.Line, error)

func (*Font) Metrics

func (f *Font) Metrics(ppem fixed.Int26_6) font.Metrics

func (*Font) Shape

func (f *Font) Shape(ppem fixed.Int26_6, str text.Layout) clip.PathSpec