harfbuzz

May 16, 2022

Changes in this version

type Buffer

+ func (b *Buffer) GuessSegmentProperties()

Dec 16, 2021

Changes in this version

+ const DefaultLanguageIndex

+ const NoFeatureIndex

+ const NoScriptIndex

+ func FindFeatureForLang(table *tt.TableLayout, scriptIndex, languageIndex int, featureTag tt.Tag) uint16

+ func IsDefaultIgnorable(ch rune) bool

+ func NewOTTag(a, b, c, d byte) tt.Tag

+ func NewOTTagsFromScriptAndLanguage(script language.Script, language language.Language) (scriptTags, languageTags []tt.Tag)

+ func SelectLanguage(table *tt.TableLayout, scriptIndex int, languageTags []tt.Tag) (int, bool)

+ func SelectScript(table *tt.TableLayout, scriptTags []tt.Tag) (int, tt.Tag, bool)

type Font

+ func (f *Font) GetOTLayoutTables() *tt.LayoutTables

Nov 3, 2021

Changes in this version

type Buffer

+ NotFound fonts.GID

Oct 14, 2021

Changes in this version

type FaceOpentype

+ GetGlyphContourPoint func(glyph fonts.GID, pointIndex uint16) (x, y int32, ok bool)

+ VariationGlyph func(ch, varSelector rune) (fonts.GID, bool)

type Font

+ func (f *Font) GetOTGlyphClass(glyph fonts.GID) uint32

+ func (f *Font) GetOTLigatureCarets(direction Direction, glyph fonts.GID) []Position

Jun 5, 2021

Changes in this version

+ const FeatureGlobalEnd

+ const FeatureGlobalStart

+ var UniscribeBugCompatible = false

+ func ParseVariation(s string) (tt.Variation, error)

+ type Buffer struct

+ ClusterLevel ClusterLevel

+ Flags ShappingOptions

+ Info []GlyphInfo

+ Invisible fonts.GID

+ Pos []GlyphPosition

+ Props SegmentProperties

+ func NewBuffer() *Buffer

+ func (b *Buffer) AddRune(codepoint rune, cluster int)

+ func (b *Buffer) AddRunes(text []rune, itemOffset, itemLength int)

+ func (b *Buffer) Clear()

+ func (b *Buffer) Reverse()

+ func (b *Buffer) Shape(font *Font, features []Feature)

+ type ClusterLevel uint8

+ const Characters

+ const MonotoneCharacters

+ const MonotoneGraphemes

+ func (cl ClusterLevel) String() string

+ type Direction uint8

+ const BottomToTop

+ const LeftToRight

+ const RightToLeft

+ const TopToBottom

+ func (dir Direction) Reverse() Direction

+ type Face = fonts.FaceLayout

+ type FaceMetricsOpentype interface

+ GetGlyphContourPoint func(glyph fonts.GID, pointIndex uint16) (x, y Position, ok bool)

+ type FaceOpentype interface

+ IsGraphite func() (bool, *truetype.Font)

+ LayoutTables func() truetype.LayoutTables

+ type Feature struct

+ End int

+ Start int

+ Tag tt.Tag

+ Value uint32

+ func ParseFeature(feature string) (Feature, error)

+ type Font struct

+ Ptem float32

+ XPpem uint16

+ XScale int32

+ YPpem uint16

+ YScale int32

+ func NewFont(face Face) *Font

+ func (f *Font) ExtentsForDirection(direction Direction) fonts.FontExtents

+ func (f *Font) Face() fonts.FaceMetrics

+ func (f *Font) GlyphAdvanceForDirection(glyph fonts.GID, dir Direction) (x, y Position)

+ func (f *Font) GlyphExtents(glyph fonts.GID) (out GlyphExtents, ok bool)

+ func (f *Font) GlyphHAdvance(glyph fonts.GID) Position

+ func (f *Font) LineMetric(metric fonts.LineMetric) (int32, bool)

+ func (f *Font) SetVarCoordsDesign(coords []float32)

+ type GlyphExtents struct

+ Height int32

+ Width int32

+ XBearing int32

+ YBearing int32

+ type GlyphInfo struct

+ Cluster int

+ Glyph fonts.GID

+ Mask GlyphMask

+ func (info GlyphInfo) String() string

+ type GlyphMask = uint32

+ const GlyphUnsafeToBreak

+ type GlyphPosition struct

+ XAdvance Position

+ XOffset Position

+ YAdvance Position

+ YOffset Position

+ type Position = int32

+ type SegmentProperties struct

+ Direction Direction

+ Language language.Language

+ Script language.Script

+ type ShappingOptions uint16

+ const Bot

+ const DoNotinsertDottedCircle

+ const Eot

+ const PreserveDefaultIgnorables

+ const RemoveDefaultIgnorables