Text

Fonts & Text support.

Glyph Containers & Processing

• TBLGlyphBuffer - holds glyphs and additional metadata.
• TBLGlyphRun - provides a glyph run data.
• TBLGlyphRunFlags - flags used by TBLGlyphRun.
• TBLGlyphRunIterator - iterates a TBLGlyphRun.
• TBLGlyphId - a type representing a single glyph (32-bit value).
• TBLGlyphInfo - glyph information used by TBLGlyphBuffer and TBLGlyphRun.
• TBLGlyphMappingState - information accumulated during mapping characters to glyphs.
• TBLGlyphPlacement - glyph placement used by TBLGlyphBuffer and TBLGlyphRun.
• TBLGlyphPlacementType - glyph placement type used by TBLGlyphBuffer and TBLGlyphRun.

Fonts

• TBLFont - represents a displayable font (having size, font properties, and variations configured).
• TBLFontMatrix - a simple matrix that can be used to transform a font, used by TBLFont.
• TBLFontMetrics - font metrics, used by TBLFont.
• TBLFontStretch - font stretch property, used by TBLFont.
• TBLFontStyle - font style property, used by TBLFont.
• TBLFontWeight - font weight property, used by TBLFont.
• TBLFontData - provides font data that can be used by TBLFont and TBLFontFace.
• TBLFontDataFlags - Flags used by TBLFontData.
• TBLFontTable - represents a TrueType/OpenType table identified by a TBLTag.
• TBLFontFace - represents a font face (OpenType file loaded from file or memory).
• TBLFontFaceInfo - font face information, used by TBLFontFace.
• TBLFontFaceFlags - flags used by TBLFontFace.
• TBLFontFaceDiagFlags - diagnostic flags used by TBLFontFace.
• TBLFontFaceType - type of a font face, provided by TBLFontFace.
• TBLFontDesignMetrics - design font metrics, used by TBLFontFace.
• TBLFontOutlineType - type of outlines used by a font, used by TBLFontFace.
• TBLFontPanose - panose information, provided by TBLFontFace.
• TBLFontUnicodeCoverage - unicode coverage bits, provided by by TBLFontFace.
• TBLFontFeatureSettings - provides feature settings of a TBLFont.
• TBLFontFeatureSettingsView - view of TBLFontFeatureSettings.
• TBLFontFeatureItem - associates a font feature tag (TBLTag) with a value.
• TBLFontVariationSettings - provides variation settings of a TBLFont.
• TBLFontVariationSettingsView - view of TBLFontVariationSettings.
• TBLFontVariationItem - associates a font variation tag (TBLTag) with a value.

Font Management

• TBLFontManager - simple font management that can store and query TBLFontFace instances.
• TBLFontQueryProperties - font query properties, used by TBLFontManager.

Text

• TBLOrientation - text or glyph run orientation.
• TBLTextDirection - specifies text direction.
• TBLTextEncoding - specifies text encoding.
• TBLTextMetrics - metrics of a whole text run.