private void FillOpenType(TinyFont font)
{
HashSet <ushort> userGlyphs = new HashSet <ushort>();
foreach (CharacterImportInfo info in EnumerateAllImports())
{
if (info.Mapping.Glyph.HasValue)
{
userGlyphs.Add(info.Mapping.Glyph.Value);
}
}
Dictionary <ushort, BuilderState> allGeneratedGlyphs = new Dictionary <ushort, BuilderState>();
foreach (FeatureImportInfo feature in _features.Where(f => f.Type == FeatureImportType.Substitution))
{
foreach (ushort generatedGlyph in _compiler.GetGeneratedGlyphIds(feature.BuilderState.GlyphTypeface, feature.Script, feature.Language, feature.Feature))
{
allGeneratedGlyphs[generatedGlyph] = feature.BuilderState;
}
}
GlyphClassesAppendix classes = font.GetOrAddNewAppendix <GlyphClassesAppendix>();
SubstitutionAppendix substitution = font.GetOrAddNewAppendix <SubstitutionAppendix>();
PositioningAppendix positioning = font.GetOrAddNewAppendix <PositioningAppendix>();
Dictionary <ushort, BuilderState> glyphsToAdd = new Dictionary <ushort, BuilderState>();
foreach (FeatureImportInfo feature in _features.Where(f => f.Type == FeatureImportType.Substitution))
{
foreach (ushort generatedGlyph in _compiler.CompileFeature(feature.BuilderState.GlyphTypeface, feature.Script, feature.Language, feature.Feature, substitution, classes, allGeneratedGlyphs.Keys.Concat(userGlyphs)))
{
glyphsToAdd[generatedGlyph] = feature.BuilderState;
}
}
foreach (KeyValuePair <ushort, BuilderState> toAddPair in glyphsToAdd)
{
if (!userGlyphs.Contains(toAddPair.Key))
{
int character;
if (toAddPair.Value.GlyphToCharacterMap.TryGetValue(toAddPair.Key, out character))
{
_characterImportList[character] = new CharacterImportInfo(toAddPair.Value, new CharacterGlyphPair(character, toAddPair.Key));
}
else if (toAddPair.Key < toAddPair.Value.GlyphTypeface.GlyphCount)
{
_glyphImportList.Add(new CharacterImportInfo(toAddPair.Value, new CharacterGlyphPair(null, toAddPair.Key)));
}
userGlyphs.Add(toAddPair.Key);
}
}
foreach (FeatureImportInfo feature in _features.Where(f => f.Type == FeatureImportType.Positioning))
{
_compiler.CompileFeature(feature.BuilderState.GlyphTypeface, feature.Script, feature.Language, feature.Feature, positioning, classes, allGeneratedGlyphs.Keys.Concat(userGlyphs), feature.BuilderState.EmSize);
}
}
/// <summary>
/// Gets glyphs within this coverage.
/// </summary>
/// <param name="appendix"><see cref="GlyphClassesAppendix"/> containing this coverage.</param>
/// <returns>Glyph's ID.</returns>
public IEnumerable <int> GetGlyphs(GlyphClassesAppendix appendix)
{
if (_offset < 0 || _offset + _count > appendix.CoverageGlyphs.Count)
{
throw new InvalidOperationException("Out of range.");
}
for (int i = 0; i < _count; i++)
{
yield return(appendix.CoverageGlyphs[i + _offset]);
}
}
