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);
}
}
private void FillVerticalMetrics(TinyFont font)
{
GlyphMetadataAppendix metadata = font.GetOrAddNewAppendix <GlyphMetadataAppendix>();
List <sbyte> marginTop = new List <sbyte>();
List <sbyte> marginBottom = new List <sbyte>();
foreach (CharacterImportInfo info in from import in _characterImportList.Values
orderby import.Mapping.Character
select import)
{
marginTop.Add(Helper.FitIntoInt8(info.EmSideBearing.Top, Trace));
marginBottom.Add(Helper.FitIntoInt8(info.EmSideBearing.Bottom, Trace));
}
foreach (CharacterImportInfo info in _glyphImportList)
{
marginTop.Add(Helper.FitIntoInt8(info.EmSideBearing.Top, Trace));
marginBottom.Add(Helper.FitIntoInt8(info.EmSideBearing.Bottom, Trace));
}
GlyphMetadataAppendix.MetadataSetOffset offsetTop = new GlyphMetadataAppendix.MetadataSetOffset();
offsetTop.Id = GlyphMetadataAppendix.MarginTopSet;
offsetTop.Bits = GlyphMetadataAppendix.MetadataSetBitLength.Eight;
metadata.Sets.Add(marginTop.Select(m => (byte)m).ToArray());
metadata.SetsOffsets.Add(offsetTop);
GlyphMetadataAppendix.MetadataSetOffset offsetBottom = new GlyphMetadataAppendix.MetadataSetOffset();
offsetBottom.Id = GlyphMetadataAppendix.MarginBottomSet;
offsetBottom.Bits = GlyphMetadataAppendix.MetadataSetBitLength.Eight;
metadata.Sets.Add(marginBottom.Select(m => (byte)m).ToArray());
metadata.SetsOffsets.Add(offsetBottom);
}
private void FillGraphemeClusterBoundaries(TinyFont font)
{
GlyphMetadataAppendix metadata = font.GetOrAddNewAppendix <GlyphMetadataAppendix>();
byte[] clusterBoundaries = Resources.GraphemeBreakProperty;
BitArray data = new BitArray(0);
foreach (CharacterInfo info in font.EnumerateAllCharacterInfos())
{
byte property = FindClusterProperty(clusterBoundaries, info.Codepoint);
data.AppendLsb(property, 4);
}
byte[] setData = new byte[(data.Length + 7) / 8];
data.CopyTo(setData, 0);
metadata.Sets.Add(setData);
GlyphMetadataAppendix.MetadataSetOffset offset = new GlyphMetadataAppendix.MetadataSetOffset();
offset.Id = GlyphMetadataAppendix.GraphemeSet;
offset.Bits = GlyphMetadataAppendix.MetadataSetBitLength.Four;
metadata.SetsOffsets.Add(offset);
}
