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);
}
