/// <summary>
/// Writes the font subset to the supplied output stream.
/// </summary>
public void Generate(MemoryStream output)
{
HeaderTable head = reader.GetHeaderTable();
MaximumProfileTable maxp = reader.GetMaximumProfileTable();
HorizontalHeaderTable hhea = reader.GetHorizontalHeaderTable();
ControlValueTable cvt = reader.GetControlValueTable();
FontProgramTable fpgm = reader.GetFontProgramTable();
GlyfDataTable glyf = reader.GetGlyfDataTable();
ControlValueProgramTable prep = reader.GetControlValueProgramTable();
IndexToLocationTable loca = CreateLocaTable(glyf);
HorizontalMetricsTable hmtx = CreateHmtxTable(glyf);
// Since we're reusing the hhea and maxp tables, we must update
// the numberOfHMetrics and numGlyphs fields to reflect the reduced
// number of glyphs.
maxp.GlyphCount = glyf.Count;
hhea.HMetricCount = glyf.Count;
FontFileWriter writer = new FontFileWriter(output);
writer.Write(head);
writer.Write(maxp);
writer.Write(hhea);
writer.Write(hmtx);
writer.Write(cvt);
writer.Write(prep);
writer.Write(fpgm);
writer.Write(loca);
writer.Write(glyf);
writer.Close();
}
protected internal override void Write(FontFileWriter writer)
{
FontFileStream stream = writer.Stream;
// These two fields are common to versions 0.5 and 1.0
stream.WriteFixed(versionNo);
stream.WriteUShort(numGlyphs);
// Version 1.0 of this table contains more data
if (versionNo == 0x00010000)
{
stream.WriteUShort(maxPoints);
stream.WriteUShort(maxContours);
stream.WriteUShort(maxCompositePoints);
stream.WriteUShort(maxCompositeContours);
stream.WriteUShort(maxZones);
stream.WriteUShort(maxTwilightPoints);
stream.WriteUShort(maxStorage);
stream.WriteUShort(maxFunctionDefs);
stream.WriteUShort(maxInstructionDefs);
stream.WriteUShort(maxStackElements);
stream.WriteUShort(maxSizeOfInstructions);
stream.WriteUShort(maxComponentElements);
stream.WriteUShort(maxComponentDepth);
}
}
/// <summary>
/// Writes the font subset to the supplied output stream.
/// </summary>
public void Generate(MemoryStream output) {
HeaderTable head = reader.GetHeaderTable();
MaximumProfileTable maxp = reader.GetMaximumProfileTable();
HorizontalHeaderTable hhea = reader.GetHorizontalHeaderTable();
ControlValueTable cvt = reader.GetControlValueTable();
FontProgramTable fpgm = reader.GetFontProgramTable();
GlyfDataTable glyf = reader.GetGlyfDataTable();
ControlValueProgramTable prep = reader.GetControlValueProgramTable();
IndexToLocationTable loca = CreateLocaTable(glyf);
HorizontalMetricsTable hmtx = CreateHmtxTable(glyf);
// Since we're reusing the hhea and maxp tables, we must update
// the numberOfHMetrics and numGlyphs fields to reflect the reduced
// number of glyphs.
maxp.GlyphCount = glyf.Count;
hhea.HMetricCount = glyf.Count;
FontFileWriter writer = new FontFileWriter(output);
writer.Write(head);
writer.Write(maxp);
writer.Write(hhea);
writer.Write(hmtx);
writer.Write(cvt);
writer.Write(prep);
writer.Write(fpgm);
writer.Write(loca);
writer.Write(glyf);
writer.Close();
}
protected internal override void Write(FontFileWriter writer)
{
foreach (uint offset in offsets)
{
writer.Stream.WriteULong(offset);
}
}
protected internal override void Write(FontFileWriter writer)
{
// TODO: Determine short/long format
foreach (uint offset in offsets)
{
writer.Stream.WriteULong(offset);
}
}
protected internal override void Write(FontFileWriter writer) {
FontFileStream stream = writer.Stream;
for (int i = 0; i < metrics.Count; i++) {
HorizontalMetric metric = (HorizontalMetric) metrics[i];
stream.WriteUShort(metric.AdvanceWidth);
stream.WriteShort(metric.LeftSideBearing);
}
}
/// <summary>
/// Writes the contents of the glyf table to the supplied stream.
/// </summary>
/// <param name="writer"></param>
protected internal override void Write(FontFileWriter writer)
{
FontFileStream stream = writer.Stream;
foreach (int subsetIndex in glyphDescriptions.Keys)
{
this[subsetIndex].Write(stream);
}
}
protected internal override void Write(FontFileWriter writer)
{
FontFileStream stream = writer.Stream;
for (int i = 0; i < metrics.Count; i++)
{
HorizontalMetric metric = metrics[i];
stream.WriteUShort(metric.AdvanceWidth);
stream.WriteShort(metric.LeftSideBearing);
}
}
protected internal override void Write(FontFileWriter writer)
{
FontFileStream stream = writer.Stream;
stream.WriteFixed(versionNo);
stream.WriteFWord(ascender);
stream.WriteFWord(decender);
stream.WriteFWord(lineGap);
stream.WriteUFWord(advanceWidthMax);
stream.WriteFWord(minLeftSideBearing);
stream.WriteFWord(minRightSideBearing);
stream.WriteFWord(xMaxExtent);
stream.WriteShort(caretSlopeRise);
stream.WriteShort(caretSlopeRun);
stream.WriteShort(caretOffset);
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteShort(metricDataFormat);
stream.WriteUShort(numberOfHMetrics);
}
/// <summary>
/// Writes the contents of the head table to the supplied stream.
/// </summary>
/// <param name="writer"></param>
protected internal override void Write(FontFileWriter writer)
{
FontFileStream stream = writer.Stream;
stream.WriteFixed(versionNo);
stream.WriteFixed(fontRevision);
stream.WriteULong(0);
stream.WriteULong(0x5F0F3CF5);
stream.WriteUShort(flags);
stream.WriteUShort(unitsPermEm);
stream.WriteDateTime((long)(createDate - BaseDate).TotalSeconds);
stream.WriteDateTime((long)(updateDate - BaseDate).TotalSeconds);
stream.WriteShort(xMin);
stream.WriteShort(yMin);
stream.WriteShort(xMax);
stream.WriteShort(yMax);
stream.WriteUShort(macStyle);
stream.WriteUShort(lowestRecPPEM);
stream.WriteShort(fontDirectionHint);
stream.WriteShort(1);
stream.WriteShort(glyphDataFormat);
}
protected internal override void Write(FontFileWriter writer) {
throw new NotImplementedException("Write is not implemented.");
}
/// <summary>
/// No supported.
/// </summary>
/// <param name="writer"></param>
protected internal override void Write(FontFileWriter writer) {
throw new InvalidOperationException("Write not supported.");
}
/// <summary>
/// No supported.
/// </summary>
/// <param name="writer"></param>
protected internal override void Write(FontFileWriter writer)
{
throw new InvalidOperationException("Write not supported.");
}
protected internal override void Write(FontFileWriter writer) {
FontFileStream stream = writer.Stream;
// These two fields are common to versions 0.5 and 1.0
stream.WriteFixed(versionNo);
stream.WriteUShort(numGlyphs);
// Version 1.0 of this table contains more data
if (versionNo == 0x00010000) {
stream.WriteUShort(maxPoints);
stream.WriteUShort(maxContours);
stream.WriteUShort(maxCompositePoints);
stream.WriteUShort(maxCompositeContours);
stream.WriteUShort(maxZones);
stream.WriteUShort(maxTwilightPoints);
stream.WriteUShort(maxStorage);
stream.WriteUShort(maxFunctionDefs);
stream.WriteUShort(maxInstructionDefs);
stream.WriteUShort(maxStackElements);
stream.WriteUShort(maxSizeOfInstructions);
stream.WriteUShort(maxComponentElements);
stream.WriteUShort(maxComponentDepth);
}
}
protected internal override void Write(FontFileWriter writer) {
FontFileStream stream = writer.Stream;
stream.WriteFixed(versionNo);
stream.WriteFWord(ascender);
stream.WriteFWord(decender);
stream.WriteFWord(lineGap);
stream.WriteUFWord(advanceWidthMax);
stream.WriteFWord(minLeftSideBearing);
stream.WriteFWord(minRightSideBearing);
stream.WriteFWord(xMaxExtent);
stream.WriteShort(caretSlopeRise);
stream.WriteShort(caretSlopeRun);
stream.WriteShort(caretOffset);
// TODO: Check these 4 fields are all 0
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteShort(metricDataFormat);
stream.WriteUShort(numberOfHMetrics);
}
/// <summary> /// Writes the contents of a table to the supplied writer. /// </summary> /// <remarks> /// This method should not be concerned with aligning the /// table output on the 4-byte boundary. /// </remarks> /// <param name="writer"></param> protected internal abstract void Write(FontFileWriter writer);
/// <summary>
/// Writes the contents of the head table to the supplied stream.
/// </summary>
/// <param name="writer"></param>
protected internal override void Write(FontFileWriter writer) {
FontFileStream stream = writer.Stream;
stream.WriteFixed(versionNo);
stream.WriteFixed(fontRevision);
// TODO: Calculate based on entire font
stream.WriteULong(0);
stream.WriteULong(0x5F0F3CF5);
stream.WriteUShort(flags);
stream.WriteUShort(unitsPermEm);
stream.WriteDateTime((long) (createDate - BaseDate).TotalSeconds);
stream.WriteDateTime((long) (updateDate - BaseDate).TotalSeconds);
stream.WriteShort(xMin);
stream.WriteShort(yMin);
stream.WriteShort(xMax);
stream.WriteShort(yMax);
stream.WriteUShort(macStyle);
stream.WriteUShort(lowestRecPPEM);
stream.WriteShort(fontDirectionHint);
// TODO: Always write loca offsets as ulongs
stream.WriteShort(1);
stream.WriteShort(glyphDataFormat);
}
/// <summary>
/// Writes the contents of the glyf table to the supplied stream.
/// </summary>
/// <param name="writer"></param>
protected internal override void Write(FontFileWriter writer) {
FontFileStream stream = writer.Stream;
foreach (int subsetIndex in glyphDescriptions.Keys) {
this[subsetIndex].Write(stream);
}
}
protected internal override void Write(FontFileWriter writer) {
// TODO: Determine short/long format
foreach (uint offset in offsets) {
writer.Stream.WriteULong(offset);
}
}
protected internal override void Write(FontFileWriter writer)
{
throw new NotImplementedException("Write is not implemented.");
}
/// <summary> /// Writes the contents of a table to the supplied writer. /// </summary> /// <remarks> /// This method should not be concerned with aligning the /// table output on the 4-byte boundary. /// </remarks> /// <param name="writer"></param> protected internal abstract void Write(FontFileWriter writer);
