private void GetCompositeGlyphStats(Table_glyf.CompositeGlyph cg, ref short nContours, ref ushort nPoints, ref ushort nInstructions, ref ushort nComponentElements, ref ushort nComponentDepth, OTFont fontOwner, Table_glyf glyfTable)
{
ushort nPointsTemp = 0;
short nContoursTemp = 0;
ushort nInstructionsTemp = 0;
short TotalContours = 0;
ushort TotalPoints = 0;
ushort maxInstructions = 0;
nComponentDepth++;
int nCompositeGlyphs = 0;
while (cg != null)
{
nCompositeGlyphs++;
nInstructions = Math.Max(nInstructions, cg.GetNumInstructions());
Table_glyf.header glyfHeader = glyfTable.GetGlyphHeader(cg.glyphIndex, fontOwner);
if (glyfHeader != null)
{
if (glyfHeader.numberOfContours >= 0)
{
nContoursTemp = glyfHeader.numberOfContours;
Table_glyf.SimpleGlyph sg = glyfHeader.GetSimpleGlyph();
nPointsTemp = (ushort)(sg.GetEndPtOfContour((uint)glyfHeader.numberOfContours - 1) + 1);
nInstructionsTemp = sg.instructionLength;
}
else
{
Table_glyf.CompositeGlyph EmbeddedCG = glyfHeader.GetCompositeGlyph();
GetCompositeGlyphStats(EmbeddedCG, ref nContoursTemp, ref nPointsTemp, ref nInstructionsTemp, ref nComponentElements, ref nComponentDepth, fontOwner, glyfTable);
}
TotalContours += nContoursTemp;
TotalPoints += nPointsTemp;
maxInstructions = Math.Max(maxInstructions, nInstructionsTemp);
}
cg = cg.GetNextCompositeGlyph();
}
nComponentElements = (ushort)Math.Max(nComponentElements, nCompositeGlyphs);
nContours = TotalContours;
nPoints = TotalPoints;
nInstructions = maxInstructions;
}
private bool ComputeMaxpStats(Table_glyf glyfTable, OTFont fontOwner)
{
bool bRet = true;
try
{
maxPointsCalc = 0;
maxContoursCalc = 0;
maxCompositePointsCalc = 0;
maxCompositeContoursCalc = 0;
maxSizeOfInstructionsCalc = 0;
maxComponentElementsCalc = 0;
maxComponentDepthCalc = 0;
for (uint iGlyph = 0; iGlyph < NumGlyphs; iGlyph++)
{
Table_glyf.header glyfHeader = glyfTable.GetGlyphHeader(iGlyph, fontOwner);
if (glyfHeader != null)
{
if (glyfHeader.numberOfContours >= 0)
{
Table_glyf.SimpleGlyph sg = glyfHeader.GetSimpleGlyph();
maxPointsCalc = (ushort)Math.Max(maxPointsCalc, sg.GetEndPtOfContour((uint)glyfHeader.numberOfContours - 1) + 1);
maxContoursCalc = (ushort)Math.Max(maxContoursCalc, glyfHeader.numberOfContours);
maxSizeOfInstructionsCalc = Math.Max(maxSizeOfInstructionsCalc, sg.instructionLength);
}
else
{
ushort nPointsTemp = 0;
short nContoursTemp = 0;
ushort nInstructionsTemp = 0;
ushort nCompElementsTemp = 0;
ushort nCompDepthTemp = 0;
Table_glyf.CompositeGlyph cg = glyfHeader.GetCompositeGlyph();
GetCompositeGlyphStats(cg, ref nContoursTemp, ref nPointsTemp, ref nInstructionsTemp, ref nCompElementsTemp, ref nCompDepthTemp, fontOwner, glyfTable);
maxCompositePointsCalc = Math.Max(maxCompositePointsCalc, nPointsTemp);
maxCompositeContoursCalc = Math.Max(maxCompositeContoursCalc, nContoursTemp);
maxSizeOfInstructionsCalc = Math.Max(maxSizeOfInstructionsCalc, nInstructionsTemp);
maxComponentElementsCalc = Math.Max(maxComponentElementsCalc, nCompElementsTemp);
maxComponentDepthCalc = Math.Max(maxComponentDepthCalc, nCompDepthTemp);
}
}
}
}
catch
{
maxPointsCalc = 0;
maxContoursCalc = 0;
maxCompositePointsCalc = 0;
maxCompositeContoursCalc = 0;
maxSizeOfInstructionsCalc = 0;
maxComponentElementsCalc = 0;
maxComponentDepthCalc = 0;
bRet = false;
}
return(bRet);
}
