public Glyph(PointS[] points, GlyphFlag[] flags, byte[] instructions, ushort[] endPtsOfContours, BoundsS bounds)
{
Points = points;
Flags = flags;
Instructions = instructions;
EndPtsOfContours = endPtsOfContours;
Bounds = bounds;
}
private GlyphFlag[] ReadGlyphFlags(BinaryReader reader, int numberOfPoints)
{
var flags = new GlyphFlag[numberOfPoints];
int i = 0;
int repeat = 0;
GlyphFlag flag = (GlyphFlag)0;
while(i < numberOfPoints)
{
if(repeat > 0)
{
repeat--;
}
else
{
flag = (GlyphFlag)reader.ReadByte();
if (flag.HasFlag(GlyphFlag.Repeat))
{
repeat = reader.ReadByte();
}
}
flags[i++] = flag;
}
return flags;
}
private short[] ReadGlyphCoordinates(BinaryReader reader, int numberOfPoints, GlyphFlag[] flags, GlyphFlag isByte, GlyphFlag signOrSame)
{
var coordinates = new short[numberOfPoints];
int x = 0;
for (int i = 0; i < numberOfPoints; i++)
{
int dx;
if (flags[i].HasFlag(isByte))
{
var b = reader.ReadByte();
dx = flags[i].HasFlag(signOrSame) ? b : -b;
}
else
{
if (flags[i].HasFlag(signOrSame))
{
dx = 0;
}
else
{
dx = reader.ReadInt16();
}
}
x += dx;
coordinates[i] = (short)x; // TODO: overflow?
}
return coordinates;
}
