protected static void DrawImageData256(RendererContext context, SmallGlyphMetrics smallMetrics, byte[] data)
{
Bitmap bitmap = context.Bitmap;
Color color = Color.Black;
int width = smallMetrics.width;
int height = smallMetrics.height;
int bx = (int)context.DX + context.X + smallMetrics.bearingX;
int by = (int)context.DY;
int dx = 0;
int dy = 0;
int length = data.Length;
for (int i = 0; i < length; i++)
{
if (dx >= width)
{
dx = 0;
dy++;
if (dy >= height)
{
break;
}
}
if (bx + dx > bitmap.Width)
{
dx++;
continue;
}
byte alpha = data[i];
bitmap.SetPixel(bx + dx, by + dy, Color.FromArgb(alpha, color));
dx++;
}
//context.NextGlyph();
context.X += smallMetrics.advance;
}
public static GlyphBitmapData2 Read(BinaryReaderFont reader, int byteSize)
{
GlyphBitmapData2 value = new GlyphBitmapData2 {
smallMetrics = SmallGlyphMetrics.Read(reader)
};
byteSize -= SmallGlyphMetrics.ByteSize;
value.imageData = reader.ReadBytes(byteSize);
return(value);
}
public static GlyphBitmapData17 Read(BinaryReaderFont reader)
{
GlyphBitmapData17 value = new GlyphBitmapData17 {
glyphMetrics = SmallGlyphMetrics.Read(reader),
dataLen = reader.ReadUInt32()
};
value.data = reader.ReadBytes((int)value.dataLen);
return(value);
}
public static GlyphBitmapData8 Read(BinaryReaderFont reader)
{
GlyphBitmapData8 value = new GlyphBitmapData8 {
smallMetrics = SmallGlyphMetrics.Read(reader),
pad = reader.ReadByte(),
numComponents = reader.ReadUInt16()
};
value.components = EbdtComponent.ReadArray(reader, value.numComponents);
return(value);
}
protected static void DrawImageData(RendererContext context, BitDepth bitDepth, SmallGlyphMetrics smallMetrics, byte[] data)
{
switch (bitDepth)
{
case BitDepth.BlackWhite:
DrawImageData2(context, smallMetrics, data);
break;
case BitDepth.Gray4:
DrawImageData4(context, smallMetrics, data);
break;
case BitDepth.Gray16:
DrawImageData16(context, smallMetrics, data);
break;
case BitDepth.Gray256:
DrawImageData256(context, smallMetrics, data);
break;
}
}
