private static Color[] SetPalette(BinaryReaderX br, TMXPixelFormat paletteFormat, int colorCount)
{
Color[] tmpPalette = new Color[colorCount];
for (int i = 0; i < colorCount; i++)
{
byte r, g, b, a;
if (paletteFormat == TMXPixelFormat.PSMCT32)
{
uint color = br.ReadUInt32();
r = (byte)color;
g = (byte)(color >> 8);
b = (byte)(color >> 16);
a = (byte)(color >> 24);
}
else
{
ushort color = br.ReadUInt16();
r = (byte)((color & 0x001F) << 3);
g = (byte)(((color & 0x03E0) >> 5) << 3);
b = (byte)(((color & 0x7C00) >> 10) << 3);
a = (byte)(i == 0 ? 0 : 0x80);
}
tmpPalette[i] = Color.FromArgb(a, r, g, b);
}
Color[] newPalette = new Color[colorCount];
if (colorCount == 256)
{
for (int i = 0; i < newPalette.Length; i += 32)
{
Array.Copy(tmpPalette, i, newPalette, i, 8);
Array.Copy(tmpPalette, i + 8, newPalette, i + 16, 8);
Array.Copy(tmpPalette, i + 16, newPalette, i + 8, 8);
Array.Copy(tmpPalette, i + 24, newPalette, i + 24, 8);
}
}
else
{
Array.Copy(tmpPalette, newPalette, tmpPalette.Length);
}
return(newPalette);
}
private int GetPaletteDataSize(int paletteFormat, TMXPixelFormat imageFormat)
{
var paletteEncoding = TmxSupport.ColorFormats[paletteFormat];
int paletteSize = 0;
switch (imageFormat)
{
case TMXPixelFormat.PSMT4:
paletteSize = paletteEncoding.BitDepth * 16 / 8;
break;
case TMXPixelFormat.PSMT8:
paletteSize = paletteEncoding.BitDepth * 256 / 8;
break;
}
return(paletteSize);
}
