public TMX(Stream input)
{
using (BinaryReaderX br = new BinaryReaderX(input))
{
header = br.ReadStruct <Header>();
comment = br.ReadString(0x1c);
switch (header.imageFormat)
{
case TMXPixelFormat.PSMT8:
bmp = TmxSupport.ConvertIndexed8(br, header, out Palette);
break;
case TMXPixelFormat.PSMT4:
bmp = TmxSupport.ConvertIndexed4(br, header, out Palette);
break;
case TMXPixelFormat.PSMCT16:
bmp = TmxSupport.Convert16(br, header);
break;
case TMXPixelFormat.PSMCT24:
bmp = TmxSupport.Convert24(br, header);
break;
case TMXPixelFormat.PSMCT32:
bmp = TmxSupport.Convert32(br, header);
break;
default:
throw new NotImplementedException();
}
}
}
public void Save(String filename)
{
Color[] colors = TmxSupport.GetPalette(bmp);
byte[] picData = null;
byte[] paletteData = null;
if (colors.Length == 16)
{
picData = TmxSupport.CreateIndexed4(bmp, colors);
paletteData = TmxSupport.GetPaletteBytes(colors);
header.imageFormat = TMXPixelFormat.PSMT4;
header.paletteFormat = TMXPixelFormat.PSMCT32;
}
else if (colors.Length == 256)
{
picData = TmxSupport.CreateIndexed8(bmp, colors);
paletteData = TmxSupport.GetPaletteBytes(colors);
header.imageFormat = TMXPixelFormat.PSMT8;
header.paletteFormat = TMXPixelFormat.PSMCT32;
}
else
{
picData = TmxSupport.Create32(bmp);
header.imageFormat = TMXPixelFormat.PSMCT32;
}
header.height = (ushort)bmp.Height;
header.width = (ushort)bmp.Width;
using (BinaryWriterX bw = new BinaryWriterX(File.Create(filename)))
{
bw.WriteStruct(header);
bw.WriteASCII(comment);
bw.BaseStream.Position = 0x40;
if (paletteData != null)
{
bw.Write(paletteData);
}
bw.Write(picData);
}
}