/*
* public static uint EncodePixel(GuPixelFormats PixelFormat, OutputPixel Color)
* {
* return ColorFormatFromPixelFormat(PixelFormat).Encode(Color.R, Color.G, Color.B, Color.A);
* }
*
* public static OutputPixel DecodePixel(GuPixelFormats PixelFormat, uint Value)
* {
* throw new NotImplementedException();
* }
*/
public static void Decode(GuPixelFormats pixelFormat, void *input, OutputPixel *output, int width, int height,
void *palette = null, GuPixelFormats paletteType = GuPixelFormats.None, int paletteCount = 0,
int paletteStart = 0, int paletteShift = 0, int paletteMask = 0xFF, int strideWidth = -1,
bool ignoreAlpha = false)
{
if (strideWidth == -1)
{
strideWidth = GetPixelsSize(pixelFormat, width);
}
var pixelFormatInt = (int)pixelFormat;
var pixelFormatDecoder = new PixelFormatDecoder()
{
_input = input,
_inputByte = (byte *)input,
_inputShort = (ushort *)input,
_inputInt = (uint *)input,
_output = output,
_strideWidth = strideWidth,
_width = width,
_height = height,
_palette = palette,
_paletteType = paletteType,
_paletteCount = paletteCount,
_paletteStart = paletteStart,
_paletteShift = paletteShift,
_paletteMask = paletteMask,
};
//Console.WriteLine(PixelFormat);
switch (pixelFormat)
{
case GuPixelFormats.Rgba5650:
pixelFormatDecoder.Decode_RGBA_5650();
break;
case GuPixelFormats.Rgba5551:
pixelFormatDecoder.Decode_RGBA_5551();
break;
case GuPixelFormats.Rgba4444:
pixelFormatDecoder.Decode_RGBA_4444();
break;
case GuPixelFormats.Rgba8888:
pixelFormatDecoder.Decode_RGBA_8888();
break;
case GuPixelFormats.PaletteT4:
pixelFormatDecoder.Decode_PALETTE_T4();
break;
case GuPixelFormats.PaletteT8:
pixelFormatDecoder.Decode_PALETTE_T8();
break;
case GuPixelFormats.PaletteT16:
pixelFormatDecoder.Decode_PALETTE_T16();
break;
case GuPixelFormats.PaletteT32:
pixelFormatDecoder.Decode_PALETTE_T32();
break;
case GuPixelFormats.CompressedDxt1:
pixelFormatDecoder.Decode_COMPRESSED_DXT1();
break;
case GuPixelFormats.CompressedDxt3:
pixelFormatDecoder.Decode_COMPRESSED_DXT3();
break;
case GuPixelFormats.CompressedDxt5:
pixelFormatDecoder.Decode_COMPRESSED_DXT5();
break;
default: throw new InvalidOperationException();
}
if (ignoreAlpha)
{
for (int y = 0, n = 0; y < height; y++)
{
for (int x = 0; x < width; x++, n++)
{
output[n].A = 0xFF;
}
}
}
//DecoderCallbackTable[PixelFormatInt](Input, Output, PixelCount, Width, Palette, PaletteType, PaletteCount, PaletteStart, PaletteShift, PaletteMask);
}
