public static unsafe Bitmap Decode(SubTexture subTexture)
{
var bitmap = new Bitmap(subTexture.Width, subTexture.Height);
var rect = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
if (subTexture.Format == TextureFormat.RGB)
{
var bitmapData = bitmap.LockBits(rect, ImageLockMode.WriteOnly, PixelFormat.Format24bppRgb);
fixed(byte *ptr = subTexture.Data)
{
RGBtoBGR(ptr, ( byte * )bitmapData.Scan0, subTexture.Data.Length);
}
bitmap.UnlockBits(bitmapData);
}
else if (subTexture.Format == TextureFormat.RGBA)
{
var bitmapData = bitmap.LockBits(rect, ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
fixed(byte *ptr = subTexture.Data)
{
ByteRGBAToInt32(ptr, ( int * )bitmapData.Scan0, subTexture.Data.Length);
}
bitmap.UnlockBits(bitmapData);
}
else if (subTexture.Format == TextureFormat.RGBA4)
{
var bitmapData = bitmap.LockBits(rect, ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
fixed(byte *ptr = subTexture.Data)
{
RGBA4toRGBA(ptr, ( int * )bitmapData.Scan0, subTexture.Data.Length);
}
bitmap.UnlockBits(bitmapData);
}
else
{
var buffer = DDSCodec.DecompressPixelDataToRGBA(subTexture.Data, subTexture.Width, subTexture.Height,
TextureUtilities.GetDDSPixelFormat(subTexture.Format));
var bitmapData = bitmap.LockBits(rect, ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
Marshal.Copy(buffer, 0, bitmapData.Scan0, buffer.Length);
bitmap.UnlockBits(bitmapData);
}
return(bitmap);
}
public static unsafe Bitmap Decode(Texture texture)
{
if (texture.IsYCbCr)
{
var bitmap = new Bitmap(texture[0].Width, texture[0].Height);
var rect = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
var lumBuffer = DDSCodec.DecompressPixelDataToRGBA(
texture[0].Data, texture[0].Width, texture[0].Height,
TextureUtilities.GetDDSPixelFormat(texture.Format));
var cbrBuffer = DDSCodec.DecompressPixelDataToRGBA(
texture[1].Data, texture[1].Width, texture[1].Height,
TextureUtilities.GetDDSPixelFormat(texture.Format));
var bitmapData = bitmap.LockBits(rect, ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
fixed(byte *lumPtr = lumBuffer)
fixed(byte *cbrPtr = cbrBuffer)
{
var lumIntPtr = ( int * )lumPtr;
var cbrIntPtr = ( int * )cbrPtr;
ConvertYCbCrToRGBA(lumIntPtr, cbrIntPtr, ( int * )bitmapData.Scan0, bitmap.Width, bitmap.Height);
}
bitmap.UnlockBits(bitmapData);
return(bitmap);
}
if (texture.UsesDepth)
{
var bitmap = new Bitmap(texture.Width * texture.Depth, texture.Height);
using (var gfx = Graphics.FromImage(bitmap))
{
int currentIndex = 0;
foreach (int i in CubeMapToDDSCubeMap())
{
gfx.DrawImageUnscaled(Decode(texture[i, 0]), currentIndex++ *texture.Width, 0);
}
}
return(bitmap);
}
return(Decode(texture[0]));
}