public static byte[] WrapToDDS(byte[] data, int offset, DDSConvertParameters @params)
{
using (MemoryStream stream = new MemoryStream(data))
{
stream.Position = offset;
return(WrapToDDS(stream, @params));
}
}
public static byte[] WrapToDDS(Stream stream, DDSConvertParameters @params)
{
byte[] buffer = new byte[4 + HeaderSize + @params.DataLength];
using (MemoryStream memStream = new MemoryStream(buffer))
{
using (BinaryWriter writer = new BinaryWriter(memStream))
{
writer.Write(MagicNumber);
writer.Write(HeaderSize);
DDSDFlags flags = DDSDFlags.DDSD_CAPS | DDSDFlags.DDSD_HEIGHT | DDSDFlags.DDSD_WIDTH |
DDSDFlags.DDSD_PIXELFORMAT | @params.MipMapFlag;
writer.Write((uint)flags);
writer.Write(@params.Height);
writer.Write(@params.Width);
writer.Write(@params.PitchOrLinearSize);
writer.Write(Depth);
writer.Write(@params.MipMapCount);
for (int i = 0; i < 11; i++) // reserved
{
writer.Write(0);
}
DDSPixelFormat pixelFormat = new DDSPixelFormat()
{
Flags = @params.PixelFormatFlags,
FourCC = @params.FourCC,
RGBBitCount = @params.RGBBitCount,
RBitMask = @params.RBitMask,
GBitMask = @params.GBitMask,
BBitMask = @params.BBitMask,
ABitMask = @params.ABitMask,
};
pixelFormat.Write(writer);
writer.Write((uint)@params.Caps);
writer.Write((uint)Caps2);
writer.Write(0); // caps3
writer.Write(0); // caps4
writer.Write(0); // reserved
stream.CopyStream(writer.BaseStream, @params.DataLength);
}
}
return(buffer);
}
