public static DDSPixelFormat FromStream(Stream stream)
{
DDSPixelFormat format = new DDSPixelFormat();
format.Size = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
if (format.Size != 0x20)
{
throw new Exception("Invalid size of pixel format.");
}
format.Flags = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
format.FourCC = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
format.RGBBitCount = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
format.RBitMask = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
format.GBitMask = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
format.BBitMask = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
format.ABitMask = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
return(format);
}
public static DDSHeader FromStream(Stream stream)
{
DDSHeader header = new DDSHeader();
header.Magic = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
if (header.Magic != 0x20534444)
{
throw new Exception("Invalid magic.");
}
header.Size = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
if (header.Size != 0x7C)
{
throw new Exception("Invalid size.");
}
header.Flags = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Height = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Width = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.PitchOrLinearSize = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Depth = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.MipMapCount = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Reserved1a = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Reserved1b = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Reserved1c = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Reserved1d = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Reserved1e = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Reserved1f = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Reserved1g = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Reserved1h = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Reserved1i = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Reserved1j = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Reserved1k = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.PixelFormat = DDSPixelFormat.FromStream(stream);
header.Caps = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Caps2 = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Caps3 = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Caps4 = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
header.Reserved2 = stream.ReadUInt32().FromEndian(EndianUtils.Endianness.LittleEndian);
return(header);
}
