/// <summary>
/// Read a DDS header from an array of bytes.
/// </summary>
public DDS(byte[] bytes)
{
BinaryReaderEx br = new BinaryReaderEx(false, bytes);
// dwMagic
br.AssertASCII("DDS ");
// dwSize
br.AssertInt32(0x7C);
dwFlags = (DDSD)br.ReadUInt32();
dwHeight = br.ReadInt32();
dwWidth = br.ReadInt32();
dwPitchOrLinearSize = br.ReadInt32();
dwDepth = br.ReadInt32();
dwMipMapCount = br.ReadInt32();
// dwReserved1
br.Skip(4 * 11);
ddspf = new PIXELFORMAT(br);
dwCaps = (DDSCAPS)br.ReadUInt32();
dwCaps2 = (DDSCAPS2)br.ReadUInt32();
// dwCaps3, dwCaps4, dwReserved2
br.Skip(4 * 3);
if (ddspf.dwFourCC == PIXELFORMAT.FourCCDX10)
{
header10 = new HEADER_DXT10(br);
}
else
{
header10 = null;
}
}
public DDS(byte[] bytes)
{
BinaryReaderEx br = new BinaryReaderEx(false, bytes);
br.AssertASCII("DDS ");
br.AssertInt32(124);
dwFlags = br.ReadInt32();
dwHeight = br.ReadInt32();
dwWidth = br.ReadInt32();
dwPitchOrLinearSize = br.ReadInt32();
dwDepth = br.ReadInt32();
dwMipMapCount = br.ReadInt32();
// dwReserved1
br.Skip(4 * 11);
ddspf = new PIXELFORMAT(br);
dwCaps = br.ReadInt32();
dwCaps2 = br.ReadInt32();
// dwCaps3, dwCaps4, dwReserved2
br.Skip(4 * 3);
if (ddspf.dwFourCC == "DX10")
{
header10 = new HEADER_DXT10(br);
}
else
{
header10 = null;
}
dataOffset = br.Position;
}
/// <summary>
/// Create a new DDS header with default values and no DX10 header.
/// </summary>
public DDS()
{
dwFlags = HEADER_FLAGS_TEXTURE;
dwHeight = 0;
dwWidth = 0;
dwPitchOrLinearSize = 0;
dwDepth = 0;
dwMipMapCount = 0;
ddspf = new PIXELFORMAT();
dwCaps = DDSCAPS.TEXTURE;
dwCaps2 = 0;
header10 = null;
}
