void CPicture::LoadDDS( CDataStream& dataStream )
{
char const* header = (char const*)dataStream.GetCursorData() + 4;
m_height = *(unsigned int*)&(header[8]);
m_width = *(unsigned int*)&(header[12]);
unsigned int linearSize = *(unsigned int*)&(header[16]);
m_mipMapCount = *(unsigned int*)&(header[24]);
unsigned int fourCC = *(unsigned int*)&(header[80]);
m_pPixelData = const_cast<char*>(header) + 124;
switch (fourCC)
{
case FOURCC_DXT1: m_format = ePF_R8G8B8A8_DTX1; break;
case FOURCC_DXT3: m_format = ePF_R8G8B8A8_DTX3; break;
case FOURCC_DXT5: m_format = ePF_R8G8B8A8_DTX5; break;
default:
break;
// free
}
}
void CPicture::LoadPNG( CDataStream& dataStream )
{
lodepng_decode_memory( (unsigned char**)&m_pPixelData, &m_width, &m_height, (unsigned char*)dataStream.GetCursorData(), dataStream.GetSize(), LodePNGColorType::LCT_RGBA, 8 );
m_format = ePF_R8G8B8A8;
m_mipMapCount = 0;
}
