Function PyCompareBitmaps

trinity/Tr2HostBitmap_Blue.cpp:265–400

}

static PyObject* PyCompareBitmaps( PyObject* self, PyObject* args )
{
	using namespace Tr2RenderContextEnum;

	PyObject* img1Obj = nullptr;
	PyObject* img2Obj = nullptr;
	PyObject* diffObj = nullptr;
	unsigned tolerance = 0;
	if( !PyArg_ParseTuple( args, "OO|iO", &img1Obj, &img2Obj, &tolerance, &diffObj ) )
	{
		return NULL;
	}

	Tr2HostBitmap* img1 = BluePythonCast<Tr2HostBitmap*>( img1Obj );
	if( !img1 )
	{
		PyErr_SetString( PyExc_TypeError, "CompareBitmaps: First parameter must be a Tr2HostBitmap object" );
		return NULL;
	}

	Tr2HostBitmap* img2 = BluePythonCast<Tr2HostBitmap*>( img2Obj );
	if( !img2 )
	{
		PyErr_SetString( PyExc_TypeError, "CompareBitmaps: Second parameter must be a Tr2HostBitmap object" );
		return NULL;
	}

	Tr2HostBitmap* diff = nullptr;

	if( diffObj )
	{
		diff = BluePythonCast<Tr2HostBitmap*>( diffObj );
		if( !diff )
		{
			PyErr_SetString( PyExc_TypeError, "CompareBitmaps: Third parameter must be a Tr2HostBitmap object" );
			return NULL;
		}
	}

	if( !img1->IsValid() || !img2->IsValid() )
	{
		PyErr_SetString( PyExc_TypeError, "CompareBitmaps: invalid source/destination bitmaps" );
		return NULL;
	}

	if( img1->GetWidth() != img2->GetWidth() ||
		img1->GetHeight() != img2->GetHeight() ||
		img1->GetFormat() != img2->GetFormat() ||
		img1->GetMipCount() != img2->GetMipCount() ||
		img1->GetType() != TEX_TYPE_2D ||
		img2->GetType() != TEX_TYPE_2D )
	{
		char buffer[2048];
		sprintf_s( buffer,
				   "CompareBitmaps only works between identical layout 2D bitmaps. "
				   " image1: %ux%ux%u %i %i image2: %ux%ux%u %i %i",
				   unsigned( img1->GetWidth() ),
				   unsigned( img1->GetHeight() ),