Method getImage

radiantcore/shaders/MapExpression.cpp:149–164

}

ImagePtr HeightMapExpression::getImage() const {
	// Get the heightmap from the contained expression
	ImagePtr heightMap = heightMapExp->getImage();

	if (heightMap == NULL) return ImagePtr();

	// Don't process precompressed images
	if (heightMap->isPrecompressed()) {
		rWarning() << "Cannot evaluate map expression with precompressed texture." << std::endl;
		return heightMap;
	}

	// Convert the heightmap into a normalmap
	ImagePtr normalMap = createNormalmapFromHeightmap(heightMap, scale);
	return normalMap;
}

std::string HeightMapExpression::getIdentifier() const {
	std::string identifier = "_heightmap_";