Function ReadHeightMap

src/heightmap.cpp:481–495

* Reads the heightmap with the correct file reader. * @param dft Type of image file. * @param filename Name of the file to load. * @param[out] x Length of the image. * @param[out] y Height of the image. * @param[in,out] map If not \c nullptr, destination to store the loaded block of image data. * @return Whether loading was successful. */

 * @return Whether loading was successful.
 */
static bool ReadHeightMap(DetailedFileType dft, std::string_view filename, uint *x, uint *y, std::vector<uint8_t> *map)
{
	switch (dft) {
		default:
			NOT_REACHED();

#ifdef WITH_PNG
		case DFT_HEIGHTMAP_PNG:
			return ReadHeightmapPNG(filename, x, y, map);
#endif /* WITH_PNG */

		case DFT_HEIGHTMAP_BMP:
			return ReadHeightmapBMP(filename, x, y, map);
	}
}

/**
 * Get the dimensions of a heightmap.