Function test_export_texture

tests/test_resource_export.cpp:59–97

}

Error test_export_texture(const String &version) {
	String test_dir = get_test_resources_path().path_join(version).path_join("texture");
	Vector<String> files = gdre::get_recursive_dir_list(test_dir, { "*.ctex" });
	String output_dir = get_tmp_path().path_join(version).path_join("texture");
	for (const String &file : files) {
		// original file
		String original_file = file.rsplit("-", true, 1)[0];
		String output_file = output_dir.path_join(original_file.get_file());
		gdre::ensure_dir(output_file.get_base_dir());

		Error err = Exporter::export_file(output_file, file);
		CHECK(err == OK);

		Ref<Texture2D> original_texture = ResourceCompatLoader::non_global_load(file);
		CHECK(original_texture.is_valid());

		Ref<Image> original_image = original_texture->get_image();
		CHECK(original_image.is_valid());

		Ref<Image> exported_image;
		exported_image.instantiate();
		exported_image->load(output_file);
		CHECK(original_image->get_width() == exported_image->get_width());
		CHECK(original_image->get_height() == exported_image->get_height());
		for (int64_t x = 0; x < original_image->get_width(); x++) {
			for (int64_t y = 0; y < original_image->get_height(); y++) {
				Color c = original_image->get_pixel(x, y);
				Color c2 = exported_image->get_pixel(x, y);
				if (c != c2) {
					CHECK(c.a == 0.0);
					CHECK(c.a == c2.a);
				} else {
					CHECK(c == c2);
				}
			}
		}
	}
	return OK;
}

} // namespace TestResourceExport