extern const char * const CUSTOM_SUBDIVIDE_GRID_Y;
extern const char * const CUSTOM_SHADER_HINTS;
+// Transform
+extern const char * const TRANSFORM;
+extern const char * const SIZE;
+extern const char * const OFFSET;
+extern const char * const OFFSET_SIZE_MODE;
+extern const char * const ORIGIN;
+extern const char * const ANCHOR_POINT;
+
+// Premultiplied alpha
+extern const char * const PREMULTIPLIED_ALPHA;
+
// Image visual
extern const char * const IMAGE_URL_NAME;
extern const char * const ATLAS_RECT_UNIFORM_NAME;