const char * const CUSTOM_SHADER_HINTS( "hints" );
// Transform
-extern const char * const TRANSFORM( "transform" );
-extern const char * const SIZE( "size" );
-extern const char * const OFFSET( "offset" );
-extern const char * const OFFSET_SIZE_MODE( "offsetSizeMode" );
-extern const char * const ORIGIN( "origin" );
-extern const char * const ANCHOR_POINT( "anchorPoint" );
+const char * const TRANSFORM( "transform" );
+const char * const SIZE( "size" );
+const char * const OFFSET( "offset" );
+const char * const OFFSET_SIZE_MODE( "offsetSizeMode" );
+const char * const ORIGIN( "origin" );
+const char * const ANCHOR_POINT( "anchorPoint" );
// Premultipled alpha
-extern const char * const PREMULTIPLIED_ALPHA( "premultipliedAlpha" );
+const char * const PREMULTIPLIED_ALPHA( "premultipliedAlpha" );
+
+// Mix color
+const char * const MIX_COLOR( "mixColor" );
// Image visual
const char * const IMAGE_URL_NAME( "url" );