--- a/include/mb_graph_engine_openvg.h	Sun Jul 04 00:16:43 2010 +0800
+++ b/include/mb_graph_engine_openvg.h	Sun Jul 04 15:36:40 2010 +0800
@@ -22,8 +22,6 @@
 #define mbe_pattern_create_radial(cx0, cy0, radius0,			\
 				  cx1, cy1, radius1, stops, stop_cnt)	\
     ((mbe_pattern_t *)NULL)
-#define mbe_pattern_create_linear(x0, y0, x1, y1, stops, stop_cnt)	\
-    ((mbe_pattern_t *)NULL)
 #define mbe_pattern_create_image(img) ((mbe_pattern_t *)NULL)
 #define mbe_scaled_font_destroy(scaled)
 #define mbe_font_face_reference(face) ((mbe_font_face_t *)NULL)
@@ -138,22 +136,32 @@
 extern EGLNativeDisplayType _ge_openvg_disp_id;
 extern mbe_t *_ge_openvg_current_canvas;
 
+extern mbe_pattern_t *mbe_pattern_create_linear(co_aix x0, co_aix y0,
+						co_aix x1, co_aix y1,
+						grad_stop_t *stops,
+						int stop_cnt);
 extern void mbe_set_source_rgba(mbe_t *canvas, co_comp_t r, co_comp_t g,
 				co_comp_t b, co_comp_t a);
+/* TODO: rename n_areas to areas_cnt and make it after areas */
 extern void mbe_scissoring(mbe_t *canvas, int n_areas, area_t **areas);
 
 
 #define _VG_DISPLAY() eglGetDisplay(_ge_openvg_disp_id)
 
 /* \brief Make the context of a canvas to be current context.
+ *
+ * TODO: swtich VGImage between VGPaint and Surface.
  */
 #define _MK_CURRENT_CTX(canvas) do {				\
 	if(_ge_openvg_current_canvas != (canvas)) {		\
 	    _ge_openvg_current_canvas = canvas;			\
-	    eglMakeCurrent(_VG_DISPLAY(), (canvas)->tgt,	\
-			   (canvas)->tgt, (canvas)->ctx);	\
+	    eglMakeCurrent(_VG_DISPLAY(),			\
+			   (canvas)->tgt->surface,		\
+			   (canvas)->tgt->surface,		\
+			   (canvas)->ctx);			\
 	}							\
     } while(0)
+/* TODO: switch VGImage between VGPaint and surface. */
 #define _MK_CURRENT_PAINT(canvas)					\
     if((canvas)->paint_installed)					\
 	vgSetPaint((canvas)->paint, VG_FILL_PATH|VG_STROKE_PATH)