# HG changeset patch
# User Thinker K.F. Li <thinker@codemud.net>
# Date 1291383872 -28800
# Node ID 7f4dd130a78e3d43f0cf5c4d31cb4c84262b7068
# Parent  cd34de1a69604ff29c208d1b6996d68c95c1d36c
Fix issue of color paints that do not show right color.

It is wrong to check if a canvas having valid color paint since it
check on a uninitialized variable of paint type.  The variable is
supposed to be initialized by the paint of the canvas.  It is fixed by
initialize the variable correctly.

diff -r cd34de1a6960 -r 7f4dd130a78e src/graph_engine_openvg.c
--- a/src/graph_engine_openvg.c	Fri Dec 03 18:18:43 2010 +0800
+++ b/src/graph_engine_openvg.c	Fri Dec 03 21:44:32 2010 +0800
@@ -409,14 +409,18 @@
     VGuint color;
     VGfloat rgba[4];
 
-    if(paint != VG_INVALID_HANDLE && canvas->src == NULL)
-	paint = canvas->paint;	/* previous one is also a color paint */
-    else {
+    paint = canvas->paint;
+    if(paint == VG_INVALID_HANDLE || canvas->src != NULL) {
+	/* previous one is not a color paint */
+	if(canvas->src) {
+	    mbe_pattern_destroy(canvas->src);
+	    canvas->src = NULL;
+	}
+	
 	paint = vgCreatePaint();
 	ASSERT(paint != VG_INVALID_HANDLE);
 	vgSetParameteri(paint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
 	canvas->paint = paint;
-	canvas->src = NULL;
     }
     
     rgba[0] = r;