SkCanvas interface for drawing a patch.

gm/patch.cpp

Index: gm/patch.cpp
diff --git a/gm/patch.cpp b/gm/patch.cpp
index eb99944c0bbce2ae0d7e53a67af600594df105f0..27f0bdb5be784f8c79d50f8728a5fc56f638e4f8 100644
--- a/gm/patch.cpp
+++ b/gm/patch.cpp
@@ -37,32 +37,26 @@ protected:
     }
 
     virtual uint32_t onGetFlags() const SK_OVERRIDE {
-        return kGPUOnly_Flag;
+        return kSkipTiled_Flag | kSkipPipe_Flag | kSkipPicture_Flag;

[dandov, 2014/07/28 15:50:56]

Added this flags to avoid dm failing for now. 

The skps are not generated correctly when the gm is drawing with a pipe or
picture. Only the control points and lines connecting these points are drawn and
the actual patch is missing, so it fails when it tries to compare it with the
reference image which is drawn correctly. 

     }
 
-
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
 
         SkPaint paint;
+        
         SkColor colors[4] = {
             SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorCYAN
         };
-        SkPoint points[] = {
+        SkPoint points[12] = {
             {100,100},{130,50},{500,70}, {650,60},
             {350,125},{490,555},{600,700},
             {515,595},{140,550},{110,590},
             {125,400},{70,150}
-            
         };
 
         SkPatch coons(points, colors);
-        
-        SkPatch::VertexData data;
-        coons.getVertexData(&data, 10);
-
-        canvas->drawVertices(SkCanvas::kTriangles_VertexMode,data.fVertexCount,
-            data.fPoints, data.fTexCoords, data.fColors, NULL, data.fIndices,
-            data.fIndexCount, paint);
+        canvas->scale(1.3f, 1.f);
+        canvas->drawPatch(coons, paint);
 
         //draw control points
         SkPoint bottom[4];