Revert of Revert of make gm background colors 565 compatible

gm/gradients.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkGradientShader.h"
 
@@ skipping 83 matching lines @@
                                SkShader::TileMode tm, const SkMatrix& localMatrix);
 static const GradMaker gGradMakers[] = {
     MakeLinear, MakeRadial, MakeSweep, Make2Radial, Make2Conical
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 class GradientsGM : public GM {
 public:
     GradientsGM() {
-        this->setBGColor(0xFFDDDDDD);
+        this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
     }
 
 protected:
 
     SkString onShortName() {
         return SkString("gradients");
     }
 
     virtual SkISize onISize() { return SkISize::Make(840, 815); }
 
@@ skipping 34 matching lines @@
 private:
     typedef GM INHERITED;
 };
 DEF_GM( return new GradientsGM; )
 
 // Based on the original gradient slide, but with perspective applied to the
 // gradient shaders' local matrices
 class GradientsLocalPerspectiveGM : public GM {
 public:
     GradientsLocalPerspectiveGM() {
-        this->setBGColor(0xFFDDDDDD);
+        this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
     }
 
 protected:
 
     SkString onShortName() {
         return SkString("gradients_local_perspective");
     }
 
     virtual SkISize onISize() { return SkISize::Make(840, 815); }
 
@@ skipping 284 matching lines @@
         paint.setShader(fShader);
         canvas->drawRect(SkRect::MakeWH(500, 500), paint);
     }
     
 private:
     typedef GM INHERITED;
 };
 DEF_GM( return new RadialGradient3GM; )
 
 }