Use a black background in imagefiltersgraph so 8888 and 565 look similar.

gm/imagefiltersgraph.cpp

 /*
  * Copyright 2012 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 "SkArithmeticMode.h"
@@ skipping 92 matching lines @@
 
 protected:
 
     virtual SkString onShortName() {
         return SkString("imagefiltersgraph");
     }
 
     void make_bitmap() {
         fBitmap.allocN32Pixels(100, 100);
         SkCanvas canvas(fBitmap);
-        canvas.clear(0x00000000);
+        canvas.clear(SK_ColorTRANSPARENT);
         SkPaint paint;
         paint.setAntiAlias(true);
         sk_tool_utils::set_portable_typeface(&paint);
-        paint.setColor(0xFFFFFFFF);
+        paint.setColor(SK_ColorWHITE);
         paint.setTextSize(SkIntToScalar(96));
         const char* str = "e";
         canvas.drawText(str, strlen(str), SkIntToScalar(20), SkIntToScalar(70), paint);
     }
 
     void drawClippedBitmap(SkCanvas* canvas, const SkBitmap& bitmap, const SkPaint& paint) {
         canvas->save();
         canvas->clipRect(SkRect::MakeXYWH(0, 0,
             SkIntToScalar(bitmap.width()), SkIntToScalar(bitmap.height())));
         canvas->drawBitmap(bitmap, 0, 0, &paint);
         canvas->restore();
     }
 
     virtual SkISize onISize() { return SkISize::Make(500, 150); }
 
     virtual void onOnceBeforeDraw() {
         this->make_bitmap();
     }
 
     virtual void onDraw(SkCanvas* canvas) {
-        canvas->clear(0x00000000);
+        canvas->clear(SK_ColorBLACK);
         {
             SkAutoTUnref<SkImageFilter> bitmapSource(SkBitmapSource::Create(fBitmap));
             SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED,
                                                          SkXfermode::kSrcIn_Mode));
             SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(4.0f, 4.0f, bitmapSource));
             SkAutoTUnref<SkImageFilter> erode(SkErodeImageFilter::Create(4, 4, blur));
             SkAutoTUnref<SkImageFilter> color(SkColorFilterImageFilter::Create(cf, erode));
             SkAutoTUnref<SkImageFilter> merge(SkMergeImageFilter::Create(blur, color));
 
             SkPaint paint;
@@ skipping 60 matching lines @@
                                                                             SkXfermode::kSrcIn_Mode));
             SkImageFilter::CropRect outerRect(SkRect::MakeXYWH(SkIntToScalar(10), SkIntToScalar(10),
                                                                SkIntToScalar(80), SkIntToScalar(80)));
             SkImageFilter::CropRect innerRect(SkRect::MakeXYWH(SkIntToScalar(20), SkIntToScalar(20),
                                                                SkIntToScalar(60), SkIntToScalar(60)));
             SkAutoTUnref<SkImageFilter> color1(SkColorFilterImageFilter::Create(cf1, NULL, &outerRect));
             SkAutoTUnref<SkImageFilter> color2(SkColorFilterImageFilter::Create(cf2, color1, &innerRect));
 
             SkPaint paint;
             paint.setImageFilter(color2);
-            paint.setColor(0xFFFF0000);
+            paint.setColor(SK_ColorRED);
             canvas->drawRect(SkRect::MakeXYWH(0, 0, 100, 100), paint);
             canvas->translate(SkIntToScalar(100), 0);
         }
     }
 
 private:
     typedef GM INHERITED;
     SkBitmap fBitmap;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static skiagm::GM* MyFactory(void*) { return new ImageFiltersGraphGM; }
 static skiagm::GMRegistry reg(MyFactory);