Convert unit tests, GMs from SkBitmapSource to SkImagesource

gm/resizeimagefilter.cpp

 /*
  * Copyright 2013 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 "SkBitmapSource.h"
 #include "SkColor.h"
+#include "SkImageSource.h"
 #include "SkRefCnt.h"
+#include "SkSurface.h"
 
 namespace skiagm {
 
 class ResizeGM : public GM {
 public:
     ResizeGM() {
         this->setBGColor(0x00000000);
     }
 
 protected:
@@ skipping 57 matching lines @@
              srcRect,
              deviceSize,
              kMedium_SkFilterQuality);
 
         canvas->translate(srcRect.width() + SkIntToScalar(10), 0);
         draw(canvas,
              srcRect,
              deviceSize,
              kHigh_SkFilterQuality);
 
-        SkBitmap bitmap;
-        bitmap.allocN32Pixels(16, 16);
-        bitmap.eraseARGB(0x00, 0x00, 0x00, 0x00);
+        SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(16, 16));
+        SkCanvas* surfaceCanvas = surface->getCanvas();
+        surfaceCanvas->clear(0x000000);
         {
-            SkCanvas bitmapCanvas(bitmap);
             SkPaint paint;
             paint.setColor(0xFF00FF00);
             SkRect ovalRect = SkRect::MakeWH(16, 16);
             ovalRect.inset(SkIntToScalar(2)/3, SkIntToScalar(2)/3);
-            bitmapCanvas.drawOval(ovalRect, paint);
+            surfaceCanvas->drawOval(ovalRect, paint);
         }
+        SkAutoTUnref<SkImage> image(surface->newImageSnapshot());
         SkRect inRect = SkRect::MakeXYWH(-4, -4, 20, 20);
         SkRect outRect = SkRect::MakeXYWH(-24, -24, 120, 120);
-        SkAutoTUnref<SkBitmapSource> source(SkBitmapSource::Create(bitmap, inRect, outRect));
+        SkAutoTUnref<SkImageFilter> source(
+            SkImageSource::Create(image, inRect, outRect, kHigh_SkFilterQuality));
         canvas->translate(srcRect.width() + SkIntToScalar(10), 0);
         draw(canvas,
              srcRect,
              deviceSize,
              kHigh_SkFilterQuality,
              source.get());
     }
 
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new ResizeGM; }
 static GMRegistry reg(MyFactory);
 
 }