Factory methods for heap-allocated SkImageFilter objects.

gm/imagefiltersscaled.cpp

 /*
  * Copyright 2014 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 "SkColor.h"
 #include "SkBitmapSource.h"
@@ skipping 66 matching lines @@
     }
 
     virtual void onDraw(SkCanvas* canvas) {
         if (!fInitialized) {
             this->make_checkerboard();
             this->make_gradient_circle(64, 64);
             fInitialized = true;
         }
         canvas->clear(0x00000000);
 
-        SkAutoTUnref<SkImageFilter> gradient(new SkBitmapSource(fGradientCircle));
-        SkAutoTUnref<SkImageFilter> checkerboard(new SkBitmapSource(fCheckerboard));
+        SkAutoTUnref<SkImageFilter> gradient(SkBitmapSource::Create(fGradientCircle));
+        SkAutoTUnref<SkImageFilter> checkerboard(SkBitmapSource::Create(fCheckerboard));
 
         SkImageFilter* filters[] = {
-            new SkBlurImageFilter(SkIntToScalar(4), SkIntToScalar(4)),
-            new SkDropShadowImageFilter(SkIntToScalar(5), SkIntToScalar(10), SkIntToScalar(3),
-                                        SK_ColorYELLOW),
-            new SkDisplacementMapEffect(SkDisplacementMapEffect::kR_ChannelSelectorType,
-                                        SkDisplacementMapEffect::kR_ChannelSelectorType,
-                                        SkIntToScalar(12),
-                                        gradient.get(),
-                                        checkerboard.get()),
-            new SkDilateImageFilter(1, 1, checkerboard.get()),
-            new SkErodeImageFilter(1, 1, checkerboard.get()),
-            new SkOffsetImageFilter(SkIntToScalar(32), 0),
-            new SkResizeImageFilter(RESIZE_FACTOR, RESIZE_FACTOR, SkPaint::kNone_FilterLevel),
+            SkBlurImageFilter::Create(SkIntToScalar(4), SkIntToScalar(4)),
+            SkDropShadowImageFilter::Create(SkIntToScalar(5), SkIntToScalar(10), SkIntToScalar(3),
+                                            SK_ColorYELLOW),
+            SkDisplacementMapEffect::Create(SkDisplacementMapEffect::kR_ChannelSelectorType,
+                                            SkDisplacementMapEffect::kR_ChannelSelectorType,
+                                            SkIntToScalar(12),
+                                            gradient.get(),
+                                            checkerboard.get()),
+            SkDilateImageFilter::Create(1, 1, checkerboard.get()),
+            SkErodeImageFilter::Create(1, 1, checkerboard.get()),
+            SkOffsetImageFilter::Create(SkIntToScalar(32), 0),
+            SkResizeImageFilter::Create(RESIZE_FACTOR, RESIZE_FACTOR, SkPaint::kNone_FilterLevel),
         };
 
         SkVector scales[] = {
             SkVector::Make(SkScalarInvert(2), SkScalarInvert(2)),
             SkVector::Make(SkIntToScalar(1), SkIntToScalar(1)),
             SkVector::Make(SkIntToScalar(1), SkIntToScalar(2)),
             SkVector::Make(SkIntToScalar(2), SkIntToScalar(1)),
             SkVector::Make(SkIntToScalar(2), SkIntToScalar(2)),
         };
 
@@ skipping 37 matching lines @@
     SkBitmap fGradientCircle;
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new ImageFiltersScaledGM; }
 static GMRegistry reg(MyFactory);
 
 }