Factory methods for heap-allocated SkImageFilter objects.

gm/imagefiltersscaled.cpp

Index: gm/imagefiltersscaled.cpp
diff --git a/gm/imagefiltersscaled.cpp b/gm/imagefiltersscaled.cpp
index ab24a3025f170685cbdea17b188ddb80ba511cb2..809e7ea3445937dc3526586a61f4728756a0beaf 100644
--- a/gm/imagefiltersscaled.cpp
+++ b/gm/imagefiltersscaled.cpp
@@ -86,24 +86,24 @@ protected:
         }
         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));
         SkAutoTUnref<SkShader> noise(SkPerlinNoiseShader::CreateFractalNoise(
             SkDoubleToScalar(0.1), SkDoubleToScalar(0.05), 1, 0));
 
         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),
             SkRectShaderImageFilter::Create(noise),
         };