Convert unit tests, GMs from SkBitmapSource to SkImagesource

gm/imagefiltersscaled.cpp

Index: gm/imagefiltersscaled.cpp
diff --git a/gm/imagefiltersscaled.cpp b/gm/imagefiltersscaled.cpp
index e98749ebac3bd18ac561b4823e1b8fe252e4f8f9..3221c88cae87a194dfbcc617c5f74f5540a40081 100644
--- a/gm/imagefiltersscaled.cpp
+++ b/gm/imagefiltersscaled.cpp
@@ -6,12 +6,13 @@
  */
 
 #include "sk_tool_utils.h"
-#include "SkBitmapSource.h"
 #include "SkBlurImageFilter.h"
 #include "SkColor.h"
 #include "SkDisplacementMapEffect.h"
 #include "SkDropShadowImageFilter.h"
 #include "SkGradientShader.h"
+#include "SkImage.h"
+#include "SkImageSource.h"
 #include "SkLightingImageFilter.h"
 #include "SkMorphologyImageFilter.h"
 #include "SkOffsetImageFilter.h"
@@ -19,6 +20,7 @@
 #include "SkPoint3.h"
 #include "SkRectShaderImageFilter.h"
 #include "SkScalar.h"
+#include "SkSurface.h"
 #include "gm.h"
 
 #define RESIZE_FACTOR SkIntToScalar(4)
@@ -41,36 +43,17 @@ protected:
         return SkISize::Make(1428, 500);
     }
 
-    void makeGradientCircle(int width, int height) {
-        SkScalar x = SkIntToScalar(width / 2);
-        SkScalar y = SkIntToScalar(height / 2);
-        SkScalar radius = SkScalarMul(SkMinScalar(x, y), SkIntToScalar(4) / SkIntToScalar(5));
-        fGradientCircle.allocN32Pixels(width, height);
-        SkCanvas canvas(fGradientCircle);
-        canvas.clear(0x00000000);
-        SkColor colors[2];
-        colors[0] = SK_ColorWHITE;
-        colors[1] = SK_ColorBLACK;
-        SkAutoTUnref<SkShader> shader(
-            SkGradientShader::CreateRadial(SkPoint::Make(x, y), radius, colors, nullptr, 2,
-                                           SkShader::kClamp_TileMode)
-        );
-        SkPaint paint;
-        paint.setShader(shader);
-        canvas.drawCircle(x, y, radius, paint);
-    }
-
     void onOnceBeforeDraw() override {
-        fCheckerboard = sk_tool_utils::create_checkerboard_bitmap(64, 64,
-                                                                  0xFFA0A0A0, 0xFF404040, 8);
-        this->makeGradientCircle(64, 64);
+        fCheckerboard.reset(SkImage::NewFromBitmap(
+            sk_tool_utils::create_checkerboard_bitmap(64, 64, 0xFFA0A0A0, 0xFF404040, 8)));
+        fGradientCircle.reset(MakeGradientCircle(64, 64));
     }
 
     void onDraw(SkCanvas* canvas) override {
         canvas->clear(SK_ColorBLACK);
 
-        SkAutoTUnref<SkImageFilter> gradient(SkBitmapSource::Create(fGradientCircle));
-        SkAutoTUnref<SkImageFilter> checkerboard(SkBitmapSource::Create(fCheckerboard));
+        SkAutoTUnref<SkImageFilter> gradient(SkImageSource::Create(fGradientCircle));
+        SkAutoTUnref<SkImageFilter> checkerboard(SkImageSource::Create(fCheckerboard));
         SkAutoTUnref<SkShader> noise(SkPerlinNoiseShader::CreateFractalNoise(
             SkDoubleToScalar(0.1), SkDoubleToScalar(0.05), 1, 0));
 
@@ -150,8 +133,28 @@ protected:
     }
 
 private:
-    SkBitmap fCheckerboard;
-    SkBitmap fGradientCircle;
+    static SkImage* MakeGradientCircle(int width, int height) {
+        SkScalar x = SkIntToScalar(width / 2);
+        SkScalar y = SkIntToScalar(height / 2);
+        SkScalar radius = SkScalarMul(SkMinScalar(x, y), SkIntToScalar(4) / SkIntToScalar(5));
+        SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(width, height));
+        SkCanvas* canvas = surface->getCanvas();
+        canvas->clear(0x00000000);
+        SkColor colors[2];
+        colors[0] = SK_ColorWHITE;
+        colors[1] = SK_ColorBLACK;
+        SkAutoTUnref<SkShader> shader(
+            SkGradientShader::CreateRadial(SkPoint::Make(x, y), radius, colors, nullptr, 2,
+                                           SkShader::kClamp_TileMode)
+        );
+        SkPaint paint;
+        paint.setShader(shader);
+        canvas->drawCircle(x, y, radius, paint);
+
+        return surface->newImageSnapshot();
+    }
+
+    SkAutoTUnref<SkImage> fCheckerboard, fGradientCircle;
 
     typedef GM INHERITED;
 };