Update blur image filter bench to have crop variation

bench/BlurImageFilterBench.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 "Benchmark.h"
 #include "SkBlurImageFilter.h"
 #include "SkCanvas.h"
 #include "SkPaint.h"
 #include "SkRandom.h"
 #include "SkShader.h"
 #include "SkString.h"
 
 #define FILTER_WIDTH_SMALL  32
 #define FILTER_HEIGHT_SMALL 32
 #define FILTER_WIDTH_LARGE  256
 #define FILTER_HEIGHT_LARGE 256
 #define BLUR_SIGMA_MINI     0.5f
 #define BLUR_SIGMA_SMALL    1.0f
 #define BLUR_SIGMA_LARGE    10.0f
 #define BLUR_SIGMA_HUGE     80.0f
 
 class BlurImageFilterBench : public Benchmark {
 public:
-    BlurImageFilterBench(SkScalar sigmaX, SkScalar sigmaY,  bool small) :
-        fIsSmall(small), fInitialized(false), fSigmaX(sigmaX), fSigmaY(sigmaY) {
-        fName.printf("blur_image_filter_%s_%.2f_%.2f", fIsSmall ? "small" : "large",
-            SkScalarToFloat(sigmaX), SkScalarToFloat(sigmaY));
+    BlurImageFilterBench(SkScalar sigmaX, SkScalar sigmaY,  bool small, bool cropped) :
+        fIsSmall(small), fIsCropped(cropped), fInitialized(false), fSigmaX(sigmaX), fSigmaY(sigmaY) {
+        fName.printf("blur_image_filter_%s%s_%.2f_%.2f", fIsSmall ? "small" : "large",
+            fIsCropped ? "_cropped" : "", SkScalarToFloat(sigmaX), SkScalarToFloat(sigmaY));
     }
 
 protected:
     const char* onGetName() override {
         return fName.c_str();
     }
 
     void onPreDraw() override {
         if (!fInitialized) {
             make_checkerboard();
             fInitialized = true;
         }
     }
 
     void onDraw(const int loops, SkCanvas* canvas) override {
         SkPaint paint;
-        paint.setImageFilter(SkBlurImageFilter::Create(fSigmaX, fSigmaY))->unref();
+        static const SkScalar kX = 0;
+        static const SkScalar kY = 0;
+        const SkRect bmpRect = SkRect::MakeXYWH(kX, kY,
+                                                SkIntToScalar(fCheckerboard.width()),
+                                                SkIntToScalar(fCheckerboard.height()));
+        const SkImageFilter::CropRect cropRect =
+                                        SkImageFilter::CropRect(bmpRect.makeInset(10.f, 10.f));
+        const SkImageFilter::CropRect* crop = fIsCropped ? &cropRect : NULL;
+
+        paint.setImageFilter(SkBlurImageFilter::Create(fSigmaX, fSigmaY, NULL, crop))->unref();
 
         for (int i = 0; i < loops; i++) {
-            canvas->drawBitmap(fCheckerboard, 0, 0, &paint);
+            canvas->drawBitmap(fCheckerboard, kX, kY, &paint);
         }
     }
 
 private:
     void make_checkerboard() {
         const int w = fIsSmall ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE;
         const int h = fIsSmall ? FILTER_HEIGHT_LARGE : FILTER_HEIGHT_LARGE;
         fCheckerboard.allocN32Pixels(w, h);
         SkCanvas canvas(fCheckerboard);
         canvas.clear(0x00000000);
         SkPaint darkPaint;
         darkPaint.setColor(0xFF804020);
         SkPaint lightPaint;
         lightPaint.setColor(0xFF244484);
         for (int y = 0; y < h; y += 16) {
             for (int x = 0; x < w; x += 16) {
                 canvas.save();
                 canvas.translate(SkIntToScalar(x), SkIntToScalar(y));
                 canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint);
                 canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint);
                 canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint);
                 canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint);
                 canvas.restore();
             }
         }
     }
 
     SkString fName;
     bool fIsSmall;
+    bool fIsCropped;
     bool fInitialized;
     SkBitmap fCheckerboard;
     SkScalar fSigmaX, fSigmaY;
     typedef Benchmark INHERITED;
 };
 
-DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false);)
-DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false);)
-DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false);)
-DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false);)
-DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true);)
-DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false);)
-DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true);)
-DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false);)
-DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true);)
-DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false);)
-DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true);)
-DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false, false);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false, false);)
+DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false, false);)
+DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false, false);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true, false);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false, false);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true, false);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false, false);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true, false);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false, false);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true, false);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false, false);)
+
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false, true);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false, true);)
+DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false, true);)
+DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false, true);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true, true);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false, true);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true, true);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false, true);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true, true);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false, true);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true, true);)
+DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false, true);)