1 /* 2 * Copyright 2013 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 #include "SkBenchmark.h" 8 #include "SkBitmapDevice.h" 9 #include "SkBitmapSource.h" 10 #include "SkCanvas.h" 11 #include "SkMergeImageFilter.h" 12 13 #define FILTER_WIDTH_SMALL SkIntToScalar(32) 14 #define FILTER_HEIGHT_SMALL SkIntToScalar(32) 15 #define FILTER_WIDTH_LARGE SkIntToScalar(256) 16 #define FILTER_HEIGHT_LARGE SkIntToScalar(256) 17 18 class MergeBench : public SkBenchmark { 19 public: MergeBench(bool small)20 MergeBench(bool small) : fIsSmall(small), fInitialized(false) { } 21 22 protected: onGetName()23 virtual const char* onGetName() SK_OVERRIDE { 24 return fIsSmall ? "merge_small" : "merge_large"; 25 } 26 onPreDraw()27 virtual void onPreDraw() SK_OVERRIDE { 28 if (!fInitialized) { 29 make_bitmap(); 30 make_checkerboard(); 31 fInitialized = true; 32 } 33 } 34 onDraw(const int loops,SkCanvas * canvas)35 virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { 36 SkRect r = fIsSmall ? SkRect::MakeWH(FILTER_WIDTH_SMALL, FILTER_HEIGHT_SMALL) : 37 SkRect::MakeWH(FILTER_WIDTH_LARGE, FILTER_HEIGHT_LARGE); 38 SkPaint paint; 39 paint.setImageFilter(mergeBitmaps())->unref(); 40 for (int i = 0; i < loops; i++) { 41 canvas->drawRect(r, paint); 42 } 43 } 44 45 private: mergeBitmaps()46 SkImageFilter* mergeBitmaps() { 47 SkImageFilter* first = new SkBitmapSource(fCheckerboard); 48 SkImageFilter* second = new SkBitmapSource(fBitmap); 49 SkAutoUnref aur0(first); 50 SkAutoUnref aur1(second); 51 return new SkMergeImageFilter(first, second); 52 } 53 make_bitmap()54 void make_bitmap() { 55 fBitmap.setConfig(SkBitmap::kARGB_8888_Config, 80, 80); 56 fBitmap.allocPixels(); 57 SkBitmapDevice device(fBitmap); 58 SkCanvas canvas(&device); 59 canvas.clear(0x00000000); 60 SkPaint paint; 61 paint.setAntiAlias(true); 62 paint.setColor(0xFF884422); 63 paint.setTextSize(SkIntToScalar(96)); 64 const char* str = "g"; 65 canvas.drawText(str, strlen(str), SkIntToScalar(15), SkIntToScalar(55), paint); 66 } 67 make_checkerboard()68 void make_checkerboard() { 69 fCheckerboard.setConfig(SkBitmap::kARGB_8888_Config, 80, 80); 70 fCheckerboard.allocPixels(); 71 SkBitmapDevice device(fCheckerboard); 72 SkCanvas canvas(&device); 73 canvas.clear(0x00000000); 74 SkPaint darkPaint; 75 darkPaint.setColor(0xFF804020); 76 SkPaint lightPaint; 77 lightPaint.setColor(0xFF244484); 78 for (int y = 0; y < 80; y += 16) { 79 for (int x = 0; x < 80; x += 16) { 80 canvas.save(); 81 canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); 82 canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint); 83 canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint); 84 canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint); 85 canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint); 86 canvas.restore(); 87 } 88 } 89 } 90 91 bool fIsSmall; 92 bool fInitialized; 93 SkBitmap fBitmap, fCheckerboard; 94 95 typedef SkBenchmark INHERITED; 96 }; 97 98 /////////////////////////////////////////////////////////////////////////////// 99 100 DEF_BENCH( return new MergeBench(true); ) 101 DEF_BENCH( return new MergeBench(false); ) 102