1 /* 2 * Copyright 2011 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 8 #include "SkBenchmark.h" 9 #include "SkCanvas.h" 10 #include "SkGraphics.h" 11 #include "SkPaint.h" 12 #include "SkRandom.h" 13 #include "SkString.h" 14 15 extern bool gSkSuppressFontCachePurgeSpew; 16 17 class FontScalerBench : public SkBenchmark { 18 SkString fName; 19 SkString fText; 20 bool fDoLCD; 21 public: FontScalerBench(bool doLCD)22 FontScalerBench(bool doLCD) { 23 fName.printf("fontscaler_%s", doLCD ? "lcd" : "aa"); 24 fText.set("abcdefghijklmnopqrstuvwxyz01234567890"); 25 fDoLCD = doLCD; 26 } 27 28 protected: onGetName()29 virtual const char* onGetName() { return fName.c_str(); } onDraw(const int loops,SkCanvas * canvas)30 virtual void onDraw(const int loops, SkCanvas* canvas) { 31 SkPaint paint; 32 this->setupPaint(&paint); 33 paint.setLCDRenderText(fDoLCD); 34 35 bool prev = gSkSuppressFontCachePurgeSpew; 36 gSkSuppressFontCachePurgeSpew = true; 37 38 for (int i = 0; i < loops; i++) { 39 // this is critical - we want to time the creation process, so we 40 // explicitly flush our cache before each run 41 SkGraphics::PurgeFontCache(); 42 43 for (int ps = 9; ps <= 24; ps += 2) { 44 paint.setTextSize(SkIntToScalar(ps)); 45 canvas->drawText(fText.c_str(), fText.size(), 46 0, SkIntToScalar(20), paint); 47 } 48 } 49 50 gSkSuppressFontCachePurgeSpew = prev; 51 } 52 private: 53 typedef SkBenchmark INHERITED; 54 }; 55 56 /////////////////////////////////////////////////////////////////////////////// 57 58 DEF_BENCH( return SkNEW_ARGS(FontScalerBench, (false)); ) 59 DEF_BENCH( return SkNEW_ARGS(FontScalerBench, (true)); ) 60