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: 22 FontScalerBench(void* param, bool doLCD) : INHERITED(param) { 23 fName.printf("fontscaler_%s", doLCD ? "lcd" : "aa"); 24 fText.set("abcdefghijklmnopqrstuvwxyz01234567890"); 25 fDoLCD = doLCD; 26 } 27 28 protected: 29 virtual const char* onGetName() { return fName.c_str(); } 30 virtual void onDraw(SkCanvas* canvas) { 31 SkPaint paint; 32 this->setupPaint(&paint); 33 paint.setLCDRenderText(fDoLCD); 34 35 bool prev = gSkSuppressFontCachePurgeSpew; 36 gSkSuppressFontCachePurgeSpew = true; 37 38 // this is critical - we want to time the creation process, so we 39 // explicitly flush our cache before each run 40 SkGraphics::PurgeFontCache(); 41 42 for (int ps = 9; ps <= 24; ps += 2) { 43 paint.setTextSize(SkIntToScalar(ps)); 44 canvas->drawText(fText.c_str(), fText.size(), 45 0, SkIntToScalar(20), paint); 46 } 47 48 gSkSuppressFontCachePurgeSpew = prev; 49 } 50 private: 51 typedef SkBenchmark INHERITED; 52 }; 53 54 /////////////////////////////////////////////////////////////////////////////// 55 56 static SkBenchmark* Fact0(void* p) { return SkNEW_ARGS(FontScalerBench, (p, false)); } 57 static SkBenchmark* Fact1(void* p) { return SkNEW_ARGS(FontScalerBench, (p, true)); } 58 59 static BenchRegistry gReg0(Fact0); 60 static BenchRegistry gReg1(Fact1); 61
