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 "gm.h" 9 #include "SkBlurImageFilter.h" 10 #include "SkRandom.h" 11 12 #define WIDTH 500 13 #define HEIGHT 500 14 15 namespace skiagm { 16 17 class ImageBlurGM : public GM { 18 public: ImageBlurGM()19 ImageBlurGM() { 20 this->setBGColor(0xFF000000); 21 } 22 23 protected: onShortName()24 virtual SkString onShortName() { 25 return SkString("imageblur"); 26 } 27 onISize()28 virtual SkISize onISize() { 29 return make_isize(WIDTH, HEIGHT); 30 } 31 onDraw(SkCanvas * canvas)32 virtual void onDraw(SkCanvas* canvas) { 33 SkPaint paint; 34 paint.setImageFilter(new SkBlurImageFilter(24.0f, 0.0f))->unref(); 35 canvas->saveLayer(NULL, &paint); 36 const char* str = "The quick brown fox jumped over the lazy dog."; 37 38 SkRandom rand; 39 SkPaint textPaint; 40 textPaint.setAntiAlias(true); 41 for (int i = 0; i < 25; ++i) { 42 int x = rand.nextULessThan(WIDTH); 43 int y = rand.nextULessThan(HEIGHT); 44 textPaint.setColor(rand.nextBits(24) | 0xFF000000); 45 textPaint.setTextSize(rand.nextRangeScalar(0, 300)); 46 canvas->drawText(str, strlen(str), SkIntToScalar(x), 47 SkIntToScalar(y), textPaint); 48 } 49 canvas->restore(); 50 } 51 52 private: 53 typedef GM INHERITED; 54 }; 55 56 ////////////////////////////////////////////////////////////////////////////// 57 MyFactory(void *)58static GM* MyFactory(void*) { return new ImageBlurGM; } 59 static GMRegistry reg(MyFactory); 60 61 } 62