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: 19 ImageBlurGM(SkScalar sigmaX, SkScalar sigmaY, const char* suffix) 20 : fSigmaX(sigmaX), fSigmaY(sigmaY) { 21 this->setBGColor(0xFF000000); 22 fName.printf("imageblur%s", suffix); 23 } 24 25 protected: 26 virtual uint32_t onGetFlags() const SK_OVERRIDE { 27 return kSkipTiled_Flag; 28 } 29 30 virtual SkString onShortName() { 31 return fName; 32 } 33 34 virtual SkISize onISize() { 35 return SkISize::Make(WIDTH, HEIGHT); 36 } 37 38 virtual void onDraw(SkCanvas* canvas) { 39 SkPaint paint; 40 paint.setImageFilter(SkBlurImageFilter::Create(fSigmaX, fSigmaY))->unref(); 41 canvas->saveLayer(NULL, &paint); 42 const char* str = "The quick brown fox jumped over the lazy dog."; 43 44 SkRandom rand; 45 SkPaint textPaint; 46 textPaint.setAntiAlias(true); 47 sk_tool_utils::set_portable_typeface(&textPaint); 48 for (int i = 0; i < 25; ++i) { 49 int x = rand.nextULessThan(WIDTH); 50 int y = rand.nextULessThan(HEIGHT); 51 textPaint.setColor(rand.nextBits(24) | 0xFF000000); 52 textPaint.setTextSize(rand.nextRangeScalar(0, 300)); 53 canvas->drawText(str, strlen(str), SkIntToScalar(x), 54 SkIntToScalar(y), textPaint); 55 } 56 canvas->restore(); 57 } 58 59 private: 60 SkScalar fSigmaX; 61 SkScalar fSigmaY; 62 SkString fName; 63 64 typedef GM INHERITED; 65 }; 66 67 ////////////////////////////////////////////////////////////////////////////// 68 69 static GM* MyFactory1(void*) { return new ImageBlurGM(24.0f, 0.0f, ""); } 70 static GMRegistry reg1(MyFactory1); 71 72 static GM* MyFactory2(void*) { return new ImageBlurGM(80.0f, 80.0f, "_large"); } 73 static GMRegistry reg2(MyFactory2); 74 75 } 76
