1 2 /* 3 * Copyright 2011 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 #include "gm.h" 9 #include "SkBlurMaskFilter.h" 10 11 namespace skiagm { 12 13 class BlursGM : public GM { 14 public: 15 BlursGM() { 16 this->setBGColor(0xFFDDDDDD); 17 } 18 19 protected: 20 virtual SkString onShortName() { 21 return SkString("blurs"); 22 } 23 24 virtual SkISize onISize() { 25 return make_isize(700, 500); 26 } 27 28 virtual void onDraw(SkCanvas* canvas) { 29 SkBlurMaskFilter::BlurStyle NONE = SkBlurMaskFilter::BlurStyle(-999); 30 static const struct { 31 SkBlurMaskFilter::BlurStyle fStyle; 32 int fCx, fCy; 33 } gRecs[] = { 34 { NONE, 0, 0 }, 35 { SkBlurMaskFilter::kInner_BlurStyle, -1, 0 }, 36 { SkBlurMaskFilter::kNormal_BlurStyle, 0, 1 }, 37 { SkBlurMaskFilter::kSolid_BlurStyle, 0, -1 }, 38 { SkBlurMaskFilter::kOuter_BlurStyle, 1, 0 }, 39 }; 40 41 SkPaint paint; 42 paint.setAntiAlias(true); 43 paint.setTextSize(SkIntToScalar(25)); 44 canvas->translate(SkIntToScalar(-40), SkIntToScalar(0)); 45 46 SkBlurMaskFilter::BlurFlags flags = SkBlurMaskFilter::kNone_BlurFlag; 47 for (int j = 0; j < 2; j++) { 48 canvas->save(); 49 paint.setColor(SK_ColorBLUE); 50 for (size_t i = 0; i < SK_ARRAY_COUNT(gRecs); i++) { 51 if (gRecs[i].fStyle != NONE) { 52 SkMaskFilter* mf = SkBlurMaskFilter::Create( 53 SkIntToScalar(20), gRecs[i].fStyle, flags 54 ); 55 paint.setMaskFilter(mf)->unref(); 56 } else { 57 paint.setMaskFilter(NULL); 58 } 59 canvas->drawCircle(SkIntToScalar(200 + gRecs[i].fCx*100) 60 , SkIntToScalar(200 + gRecs[i].fCy*100) 61 , SkIntToScalar(50) 62 , paint); 63 } 64 // draw text 65 { 66 SkMaskFilter* mf = SkBlurMaskFilter::Create( 67 SkIntToScalar(4) 68 , SkBlurMaskFilter::kNormal_BlurStyle 69 , flags 70 ); 71 paint.setMaskFilter(mf)->unref(); 72 SkScalar x = SkIntToScalar(70); 73 SkScalar y = SkIntToScalar(400); 74 paint.setColor(SK_ColorBLACK); 75 canvas->drawText("Hamburgefons Style", 18, x, y, paint); 76 canvas->drawText("Hamburgefons Style", 18 77 , x, y + SkIntToScalar(50), paint); 78 paint.setMaskFilter(NULL); 79 paint.setColor(SK_ColorWHITE); 80 x -= SkIntToScalar(2); 81 y -= SkIntToScalar(2); 82 canvas->drawText("Hamburgefons Style", 18, x, y, paint); 83 } 84 canvas->restore(); 85 flags = SkBlurMaskFilter::kHighQuality_BlurFlag; 86 canvas->translate(SkIntToScalar(350), SkIntToScalar(0)); 87 } 88 } 89 90 private: 91 typedef GM INHERITED; 92 }; 93 94 ////////////////////////////////////////////////////////////////////////////// 95 96 static GM* MyFactory(void*) { return new BlursGM; } 97 static GMRegistry reg(MyFactory); 98 99 } 100 101
