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 10 namespace skiagm { 11 12 class FillTypeGM : public GM { 13 SkPath fPath; 14 public: 15 FillTypeGM() { 16 this->setBGColor(0xFFDDDDDD); 17 } 18 19 void makePath() { 20 if (fPath.isEmpty()) { 21 const SkScalar radius = SkIntToScalar(45); 22 fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius); 23 fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius); 24 } 25 } 26 27 protected: 28 virtual uint32_t onGetFlags() const SK_OVERRIDE { 29 return kSkipTiled_Flag; 30 } 31 32 virtual SkString onShortName() { 33 return SkString("filltypes"); 34 } 35 36 virtual SkISize onISize() { 37 return SkISize::Make(835, 840); 38 } 39 40 void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft, 41 SkScalar scale, const SkPaint& paint) { 42 43 const SkRect r = { 0, 0, SkIntToScalar(150), SkIntToScalar(150) }; 44 45 canvas->save(); 46 canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); 47 canvas->clipRect(r); 48 canvas->drawColor(SK_ColorWHITE); 49 fPath.setFillType(ft); 50 canvas->translate(r.centerX(), r.centerY()); 51 canvas->scale(scale, scale); 52 canvas->translate(-r.centerX(), -r.centerY()); 53 canvas->drawPath(fPath, paint); 54 canvas->restore(); 55 } 56 57 void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) { 58 showPath(canvas, 0, 0, SkPath::kWinding_FillType, 59 scale, paint); 60 showPath(canvas, 200, 0, SkPath::kEvenOdd_FillType, 61 scale, paint); 62 showPath(canvas, 00, 200, SkPath::kInverseWinding_FillType, 63 scale, paint); 64 showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType, 65 scale, paint); 66 } 67 68 virtual void onDraw(SkCanvas* canvas) { 69 this->makePath(); 70 71 canvas->translate(SkIntToScalar(20), SkIntToScalar(20)); 72 73 SkPaint paint; 74 const SkScalar scale = SkIntToScalar(5)/4; 75 76 paint.setAntiAlias(false); 77 78 showFour(canvas, SK_Scalar1, paint); 79 canvas->translate(SkIntToScalar(450), 0); 80 showFour(canvas, scale, paint); 81 82 paint.setAntiAlias(true); 83 84 canvas->translate(SkIntToScalar(-450), SkIntToScalar(450)); 85 showFour(canvas, SK_Scalar1, paint); 86 canvas->translate(SkIntToScalar(450), 0); 87 showFour(canvas, scale, paint); 88 } 89 90 private: 91 typedef GM INHERITED; 92 }; 93 94 ////////////////////////////////////////////////////////////////////////////// 95 96 static GM* MyFactory(void*) { return new FillTypeGM; } 97 static GMRegistry reg(MyFactory); 98 99 } 100
