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/gm.h" 9 #include "include/core/SkCanvas.h" 10 #include "include/core/SkColor.h" 11 #include "include/core/SkPaint.h" 12 #include "include/core/SkPathBuilder.h" 13 #include "include/core/SkRect.h" 14 #include "include/core/SkScalar.h" 15 #include "include/core/SkSize.h" 16 #include "include/core/SkString.h" 17 18 namespace skiagm { 19 20 class FillTypeGM : public GM { 21 SkPath fPath; 22 public: FillTypeGM()23 FillTypeGM() { 24 this->setBGColor(0xFFDDDDDD); 25 } 26 makePath()27 void makePath() { 28 if (fPath.isEmpty()) { 29 const SkScalar radius = SkIntToScalar(45); 30 fPath = SkPathBuilder().addCircle(SkIntToScalar(50), SkIntToScalar(50), radius) 31 .addCircle(SkIntToScalar(100), SkIntToScalar(100), radius) 32 .detach(); 33 } 34 } 35 36 protected: getName() const37 SkString getName() const override { return SkString("filltypes"); } 38 getISize()39 SkISize getISize() override { return SkISize::Make(835, 840); } 40 showPath(SkCanvas * canvas,int x,int y,SkPathFillType ft,SkScalar scale,const SkPaint & paint)41 void showPath(SkCanvas* canvas, int x, int y, SkPathFillType ft, 42 SkScalar scale, const SkPaint& paint) { 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 showFour(SkCanvas * canvas,SkScalar scale,const SkPaint & paint)57 void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) { 58 showPath(canvas, 0, 0, SkPathFillType::kWinding, 59 scale, paint); 60 showPath(canvas, 200, 0, SkPathFillType::kEvenOdd, 61 scale, paint); 62 showPath(canvas, 00, 200, SkPathFillType::kInverseWinding, 63 scale, paint); 64 showPath(canvas, 200, 200, SkPathFillType::kInverseEvenOdd, 65 scale, paint); 66 } 67 onDraw(SkCanvas * canvas)68 void onDraw(SkCanvas* canvas) override { 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 using INHERITED = GM; 92 }; 93 94 ////////////////////////////////////////////////////////////////////////////// 95 96 DEF_GM( return new FillTypeGM; ) 97 98 } // namespace skiagm 99