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