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/SkPath.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.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius); 31 fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius); 32 } 33 } 34 35 protected: 36 onShortName()37 SkString onShortName() override { 38 return SkString("filltypes"); 39 } 40 onISize()41 SkISize onISize() override { 42 return SkISize::Make(835, 840); 43 } 44 showPath(SkCanvas * canvas,int x,int y,SkPath::FillType ft,SkScalar scale,const SkPaint & paint)45 void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft, 46 SkScalar scale, const SkPaint& paint) { 47 const SkRect r = { 0, 0, SkIntToScalar(150), SkIntToScalar(150) }; 48 49 canvas->save(); 50 canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); 51 canvas->clipRect(r); 52 canvas->drawColor(SK_ColorWHITE); 53 fPath.setFillType(ft); 54 canvas->translate(r.centerX(), r.centerY()); 55 canvas->scale(scale, scale); 56 canvas->translate(-r.centerX(), -r.centerY()); 57 canvas->drawPath(fPath, paint); 58 canvas->restore(); 59 } 60 showFour(SkCanvas * canvas,SkScalar scale,const SkPaint & paint)61 void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) { 62 showPath(canvas, 0, 0, SkPath::kWinding_FillType, 63 scale, paint); 64 showPath(canvas, 200, 0, SkPath::kEvenOdd_FillType, 65 scale, paint); 66 showPath(canvas, 00, 200, SkPath::kInverseWinding_FillType, 67 scale, paint); 68 showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType, 69 scale, paint); 70 } 71 onDraw(SkCanvas * canvas)72 void onDraw(SkCanvas* canvas) override { 73 this->makePath(); 74 75 canvas->translate(SkIntToScalar(20), SkIntToScalar(20)); 76 77 SkPaint paint; 78 const SkScalar scale = SkIntToScalar(5)/4; 79 80 paint.setAntiAlias(false); 81 82 showFour(canvas, SK_Scalar1, paint); 83 canvas->translate(SkIntToScalar(450), 0); 84 showFour(canvas, scale, paint); 85 86 paint.setAntiAlias(true); 87 88 canvas->translate(SkIntToScalar(-450), SkIntToScalar(450)); 89 showFour(canvas, SK_Scalar1, paint); 90 canvas->translate(SkIntToScalar(450), 0); 91 showFour(canvas, scale, paint); 92 } 93 94 private: 95 typedef GM INHERITED; 96 }; 97 98 ////////////////////////////////////////////////////////////////////////////// 99 100 DEF_GM( return new FillTypeGM; ) 101 102 } 103