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