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 "sk_tool_utils.h" 10 #include "SkPath.h" 11 12 namespace skiagm { 13 14 class FillTypeGM : public GM { 15 SkPath fPath; 16 public: 17 FillTypeGM() { 18 this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD)); 19 } 20 21 void makePath() { 22 if (fPath.isEmpty()) { 23 const SkScalar radius = SkIntToScalar(45); 24 fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius); 25 fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius); 26 } 27 } 28 29 protected: 30 31 SkString onShortName() override { 32 return SkString("filltypes"); 33 } 34 35 SkISize onISize() override { 36 return SkISize::Make(835, 840); 37 } 38 39 void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft, 40 SkScalar scale, const SkPaint& paint) { 41 const SkRect r = { 0, 0, SkIntToScalar(150), SkIntToScalar(150) }; 42 43 canvas->save(); 44 canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); 45 canvas->clipRect(r); 46 canvas->drawColor(SK_ColorWHITE); 47 fPath.setFillType(ft); 48 canvas->translate(r.centerX(), r.centerY()); 49 canvas->scale(scale, scale); 50 canvas->translate(-r.centerX(), -r.centerY()); 51 canvas->drawPath(fPath, paint); 52 canvas->restore(); 53 } 54 55 void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) { 56 showPath(canvas, 0, 0, SkPath::kWinding_FillType, 57 scale, paint); 58 showPath(canvas, 200, 0, SkPath::kEvenOdd_FillType, 59 scale, paint); 60 showPath(canvas, 00, 200, SkPath::kInverseWinding_FillType, 61 scale, paint); 62 showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType, 63 scale, paint); 64 } 65 66 void onDraw(SkCanvas* canvas) override { 67 this->makePath(); 68 69 canvas->translate(SkIntToScalar(20), SkIntToScalar(20)); 70 71 SkPaint paint; 72 const SkScalar scale = SkIntToScalar(5)/4; 73 74 paint.setAntiAlias(false); 75 76 showFour(canvas, SK_Scalar1, paint); 77 canvas->translate(SkIntToScalar(450), 0); 78 showFour(canvas, scale, paint); 79 80 paint.setAntiAlias(true); 81 82 canvas->translate(SkIntToScalar(-450), SkIntToScalar(450)); 83 showFour(canvas, SK_Scalar1, paint); 84 canvas->translate(SkIntToScalar(450), 0); 85 showFour(canvas, scale, paint); 86 } 87 88 private: 89 typedef GM INHERITED; 90 }; 91 92 ////////////////////////////////////////////////////////////////////////////// 93 94 static GM* MyFactory(void*) { return new FillTypeGM; } 95 static GMRegistry reg(MyFactory); 96 97 } 98
