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 "SampleCode.h" 9#include "SkView.h" 10#include "SkCanvas.h" 11#include "SkCornerPathEffect.h" 12#include "SkCullPoints.h" 13#include "SkGradientShader.h" 14#include "SkPath.h" 15#include "SkRegion.h" 16#include "SkShader.h" 17#include "SkUtils.h" 18 19class FillTypeView : public SampleView { 20 SkPath fPath; 21public: 22 FillTypeView() { 23 const SkScalar radius = SkIntToScalar(45); 24 fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius); 25 fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius); 26 27 this->setBGColor(0xFFDDDDDD); 28 } 29 30protected: 31 // overrides from SkEventSink 32 virtual bool onQuery(SkEvent* evt) { 33 if (SampleCode::TitleQ(*evt)) { 34 SampleCode::TitleR(evt, "FillType"); 35 return true; 36 } 37 return this->INHERITED::onQuery(evt); 38 } 39 40 void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft, 41 SkScalar scale, const SkPaint& paint) { 42 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 57 void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) { 58 showPath(canvas, 0, 0, SkPath::kWinding_FillType, 59 scale, paint); 60 showPath(canvas, 200, 0, SkPath::kEvenOdd_FillType, 61 scale, paint); 62 showPath(canvas, 00, 200, SkPath::kInverseWinding_FillType, 63 scale, paint); 64 showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType, 65 scale, paint); 66 } 67 68 virtual void onDrawContent(SkCanvas* canvas) { 69 canvas->translate(SkIntToScalar(20), SkIntToScalar(20)); 70 71 SkPaint paint; 72 const SkScalar scale = SkIntToScalar(5)/4; 73 74 paint.setAntiAlias(false); 75 paint.setColor(0x8000FF00); 76 77 showFour(canvas, SK_Scalar1, paint); 78 canvas->translate(SkIntToScalar(450), 0); 79 showFour(canvas, scale, paint); 80 81 paint.setAntiAlias(true); 82 83 canvas->translate(SkIntToScalar(-450), SkIntToScalar(450)); 84 showFour(canvas, SK_Scalar1, paint); 85 canvas->translate(SkIntToScalar(450), 0); 86 showFour(canvas, scale, paint); 87 } 88 89private: 90 typedef SampleView INHERITED; 91}; 92 93////////////////////////////////////////////////////////////////////////////// 94 95static SkView* MyFactory() { return new FillTypeView; } 96static SkViewRegister reg(MyFactory); 97