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 #include "Sample.h" 8 #include "SkCanvas.h" 9 #include "SkCornerPathEffect.h" 10 #include "SkGradientShader.h" 11 #include "SkPath.h" 12 #include "SkRegion.h" 13 #include "SkShader.h" 14 #include "SkUTF.h" 15 16 class FillTypeView : public Sample { 17 SkPath fPath; 18 public: FillTypeView()19 FillTypeView() { 20 const SkScalar radius = SkIntToScalar(45); 21 fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius); 22 fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius); 23 24 this->setBGColor(0xFFDDDDDD); 25 } 26 27 protected: onQuery(Sample::Event * evt)28 virtual bool onQuery(Sample::Event* evt) { 29 if (Sample::TitleQ(*evt)) { 30 Sample::TitleR(evt, "FillType"); 31 return true; 32 } 33 return this->INHERITED::onQuery(evt); 34 } 35 showPath(SkCanvas * canvas,int x,int y,SkPath::FillType ft,SkScalar scale,const SkPaint & paint)36 void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft, 37 SkScalar scale, const SkPaint& paint) { 38 39 const SkRect r = { 0, 0, SkIntToScalar(150), SkIntToScalar(150) }; 40 41 canvas->save(); 42 canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); 43 canvas->clipRect(r); 44 canvas->drawColor(SK_ColorWHITE); 45 fPath.setFillType(ft); 46 canvas->translate(r.centerX(), r.centerY()); 47 canvas->scale(scale, scale); 48 canvas->translate(-r.centerX(), -r.centerY()); 49 canvas->drawPath(fPath, paint); 50 canvas->restore(); 51 } 52 showFour(SkCanvas * canvas,SkScalar scale,const SkPaint & paint)53 void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) { 54 showPath(canvas, 0, 0, SkPath::kWinding_FillType, 55 scale, paint); 56 showPath(canvas, 200, 0, SkPath::kEvenOdd_FillType, 57 scale, paint); 58 showPath(canvas, 00, 200, SkPath::kInverseWinding_FillType, 59 scale, paint); 60 showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType, 61 scale, paint); 62 } 63 onDrawContent(SkCanvas * canvas)64 virtual void onDrawContent(SkCanvas* canvas) { 65 canvas->translate(SkIntToScalar(20), SkIntToScalar(20)); 66 67 SkPaint paint; 68 const SkScalar scale = SkIntToScalar(5)/4; 69 70 paint.setAntiAlias(false); 71 paint.setColor(0x8000FF00); 72 73 showFour(canvas, SK_Scalar1, paint); 74 canvas->translate(SkIntToScalar(450), 0); 75 showFour(canvas, scale, paint); 76 77 paint.setAntiAlias(true); 78 79 canvas->translate(SkIntToScalar(-450), SkIntToScalar(450)); 80 showFour(canvas, SK_Scalar1, paint); 81 canvas->translate(SkIntToScalar(450), 0); 82 showFour(canvas, scale, paint); 83 } 84 85 private: 86 typedef Sample INHERITED; 87 }; 88 89 ////////////////////////////////////////////////////////////////////////////// 90 91 DEF_SAMPLE( return new FillTypeView(); ) 92