reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame^] | 1 | #include "SampleCode.h" |
| 2 | #include "SkView.h" |
| 3 | #include "SkCanvas.h" |
| 4 | #include "SkCornerPathEffect.h" |
| 5 | #include "SkCullPoints.h" |
| 6 | #include "SkGradientShader.h" |
| 7 | #include "SkPath.h" |
| 8 | #include "SkRegion.h" |
| 9 | #include "SkShader.h" |
| 10 | #include "SkUtils.h" |
| 11 | |
| 12 | class FillTypeView : public SkView { |
| 13 | SkPath fPath; |
| 14 | public: |
| 15 | FillTypeView() { |
| 16 | const SkScalar radius = SkIntToScalar(45); |
| 17 | fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius); |
| 18 | fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius); |
| 19 | } |
| 20 | |
| 21 | protected: |
| 22 | // overrides from SkEventSink |
| 23 | virtual bool onQuery(SkEvent* evt) { |
| 24 | if (SampleCode::TitleQ(*evt)) { |
| 25 | SampleCode::TitleR(evt, "FillType"); |
| 26 | return true; |
| 27 | } |
| 28 | return this->INHERITED::onQuery(evt); |
| 29 | } |
| 30 | |
| 31 | void drawBG(SkCanvas* canvas) { |
| 32 | canvas->drawColor(0xFFDDDDDD); |
| 33 | } |
| 34 | |
| 35 | void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft, |
| 36 | SkScalar scale, const SkPaint& paint) { |
| 37 | |
| 38 | const SkRect r = { 0, 0, SkIntToScalar(150), SkIntToScalar(150) }; |
| 39 | |
| 40 | canvas->save(); |
| 41 | canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); |
| 42 | canvas->clipRect(r); |
| 43 | canvas->drawColor(SK_ColorWHITE); |
| 44 | fPath.setFillType(ft); |
| 45 | canvas->translate(r.centerX(), r.centerY()); |
| 46 | canvas->scale(scale, scale); |
| 47 | canvas->translate(-r.centerX(), -r.centerY()); |
| 48 | canvas->drawPath(fPath, paint); |
| 49 | canvas->restore(); |
| 50 | } |
| 51 | |
| 52 | void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) { |
| 53 | showPath(canvas, 0, 0, SkPath::kWinding_FillType, |
| 54 | scale, paint); |
| 55 | showPath(canvas, 200, 0, SkPath::kEvenOdd_FillType, |
| 56 | scale, paint); |
| 57 | showPath(canvas, 00, 200, SkPath::kInverseWinding_FillType, |
| 58 | scale, paint); |
| 59 | showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType, |
| 60 | scale, paint); |
| 61 | } |
| 62 | |
| 63 | virtual void onDraw(SkCanvas* canvas) { |
| 64 | drawBG(canvas); |
| 65 | |
| 66 | canvas->translate(SkIntToScalar(20), SkIntToScalar(20)); |
| 67 | |
| 68 | SkPaint paint; |
| 69 | const SkScalar scale = SkIntToScalar(5)/4; |
| 70 | |
| 71 | paint.setAntiAlias(false); |
| 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 | virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) { |
| 86 | return this->INHERITED::onFindClickHandler(x, y); |
| 87 | } |
| 88 | |
| 89 | virtual bool onClick(Click* click) { |
| 90 | return this->INHERITED::onClick(click); |
| 91 | } |
| 92 | |
| 93 | private: |
| 94 | typedef SkView INHERITED; |
| 95 | }; |
| 96 | |
| 97 | ////////////////////////////////////////////////////////////////////////////// |
| 98 | |
| 99 | static SkView* MyFactory() { return new FillTypeView; } |
| 100 | static SkViewRegister reg(MyFactory); |
| 101 | |