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Diffstat (limited to 'Samples/SampleFillType.cpp')
-rw-r--r-- | Samples/SampleFillType.cpp | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/Samples/SampleFillType.cpp b/Samples/SampleFillType.cpp new file mode 100644 index 0000000..bb268cd --- /dev/null +++ b/Samples/SampleFillType.cpp @@ -0,0 +1,101 @@ +#include "SampleCode.h" +#include "SkView.h" +#include "SkCanvas.h" +#include "SkCornerPathEffect.h" +#include "SkCullPoints.h" +#include "SkGradientShader.h" +#include "SkPath.h" +#include "SkRegion.h" +#include "SkShader.h" +#include "SkUtils.h" + +class FillTypeView : public SkView { + SkPath fPath; +public: + FillTypeView() { + const SkScalar radius = SkIntToScalar(45); + fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius); + fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius); + } + +protected: + // overrides from SkEventSink + virtual bool onQuery(SkEvent* evt) { + if (SampleCode::TitleQ(*evt)) { + SampleCode::TitleR(evt, "FillType"); + return true; + } + return this->INHERITED::onQuery(evt); + } + + void drawBG(SkCanvas* canvas) { + canvas->drawColor(0xFFDDDDDD); + } + + void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft, + SkScalar scale, const SkPaint& paint) { + + const SkRect r = { 0, 0, SkIntToScalar(150), SkIntToScalar(150) }; + + canvas->save(); + canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); + canvas->clipRect(r); + canvas->drawColor(SK_ColorWHITE); + fPath.setFillType(ft); + canvas->translate(r.centerX(), r.centerY()); + canvas->scale(scale, scale); + canvas->translate(-r.centerX(), -r.centerY()); + canvas->drawPath(fPath, paint); + canvas->restore(); + } + + void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) { + showPath(canvas, 0, 0, SkPath::kWinding_FillType, + scale, paint); + showPath(canvas, 200, 0, SkPath::kEvenOdd_FillType, + scale, paint); + showPath(canvas, 00, 200, SkPath::kInverseWinding_FillType, + scale, paint); + showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType, + scale, paint); + } + + virtual void onDraw(SkCanvas* canvas) { + drawBG(canvas); + + canvas->translate(SkIntToScalar(20), SkIntToScalar(20)); + + SkPaint paint; + const SkScalar scale = SkIntToScalar(5)/4; + + paint.setAntiAlias(false); + + showFour(canvas, SK_Scalar1, paint); + canvas->translate(SkIntToScalar(450), 0); + showFour(canvas, scale, paint); + + paint.setAntiAlias(true); + + canvas->translate(SkIntToScalar(-450), SkIntToScalar(450)); + showFour(canvas, SK_Scalar1, paint); + canvas->translate(SkIntToScalar(450), 0); + showFour(canvas, scale, paint); + } + + virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) { + return this->INHERITED::onFindClickHandler(x, y); + } + + virtual bool onClick(Click* click) { + return this->INHERITED::onClick(click); + } + +private: + typedef SkView INHERITED; +}; + +////////////////////////////////////////////////////////////////////////////// + +static SkView* MyFactory() { return new FillTypeView; } +static SkViewRegister reg(MyFactory); + |