| #include "SampleCode.h" |
| #include "SkCanvas.h" |
| #include "SkPaint.h" |
| #include "SkPicture.h" |
| #include "SkStream.h" |
| #include "SkView.h" |
| |
| #define DO_AA true |
| |
| #include "SkRectShape.h" |
| #include "SkGroupShape.h" |
| |
| static SkRect make_rect(int l, int t, int r, int b) { |
| SkRect rect; |
| rect.set(SkIntToScalar(l), SkIntToScalar(t), |
| SkIntToScalar(r), SkIntToScalar(b)); |
| return rect; |
| } |
| |
| static SkShape* make_shape0(bool red) { |
| SkRectShape* s = new SkRectShape; |
| s->setRect(make_rect(10, 10, 90, 90)); |
| if (red) { |
| s->paint().setColor(SK_ColorRED); |
| } |
| s->paint().setAntiAlias(DO_AA); |
| return s; |
| } |
| |
| static SkShape* make_shape1() { |
| SkRectShape* s = new SkRectShape; |
| s->setOval(make_rect(10, 10, 90, 90)); |
| s->paint().setColor(SK_ColorBLUE); |
| s->paint().setAntiAlias(DO_AA); |
| return s; |
| } |
| |
| static SkShape* make_shape2() { |
| SkRectShape* s = new SkRectShape; |
| s->setRRect(make_rect(10, 10, 90, 90), |
| SkIntToScalar(20), SkIntToScalar(20)); |
| s->paint().setColor(SK_ColorGREEN); |
| s->paint().setAntiAlias(DO_AA); |
| return s; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| class ShapesView : public SampleView { |
| SkGroupShape fGroup; |
| SkMatrixRef* fMatrixRefs[4]; |
| public: |
| ShapesView() { |
| SkMatrix m; |
| fGroup.appendShape(make_shape0(false))->unref(); |
| m.setRotate(SkIntToScalar(30), SkIntToScalar(50), SkIntToScalar(50)); |
| m.postTranslate(0, SkIntToScalar(120)); |
| fGroup.appendShape(make_shape0(true), m)->unref(); |
| |
| m.setTranslate(SkIntToScalar(120), 0); |
| fGroup.appendShape(make_shape1(), m)->unref(); |
| m.postTranslate(0, SkIntToScalar(120)); |
| fGroup.appendShape(make_shape2(), m)->unref(); |
| |
| for (size_t i = 0; i < SK_ARRAY_COUNT(fMatrixRefs); i++) { |
| SkSafeRef(fMatrixRefs[i] = fGroup.getShapeMatrixRef(i)); |
| } |
| |
| this->setBGColor(0xFFDDDDDD); |
| } |
| |
| virtual ~ShapesView() { |
| for (size_t i = 0; i < SK_ARRAY_COUNT(fMatrixRefs); i++) { |
| SkSafeUnref(fMatrixRefs[i]); |
| } |
| } |
| |
| protected: |
| // overrides from SkEventSink |
| virtual bool onQuery(SkEvent* evt) { |
| if (SampleCode::TitleQ(*evt)) { |
| SampleCode::TitleR(evt, "Shapes"); |
| return true; |
| } |
| return this->INHERITED::onQuery(evt); |
| } |
| |
| void drawpicture(SkCanvas* canvas, SkPicture& pict) { |
| #if 0 |
| SkDynamicMemoryWStream ostream; |
| pict.serialize(&ostream); |
| |
| SkMemoryStream istream(ostream.getStream(), ostream.getOffset()); |
| SkPicture* newPict = new SkPicture(&istream); |
| canvas->drawPicture(*newPict); |
| newPict->unref(); |
| #else |
| canvas->drawPicture(pict); |
| #endif |
| } |
| |
| virtual void onDrawContent(SkCanvas* canvas) { |
| SkScalar angle = SampleCode::GetAnimScalar(SkIntToScalar(180), |
| SkIntToScalar(360)); |
| |
| SkMatrix saveM = *fMatrixRefs[3]; |
| SkScalar c = SkIntToScalar(50); |
| fMatrixRefs[3]->preRotate(angle, c, c); |
| |
| const SkScalar dx = 350; |
| const SkScalar dy = 500; |
| const int N = 1; |
| for (int v = -N; v <= N; v++) { |
| for (int h = -N; h <= N; h++) { |
| SkAutoCanvasRestore acr(canvas, true); |
| canvas->translate(h * dx, v * dy); |
| |
| SkMatrix matrix; |
| |
| SkGroupShape* gs = new SkGroupShape; |
| SkAutoUnref aur(gs); |
| gs->appendShape(&fGroup); |
| matrix.setScale(-SK_Scalar1, SK_Scalar1); |
| matrix.postTranslate(SkIntToScalar(220), SkIntToScalar(240)); |
| gs->appendShape(&fGroup, matrix); |
| matrix.setTranslate(SkIntToScalar(240), 0); |
| matrix.preScale(SK_Scalar1*2, SK_Scalar1*2); |
| gs->appendShape(&fGroup, matrix); |
| |
| #if 0 |
| canvas->drawShape(gs); |
| #else |
| SkPicture* pict = new SkPicture; |
| SkCanvas* cv = pict->beginRecording(1000, 1000); |
| cv->scale(SK_ScalarHalf, SK_ScalarHalf); |
| cv->drawShape(gs); |
| cv->translate(SkIntToScalar(680), SkIntToScalar(480)); |
| cv->scale(-SK_Scalar1, SK_Scalar1); |
| cv->drawShape(gs); |
| pict->endRecording(); |
| |
| drawpicture(canvas, *pict); |
| pict->unref(); |
| #endif |
| |
| }} |
| |
| *fMatrixRefs[3] = saveM; |
| this->inval(NULL); |
| } |
| |
| private: |
| typedef SampleView INHERITED; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static SkView* MyFactory() { return new ShapesView; } |
| static SkViewRegister reg(MyFactory); |
| |