Index: samplecode/SampleDraw.cpp |
diff --git a/samplecode/SampleDraw.cpp b/samplecode/SampleDraw.cpp |
deleted file mode 100644 |
index 29ad07d200704d0d5d7b399555e0e6f08ae7ebdf..0000000000000000000000000000000000000000 |
--- a/samplecode/SampleDraw.cpp |
+++ /dev/null |
@@ -1,378 +0,0 @@ |
-/* |
- * Copyright 2011 Google Inc. |
- * |
- * Use of this source code is governed by a BSD-style license that can be |
- * found in the LICENSE file. |
- */ |
-#include "SampleCode.h" |
-#include "SkView.h" |
-#include "SkCanvas.h" |
-#include "SkGraphics.h" |
-#include "SkRandom.h" |
- |
-static void test_clearonlayers(SkCanvas* canvas) { |
- SkCanvas& c = *canvas; |
- |
- SkPaint paint; |
- paint.setColor(SK_ColorBLUE); |
- paint.setStyle(SkPaint::kStrokeAndFill_Style); |
- SkRect rect = SkRect::MakeXYWH(25, 25, 50, 50); |
- c.drawRect(rect, paint); |
- |
- c.clipRect(rect); |
- |
- c.saveLayer(nullptr, nullptr); |
- rect = SkRect::MakeXYWH(50, 10, 40, 80); |
- c.clipRect(rect, SkRegion::kUnion_Op); |
- |
- rect = SkRect::MakeXYWH(50, 0, 50, 100); |
- // You might draw something here, but it's not necessary. |
- // paint.setColor(SK_ColorRED); |
- // c.drawRect(rect, paint); |
- paint.setXfermodeMode(SkXfermode::kClear_Mode); |
- c.drawRect(rect, paint); |
- c.restore(); |
-} |
- |
-static void test_strokerect(SkCanvas* canvas, const SkRect& r) { |
- SkPaint p; |
- |
- p.setAntiAlias(true); |
- p.setStyle(SkPaint::kStroke_Style); |
- p.setStrokeWidth(4); |
- |
- canvas->drawRect(r, p); |
- |
- SkPath path; |
- SkRect r2(r); |
- r2.offset(18, 0); |
- path.addRect(r2); |
- |
- canvas->drawPath(path, p); |
-} |
- |
-static void test_strokerect(SkCanvas* canvas) { |
- canvas->drawColor(SK_ColorWHITE); |
- |
- SkRect r; |
- |
- r.set(10, 10, 14, 14); |
- r.offset(0.25f, 0.3333f); |
- test_strokerect(canvas, r); |
- canvas->translate(0, 20); |
- |
- r.set(10, 10, 14.5f, 14.5f); |
- r.offset(0.25f, 0.3333f); |
- test_strokerect(canvas, r); |
- canvas->translate(0, 20); |
- |
- r.set(10, 10, 14.5f, 20); |
- r.offset(0.25f, 0.3333f); |
- test_strokerect(canvas, r); |
- canvas->translate(0, 20); |
- |
- r.set(10, 10, 20, 14.5f); |
- r.offset(0.25f, 0.3333f); |
- test_strokerect(canvas, r); |
- canvas->translate(0, 20); |
- |
- r.set(10, 10, 20, 20); |
- r.offset(0.25f, 0.3333f); |
- test_strokerect(canvas, r); |
- canvas->translate(0, 20); |
- |
-} |
- |
-class Draw : public SkRefCnt { |
-public: |
- Draw() : fFlags(0) {} |
- |
- enum Flags { |
- kSelected_Flag = 1 << 0 |
- }; |
- int getFlags() const { return fFlags; } |
- void setFlags(int flags); |
- |
- bool isSelected() const { return SkToBool(fFlags & kSelected_Flag); } |
- void setSelected(bool pred) { |
- if (pred) { |
- fFlags |= kSelected_Flag; |
- } else { |
- fFlags &= ~kSelected_Flag; |
- } |
- } |
- |
- void draw(SkCanvas* canvas) { |
- int sc = canvas->save(); |
- this->onDraw(canvas); |
- canvas->restoreToCount(sc); |
- |
- if (this->isSelected()) { |
- this->drawSelection(canvas); |
- } |
- } |
- |
- void drawSelection(SkCanvas* canvas) { |
- int sc = canvas->save(); |
- this->onDrawSelection(canvas); |
- canvas->restoreToCount(sc); |
- } |
- |
- void getBounds(SkRect* bounds) { |
- this->onGetBounds(bounds); |
- } |
- |
- bool hitTest(SkScalar x, SkScalar y) { |
- return this->onHitTest(x, y); |
- } |
- |
- void offset(SkScalar dx, SkScalar dy) { |
- if (dx || dy) { |
- this->onOffset(dx, dy); |
- } |
- } |
- |
-protected: |
- virtual void onDraw(SkCanvas*) = 0; |
- virtual void onGetBounds(SkRect*) = 0; |
- virtual void onOffset(SkScalar dx, SkScalar dy) = 0; |
- virtual void onDrawSelection(SkCanvas* canvas) { |
- SkRect r; |
- this->getBounds(&r); |
- SkPaint paint; |
- SkPoint pts[4]; |
- r.toQuad(pts); |
- paint.setStrokeWidth(SkIntToScalar(10)); |
- paint.setColor(0x80FF8844); |
- paint.setStrokeCap(SkPaint::kRound_Cap); |
- canvas->drawPoints(SkCanvas::kPoints_PointMode, 4, pts, paint); |
- } |
- virtual bool onHitTest(SkScalar x, SkScalar y) { |
- SkRect bounds; |
- this->getBounds(&bounds); |
- return bounds.contains(x, y); |
- } |
- |
-private: |
- int fFlags; |
-}; |
- |
-class RDraw : public Draw { |
-public: |
- enum Style { |
- kRect_Style, |
- kOval_Style, |
- kRRect_Style, |
- kFrame_Style |
- }; |
- |
- RDraw(const SkRect& r, Style s) : fRect(r), fStyle(s) {} |
- |
- void setRect(const SkRect& r) { |
- fRect = r; |
- } |
- |
- void setPaint(const SkPaint& p) { |
- fPaint = p; |
- } |
- |
-protected: |
- virtual void onDraw(SkCanvas* canvas) { |
- switch (fStyle) { |
- case kRect_Style: |
- canvas->drawRect(fRect, fPaint); |
- break; |
- case kOval_Style: |
- canvas->drawOval(fRect, fPaint); |
- break; |
- case kRRect_Style: { |
- SkScalar rx = fRect.width() / 5; |
- SkScalar ry = fRect.height() / 5; |
- if (rx < ry) { |
- ry = rx; |
- } else { |
- rx = ry; |
- } |
- canvas->drawRoundRect(fRect, rx, ry, fPaint); |
- break; |
- } |
- case kFrame_Style: { |
- SkPath path; |
- path.addOval(fRect, SkPath::kCW_Direction); |
- SkRect r = fRect; |
- r.inset(fRect.width()/6, 0); |
- path.addOval(r, SkPath::kCCW_Direction); |
- canvas->drawPath(path, fPaint); |
- break; |
- } |
- } |
- } |
- |
- virtual void onGetBounds(SkRect* bounds) { |
- *bounds = fRect; |
- } |
- |
- virtual void onOffset(SkScalar dx, SkScalar dy) { |
- fRect.offset(dx, dy); |
- } |
- |
-private: |
- SkRect fRect; |
- SkPaint fPaint; |
- Style fStyle; |
-}; |
- |
-class DrawFactory { |
-public: |
- DrawFactory() { |
- fPaint.setAntiAlias(true); |
- } |
- |
- const SkPaint& getPaint() const { return fPaint; } |
- |
- void setPaint(const SkPaint& p) { |
- fPaint = p; |
- } |
- |
- virtual Draw* create(const SkPoint&, const SkPoint&) = 0; |
- |
-private: |
- SkPaint fPaint; |
-}; |
- |
-class RectFactory : public DrawFactory { |
-public: |
- virtual Draw* create(const SkPoint& p0, const SkPoint& p1) { |
- SkRect r; |
- r.set(p0.x(), p0.y(), p1.x(), p1.y()); |
- r.sort(); |
- |
-// RDraw* d = new RDraw(r, RDraw::kRRect_Style); |
- RDraw* d = new RDraw(r, RDraw::kFrame_Style); |
- d->setPaint(this->getPaint()); |
- return d; |
- } |
-}; |
- |
-class DrawView : public SkView { |
- Draw* fDraw; |
- DrawFactory* fFactory; |
- SkRandom fRand; |
- SkTDArray<Draw*> fList; |
- |
-public: |
- DrawView() : fDraw(nullptr) { |
- fFactory = new RectFactory; |
- } |
- |
- virtual ~DrawView() { |
- fList.unrefAll(); |
- SkSafeUnref(fDraw); |
- delete fFactory; |
- } |
- |
- Draw* setDraw(Draw* d) { |
- SkRefCnt_SafeAssign(fDraw, d); |
- return d; |
- } |
- |
- SkColor randColor() { |
- return (SkColor)fRand.nextU() | 0xFF000000; |
- } |
- |
- Draw* hitTestList(SkScalar x, SkScalar y) const { |
- Draw** first = fList.begin(); |
- for (Draw** iter = fList.end(); iter > first;) { |
- --iter; |
- if ((*iter)->hitTest(x, y)) { |
- return *iter; |
- } |
- } |
- return nullptr; |
- } |
- |
-protected: |
- // overrides from SkEventSink |
- virtual bool onQuery(SkEvent* evt) { |
- if (SampleCode::TitleQ(*evt)) { |
- SampleCode::TitleR(evt, "Draw"); |
- return true; |
- } |
- return this->INHERITED::onQuery(evt); |
- } |
- |
- void drawBG(SkCanvas* canvas) { |
- canvas->drawColor(0xFFDDDDDD); |
-// canvas->drawColor(SK_ColorWHITE); |
- } |
- |
- virtual void onDraw(SkCanvas* canvas) { |
- this->drawBG(canvas); |
- test_clearonlayers(canvas); return; |
- // test_strokerect(canvas); return; |
- |
- for (Draw** iter = fList.begin(); iter < fList.end(); iter++) { |
- (*iter)->draw(canvas); |
- } |
- if (fDraw) { |
- fDraw->draw(canvas); |
- } |
- } |
- |
- virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) { |
- for (Draw** iter = fList.begin(); iter < fList.end(); iter++) { |
- (*iter)->setSelected(false); |
- } |
- |
- Click* c = new Click(this); |
- Draw* d = this->hitTestList(x, y); |
- if (d) { |
- d->setSelected(true); |
- c->setType("dragger"); |
- } else { |
- c->setType("maker"); |
- } |
- return c; |
- } |
- |
- virtual bool onClick(Click* click) { |
- if (Click::kUp_State == click->fState) { |
- if (click->isType("maker")) { |
- if (SkPoint::Distance(click->fOrig, click->fCurr) > SkIntToScalar(3)) { |
- *fList.append() = fDraw; |
- } else { |
- fDraw->unref(); |
- } |
- fDraw = nullptr; |
- } |
- return true; |
- } |
- |
- if (Click::kDown_State == click->fState) { |
- SkPaint p = fFactory->getPaint(); |
- p.setColor(this->randColor()); |
- fFactory->setPaint(p); |
- } |
- |
- if (click->isType("maker")) { |
- this->setDraw(fFactory->create(click->fOrig, click->fCurr))->unref(); |
- } else if (click->isType("dragger")) { |
- for (Draw** iter = fList.begin(); iter < fList.end(); iter++) { |
- if ((*iter)->isSelected()) { |
- (*iter)->offset(click->fCurr.x() - click->fPrev.x(), |
- click->fCurr.y() - click->fPrev.y()); |
- } |
- } |
- } |
- this->inval(nullptr); |
- return true; |
- } |
- |
-private: |
- typedef SkView INHERITED; |
-}; |
- |
-////////////////////////////////////////////////////////////////////////////// |
- |
-static SkView* MyFactory() { return new DrawView; } |
-static SkViewRegister reg(MyFactory); |