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Unified Diff: samplecode/SampleDraw.cpp

Issue 2269583002: Remove file samplecode/SampleDraw.cpp (Closed) Base URL: https://skia.googlesource.com/skia@master
Patch Set: Created 4 years, 4 months ago
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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);
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