1
2/*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8#include "SampleCode.h"
9#include "SkView.h"
10#include "SkCanvas.h"
11#include "SkGradientShader.h"
12#include "SkGraphics.h"
13#include "SkImageDecoder.h"
14#include "SkPath.h"
15#include "SkRegion.h"
16#include "SkShader.h"
17#include "SkUtils.h"
18#include "SkXfermode.h"
19#include "SkColorPriv.h"
20#include "SkColorFilter.h"
21#include "SkTime.h"
22#include "SkTypeface.h"
23
24class PathClipView : public SampleView {
25public:
26    SkRect fOval;
27    SkPoint fCenter;
28
29    PathClipView() {
30        fOval.set(0, 0, SkIntToScalar(200), SkIntToScalar(50));
31        fCenter.set(SkIntToScalar(250), SkIntToScalar(250));
32
33//        test_ats();
34    }
35
36    virtual ~PathClipView() {}
37
38protected:
39    // overrides from SkEventSink
40    virtual bool onQuery(SkEvent* evt) {
41        if (SampleCode::TitleQ(*evt)) {
42            SampleCode::TitleR(evt, "PathClip");
43            return true;
44        }
45        return this->INHERITED::onQuery(evt);
46    }
47
48    virtual void onDrawContent(SkCanvas* canvas) {
49        SkRect oval = fOval;
50        oval.offset(fCenter.fX - oval.centerX(), fCenter.fY - oval.centerY());
51
52        SkPaint p;
53        p.setAntiAlias(true);
54
55        p.setStyle(SkPaint::kStroke_Style);
56        canvas->drawOval(oval, p);
57
58        SkRect r;
59        r.set(SkIntToScalar(200), SkIntToScalar(200),
60              SkIntToScalar(300), SkIntToScalar(300));
61        canvas->clipRect(r);
62
63        p.setStyle(SkPaint::kFill_Style);
64        p.setColor(SK_ColorRED);
65        canvas->drawRect(r, p);
66
67        p.setColor(0x800000FF);
68        r.set(SkIntToScalar(150), SkIntToScalar(10),
69              SkIntToScalar(250), SkIntToScalar(400));
70        canvas->drawOval(oval, p);
71    }
72
73    virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, unsigned) SK_OVERRIDE {
74        return new Click(this);
75    }
76
77    virtual bool onClick(Click* click) {
78        fCenter.set(click->fCurr.fX, click->fCurr.fY);
79        this->inval(NULL);
80        return false;
81    }
82
83private:
84    typedef SampleView INHERITED;
85};
86
87//////////////////////////////////////////////////////////////////////////////
88
89static SkView* MyFactory() { return new PathClipView; }
90static SkViewRegister reg(MyFactory);
91