1/*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7#include "SampleCode.h"
8#include "SkView.h"
9#include "SkCanvas.h"
10#include "SkCornerPathEffect.h"
11#include "SkGradientShader.h"
12#include "SkPath.h"
13#include "SkRegion.h"
14#include "SkShader.h"
15#include "SkUtils.h"
16
17class FillTypeView : public SampleView {
18    SkPath fPath;
19public:
20    FillTypeView() {
21        const SkScalar radius = SkIntToScalar(45);
22        fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius);
23        fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius);
24
25        this->setBGColor(0xFFDDDDDD);
26    }
27
28protected:
29    // overrides from SkEventSink
30    virtual bool onQuery(SkEvent* evt) {
31        if (SampleCode::TitleQ(*evt)) {
32            SampleCode::TitleR(evt, "FillType");
33            return true;
34        }
35        return this->INHERITED::onQuery(evt);
36    }
37
38    void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft,
39                  SkScalar scale, const SkPaint& paint) {
40
41        const SkRect r = { 0, 0, SkIntToScalar(150), SkIntToScalar(150) };
42
43        canvas->save();
44        canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
45        canvas->clipRect(r);
46        canvas->drawColor(SK_ColorWHITE);
47        fPath.setFillType(ft);
48        canvas->translate(r.centerX(), r.centerY());
49        canvas->scale(scale, scale);
50        canvas->translate(-r.centerX(), -r.centerY());
51        canvas->drawPath(fPath, paint);
52        canvas->restore();
53    }
54
55    void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) {
56        showPath(canvas,   0,   0, SkPath::kWinding_FillType,
57                 scale, paint);
58        showPath(canvas, 200,   0, SkPath::kEvenOdd_FillType,
59                 scale, paint);
60        showPath(canvas,  00, 200, SkPath::kInverseWinding_FillType,
61                 scale, paint);
62        showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType,
63                 scale, paint);
64    }
65
66    virtual void onDrawContent(SkCanvas* canvas) {
67        canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
68
69        SkPaint paint;
70        const SkScalar scale = SkIntToScalar(5)/4;
71
72        paint.setAntiAlias(false);
73        paint.setColor(0x8000FF00);
74
75        showFour(canvas, SK_Scalar1, paint);
76        canvas->translate(SkIntToScalar(450), 0);
77        showFour(canvas, scale, paint);
78
79        paint.setAntiAlias(true);
80
81        canvas->translate(SkIntToScalar(-450), SkIntToScalar(450));
82        showFour(canvas, SK_Scalar1, paint);
83        canvas->translate(SkIntToScalar(450), 0);
84        showFour(canvas, scale, paint);
85    }
86
87private:
88    typedef SampleView INHERITED;
89};
90
91//////////////////////////////////////////////////////////////////////////////
92
93static SkView* MyFactory() { return new FillTypeView; }
94static SkViewRegister reg(MyFactory);
95