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
8#include "gm.h"
9#include "SkPath.h"
10
11namespace skiagm {
12
13class FillTypeGM : public GM {
14    SkPath fPath;
15public:
16    FillTypeGM() {
17        this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
18    }
19
20    void makePath() {
21        if (fPath.isEmpty()) {
22            const SkScalar radius = SkIntToScalar(45);
23            fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius);
24            fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius);
25        }
26    }
27
28protected:
29
30    SkString onShortName() override {
31        return SkString("filltypes");
32    }
33
34    SkISize onISize() override {
35        return SkISize::Make(835, 840);
36    }
37
38    void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft,
39                  SkScalar scale, const SkPaint& paint) {
40        const SkRect r = { 0, 0, SkIntToScalar(150), SkIntToScalar(150) };
41
42        canvas->save();
43        canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
44        canvas->clipRect(r);
45        canvas->drawColor(SK_ColorWHITE);
46        fPath.setFillType(ft);
47        canvas->translate(r.centerX(), r.centerY());
48        canvas->scale(scale, scale);
49        canvas->translate(-r.centerX(), -r.centerY());
50        canvas->drawPath(fPath, paint);
51        canvas->restore();
52    }
53
54    void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) {
55        showPath(canvas,   0,   0, SkPath::kWinding_FillType,
56                 scale, paint);
57        showPath(canvas, 200,   0, SkPath::kEvenOdd_FillType,
58                 scale, paint);
59        showPath(canvas,  00, 200, SkPath::kInverseWinding_FillType,
60                 scale, paint);
61        showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType,
62                 scale, paint);
63    }
64
65    void onDraw(SkCanvas* canvas) override {
66        this->makePath();
67
68        canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
69
70        SkPaint paint;
71        const SkScalar scale = SkIntToScalar(5)/4;
72
73        paint.setAntiAlias(false);
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 GM INHERITED;
89};
90
91//////////////////////////////////////////////////////////////////////////////
92
93static GM* MyFactory(void*) { return new FillTypeGM; }
94static GMRegistry reg(MyFactory);
95
96}
97