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 "sk_tool_utils.h"
10#include "SkPath.h"
11
12namespace skiagm {
13
14class FillTypeGM : public GM {
15    SkPath fPath;
16public:
17    FillTypeGM() {
18        this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
19    }
20
21    void makePath() {
22        if (fPath.isEmpty()) {
23            const SkScalar radius = SkIntToScalar(45);
24            fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius);
25            fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius);
26        }
27    }
28
29protected:
30
31    SkString onShortName() override {
32        return SkString("filltypes");
33    }
34
35    SkISize onISize() override {
36        return SkISize::Make(835, 840);
37    }
38
39    void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft,
40                  SkScalar scale, const SkPaint& paint) {
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    void onDraw(SkCanvas* canvas) override {
67        this->makePath();
68
69        canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
70
71        SkPaint paint;
72        const SkScalar scale = SkIntToScalar(5)/4;
73
74        paint.setAntiAlias(false);
75
76        showFour(canvas, SK_Scalar1, paint);
77        canvas->translate(SkIntToScalar(450), 0);
78        showFour(canvas, scale, paint);
79
80        paint.setAntiAlias(true);
81
82        canvas->translate(SkIntToScalar(-450), SkIntToScalar(450));
83        showFour(canvas, SK_Scalar1, paint);
84        canvas->translate(SkIntToScalar(450), 0);
85        showFour(canvas, scale, paint);
86    }
87
88private:
89    typedef GM INHERITED;
90};
91
92//////////////////////////////////////////////////////////////////////////////
93
94static GM* MyFactory(void*) { return new FillTypeGM; }
95static GMRegistry reg(MyFactory);
96
97}
98