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 "SkCanvas.h"
10#include "SkPath.h"
11#include "SkTypeface.h"
12
13static void test_path(SkCanvas* canvas, const SkPath& path) {
14    SkPaint paint;
15    paint.setAntiAlias(true);
16    canvas->drawPath(path, paint);
17
18    paint.setStyle(SkPaint::kStroke_Style);
19    paint.setColor(SK_ColorRED);
20    canvas->drawPath(path, paint);
21}
22
23static void test_rev(SkCanvas* canvas, const SkPath& path) {
24    test_path(canvas, path);
25
26    SkPath rev;
27    rev.reverseAddPath(path);
28    canvas->save();
29    canvas->translate(150, 0);
30    test_path(canvas, rev);
31    canvas->restore();
32}
33
34static void test_rev(SkCanvas* canvas) {
35    SkRect r = { 10, 10, 100, 60 };
36
37    SkPath path;
38
39    path.addRect(r); test_rev(canvas, path);
40
41    canvas->translate(0, 100);
42    path.offset(20, 20);
43    path.addRect(r); test_rev(canvas, path);
44
45    canvas->translate(0, 100);
46    path.reset();
47    path.moveTo(10, 10); path.lineTo(30, 30);
48    path.addOval(r);
49    r.offset(50, 20);
50    path.addOval(r);
51    test_rev(canvas, path);
52
53    SkPaint paint;
54    paint.setTextSize(SkIntToScalar(100));
55    sk_tool_utils::set_portable_typeface(&paint, "Hiragino Maru Gothic Pro");
56    path.reset();
57    paint.getTextPath("e", 1, 50, 50, &path);
58    canvas->translate(0, 100);
59    test_rev(canvas, path);
60}
61
62namespace skiagm {
63
64class PathReverseGM : public GM {
65public:
66    PathReverseGM() {
67
68    }
69
70protected:
71    virtual uint32_t onGetFlags() const SK_OVERRIDE {
72        return kSkipTiled_Flag;
73    }
74
75    virtual SkString onShortName() {
76        return SkString("path-reverse");
77    }
78
79    virtual SkISize onISize() {
80        return SkISize::Make(640, 480);
81    }
82
83    virtual void onDraw(SkCanvas* canvas) {
84        if (false) test_rev(canvas); // avoid bit rot, suppress warning
85        SkRect r = { 10, 10, 100, 60 };
86
87        SkPath path;
88
89        path.addRect(r); test_rev(canvas, path);
90
91        canvas->translate(0, 100);
92        path.offset(20, 20);
93        path.addRect(r); test_rev(canvas, path);
94
95        canvas->translate(0, 100);
96        path.reset();
97        path.moveTo(10, 10); path.lineTo(30, 30);
98        path.addOval(r);
99        r.offset(50, 20);
100        path.addOval(r);
101        test_rev(canvas, path);
102
103        SkPaint paint;
104        paint.setTextSize(SkIntToScalar(100));
105        sk_tool_utils::set_portable_typeface(&paint, "Hiragino Maru Gothic Pro");
106        path.reset();
107        paint.getTextPath("e", 1, 50, 50, &path);
108        canvas->translate(0, 100);
109        test_rev(canvas, path);
110    }
111
112private:
113    typedef GM INHERITED;
114};
115
116//////////////////////////////////////////////////////////////////////////////
117
118static GM* MyFactory(void*) { return new PathReverseGM; }
119static GMRegistry reg(MyFactory);
120
121}
122