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
test_path(SkCanvas * canvas,const SkPath & path)13 static 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
test_rev(SkCanvas * canvas,const SkPath & path)23 static 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
test_rev(SkCanvas * canvas)34 static 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 SkTypeface* hira = SkTypeface::CreateFromName("Hiragino Maru Gothic Pro", SkTypeface::kNormal);
56 SkSafeUnref(paint.setTypeface(hira));
57 path.reset();
58 paint.getTextPath("e", 1, 50, 50, &path);
59 canvas->translate(0, 100);
60 test_rev(canvas, path);
61 }
62
63 namespace skiagm {
64
65 class PathReverseGM : public GM {
66 public:
PathReverseGM()67 PathReverseGM() {
68
69 }
70
71 protected:
onShortName()72 virtual SkString onShortName() {
73 return SkString("path-reverse");
74 }
75
onISize()76 virtual SkISize onISize() {
77 return make_isize(640, 480);
78 }
79
onDraw(SkCanvas * canvas)80 virtual void onDraw(SkCanvas* canvas) {
81 SkRect r = { 10, 10, 100, 60 };
82
83 SkPath path;
84
85 path.addRect(r); test_rev(canvas, path);
86
87 canvas->translate(0, 100);
88 path.offset(20, 20);
89 path.addRect(r); test_rev(canvas, path);
90
91 canvas->translate(0, 100);
92 path.reset();
93 path.moveTo(10, 10); path.lineTo(30, 30);
94 path.addOval(r);
95 r.offset(50, 20);
96 path.addOval(r);
97 test_rev(canvas, path);
98
99 SkPaint paint;
100 paint.setTextSize(SkIntToScalar(100));
101 SkTypeface* hira = SkTypeface::CreateFromName("Hiragino Maru Gothic Pro", SkTypeface::kNormal);
102 SkSafeUnref(paint.setTypeface(hira));
103 path.reset();
104 paint.getTextPath("e", 1, 50, 50, &path);
105 canvas->translate(0, 100);
106 test_rev(canvas, path);
107 }
108
109 private:
110 typedef GM INHERITED;
111 };
112
113 //////////////////////////////////////////////////////////////////////////////
114
MyFactory(void *)115 static GM* MyFactory(void*) { return new PathReverseGM; }
116 static GMRegistry reg(MyFactory);
117
118 }
119