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:
onGetFlags() const72 virtual uint32_t onGetFlags() const SK_OVERRIDE {
73 return kSkipTiled_Flag;
74 }
75
onShortName()76 virtual SkString onShortName() {
77 return SkString("path-reverse");
78 }
79
onISize()80 virtual SkISize onISize() {
81 return SkISize::Make(640, 480);
82 }
83
onDraw(SkCanvas * canvas)84 virtual void onDraw(SkCanvas* canvas) {
85 if (false) test_rev(canvas); // avoid bit rot, suppress warning
86 SkRect r = { 10, 10, 100, 60 };
87
88 SkPath path;
89
90 path.addRect(r); test_rev(canvas, path);
91
92 canvas->translate(0, 100);
93 path.offset(20, 20);
94 path.addRect(r); test_rev(canvas, path);
95
96 canvas->translate(0, 100);
97 path.reset();
98 path.moveTo(10, 10); path.lineTo(30, 30);
99 path.addOval(r);
100 r.offset(50, 20);
101 path.addOval(r);
102 test_rev(canvas, path);
103
104 SkPaint paint;
105 paint.setTextSize(SkIntToScalar(100));
106 SkTypeface* hira = SkTypeface::CreateFromName("Hiragino Maru Gothic Pro", SkTypeface::kNormal);
107 SkSafeUnref(paint.setTypeface(hira));
108 path.reset();
109 paint.getTextPath("e", 1, 50, 50, &path);
110 canvas->translate(0, 100);
111 test_rev(canvas, path);
112 }
113
114 private:
115 typedef GM INHERITED;
116 };
117
118 //////////////////////////////////////////////////////////////////////////////
119
MyFactory(void *)120 static GM* MyFactory(void*) { return new PathReverseGM; }
121 static GMRegistry reg(MyFactory);
122
123 }
124