1
2 /*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8 #include "gm.h"
9
10 namespace skiagm {
11
12 class FillTypeGM : public GM {
13 SkPath fPath;
14 public:
FillTypeGM()15 FillTypeGM() {
16 this->setBGColor(0xFFDDDDDD);
17 }
18
makePath()19 void makePath() {
20 if (fPath.isEmpty()) {
21 const SkScalar radius = SkIntToScalar(45);
22 fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius);
23 fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius);
24 }
25 }
26
27 protected:
onShortName()28 virtual SkString onShortName() {
29 return SkString("filltypes");
30 }
31
onISize()32 virtual SkISize onISize() {
33 return make_isize(835, 840);
34 }
35
showPath(SkCanvas * canvas,int x,int y,SkPath::FillType ft,SkScalar scale,const SkPaint & paint)36 void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft,
37 SkScalar scale, const SkPaint& paint) {
38
39 const SkRect r = { 0, 0, SkIntToScalar(150), SkIntToScalar(150) };
40
41 canvas->save();
42 canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
43 canvas->clipRect(r);
44 canvas->drawColor(SK_ColorWHITE);
45 fPath.setFillType(ft);
46 canvas->translate(r.centerX(), r.centerY());
47 canvas->scale(scale, scale);
48 canvas->translate(-r.centerX(), -r.centerY());
49 canvas->drawPath(fPath, paint);
50 canvas->restore();
51 }
52
showFour(SkCanvas * canvas,SkScalar scale,const SkPaint & paint)53 void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) {
54 showPath(canvas, 0, 0, SkPath::kWinding_FillType,
55 scale, paint);
56 showPath(canvas, 200, 0, SkPath::kEvenOdd_FillType,
57 scale, paint);
58 showPath(canvas, 00, 200, SkPath::kInverseWinding_FillType,
59 scale, paint);
60 showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType,
61 scale, paint);
62 }
63
onDraw(SkCanvas * canvas)64 virtual void onDraw(SkCanvas* canvas) {
65 this->makePath();
66
67 canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
68
69 SkPaint paint;
70 const SkScalar scale = SkIntToScalar(5)/4;
71
72 paint.setAntiAlias(false);
73
74 showFour(canvas, SK_Scalar1, paint);
75 canvas->translate(SkIntToScalar(450), 0);
76 showFour(canvas, scale, paint);
77
78 paint.setAntiAlias(true);
79
80 canvas->translate(SkIntToScalar(-450), SkIntToScalar(450));
81 showFour(canvas, SK_Scalar1, paint);
82 canvas->translate(SkIntToScalar(450), 0);
83 showFour(canvas, scale, paint);
84 }
85
86 private:
87 typedef GM INHERITED;
88 };
89
90 //////////////////////////////////////////////////////////////////////////////
91
MyFactory(void *)92 static GM* MyFactory(void*) { return new FillTypeGM; }
93 static GMRegistry reg(MyFactory);
94
95 }
96