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 const SkScalar radius = SkIntToScalar(45);
18 fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius);
19 fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius);
20 }
21
22 protected:
onShortName()23 virtual SkString onShortName() {
24 return SkString("filltypes");
25 }
26
onISize()27 virtual SkISize onISize() {
28 return make_isize(835, 840);
29 }
30
showPath(SkCanvas * canvas,int x,int y,SkPath::FillType ft,SkScalar scale,const SkPaint & paint)31 void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft,
32 SkScalar scale, const SkPaint& paint) {
33
34 const SkRect r = { 0, 0, SkIntToScalar(150), SkIntToScalar(150) };
35
36 canvas->save();
37 canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
38 canvas->clipRect(r);
39 canvas->drawColor(SK_ColorWHITE);
40 fPath.setFillType(ft);
41 canvas->translate(r.centerX(), r.centerY());
42 canvas->scale(scale, scale);
43 canvas->translate(-r.centerX(), -r.centerY());
44 canvas->drawPath(fPath, paint);
45 canvas->restore();
46 }
47
showFour(SkCanvas * canvas,SkScalar scale,const SkPaint & paint)48 void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) {
49 showPath(canvas, 0, 0, SkPath::kWinding_FillType,
50 scale, paint);
51 showPath(canvas, 200, 0, SkPath::kEvenOdd_FillType,
52 scale, paint);
53 showPath(canvas, 00, 200, SkPath::kInverseWinding_FillType,
54 scale, paint);
55 showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType,
56 scale, paint);
57 }
58
onDraw(SkCanvas * canvas)59 virtual void onDraw(SkCanvas* canvas) {
60 canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
61
62 SkPaint paint;
63 const SkScalar scale = SkIntToScalar(5)/4;
64
65 paint.setAntiAlias(false);
66
67 showFour(canvas, SK_Scalar1, paint);
68 canvas->translate(SkIntToScalar(450), 0);
69 showFour(canvas, scale, paint);
70
71 paint.setAntiAlias(true);
72
73 canvas->translate(SkIntToScalar(-450), SkIntToScalar(450));
74 showFour(canvas, SK_Scalar1, paint);
75 canvas->translate(SkIntToScalar(450), 0);
76 showFour(canvas, scale, paint);
77 }
78
79 private:
80 typedef GM INHERITED;
81 };
82
83 //////////////////////////////////////////////////////////////////////////////
84
MyFactory(void *)85 static GM* MyFactory(void*) { return new FillTypeGM; }
86 static GMRegistry reg(MyFactory);
87
88 }
89
90