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:
onGetFlags() const28 virtual uint32_t onGetFlags() const SK_OVERRIDE {
29 return kSkipTiled_Flag;
30 }
31
onShortName()32 virtual SkString onShortName() {
33 return SkString("filltypes");
34 }
35
onISize()36 virtual SkISize onISize() {
37 return SkISize::Make(835, 840);
38 }
39
showPath(SkCanvas * canvas,int x,int y,SkPath::FillType ft,SkScalar scale,const SkPaint & paint)40 void showPath(SkCanvas* canvas, int x, int y, SkPath::FillType ft,
41 SkScalar scale, const SkPaint& paint) {
42
43 const SkRect r = { 0, 0, SkIntToScalar(150), SkIntToScalar(150) };
44
45 canvas->save();
46 canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
47 canvas->clipRect(r);
48 canvas->drawColor(SK_ColorWHITE);
49 fPath.setFillType(ft);
50 canvas->translate(r.centerX(), r.centerY());
51 canvas->scale(scale, scale);
52 canvas->translate(-r.centerX(), -r.centerY());
53 canvas->drawPath(fPath, paint);
54 canvas->restore();
55 }
56
showFour(SkCanvas * canvas,SkScalar scale,const SkPaint & paint)57 void showFour(SkCanvas* canvas, SkScalar scale, const SkPaint& paint) {
58 showPath(canvas, 0, 0, SkPath::kWinding_FillType,
59 scale, paint);
60 showPath(canvas, 200, 0, SkPath::kEvenOdd_FillType,
61 scale, paint);
62 showPath(canvas, 00, 200, SkPath::kInverseWinding_FillType,
63 scale, paint);
64 showPath(canvas, 200, 200, SkPath::kInverseEvenOdd_FillType,
65 scale, paint);
66 }
67
onDraw(SkCanvas * canvas)68 virtual void onDraw(SkCanvas* canvas) {
69 this->makePath();
70
71 canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
72
73 SkPaint paint;
74 const SkScalar scale = SkIntToScalar(5)/4;
75
76 paint.setAntiAlias(false);
77
78 showFour(canvas, SK_Scalar1, paint);
79 canvas->translate(SkIntToScalar(450), 0);
80 showFour(canvas, scale, paint);
81
82 paint.setAntiAlias(true);
83
84 canvas->translate(SkIntToScalar(-450), SkIntToScalar(450));
85 showFour(canvas, SK_Scalar1, paint);
86 canvas->translate(SkIntToScalar(450), 0);
87 showFour(canvas, scale, paint);
88 }
89
90 private:
91 typedef GM INHERITED;
92 };
93
94 //////////////////////////////////////////////////////////////////////////////
95
MyFactory(void *)96 static GM* MyFactory(void*) { return new FillTypeGM; }
97 static GMRegistry reg(MyFactory);
98
99 }
100