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jvanverth@google.comdcd36f32013-09-17 19:52:05 +00001/*
2 * Copyright 2013 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#include "SampleCode.h"
8
9#include "SkCanvas.h"
10#include "SkRandom.h"
11#include "SkRRect.h"
12#include "SkTime.h"
13
14// Implementation in C++ of Mozilla Canvas2D benchmark Canvas Clock Test
15// See https://code.google.com/p/skia/issues/detail?id=1626
16
17#define USE_PATH 1
18
19class ClockView : public SampleView {
20public:
21 ClockView() {}
22
23protected:
24 // overrides from SkEventSink
25 virtual bool onQuery(SkEvent* evt) SK_OVERRIDE {
26 if (SampleCode::TitleQ(*evt)) {
27 SampleCode::TitleR(evt, "Clock");
28 return true;
29 }
30 return this->INHERITED::onQuery(evt);
31 }
32
33 virtual void onDrawContent(SkCanvas* canvas) SK_OVERRIDE {
34 SkPaint paintFill;
35 SkPaint paintStroke;
36 SkPath path;
37
38 canvas->save();
39 canvas->translate(150, 150);
40 canvas->scale(0.4f, 0.4f);
41 canvas->rotate(-180.f/2.f);
42
43 paintFill.setAntiAlias(true);
44 paintFill.setColor(SK_ColorBLACK);
45 paintStroke.setAntiAlias(true);
46 paintStroke.setStyle(SkPaint::kStroke_Style);
47 paintStroke.setColor(SK_ColorBLACK);
48 paintStroke.setStrokeWidth(8);
49 paintStroke.setStrokeCap(SkPaint::kRound_Cap);
50
51 // Hour marks
52 SkRect rect;
53#ifndef USE_PATH
54 rect = SkRect::MakeLTRB(200-4, -4, 240+4, 4);
55 SkRRect rrect;
56 SkVector radii[4] = {{4,4}, {4,4}, {4,4}, {4,4}};
57 rrect.setRectRadii(rect, radii);
58#endif
59 canvas->save();
60 for (int i=0;i<12;i++){
61 canvas->rotate(180.f/6.f);
62#ifdef USE_PATH
63 path.reset();
64 path.moveTo(200,0);
65 path.lineTo(240,0);
66 canvas->drawPath(path, paintStroke);
67#else
68 canvas->drawRRect(rrect, paintFill);
69#endif
70 }
71 canvas->restore();
72
73 // Minute marks
74 canvas->save();
75#ifdef USE_PATH
76 paintStroke.setStrokeWidth(5);
77#else
78 rect = SkRect::MakeLTRB(231.5f, -2.5f, 242.5, 2.5f);
79 radii[0] = SkPoint::Make(2.5f,2.5f);
80 radii[1] = SkPoint::Make(2.5f,2.5f);
81 radii[2] = SkPoint::Make(2.5f,2.5f);
82 radii[3] = SkPoint::Make(2.5f,2.5f);
83 rrect.setRectRadii(rect, radii);
84#endif
85 for (int i=0;i<60;i++){
86 if (i%5 == 0) {
87 canvas->rotate(180.f/30.f);
88 continue;
89 }
90#ifdef USE_PATH
91 path.reset();
92 path.moveTo(234,0);
93 path.lineTo(240,0);
94 canvas->drawPath(path, paintStroke);
95#else
96 canvas->drawRRect(rrect, paintFill);
97#endif
98 canvas->rotate(180.f/30.f);
99 }
100 canvas->restore();
101
102 SkTime::DateTime time;
103 SkTime::GetDateTime(&time);
104 time.fHour = time.fHour >= 12 ? time.fHour-12 : time.fHour;
105 paintFill.setColor(SK_ColorBLACK);
106
107 // Write hours
108 canvas->save();
109 canvas->rotate(time.fHour*(180.f/6.f) + time.fMinute*(180.f/360.f)
110 + time.fSecond*(180.f/21600.f) );
111#ifdef USE_PATH
112 paintStroke.setStrokeWidth(14);
113 path.reset();
114 path.moveTo(-20,0);
115 path.lineTo(80,0);
116 canvas->drawPath(path, paintStroke);
117#else
118 rect = SkRect::MakeLTRB(-20-7, -7, 80+7, 7);
119 radii[0] = SkPoint::Make(7,7);
120 radii[1] = SkPoint::Make(7,7);
121 radii[2] = SkPoint::Make(7,7);
122 radii[3] = SkPoint::Make(7,7);
123 rrect.setRectRadii(rect, radii);
124 canvas->drawRRect(rrect, paintFill);
125#endif
126 canvas->restore();
127
128 // Write minutes
129 canvas->save();
130 canvas->rotate(time.fMinute*(180.f/30.f)
131 + time.fSecond*(180.f/1800.f) );
132#ifdef USE_PATH
133 paintStroke.setStrokeWidth(10);
134 path.reset();
135 path.moveTo(-56,0);
136 path.lineTo(224,0);
137 canvas->drawPath(path, paintStroke);
138#else
139 rect = SkRect::MakeLTRB(-56-5, -5, 224+5, 5);
140 radii[0] = SkPoint::Make(5,5);
141 radii[1] = SkPoint::Make(5,5);
142 radii[2] = SkPoint::Make(5,5);
143 radii[3] = SkPoint::Make(5,5);
144 rrect.setRectRadii(rect, radii);
145 canvas->drawRRect(rrect, paintFill);
146#endif
147 canvas->restore();
148
149 // Write seconds
150 canvas->save();
151 canvas->rotate(time.fSecond*(180.f/30.f));
152 paintFill.setColor(0xffd40000);
153 paintStroke.setColor(0xffd40000);
154 paintStroke.setStrokeWidth(6);
155#ifdef USE_PATH
156 path.reset();
157 path.moveTo(-60,0);
158 path.lineTo(166,0);
159 canvas->drawPath(path, paintStroke);
160#else
161 rect = SkRect::MakeLTRB(-60-3, -3, 166+3, 3);
162 radii[0] = SkPoint::Make(3,3);
163 radii[1] = SkPoint::Make(3,3);
164 radii[2] = SkPoint::Make(3,3);
165 radii[3] = SkPoint::Make(3,3);
166 rrect.setRectRadii(rect, radii);
167 canvas->drawRRect(rrect, paintFill);
168#endif
169 rect = SkRect::MakeLTRB(-20, -20, 20, 20);
170#ifdef USE_PATH
171 path.reset();
172 path.arcTo(rect, 0, 0, false);
173 path.addOval(rect, SkPath::kCCW_Direction);
174 path.arcTo(rect, 360, 0, true);
175 canvas->drawPath(path, paintFill);
176#else
177 canvas->drawOval(rect, paintFill);
178#endif
179 rect = SkRect::MakeLTRB(-20+190, -20, 20+190, 20);
180#ifdef USE_PATH
181 path.reset();
182 path.arcTo(rect, 0, 0, false);
183 path.addOval(rect, SkPath::kCCW_Direction);
184 path.arcTo(rect, 360, 0, true);
185 canvas->drawPath(path, paintStroke);
186#else
187 canvas->drawOval(rect, paintStroke);
188#endif
189 paintFill.setColor(0xff505050);
190#ifdef USE_PATH
191 rect = SkRect::MakeLTRB(-6, -6, 6, 6);
192 path.arcTo(rect, 0, 0, false);
193 path.addOval(rect, SkPath::kCCW_Direction);
194 path.arcTo(rect, 360, 0, true);
195 canvas->drawPath(path, paintFill);
196#else
197 canvas->drawOval(rect, paintFill);
198 rect = SkRect::MakeLTRB(-6, -6, 6, 6);
199 canvas->drawOval(rect, paintFill);
200#endif
201 canvas->restore();
202
203 paintStroke.setStrokeWidth(18);
204 paintStroke.setColor(0xff325FA2);
205 rect = SkRect::MakeLTRB(-284, -284, 284, 284);
206#ifdef USE_PATH
207 path.reset();
208 path.arcTo(rect, 0, 0, false);
209 path.addOval(rect, SkPath::kCCW_Direction);
210 path.arcTo(rect, 360, 0, true);
211 canvas->drawPath(path, paintStroke);
212#else
213 canvas->drawOval(rect, paintStroke);
214#endif
215
216 canvas->restore();
217
218 this->inval(NULL);
219 }
220
221private:
222
223 typedef SampleView INHERITED;
224};
225
226//////////////////////////////////////////////////////////////////////////////
227
228static SkView* MyFactory() { return new ClockView; }
229static SkViewRegister reg(MyFactory);