1 /* 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 "SkPath.h" 11 #include "SkRandom.h" 12 #include "SkRRect.h" 13 #include "SkTime.h" 14 15 // Implementation in C++ of Mozilla Canvas2D benchmark Canvas Clock Test 16 // See https://code.google.com/p/skia/issues/detail?id=1626 17 18 #define USE_PATH 1 19 20 class ClockView : public SampleView { 21 public: 22 ClockView() {} 23 24 protected: 25 // overrides from SkEventSink 26 bool onQuery(SkEvent* evt) override { 27 if (SampleCode::TitleQ(*evt)) { 28 SampleCode::TitleR(evt, "Clock"); 29 return true; 30 } 31 return this->INHERITED::onQuery(evt); 32 } 33 34 void onDrawContent(SkCanvas* canvas) override { 35 SkPaint paintFill; 36 SkPaint paintStroke; 37 SkPath path; 38 39 canvas->save(); 40 canvas->translate(150, 150); 41 canvas->scale(0.4f, 0.4f); 42 canvas->rotate(-180.f/2.f); 43 44 paintFill.setAntiAlias(true); 45 paintFill.setColor(SK_ColorBLACK); 46 paintStroke.setAntiAlias(true); 47 paintStroke.setStyle(SkPaint::kStroke_Style); 48 paintStroke.setColor(SK_ColorBLACK); 49 paintStroke.setStrokeWidth(8); 50 paintStroke.setStrokeCap(SkPaint::kRound_Cap); 51 52 // Hour marks 53 SkRect rect; 54 #ifndef USE_PATH 55 rect = SkRect::MakeLTRB(200-4, -4, 240+4, 4); 56 SkRRect rrect; 57 SkVector radii[4] = {{4,4}, {4,4}, {4,4}, {4,4}}; 58 rrect.setRectRadii(rect, radii); 59 #endif 60 canvas->save(); 61 for (int i=0;i<12;i++){ 62 canvas->rotate(180.f/6.f); 63 #ifdef USE_PATH 64 path.reset(); 65 path.moveTo(200,0); 66 path.lineTo(240,0); 67 canvas->drawPath(path, paintStroke); 68 #else 69 canvas->drawRRect(rrect, paintFill); 70 #endif 71 } 72 canvas->restore(); 73 74 // Minute marks 75 canvas->save(); 76 #ifdef USE_PATH 77 paintStroke.setStrokeWidth(5); 78 #else 79 rect = SkRect::MakeLTRB(231.5f, -2.5f, 242.5, 2.5f); 80 radii[0] = SkPoint::Make(2.5f,2.5f); 81 radii[1] = SkPoint::Make(2.5f,2.5f); 82 radii[2] = SkPoint::Make(2.5f,2.5f); 83 radii[3] = SkPoint::Make(2.5f,2.5f); 84 rrect.setRectRadii(rect, radii); 85 #endif 86 for (int i=0;i<60;i++){ 87 if (i%5 == 0) { 88 canvas->rotate(180.f/30.f); 89 continue; 90 } 91 #ifdef USE_PATH 92 path.reset(); 93 path.moveTo(234,0); 94 path.lineTo(240,0); 95 canvas->drawPath(path, paintStroke); 96 #else 97 canvas->drawRRect(rrect, paintFill); 98 #endif 99 canvas->rotate(180.f/30.f); 100 } 101 canvas->restore(); 102 103 SkTime::DateTime time; 104 SkTime::GetDateTime(&time); 105 time.fHour = time.fHour >= 12 ? time.fHour-12 : time.fHour; 106 paintFill.setColor(SK_ColorBLACK); 107 108 // Write hours 109 canvas->save(); 110 canvas->rotate(time.fHour*(180.f/6.f) + time.fMinute*(180.f/360.f) 111 + time.fSecond*(180.f/21600.f) ); 112 #ifdef USE_PATH 113 paintStroke.setStrokeWidth(14); 114 path.reset(); 115 path.moveTo(-20,0); 116 path.lineTo(80,0); 117 canvas->drawPath(path, paintStroke); 118 #else 119 rect = SkRect::MakeLTRB(-20-7, -7, 80+7, 7); 120 radii[0] = SkPoint::Make(7,7); 121 radii[1] = SkPoint::Make(7,7); 122 radii[2] = SkPoint::Make(7,7); 123 radii[3] = SkPoint::Make(7,7); 124 rrect.setRectRadii(rect, radii); 125 canvas->drawRRect(rrect, paintFill); 126 #endif 127 canvas->restore(); 128 129 // Write minutes 130 canvas->save(); 131 canvas->rotate(time.fMinute*(180.f/30.f) 132 + time.fSecond*(180.f/1800.f) ); 133 #ifdef USE_PATH 134 paintStroke.setStrokeWidth(10); 135 path.reset(); 136 path.moveTo(-56,0); 137 path.lineTo(224,0); 138 canvas->drawPath(path, paintStroke); 139 #else 140 rect = SkRect::MakeLTRB(-56-5, -5, 224+5, 5); 141 radii[0] = SkPoint::Make(5,5); 142 radii[1] = SkPoint::Make(5,5); 143 radii[2] = SkPoint::Make(5,5); 144 radii[3] = SkPoint::Make(5,5); 145 rrect.setRectRadii(rect, radii); 146 canvas->drawRRect(rrect, paintFill); 147 #endif 148 canvas->restore(); 149 150 // Write seconds 151 canvas->save(); 152 canvas->rotate(time.fSecond*(180.f/30.f)); 153 paintFill.setColor(0xffd40000); 154 paintStroke.setColor(0xffd40000); 155 paintStroke.setStrokeWidth(6); 156 #ifdef USE_PATH 157 path.reset(); 158 path.moveTo(-60,0); 159 path.lineTo(166,0); 160 canvas->drawPath(path, paintStroke); 161 #else 162 rect = SkRect::MakeLTRB(-60-3, -3, 166+3, 3); 163 radii[0] = SkPoint::Make(3,3); 164 radii[1] = SkPoint::Make(3,3); 165 radii[2] = SkPoint::Make(3,3); 166 radii[3] = SkPoint::Make(3,3); 167 rrect.setRectRadii(rect, radii); 168 canvas->drawRRect(rrect, paintFill); 169 #endif 170 rect = SkRect::MakeLTRB(-20, -20, 20, 20); 171 #ifdef USE_PATH 172 path.reset(); 173 path.arcTo(rect, 0, 0, false); 174 path.addOval(rect, SkPath::kCCW_Direction); 175 path.arcTo(rect, 360, 0, true); 176 canvas->drawPath(path, paintFill); 177 #else 178 canvas->drawOval(rect, paintFill); 179 #endif 180 rect = SkRect::MakeLTRB(-20+190, -20, 20+190, 20); 181 #ifdef USE_PATH 182 path.reset(); 183 path.arcTo(rect, 0, 0, false); 184 path.addOval(rect, SkPath::kCCW_Direction); 185 path.arcTo(rect, 360, 0, true); 186 canvas->drawPath(path, paintStroke); 187 #else 188 canvas->drawOval(rect, paintStroke); 189 #endif 190 paintFill.setColor(0xff505050); 191 #ifdef USE_PATH 192 rect = SkRect::MakeLTRB(-6, -6, 6, 6); 193 path.arcTo(rect, 0, 0, false); 194 path.addOval(rect, SkPath::kCCW_Direction); 195 path.arcTo(rect, 360, 0, true); 196 canvas->drawPath(path, paintFill); 197 #else 198 canvas->drawOval(rect, paintFill); 199 rect = SkRect::MakeLTRB(-6, -6, 6, 6); 200 canvas->drawOval(rect, paintFill); 201 #endif 202 canvas->restore(); 203 204 paintStroke.setStrokeWidth(18); 205 paintStroke.setColor(0xff325FA2); 206 rect = SkRect::MakeLTRB(-284, -284, 284, 284); 207 #ifdef USE_PATH 208 path.reset(); 209 path.arcTo(rect, 0, 0, false); 210 path.addOval(rect, SkPath::kCCW_Direction); 211 path.arcTo(rect, 360, 0, true); 212 canvas->drawPath(path, paintStroke); 213 #else 214 canvas->drawOval(rect, paintStroke); 215 #endif 216 217 canvas->restore(); 218 } 219 220 bool onAnimate(const SkAnimTimer&) override { 221 return true; 222 } 223 224 private: 225 226 typedef SampleView INHERITED; 227 }; 228 229 ////////////////////////////////////////////////////////////////////////////// 230 231 static SkView* MyFactory() { return new ClockView; } 232 static SkViewRegister reg(MyFactory); 233
