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 "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 19 class ClockView : public SampleView { 20 public: 21 ClockView() {} 22 23 protected: 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 } 220 221 private: 222 223 typedef SampleView INHERITED; 224 }; 225 226 ////////////////////////////////////////////////////////////////////////////// 227 228 static SkView* MyFactory() { return new ClockView; } 229 static SkViewRegister reg(MyFactory); 230
