213 lines
6.3 KiB
C++
213 lines
6.3 KiB
C++
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "samplecode/Sample.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkPath.h"
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#include "include/core/SkRRect.h"
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#include "include/core/SkTime.h"
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#include "include/utils/SkRandom.h"
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// Implementation in C++ of Mozilla Canvas2D benchmark Canvas Clock Test
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// See https://code.google.com/p/skia/issues/detail?id=1626
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#define USE_PATH 1
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class ClockView : public Sample {
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SkString name() override { return SkString("Clock"); }
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void onDrawContent(SkCanvas* canvas) override {
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SkPaint paintFill;
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SkPaint paintStroke;
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SkPath path;
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canvas->save();
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canvas->translate(150, 150);
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canvas->scale(0.4f, 0.4f);
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canvas->rotate(-180.f/2.f);
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paintFill.setAntiAlias(true);
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paintFill.setColor(SK_ColorBLACK);
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paintStroke.setAntiAlias(true);
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paintStroke.setStyle(SkPaint::kStroke_Style);
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paintStroke.setColor(SK_ColorBLACK);
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paintStroke.setStrokeWidth(8);
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paintStroke.setStrokeCap(SkPaint::kRound_Cap);
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// Hour marks
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SkRect rect;
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#ifndef USE_PATH
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rect = SkRect::MakeLTRB(200-4, -4, 240+4, 4);
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SkRRect rrect;
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SkVector radii[4] = {{4,4}, {4,4}, {4,4}, {4,4}};
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rrect.setRectRadii(rect, radii);
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#endif
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canvas->save();
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for (int i=0;i<12;i++){
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canvas->rotate(180.f/6.f);
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#ifdef USE_PATH
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path.reset();
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path.moveTo(200,0);
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path.lineTo(240,0);
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canvas->drawPath(path, paintStroke);
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#else
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canvas->drawRRect(rrect, paintFill);
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#endif
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}
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canvas->restore();
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// Minute marks
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canvas->save();
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#ifdef USE_PATH
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paintStroke.setStrokeWidth(5);
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#else
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rect = SkRect::MakeLTRB(231.5f, -2.5f, 242.5, 2.5f);
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radii[0] = SkPoint::Make(2.5f,2.5f);
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radii[1] = SkPoint::Make(2.5f,2.5f);
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radii[2] = SkPoint::Make(2.5f,2.5f);
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radii[3] = SkPoint::Make(2.5f,2.5f);
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rrect.setRectRadii(rect, radii);
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#endif
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for (int i=0;i<60;i++){
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if (i%5 == 0) {
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canvas->rotate(180.f/30.f);
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continue;
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}
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#ifdef USE_PATH
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path.reset();
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path.moveTo(234,0);
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path.lineTo(240,0);
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canvas->drawPath(path, paintStroke);
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#else
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canvas->drawRRect(rrect, paintFill);
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#endif
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canvas->rotate(180.f/30.f);
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}
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canvas->restore();
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SkTime::DateTime time;
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SkTime::GetDateTime(&time);
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time.fHour = time.fHour >= 12 ? time.fHour-12 : time.fHour;
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paintFill.setColor(SK_ColorBLACK);
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// Write hours
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canvas->save();
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canvas->rotate(time.fHour*(180.f/6.f) + time.fMinute*(180.f/360.f)
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+ time.fSecond*(180.f/21600.f) );
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#ifdef USE_PATH
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paintStroke.setStrokeWidth(14);
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path.reset();
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path.moveTo(-20,0);
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path.lineTo(80,0);
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canvas->drawPath(path, paintStroke);
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#else
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rect = SkRect::MakeLTRB(-20-7, -7, 80+7, 7);
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radii[0] = SkPoint::Make(7,7);
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radii[1] = SkPoint::Make(7,7);
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radii[2] = SkPoint::Make(7,7);
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radii[3] = SkPoint::Make(7,7);
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rrect.setRectRadii(rect, radii);
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canvas->drawRRect(rrect, paintFill);
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#endif
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canvas->restore();
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// Write minutes
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canvas->save();
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canvas->rotate(time.fMinute*(180.f/30.f)
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+ time.fSecond*(180.f/1800.f) );
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#ifdef USE_PATH
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paintStroke.setStrokeWidth(10);
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path.reset();
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path.moveTo(-56,0);
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path.lineTo(224,0);
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canvas->drawPath(path, paintStroke);
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#else
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rect = SkRect::MakeLTRB(-56-5, -5, 224+5, 5);
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radii[0] = SkPoint::Make(5,5);
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radii[1] = SkPoint::Make(5,5);
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radii[2] = SkPoint::Make(5,5);
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radii[3] = SkPoint::Make(5,5);
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rrect.setRectRadii(rect, radii);
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canvas->drawRRect(rrect, paintFill);
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#endif
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canvas->restore();
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// Write seconds
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canvas->save();
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canvas->rotate(time.fSecond*(180.f/30.f));
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paintFill.setColor(0xffd40000);
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paintStroke.setColor(0xffd40000);
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paintStroke.setStrokeWidth(6);
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#ifdef USE_PATH
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path.reset();
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path.moveTo(-60,0);
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path.lineTo(166,0);
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canvas->drawPath(path, paintStroke);
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#else
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rect = SkRect::MakeLTRB(-60-3, -3, 166+3, 3);
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radii[0] = SkPoint::Make(3,3);
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radii[1] = SkPoint::Make(3,3);
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radii[2] = SkPoint::Make(3,3);
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radii[3] = SkPoint::Make(3,3);
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rrect.setRectRadii(rect, radii);
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canvas->drawRRect(rrect, paintFill);
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#endif
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rect = SkRect::MakeLTRB(-20, -20, 20, 20);
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#ifdef USE_PATH
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path.reset();
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path.arcTo(rect, 0, 0, false);
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path.addOval(rect, SkPathDirection::kCCW);
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path.arcTo(rect, 360, 0, true);
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canvas->drawPath(path, paintFill);
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#else
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canvas->drawOval(rect, paintFill);
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#endif
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rect = SkRect::MakeLTRB(-20+190, -20, 20+190, 20);
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#ifdef USE_PATH
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path.reset();
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path.arcTo(rect, 0, 0, false);
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path.addOval(rect, SkPathDirection::kCCW);
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path.arcTo(rect, 360, 0, true);
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canvas->drawPath(path, paintStroke);
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#else
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canvas->drawOval(rect, paintStroke);
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#endif
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paintFill.setColor(0xff505050);
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#ifdef USE_PATH
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rect = SkRect::MakeLTRB(-6, -6, 6, 6);
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path.arcTo(rect, 0, 0, false);
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path.addOval(rect, SkPathDirection::kCCW);
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path.arcTo(rect, 360, 0, true);
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canvas->drawPath(path, paintFill);
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#else
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canvas->drawOval(rect, paintFill);
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rect = SkRect::MakeLTRB(-6, -6, 6, 6);
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canvas->drawOval(rect, paintFill);
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#endif
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canvas->restore();
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paintStroke.setStrokeWidth(18);
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paintStroke.setColor(0xff325FA2);
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rect = SkRect::MakeLTRB(-284, -284, 284, 284);
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#ifdef USE_PATH
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path.reset();
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path.arcTo(rect, 0, 0, false);
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path.addOval(rect, SkPathDirection::kCCW);
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path.arcTo(rect, 360, 0, true);
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canvas->drawPath(path, paintStroke);
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#else
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canvas->drawOval(rect, paintStroke);
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#endif
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canvas->restore();
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}
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bool onAnimate(double /*nanos*/) override { return true; }
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};
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DEF_SAMPLE( return new ClockView(); )
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