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analog-asteroid-logo.qml
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analog-asteroid-logo.qml
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/*
* Copyright (C) 2018 - Timo Könnecke <el-t-mo@arcor.de>
* 2016 - Sylvia van Os <iamsylvie@openmailbox.org>
* 2015 - Florent Revest <revestflo@gmail.com>
* 2012 - Vasiliy Sorokin <sorokin.vasiliy@gmail.com>
* Aleksey Mikhailichenko <a.v.mich@gmail.com>
* Arto Jalkanen <ajalkane@gmail.com>
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Based on 002-analog stock watchface.
* emulated image/png shadow by redrawing path in canvas.
*/
import QtQuick 2.1
Item {
function prepareContext(ctx) {
ctx.reset()
ctx.fillStyle = Qt.rgba(1, 1, 1, 0.85)
ctx.textAlign = "center"
ctx.textBaseline = 'middle';
ctx.shadowColor = Qt.rgba(0, 0, 0, 0.75)
ctx.shadowOffsetX = parent.height * 0.00625
ctx.shadowOffsetY = parent.height * 0.00625 //2 px on 320x320
ctx.shadowBlur = parent.height * 0.01875 //6 px on 320x320
}
Image {
z: 10
id: logo
source: "asteroid_logo.png"
anchors.horizontalCenter: parent.horizontalCenter
anchors.verticalCenter: parent.verticalCenter
width: parent.width/2.5
height: parent.height/2.5
}
Canvas {
z: 9
id: logoShadowPath
anchors.fill: parent
smooth: true
onPaint: {
var ctx = getContext("2d")
prepareContext(ctx)
ctx.shadowColor = Qt.rgba(0, 0, 0, 0.75)
ctx.shadowOffsetX = 4
ctx.shadowOffsetY = 4
ctx.shadowBlur = 12
ctx.lineWidth = parent.width*0.05
ctx.beginPath()
ctx.fillStyle = Qt.rgba(1, 1, 1, 5)
ctx.moveTo(parent.width/3.3,
parent.height/2)
ctx.lineTo(parent.width/2,
parent.height/3.3)
ctx.lineTo(parent.width/1.44,
parent.height/2)
ctx.lineTo(parent.width/2,
parent.height/1.44)
ctx.lineTo(parent.width/2,
parent.height/1.60)
ctx.lineTo(parent.width/1.6,
parent.height/2)
ctx.lineTo(parent.width/1.85,
parent.height/2.4)
ctx.lineTo(parent.width/2,
parent.height/2.2)
ctx.lineTo(parent.width/2.18,
parent.height/2.4)
ctx.lineTo(parent.width/2.42,
parent.height/2.16)
ctx.lineTo(parent.width/2.18,
parent.height/1.98)
ctx.lineTo(parent.width/2,
parent.height/2.14)
ctx.lineTo(parent.width/1.88,
parent.height/2)
ctx.lineTo(parent.width/2.20,
parent.height/1.73)
ctx.lineTo(parent.width/2,
parent.height/1.60)
ctx.lineTo(parent.width/2,
parent.height/1.44)
ctx.fill()
ctx.closePath()
}
}
// hour strokes
Canvas {
z: 1
anchors.fill: parent
smooth: true
onPaint: {
var ctx = getContext("2d")
prepareContext(ctx)
ctx.shadowBlur = parent.height * 0.01875 //6 px on 320x320
ctx.lineWidth = parent.width*0.012
ctx.strokeStyle = Qt.rgba(1, 1, 1, 0.85)
ctx.translate(parent.width/2, parent.height/2)
for (var i=0; i < 12; i++) {
// do not paint main hour strokes
//if ( i%3 != 0) {
ctx.beginPath()
ctx.moveTo(0, height*0.42)
ctx.lineTo(-height*0.0096, height*0.43)
ctx.lineTo(0, height*0.44)
ctx.lineTo(+height*0.0096, height*0.43)
ctx.lineTo(0, height*0.42)
ctx.stroke()
//}
ctx.rotate(Math.PI/6)
}
}
}
// hours
Canvas {
z: 3
id: hourCanvas
property var hour: 0
anchors.fill: parent
smooth: true
onPaint: {
var ctx = getContext("2d")
prepareContext(ctx)
ctx.beginPath()
ctx.strokeStyle = Qt.rgba(1, 1, 1, 1)
ctx.fillStyle = Qt.rgba(1, 1, 1, 1)
ctx.lineWidth = parent.width*0.048
ctx.moveTo(parent.width/2+Math.cos(((hour-3 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.13,
parent.height/2+Math.sin(((hour-3 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.13)
ctx.lineTo(parent.width/2+Math.cos(((hour-3 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.255,
parent.height/2+Math.sin(((hour-3 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.255)
ctx.stroke()
ctx.closePath()
ctx.beginPath()
ctx.lineWidth = parent.width*0.024
ctx.moveTo(parent.width/2+Math.cos(((hour-3.35 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.336,
parent.height/2+Math.sin(((hour-3.35 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.336)
ctx.lineTo(parent.width/2+Math.cos(((hour-3 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.388,
parent.height/2+Math.sin(((hour-3 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.388)
ctx.lineTo(parent.width/2+Math.cos(((hour-2.65 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.336,
parent.height/2+Math.sin(((hour-2.65 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.336)
ctx.lineTo(parent.width/2+Math.cos(((hour-3 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.27,
parent.height/2+Math.sin(((hour-3 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.27)
ctx.lineTo(parent.width/2+Math.cos(((hour-3.35 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.336,
parent.height/2+Math.sin(((hour-3.35 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.336)
ctx.stroke()
ctx.closePath()
ctx.beginPath()
ctx.lineWidth = parent.width*0.05
ctx.shadowColor = Qt.rgba(0, 0, 0, 0.0)
ctx.moveTo(parent.width/2+Math.cos(((hour-3 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.13,
parent.height/2+Math.sin(((hour-3 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.13)
ctx.lineTo(parent.width/2+Math.cos(((hour-3 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.28,
parent.height/2+Math.sin(((hour-3 + wallClock.time.getMinutes()/60) / 12) * 2 * Math.PI)*width*0.28)
ctx.stroke()
ctx.closePath()
}
}
// minutes
Canvas {
z: 4
id: minuteCanvas
property var minute: 0
anchors.fill: parent
smooth: true
onPaint: {
var ctx = getContext("2d")
prepareContext(ctx)
ctx.lineWidth = parent.width*0.03
ctx.beginPath()
ctx.strokeStyle = Qt.rgba(1, 1, 1, 1)
ctx.moveTo(parent.width/2+Math.cos(((minute - 15)/60) * 2 * Math.PI)*width*0.13,
parent.height/2+Math.sin(((minute - 15)/60) * 2 * Math.PI)*width*0.13)
ctx.lineTo(parent.width/2+Math.cos(((minute - 15)/60) * 2 * Math.PI)*width*0.395,
parent.height/2+Math.sin(((minute - 15)/60) * 2 * Math.PI)*width*0.395)
ctx.stroke()
ctx.closePath()
ctx.lineWidth = parent.width*0.014
ctx.beginPath()
ctx.strokeStyle = Qt.rgba(1, 1, 1, 1)
ctx.moveTo(parent.width/2+Math.cos(((minute - 15.75)/60) * 2 * Math.PI)*width*0.432,
parent.height/2+Math.sin(((minute - 15.75)/60) * 2 * Math.PI)*width*0.432)
ctx.lineTo(parent.width/2+Math.cos(((minute - 15)/60) * 2 * Math.PI)*width*0.464,
parent.height/2+Math.sin(((minute - 15)/60) * 2 * Math.PI)*width*0.464)
ctx.lineTo(parent.width/2+Math.cos(((minute - 14.25)/60) * 2 * Math.PI)*width*0.432,
parent.height/2+Math.sin(((minute - 14.25)/60) * 2 * Math.PI)*width*0.432)
ctx.lineTo(parent.width/2+Math.cos(((minute - 15)/60) * 2 * Math.PI)*width*0.395,
parent.height/2+Math.sin(((minute - 15)/60) * 2 * Math.PI)*width*0.395)
ctx.lineTo(parent.width/2+Math.cos(((minute - 15.75)/60) * 2 * Math.PI)*width*0.432,
parent.height/2+Math.sin(((minute - 15.75)/60) * 2 * Math.PI)*width*0.432)
ctx.stroke()
ctx.closePath()
ctx.beginPath()
ctx.strokeStyle = Qt.rgba(1, 1, 1, 1)
ctx.lineWidth = parent.width*0.03
ctx.shadowColor = Qt.rgba(0, 0, 0, 0.0)
ctx.moveTo(parent.width/2+Math.cos(((minute - 15)/60) * 2 * Math.PI)*width*0.13,
parent.height/2+Math.sin(((minute - 15)/60) * 2 * Math.PI)*width*0.13)
ctx.lineTo(parent.width/2+Math.cos(((minute - 15)/60) * 2 * Math.PI)*width*0.405,
parent.height/2+Math.sin(((minute - 15)/60) * 2 * Math.PI)*width*0.405)
ctx.stroke()
ctx.closePath()
}
}
// seconds
Canvas {
z: 5
id: secondCanvas
property var second: 0
anchors.fill: parent
smooth: true
onPaint: {
var ctx = getContext("2d")
prepareContext(ctx)
ctx.strokeStyle = "red"
ctx.beginPath()
ctx.lineWidth = parent.height*0.008
ctx.moveTo(parent.width/2+Math.cos((second - 15)/60 * 2 * Math.PI)*width*0.13,
parent.height/2+Math.sin((second - 15)/60 * 2 * Math.PI)*width*0.13)
ctx.lineTo(parent.width/2+Math.cos((second - 15)/60 * 2 * Math.PI)*width*0.432,
parent.height/2+Math.sin((second - 15)/60 * 2 * Math.PI)*width*0.432)
ctx.stroke()
ctx.closePath()
}
}
Connections {
target: wallClock
onTimeChanged: {
var hour = wallClock.time.getHours()
var minute = wallClock.time.getMinutes()
var second = wallClock.time.getSeconds()
if(hourCanvas.hour != hour) {
hourCanvas.hour = hour
hourCanvas.requestPaint()
} if(minuteCanvas.minute != minute) {
minuteCanvas.minute = minute
minuteCanvas.requestPaint()
} if(secondCanvas.second != second) {
secondCanvas.second = second
secondCanvas.requestPaint()
}
}
}
Component.onCompleted: {
var hour = wallClock.time.getHours()
var minute = wallClock.time.getMinutes()
var second = wallClock.time.getSeconds()
hourCanvas.hour = hour
hourCanvas.requestPaint()
minuteCanvas.minute = minute
minuteCanvas.requestPaint()
secondCanvas.second = second
secondCanvas.requestPaint()
}
}