109 lines
3.7 KiB
QML
109 lines
3.7 KiB
QML
/*
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Fannyapp - Application to view the cover plan of the Fanny-Leicht-Gymnasium ins Stuttgart Vaihingen, Germany
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Copyright (C) 2019 Itsblue Development <development@itsblue.de>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import QtQuick 2.0
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import QtQml 2.2
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Item {
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id: root
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width: size
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height: size
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property int size: 200 // The size of the circle in pixel
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property real arcBegin: 0 // start arc angle in degree
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property real arcEnd: 270 // end arc angle in degree
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property real arcOffset: 0 // rotation
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property bool isPie: false // paint a pie instead of an arc
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property bool showBackground: false // a full circle as a background of the arc
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property real lineWidth: 20 // width of the line
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property string colorCircle: "#CC3333"
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property string colorBackground: "#779933"
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property alias beginAnimation: animationArcBegin.enabled
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property alias endAnimation: animationArcEnd.enabled
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property int animationDuration: 20
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onArcBeginChanged: canvas.requestPaint()
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onArcEndChanged: canvas.requestPaint()
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Behavior on arcBegin {
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id: animationArcBegin
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enabled: true
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NumberAnimation {
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duration: root.animationDuration
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easing.type: Easing.InOutCubic
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}
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}
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Behavior on arcEnd {
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id: animationArcEnd
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enabled: true
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NumberAnimation {
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duration: root.animationDuration
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easing.type: Easing.InOutCubic
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}
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}
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Canvas {
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id: canvas
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anchors.fill: parent
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rotation: -90 + parent.arcOffset
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onPaint: {
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var ctx = getContext("2d")
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var x = width / 2
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var y = height / 2
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var start = Math.PI * (parent.arcBegin / 180)
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var end = Math.PI * (parent.arcEnd / 180)
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ctx.reset()
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if (root.isPie) {
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if (root.showBackground) {
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ctx.beginPath()
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ctx.fillStyle = root.colorBackground
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ctx.moveTo(x, y)
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ctx.arc(x, y, width / 2, 0, Math.PI * 2, false)
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ctx.lineTo(x, y)
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ctx.fill()
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}
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ctx.beginPath()
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ctx.fillStyle = root.colorCircle
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ctx.moveTo(x, y)
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ctx.arc(x, y, width / 2, start, end, false)
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ctx.lineTo(x, y)
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ctx.fill()
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} else {
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if (root.showBackground) {
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ctx.beginPath();
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ctx.arc(x, y, (width / 2) - parent.lineWidth / 2, 0, Math.PI * 2, false)
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ctx.lineWidth = root.lineWidth
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ctx.strokeStyle = root.colorBackground
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ctx.stroke()
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}
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ctx.beginPath();
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ctx.arc(x, y, (width / 2) - parent.lineWidth / 2, start, end, false)
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ctx.lineWidth = root.lineWidth
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ctx.strokeStyle = root.colorCircle
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ctx.stroke()
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}
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}
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}
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}
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