Symbols/HVAC.1/Heater.qml

0001 import QtQuick 2.0
0002
0003 /**
0004   Heater.
0005   */
0006 HeatExchanger {
0007         id: root
0008
0009         content: Component {
0010                 SymbolCanvas {
0011                         element: root
0012
0013                         property point symbolPos: root.symbolPos()
0014
0015                         onPaint: {
0016                                 var ctx = getContext("2d")
0017                                 ctx.save()
0018                                 ctx.reset()
0019
0020                                 ctx.lineWidth = root.units.strokeWidth
0021                                 ctx.fillStyle = root.color.background
0022                                 ctx.strokeStyle = root.color.foreground
0023
0024                                 // Draw plus symbol with radius r.
0025                                 var r = width * 0.25
0026
0027                                 // Draw diagonal line.
0028                                 ctx.moveTo(0, height)
0029                                 ctx.lineTo(width, 0)
0030                                 ctx.stroke()
0031
0032                                 // Draw circle.
0033                                 ctx.beginPath()
0034                                 ctx.arc(symbolPos.x, symbolPos.y, r, 0, 2 * Math.PI)
0035                                 ctx.fill()
0036                                 ctx.stroke()
0037
0038                                 // Draw plus.
0039                                 ctx.beginPath()
0040                                 ctx.moveTo(symbolPos.x - r * 0.5, symbolPos.y)
0041                                 ctx.lineTo(symbolPos.x + r * 0.5, symbolPos.y)
0042                                 ctx.moveTo(symbolPos.x, symbolPos.y - r * 0.5)
0043                                 ctx.lineTo(symbolPos.x, symbolPos.y + r * 0.5)
0044                                 ctx.stroke()
0045
0046                                 ctx.restore()
0047                         }
0048
0049                         onSymbolPosChanged: requestPaint()
0050                 }
0051         }
0052 }
0053
0054 //(c)C: Copyright © 2020, Michał Policht <michal@policht.pl>. All rights reserved.
0055 //(c)C: SPDX-License-Identifier: LGPL-3.0-or-later OR MIT
0056 //(c)C: This file is a part of CuteHMI.
0057 //(c)C: CuteHMI 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 3 of the License, or (at your option) any later version.
0058 //(c)C: CuteHMI 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 Lesser General Public License for more details.
0059 //(c)C: You should have received a copy of the GNU Lesser General Public License along with CuteHMI.  If not, see <https://www.gnu.org/licenses/>.
0060 //(c)C: Additionally, this file is licensed under terms of MIT license as expressed below.
0061 //(c)C: Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
0062 //(c)C: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
0063 //(c)C: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.