/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ import QtQuick 2.2 import QtQuick.Controls.Styles 1.4 import QtQuick.Extras 1.4 DashboardGaugeStyle { id: tachometerStyle tickmarkStepSize: 1 labelStepSize: 1 needleLength: toPixels(0.85) needleBaseWidth: toPixels(0.08) needleTipWidth: toPixels(0.03) tickmark: Rectangle { implicitWidth: toPixels(0.03) antialiasing: true implicitHeight: toPixels(0.08) color: styleData.index === 7 || styleData.index === 8 ? Qt.rgba(0.5, 0, 0, 1) : "#c8c8c8" } minorTickmark: null tickmarkLabel: Text { font.pixelSize: Math.max(6, toPixels(0.12)) text: styleData.value color: styleData.index === 7 || styleData.index === 8 ? Qt.rgba(0.5, 0, 0, 1) : "#c8c8c8" antialiasing: true } background: Canvas { onPaint: { var ctx = getContext("2d"); ctx.reset(); paintBackground(ctx); ctx.beginPath(); ctx.lineWidth = tachometerStyle.toPixels(0.08); ctx.strokeStyle = Qt.rgba(0.5, 0, 0, 1); var warningCircumference = maximumValueAngle - minimumValueAngle * 0.1; var startAngle = maximumValueAngle - 90; ctx.arc(outerRadius, outerRadius, // Start the line in from the decorations, and account for the width of the line itself. outerRadius - tickmarkInset - ctx.lineWidth / 2, degToRad(startAngle - angleRange / 8 + angleRange * 0.015), degToRad(startAngle - angleRange * 0.015), false); ctx.stroke(); } Text { id: rpmText font.pixelSize: tachometerStyle.toPixels(0.3) text: rpmInt color: "white" horizontalAlignment: Text.AlignRight anchors.horizontalCenter: parent.horizontalCenter anchors.top: parent.verticalCenter anchors.topMargin: 20 readonly property int rpmInt: valueSource.rpm } Text { text: "x1000" color: "white" font.pixelSize: tachometerStyle.toPixels(0.1) anchors.top: parent.top anchors.topMargin: parent.height / 4 anchors.horizontalCenter: parent.horizontalCenter } Text { text: "RPM" color: "white" font.pixelSize: tachometerStyle.toPixels(0.1) anchors.top: rpmText.bottom anchors.horizontalCenter: parent.horizontalCenter } } }