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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 and its Subsidiary(-ies) 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.Extras 1.3
import QtQuick.Extras.Styles 1.3
DashboardGaugeStyle {
id: fuelGaugeStyle
minimumValueAngle: -60
maximumValueAngle: 60
tickmarkStepSize: 1
labelStepSize: 1
labelInset: toPixels(-0.25)
minorTickmarkCount: 3
needleLength: toPixels(0.85)
needleBaseWidth: toPixels(0.08)
needleTipWidth: toPixels(0.03)
halfGauge: true
property string icon: ""
property color minWarningColor: "transparent"
property color maxWarningColor: "transparent"
readonly property real minWarningStartAngle: minimumValueAngle - 90
readonly property real maxWarningStartAngle: maximumValueAngle - 90
tickmark: Rectangle {
implicitWidth: toPixels(0.06)
antialiasing: true
implicitHeight: toPixels(0.2)
color: "#c8c8c8"
}
minorTickmark: Rectangle {
implicitWidth: toPixels(0.03)
antialiasing: true
implicitHeight: toPixels(0.15)
color: "#c8c8c8"
}
background: Item {
Canvas {
anchors.fill: parent
onPaint: {
var ctx = getContext("2d");
ctx.reset();
paintBackground(ctx);
if (minWarningColor != "transparent") {
ctx.beginPath();
ctx.lineWidth = fuelGaugeStyle.toPixels(0.08);
ctx.strokeStyle = minWarningColor;
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(minWarningStartAngle),
degToRad(minWarningStartAngle + angleRange / (minorTickmarkCount + 1)), false);
ctx.stroke();
}
if (maxWarningColor != "transparent") {
ctx.beginPath();
ctx.lineWidth = fuelGaugeStyle.toPixels(0.08);
ctx.strokeStyle = maxWarningColor;
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(maxWarningStartAngle - angleRange / (minorTickmarkCount + 1)),
degToRad(maxWarningStartAngle), false);
ctx.stroke();
}
}
}
Image {
source: icon
anchors.bottom: parent.verticalCenter
anchors.bottomMargin: toPixels(0.3)
anchors.horizontalCenter: parent.horizontalCenter
width: toPixels(0.3)
height: width
fillMode: Image.PreserveAspectFit
}
}
}
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