TachometerStyle.qml Example File
dashboard/qml/TachometerStyle.qml
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,
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
}
}
}