1 files changed, 135 insertions, 0 deletions
diff --git a/app/IconGaugeStyle.qml b/app/IconGaugeStyle.qml
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+/****************************************************************************
+**
+** 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: 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
+        }
+    }
+}