diff options
Diffstat (limited to 'doc/src/snippets/qtcluster/qml/dash_sports/SpeedoMeter.qml')
| -rw-r--r-- | doc/src/snippets/qtcluster/qml/dash_sports/SpeedoMeter.qml | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/doc/src/snippets/qtcluster/qml/dash_sports/SpeedoMeter.qml b/doc/src/snippets/qtcluster/qml/dash_sports/SpeedoMeter.qml new file mode 100644 index 000000000..991bbc671 --- /dev/null +++ b/doc/src/snippets/qtcluster/qml/dash_sports/SpeedoMeter.qml @@ -0,0 +1,224 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the documentation 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 2.0 + +import "../functions.js" as Functions +import ClusterDemo 1.0 + +Item { + property alias speedValue: speedgauge.speedValue + property alias maxValue: speedgauge.maxValue + property real outerRadius: Math.min(width, height) * 0.5 + + Image { + id: speedBg + anchors.centerIn: parent + source: "image://etc/Gauge_Speed.png" + } + + ShaderEffect { + id: speedgauge + anchors.fill: speedBg + + property real outerRadius: Math.min(width, height) * 0.5 + property int animationDurationSpeed: 500 + + property real speedValue: 0 + property int value: startupAnimationStopped ? ValueSource.kph : speedValue + property int minValue: 0 + property int maxValue: 240 + property int minAngle: 0 + property int maxAngle: 270 + property real valueInDegrees: ((maxAngle - minAngle) + / (maxValue - minValue)) * (value - minValue) + + property double fCRadSpeed: Functions.degToRad(frontCutSpeed - 180.) + property double bCRadSpeed: Functions.degToRad(backCutSpeed - 180.) + + //Fuel gauge + property real valueFuel: ValueSource.fuelLevel + property int minAngleFuel: 324 + property int maxAngleFuel: 288 + property int maxValueFuel: 100 + property int animationDurationFuel: 100 + property color shaderColorFuel: "#464749" + property real valueInDegreesFuel: ((maxAngleFuel - minAngleFuel) + / (maxValueFuel - minValue)) * (valueFuel - minValue) + property double _acceleratingFuel: (backCutFuel < frontCutFuel) ? 1. : 0. + property double frontCutFuel: minAngleFuel + valueInDegreesFuel + property double backCutFuel: minAngleFuel + + property double fCRadFuel: Functions.degToRad(frontCutFuel - 180.) + property double bCRadFuel: Functions.degToRad(backCutFuel - 180.) + + //Shader properties + property double frontCutSpeed: minAngle + valueInDegrees// new speed + property double backCutSpeed: minAngle //starting point + + // INTERNAL BELOW + property double _acceleratingSpeed: (backCutSpeed < frontCutSpeed) ? 1. : 0. + property variant source: speedBg + property color shaderColorSpeed: "#E31E24" + + Behavior on frontCutSpeed { + enabled: startupAnimationStopped + PropertyAnimation { duration: speedgauge.animationDurationSpeed } + } + + Behavior on frontCutFuel { + enabled: startupAnimationStopped + PropertyAnimation { duration: speedgauge.animationDurationFuel } + } + + fragmentShader: " + varying highp vec2 qt_TexCoord0; + uniform lowp sampler2D source; + uniform lowp float qt_Opacity; + lowp vec4 c = vec4(0.,0.,0.,0.); + + //Speed + uniform lowp vec4 shaderColorSpeed; + uniform lowp float frontCutSpeed; + uniform lowp float backCutSpeed; + uniform lowp float _acceleratingSpeed; + + uniform highp float fCRadSpeed; + uniform highp float bCRadSpeed; + + //Fuel + uniform lowp vec4 shaderColorFuel; + uniform lowp float frontCutFuel; + uniform lowp float backCutFuel; + uniform lowp float _acceleratingFuel; + + uniform highp float fCRadFuel; + uniform highp float bCRadFuel; + + void main() { + highp vec2 uv = vec2(.5 - qt_TexCoord0.y, .5 - qt_TexCoord0.x); + + lowp float L = length(uv); + lowp float f = 1.; + + f = smoothstep(L - .01, L, .4615); + f -= smoothstep(L,L + 0.01, .444); + + lowp float angle = -atan(uv.y,uv.x); + + lowp float fspeed = f * mix((1. - step(bCRadSpeed, angle)) * step(fCRadSpeed, angle), + (1. - step(fCRadSpeed, angle)) * step(bCRadSpeed, angle), + _acceleratingSpeed); + + if (fspeed > .0) { + gl_FragColor = mix(c,shaderColorSpeed,fspeed); + return; + } + + lowp float ffuel = f * mix((1. - step(bCRadFuel, angle)) * step(fCRadFuel, angle), + (1. - step(fCRadFuel, angle)) * step(bCRadFuel, angle), + _acceleratingFuel); + + if (ffuel > .0) { + gl_FragColor = mix(c, shaderColorFuel, ffuel); + return; + } + + gl_FragColor = c; + } + " + } + + Text { + id: topText + anchors.horizontalCenter: parent.horizontalCenter + anchors.bottom: parent.verticalCenter + font.pixelSize: Functions.toPixels(0.3, speedgauge.outerRadius) + color: "white" + text: speedgauge.value.toFixed() + } + + Text { + id: kmText + text: "km/h" + color: "white" + font.pixelSize: Functions.toPixels(0.09, speedgauge.outerRadius) + anchors.top: topText.bottom + anchors.horizontalCenter: parent.horizontalCenter + } + + Image { + id: tyreLight + anchors.right: parkingLight.left + anchors.bottom: parkingLight.bottom + anchors.bottomMargin: 18 + source: ValueSource.flatTire ? "image://etc/Icon_TyreMalfunction_ON.png" + : "image://etc/Icon_TyreMalfunction_OFF.png" + } + + Image { + id: parkingLight + anchors.horizontalCenter: parent.horizontalCenter + anchors.top: kmText.bottom + anchors.topMargin: 20 + + source: ValueSource.parkingBrake ? "image://etc/Icon_ParkingBrake_ON.png" + : "image://etc/Icon_ParkingBrake_OFF.png" + } + + Image { + id: fuelLight + anchors.left: parkingLight.right + anchors.bottom: parkingLight.bottom + anchors.bottomMargin: 18 + source: (ValueSource.fuelLevel <= 15) ? "image://etc/Icon_Fuel_ON.png" + : "image://etc/Icon_Fuel_OFF.png" + } +} |