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/****************************************************************************
**
** 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"
}
}
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