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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module 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
Item {
id: fpsDisplayControl
property bool hidden: true
property real fps: 0.0
onHiddenChanged: {
if (fpsDisplayControl.hidden)
fpsDisplay.color = "transparent"
else
fpsDisplay.color = "#000000FF"
}
onFpsChanged: {
fpsDisplay.updateFps()
}
Rectangle {
anchors.fill: parent
id: fpsDisplay
color: "transparent"
property real maxFps: 60.0
property color maxFpsColor: "#5500FF00"
property color minFpsColor: "#55FF0000"
function updateFps() {
var scale = (fps > maxFps)?1.0:(fps/maxFps)
var r = (1 - scale) * minFpsColor.r + scale * maxFpsColor.r
var g = (1 - scale) * minFpsColor.g + scale * maxFpsColor.g
var b = (1 - scale) * minFpsColor.b + scale * maxFpsColor.b
var a = (1 - scale) * minFpsColor.a + scale * maxFpsColor.a
fpsCauge.height = scale * fpsDisplay.height
fpsCauge.color = Qt.rgba(r, g, b, a)
}
Rectangle {
id: fpsCauge
width: parent.width
anchors.bottom: parent.bottom
visible: !fpsDisplayControl.hidden
}
Text {
id: fpsText
text: ""+(fps | 0)
font.family: "Helvetica"
font.pixelSize: 16
font.weight: Font.Light
color: "white"
anchors.fill: parent
verticalAlignment: Text.AlignVCenter
horizontalAlignment: Text.AlignHCenter
visible: !fpsDisplayControl.hidden
}
}
MouseArea {
anchors.fill: parent
onClicked: {
fpsDisplayControl.hidden = !fpsDisplayControl.hidden
}
}
}
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