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Qt Quick Ultralite汽车集群演示
/****************************************************************************** ** ** Copyright (C) 2020 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the Qt Quick Ultralite module. ** ** $QT_BEGIN_LICENSE:COMM$ ** ** 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 http://www.qt.io/terms-conditions. For further ** information use the contact form at http://www.qt.io/contact-us. ** ** $QT_END_LICENSE$ ** ******************************************************************************/import QtQuick 2.15 import Automotive 1.0 BaseGauge { id: root; property alias textLabel: label.text; property alias valueText: textValue.text; property double labelOpacity: 1 property int labelHorizontalCenterOffset: 0 property int labelVerticalOffset: 0 property int valueVerticalCenterOffset: -7 property int valueHorizontalCenterOffset: 0 needleOffsetX: -1 needleOffsetY: -38 highlightOffsetX: 1 highlightOffsetY: -22 gaugeSource: "images/gauge-gauge-frame-sport-center.png" needleSource: sportNeedle highlightSource: sportHighlight Repeater { model: 11; delegate: Text { visible: index <= Math.ceil(maxValue / interval); // Ideally, the model would be dinamic and this not needed property real angle: minAngle + 2 * Math.PI * index * interval / maxValue * (maxAngle - minAngle) / 360; x: (root.width - width) / 2 + (root.left ? -1 : 1) * Math.sin(angle) * root.scale * 135; y: (root.height - height) / 2 + Math.cos(angle) * root.scale * 135; text: index * interval; color: Style.lightPeriwinkle; font.pixelSize: 12; font.bold: false; font.family: "Sarabun"; opacity: { var distance = Math.abs(animatedValue/interval - index); var alphaResult = 1.5 - (distance / 1.25); return Math.min(Math.max(alphaResult, 0), 1); } Behavior on opacity { NumberAnimation { duration: 150; } } } } Text { id: textValue anchors.centerIn: parent anchors.verticalCenterOffset: valueVerticalCenterOffset * root.scale anchors.horizontalCenterOffset: valueHorizontalCenterOffset opacity: labelOpacity horizontalAlignment: Text.AlignHCenter text: value.toFixed(0); color: Style.lightPeriwinkle; font.pixelSize: 64; font.bold: true; font.family: "Sarabun"; Behavior on opacity { NumberAnimation { duration: 250 } } } Text { id: label horizontalAlignment: Text.AlignHCenter anchors.horizontalCenter: parent.horizontalCenter anchors.horizontalCenterOffset: labelHorizontalCenterOffset anchors.topMargin: labelVerticalOffset anchors.top: textValue.bottom; opacity: labelOpacity color: Style.lightPeriwinkle; font.pixelSize: 16; font.bold: false; font.family: "Sarabun"; } }