134 lines
5.4 KiB
QML
134 lines
5.4 KiB
QML
/****************************************************************************
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**
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** Copyright (C) 2021 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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import QtQuick
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import QtQuick.Controls
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import "../"
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Item {
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id:container
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width: 320
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height: 480
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Column {
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spacing: 6
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anchors.fill: parent
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anchors.topMargin: 12
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Label {
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font.pointSize: 24
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font.bold: true
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text: "Rounded rectangle"
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anchors.horizontalCenter: parent.horizontalCenter
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color: "#777"
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}
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Canvas {
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id: canvas
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width: 320
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height: 280
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antialiasing: true
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property int radius: rCtrl.value
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property int rectx: 60
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property int recty: 60
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property int rectWidth: width - 2*rectx
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property int rectHeight: height - 2*recty
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property color strokeStyle: Qt.darker(fillStyle, 1.4)
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property color fillStyle: "#ae32a0" // purple
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property int lineWidth: lineWidthCtrl.value
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property bool fill: true
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property bool stroke: true
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property real alpha: 1.0
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onLineWidthChanged:requestPaint();
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onFillChanged:requestPaint();
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onStrokeChanged:requestPaint();
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onRadiusChanged:requestPaint();
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onPaint: {
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var ctx = getContext("2d");
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ctx.save();
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ctx.clearRect(0,0,canvas.width, canvas.height);
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ctx.strokeStyle = canvas.strokeStyle;
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ctx.lineWidth = canvas.lineWidth
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ctx.fillStyle = canvas.fillStyle
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ctx.globalAlpha = canvas.alpha
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ctx.beginPath();
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ctx.moveTo(rectx+radius,recty); // top side
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ctx.lineTo(rectx+rectWidth-radius,recty);
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// draw top right corner
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ctx.arcTo(rectx+rectWidth,recty,rectx+rectWidth,recty+radius,radius);
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ctx.lineTo(rectx+rectWidth,recty+rectHeight-radius); // right side
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// draw bottom right corner
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ctx.arcTo(rectx+rectWidth,recty+rectHeight,rectx+rectWidth-radius,recty+rectHeight,radius);
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ctx.lineTo(rectx+radius,recty+rectHeight); // bottom side
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// draw bottom left corner
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ctx.arcTo(rectx,recty+rectHeight,rectx,recty+rectHeight-radius,radius);
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ctx.lineTo(rectx,recty+radius); // left side
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// draw top left corner
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ctx.arcTo(rectx,recty,rectx+radius,recty,radius);
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ctx.closePath();
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if (canvas.fill)
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ctx.fill();
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if (canvas.stroke)
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ctx.stroke();
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ctx.restore();
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}
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}
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}
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Column {
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anchors.bottom: parent.bottom
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anchors.bottomMargin: 12
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LabeledSlider {id: lineWidthCtrl ; min: 1 ; max: 10; init: 2 ; name: "Outline"; width: container.width}
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LabeledSlider {id: rCtrl ; min: 10 ; max: 80 ; init: 40 ; name: "Radius"; width: container.width}
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}
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}
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