130 lines
4.9 KiB
QML
130 lines
4.9 KiB
QML
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://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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** You may use this file under the terms of the BSD license 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 2.0
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import "../contents"
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import "../../shared"
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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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Text {
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font.pointSize: 24
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font.bold: true
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text: "Smile with arcs"
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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: parent.height - controls.height
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antialiasing: true
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property color strokeStyle: Qt.darker(fillStyle, 1.6)
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property color fillStyle: "#e0c31e" // yellow
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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 scale : scaleCtrl.value
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property real rotate : rotateCtrl.value
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onLineWidthChanged:requestPaint();
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onFillChanged:requestPaint();
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onStrokeChanged:requestPaint();
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onScaleChanged:requestPaint();
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onRotateChanged:requestPaint();
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onPaint: {
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var ctx = canvas.getContext('2d');
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var originX = 85
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var originY = 75
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ctx.save();
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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ctx.translate(originX, originX);
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ctx.globalAlpha = canvas.alpha;
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ctx.strokeStyle = canvas.strokeStyle;
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ctx.fillStyle = canvas.fillStyle;
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ctx.lineWidth = canvas.lineWidth;
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ctx.translate(originX, originY)
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ctx.scale(canvas.scale, canvas.scale);
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ctx.rotate(canvas.rotate);
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ctx.translate(-originX, -originY)
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ctx.beginPath();
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ctx.moveTo(75 + 50 * Math.cos(0),
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75 - 50 * Math.sin(Math.PI*2));
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ctx.arc(75,75,50,0,Math.PI*2,true); // Outer circle
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ctx.moveTo(60,60);
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ctx.arc(60,60,5,0,Math.PI*2,true); // Left eye
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ctx.moveTo(90 + 5 * Math.cos(0),
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65 - 5 * Math.sin(Math.PI*2));
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ctx.moveTo(90,60);
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ctx.arc(90,60,5,-Math.PI,Math.PI*3,false); // Right eye
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ctx.moveTo(75,70);
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ctx.arc(75,70,35,0,Math.PI,false); // Mouth (clockwise)
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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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id: controls
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anchors.bottom: parent.bottom
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anchors.bottomMargin: 12
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Slider {id: lineWidthCtrl ; min: 1 ; max: 10 ; init: 2 ; name: "Outline"}
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Slider {id: scaleCtrl ; min: 0.1 ; max: 10 ; init: 1 ; name: "Scale"}
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Slider {id: rotateCtrl ; min: 0 ; max: Math.PI*2 ; init: 0 ; name: "Rotate"}
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}
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}
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