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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 Digia Plc and its Subsidiary(-ies) 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 "../contents"
import "../../shared"
Item {
id: container
width: 320
height: 480
Column {
spacing: 6
anchors.fill: parent
anchors.topMargin: 12
Text {
font.pointSize: 24
font.bold: true
text: "Smile with arcs"
anchors.horizontalCenter: parent.horizontalCenter
color: "#777"
}
Canvas {
id: canvas
width: 320
height: parent.height - controls.height
antialiasing: true
property color strokeStyle: Qt.darker(fillStyle, 1.6)
property color fillStyle: "#e0c31e" // yellow
property int lineWidth: lineWidthCtrl.value
property bool fill: true
property bool stroke: true
property real scale : scaleCtrl.value
property real rotate : rotateCtrl.value
onLineWidthChanged:requestPaint();
onFillChanged:requestPaint();
onStrokeChanged:requestPaint();
onScaleChanged:requestPaint();
onRotateChanged:requestPaint();
onPaint: {
var ctx = canvas.getContext('2d');
var originX = 85
var originY = 75
ctx.save();
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.translate(originX, originX);
ctx.globalAlpha = canvas.alpha;
ctx.strokeStyle = canvas.strokeStyle;
ctx.fillStyle = canvas.fillStyle;
ctx.lineWidth = canvas.lineWidth;
ctx.translate(originX, originY)
ctx.scale(canvas.scale, canvas.scale);
ctx.rotate(canvas.rotate);
ctx.translate(-originX, -originY)
ctx.beginPath();
ctx.moveTo(75 + 50 * Math.cos(0),
75 - 50 * Math.sin(Math.PI*2));
ctx.arc(75,75,50,0,Math.PI*2,true); // Outer circle
ctx.moveTo(75,70);
ctx.arc(75,70,35,0,Math.PI,false); // Mouth (clockwise)
ctx.moveTo(60,65);
ctx.arc(60,65,5,0,Math.PI*2,true); // Left eye
ctx.moveTo(90 + 5 * Math.cos(0),
65 - 5 * Math.sin(Math.PI*2));
ctx.moveTo(90,65);
ctx.arc(90,65,5,0,Math.PI*2,true); // Right eye
ctx.closePath();
if (canvas.fill)
ctx.fill();
if (canvas.stroke)
ctx.stroke();
ctx.restore();
}
}
}
Column {
id: controls
anchors.bottom: parent.bottom
anchors.bottomMargin: 12
Slider {id: lineWidthCtrl ; min: 1 ; max: 10 ; init: 2 ; name: "Outline"}
Slider {id: scaleCtrl ; min: 0.1 ; max: 10 ; init: 1 ; name: "Scale"}
Slider {id: rotateCtrl ; min: 0 ; max: Math.PI*2 ; init: 0 ; name: "Rotate"}
}
}
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