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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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 Nokia Corporation 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"
Item {
id:container
width:360
height:600
Column {
spacing:5
anchors.fill:parent
Text { font.pointSize:25; text:"Rounded rectangle"; anchors.horizontalCenter:parent.horizontalCenter}
Canvas {
id:canvas
width:360
height:360
smooth:true
renderTarget:Canvas.Image
renderStrategy: Canvas.Immediate
property int radius: rCtrl.value
property int rectx: rxCtrl.value
property int recty: ryCtrl.value
property int rectWidth: width - 2*rectx
property int rectHeight: height - 2*recty
property string strokeStyle:"blue"
property string fillStyle:"steelblue"
property int lineWidth:lineWidthCtrl.value
property bool fill:true
property bool stroke:true
property real alpha:alphaCtrl.value
onLineWidthChanged:requestPaint();
onFillChanged:requestPaint();
onStrokeChanged:requestPaint();
onRadiusChanged:requestPaint();
onRectxChanged:requestPaint();
onRectyChanged:requestPaint();
onAlphaChanged:requestPaint();
onPaint: {
var ctx = getContext("2d");
ctx.save();
ctx.clearRect(0,0,canvas.width, canvas.height);
ctx.strokeStyle = canvas.strokeStyle;
ctx.lineWidth = canvas.lineWidth
ctx.fillStyle = canvas.fillStyle
ctx.globalAlpha = canvas.alpha
ctx.beginPath();
ctx.moveTo(rectx+radius,recty); // top side
ctx.lineTo(rectx+rectWidth-radius,recty);
// draw top right corner
ctx.arcTo(rectx+rectWidth,recty,rectx+rectWidth,recty+radius,radius);
ctx.lineTo(rectx+rectWidth,recty+rectHeight-radius); // right side
// draw bottom right corner
ctx.arcTo(rectx+rectWidth,recty+rectHeight,rectx+rectWidth-radius,recty+rectHeight,radius);
ctx.lineTo(rectx+radius,recty+rectHeight); // bottom side
// draw bottom left corner
ctx.arcTo(rectx,recty+rectHeight,rectx,recty+rectHeight-radius,radius);
ctx.lineTo(rectx,recty+radius); // left side
// draw top left corner
ctx.arcTo(rectx,recty,rectx+radius,recty,radius);
ctx.closePath();
if (canvas.fill)
ctx.fill();
if (canvas.stroke)
ctx.stroke();
ctx.restore();
}
}
Rectangle {
id:controls
width:360
height:160
Column {
spacing:3
Slider {id:lineWidthCtrl; width:300; height:30; min:1; max:10; init:2; name:"Line width"}
Slider {id:rxCtrl; width:300; height:30; min:5; max:30; init:10; name:"rectx"}
Slider {id:ryCtrl; width:300; height:30; min:5; max:30; init:10; name:"recty"}
Slider {id:rCtrl; width:300; height:30; min:10; max:100; init:40; name:"Radius"}
Slider {id:alphaCtrl; width:300; height:30; min:0; max:1; init:1; name:"Alpha"}
}
}
}
}
|
