1 files changed, 124 insertions, 0 deletions
diff --git a/examples/qml/canvas/bezierCurve/bezierCurve.qml b/examples/qml/canvas/bezierCurve/bezierCurve.qml
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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:"Bezier Curve"; anchors.horizontalCenter:parent.horizontalCenter}
+
+    Canvas {
+      id:canvas
+      width:360
+      height:360
+      property string strokeStyle:"red"
+      property string fillStyle:"red"
+      property int lineWidth:lineWidthCtrl.value
+      property bool fill:true
+      property bool stroke:true
+      property real alpha:alphaCtrl.value
+      property real scaleX : scaleXCtrl.value
+      property real scaleY : scaleYCtrl.value
+      property real rotate : rotateCtrl.value
+      smooth:true
+      renderTarget:Canvas.Image
+      renderStrategy: Canvas.Immediate
+
+
+      Behavior on scaleX { SpringAnimation { spring: 2; damping: 0.2; loops:Animation.Infinite } }
+      Behavior on scaleY { SpringAnimation { spring: 2; damping: 0.2; loops:Animation.Infinite} }
+      Behavior on rotate { SpringAnimation { spring: 2; damping: 0.2; loops:Animation.Infinite} }
+
+    onLineWidthChanged:requestPaint();
+    onFillChanged:requestPaint();
+    onStrokeChanged:requestPaint();
+    onAlphaChanged:requestPaint();
+    onScaleXChanged:requestPaint();
+    onScaleYChanged:requestPaint();
+    onRotateChanged:requestPaint();
+
+    onPaint: {
+      var ctx = canvas.getContext('2d');
+      ctx.save();
+      ctx.clearRect(0, 0, canvas.width, canvas.height);
+      ctx.globalAlpha = canvas.alpha;
+      ctx.strokeStyle = canvas.strokeStyle;
+      ctx.fillStyle = canvas.fillStyle;
+      ctx.lineWidth = canvas.lineWidth;
+      ctx.scale(canvas.scaleX, canvas.scaleY);
+      ctx.rotate(canvas.rotate);
+      ctx.beginPath();
+      ctx.moveTo(75,40);
+      ctx.bezierCurveTo(75,37,70,25,50,25);
+      ctx.bezierCurveTo(20,25,20,62.5,20,62.5);
+      ctx.bezierCurveTo(20,80,40,102,75,120);
+      ctx.bezierCurveTo(110,102,130,80,130,62.5);
+      ctx.bezierCurveTo(130,62.5,130,25,100,25);
+      ctx.bezierCurveTo(85,25,75,37,75,40);
+      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:scaleXCtrl; width:300; height:30; min:0.1; max:10; init:1; name:"ScaleX"}
+          Slider {id:scaleYCtrl; width:300; height:30; min:0.1; max:10; init:1; name:"ScaleY"}
+          Slider {id:rotateCtrl; width:300; height:30; min:0; max:Math.PI*2; init:0; name:"Rotate"}
+          Slider {id:alphaCtrl; width:300; height:30; min:0; max:1; init:1; name:"Alpha"}
+        }
+    }
+  }
+}