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Viewing changes to external/xwt/Samples/Samples/CanvasWithWidget.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/xwt/Samples/Samples/CanvasWithWidget.cs
 
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// 
 
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// CanvasWithWidget.cs
 
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//  
 
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// Author:
 
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//       Lluis Sanchez <lluis@xamarin.com>
 
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// 
 
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// Copyright (c) 2011 Xamarin Inc
 
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// 
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy
 
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// of this software and associated documentation files (the "Software"), to deal
 
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// in the Software without restriction, including without limitation the rights
 
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 
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// copies of the Software, and to permit persons to whom the Software is
 
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// furnished to do so, subject to the following conditions:
 
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// 
 
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// The above copyright notice and this permission notice shall be included in
 
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// all copies or substantial portions of the Software.
 
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// 
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 
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// THE SOFTWARE.
 
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using System;
 
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using Xwt;
 
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using Xwt.Drawing;
 
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namespace Samples
 
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{
 
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        public class CanvasWithWidget_Linear: VBox
 
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        {
 
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                public CanvasWithWidget_Linear ()
 
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                {
 
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                        MyCanvas c = new MyCanvas (true);
 
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                        PackStart (c, BoxMode.FillAndExpand);
 
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                }
 
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        }
 
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        public class CanvasWithWidget_Radial : VBox
 
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        {
 
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                public CanvasWithWidget_Radial ()
 
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                {
 
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                        MyCanvas c = new MyCanvas (false);
 
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                        PackStart (c, BoxMode.FillAndExpand);
 
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                }
 
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        }
 
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        class MyCanvas: Canvas
 
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        {
 
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                Rectangle rect = new Rectangle (30, 30, 100, 30);
 
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                bool Linear {
 
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                        get; set;
 
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                }
 
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                public MyCanvas (bool linear)
 
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                {
 
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                        var entry = new TextEntry () { ShowFrame = false };
 
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                        AddChild (entry, rect);
 
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                        var box = new HBox ();
 
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                        box.PackStart (new Button ("..."));
 
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                        box.PackStart (new TextEntry (), BoxMode.FillAndExpand);
 
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                        AddChild (box, new Rectangle (30, 70, 100, 30));
 
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                        Linear = linear;
 
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                }
 
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                protected override void OnDraw (Xwt.Drawing.Context ctx, Rectangle dirtyRect)
 
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                {
 
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                        if (Bounds.IsEmpty)
 
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                                return;
 
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                        ctx.Rectangle (0, 0, Bounds.Width, Bounds.Height);
 
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                        Gradient g = null;
 
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                        if (Linear)
 
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                                g = new LinearGradient (0, 0, Bounds.Width, Bounds.Height);
 
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                        else
 
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                                g = new RadialGradient (Bounds.Width / 2, Bounds.Height / 2, Bounds.Width / 2, Bounds.Width / 2, Bounds.Height / 2, Bounds.Width / 4); 
 
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                        g.AddColorStop (0, new Color (1, 0, 0));
 
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                        g.AddColorStop (1, new Color (0, 1, 0));
 
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                        ctx.Pattern = g;
 
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                        ctx.Fill ();
 
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                        Rectangle r = rect.Inflate (5, 5);
 
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                        ctx.Rectangle (r);
 
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                        ctx.SetColor (new Color (0,0,1));
 
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                        ctx.SetLineWidth (1);
 
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                        ctx.Stroke ();
 
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                }
 
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        }
 
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}
 
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