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Viewing changes to external/xwt/Xwt/Xwt.Drawing/Image.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/Xwt/Xwt.Drawing/Image.cs
 
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// 
 
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// Image.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.Backends;
 
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using Xwt.Engine;
 
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using System.Reflection;
 
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using System.IO;
 
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namespace Xwt.Drawing
 
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{
 
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        public sealed class Image: XwtObject, IDisposable
 
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        {
 
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                static ImageBackendHandler handler;
 
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                static Image ()
 
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                {
 
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                        handler = WidgetRegistry.CreateSharedBackend<ImageBackendHandler> (typeof(Image));
 
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                }
 
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                protected override IBackendHandler BackendHandler {
 
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                        get {
 
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                                return handler;
 
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                        }
 
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                }
 
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                internal Image (object backend): base (backend)
 
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                {
 
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                }
 
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                public Image (Image image): base (handler.Copy (image.Backend))
 
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                {
 
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                }
 
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                public static Image FromResource (Type type, string resource)
 
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                {
 
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                        var img = handler.LoadFromResource (type.Assembly, resource);
 
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                        if (img == null)
 
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                                throw new InvalidOperationException ("Resource not found: " + resource);
 
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                        return new Image (img);
 
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                }
 
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                public static Image FromResource (Assembly asm, string resource)
 
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                {
 
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                        var img = handler.LoadFromResource (asm, resource);
 
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                        if (img == null)
 
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                                throw new InvalidOperationException ("Resource not found: " + resource);
 
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                        return new Image (img);
 
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                }
 
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                public static Image FromFile (string file)
 
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                {
 
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                        return new Image (handler.LoadFromFile (file));
 
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                }
 
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                public static Image FromStream (Stream stream)
 
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                {
 
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                        return new Image (handler.LoadFromStream (stream));
 
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                }
 
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                public static Image FromIcon (string id, IconSize size)
 
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                {
 
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                        return new Image (handler.LoadFromIcon (id, size));
 
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                }
 
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                public Size Size {
 
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                        get { return handler.GetSize (Backend); }
 
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                }
 
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                public void SetPixel (int x, int y, Color color)
 
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                {
 
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                        handler.SetPixel (Backend, x, y, color);
 
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                }
 
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                public Color GetPixel (int x, int y)
 
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                {
 
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                        return handler.GetPixel (Backend, x, y);
 
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                }
 
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                public Image Scale (double scale)
 
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                {
 
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                        double w = Size.Width * scale;
 
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                        double h = Size.Height * scale;
 
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                        return new Image (handler.Resize (Backend, w, h));
 
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                }
 
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                public Image Scale (double scaleX, double scaleY)
 
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                {
 
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                        double w = Size.Width * scaleX;
 
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                        double h = Size.Height * scaleY;
 
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                        return new Image (handler.Resize (Backend, w, h));
 
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                }
 
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                public Image Resize (double width, double height)
 
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                {
 
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                        return new Image (handler.Resize (Backend, width, height));
 
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                }
 
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                public Image ResizeToFitBox (double width, double height)
 
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                {
 
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                        double r = Math.Min (width / Size.Width, height / Size.Height);
 
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                        return new Image (handler.Resize (Backend, Size.Width * r, Size.Height * r));
 
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                }
 
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                public Image ToGrayscale ()
 
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                {
 
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                        throw new NotImplementedException ();
 
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                }
 
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                public Image ChangeOpacity (double opacity)
 
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                {
 
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                        return new Image (handler.ChangeOpacity (Backend, opacity));
 
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                }
 
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                public void CopyArea (int srcX, int srcY, int width, int height, Image dest, int destX, int destY)
 
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                {
 
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                        handler.CopyArea (Backend, srcX, srcY, width, height, dest.Backend, destX, destY);
 
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                }
 
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                public Image Crop (int srcX, int srcY, int width, int height)
 
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                {
 
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                        return new Image (handler.Crop (Backend, srcX, srcY, width, height));
 
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                }
 
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                public void Dispose ()
 
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                {
 
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                        handler.Dispose (Backend);
 
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                }
 
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        }
 
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}
 
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