Ported the plugin to WP8

Author: Alex Petuschak

src/wp8/Canvas2ImagePlugin.cs

@@ -0,0 +1,49 @@
+using Microsoft.Xna.Framework.Media;
+using System;
+using System.IO;
+using System.Text;
+using WPCordovaClassLib.Cordova;
+using WPCordovaClassLib.Cordova.Commands;
+using WPCordovaClassLib.Cordova.JSON;
+
+public class Canvas2ImagePlugin : BaseCommand
+{
+    public Canvas2ImagePlugin()
+	{
+	}
+
+    public void saveImageDataToLibrary(string jsonArgs)
+    {
+        try
+        {
+            var options = JsonHelper.Deserialize<string[]>(jsonArgs);
+
+            string imageData = options[0];
+            byte[] imageBytes = Convert.FromBase64String(imageData);
+
+            using (var imageStream = new MemoryStream(imageBytes))
+            {
+                imageStream.Seek(0, SeekOrigin.Begin);
+
+                string fileName = String.Format("c2i_{0:yyyyMMdd_HHmmss}", DateTime.Now);
+                var library = new MediaLibrary();
+                var picture = library.SavePicture(fileName, imageStream);
+
+                if (picture.Name.Contains(fileName))
+                {
+                    DispatchCommandResult(new PluginResult(PluginResult.Status.OK, 
+                        "Image saved: " + picture.Name));
+                }
+                else
+                {
+                    DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, 
+                        "Failed to save image: " + picture.Name));
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, ex.Message));
+        }
+    }
+}