1 files changed, 229 insertions, 0 deletions

diff --git a/OpenSim/Region/CoreModules/Scripting/LoadImageURL/LoadImageURLModule.cs b/OpenSim/Region/CoreModules/Scripting/LoadImageURL/LoadImageURLModule.cs
new file mode 100644
index 0000000..afcaff1
--- /dev/null
+++ b/OpenSim/Region/CoreModules/Scripting/LoadImageURL/LoadImageURLModule.cs
@@ -0,0 +1,229 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * 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 the OpenSim Project 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 DEVELOPERS ``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 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.
+ */
+
+using System;
+using System.Drawing;
+using System.IO;
+using System.Net;
+using OpenMetaverse;
+using OpenMetaverse.Imaging;
+using Nini.Config;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+
+namespace OpenSim.Region.CoreModules.Scripting.LoadImageURL
+{
+    public class LoadImageURLModule : IRegionModule, IDynamicTextureRender
+    {
+        private string m_name = "LoadImageURL";
+        private Scene m_scene;
+        private IDynamicTextureManager m_textureManager;
+
+        private string m_proxyurl = "";
+        private string m_proxyexcepts = "";
+
+        #region IDynamicTextureRender Members
+
+        public string GetName()
+        {
+            return m_name;
+        }
+
+        public string GetContentType()
+        {
+            return ("image");
+        }
+
+        public bool SupportsAsynchronous()
+        {
+            return true;
+        }
+
+        public byte[] ConvertUrl(string url, string extraParams)
+        {
+            return null;
+        }
+
+        public byte[] ConvertStream(Stream data, string extraParams)
+        {
+            return null;
+        }
+
+        public bool AsyncConvertUrl(UUID id, string url, string extraParams)
+        {
+            MakeHttpRequest(url, id);
+            return true;
+        }
+
+        public bool AsyncConvertData(UUID id, string bodyData, string extraParams)
+        {
+            return false;
+        }
+
+        #endregion
+
+        #region IRegionModule Members
+
+        public void Initialise(Scene scene, IConfigSource config)
+        {
+            if (m_scene == null)
+            {
+                m_scene = scene;
+            }
+            
+            m_proxyurl = config.Configs["Startup"].GetString("HttpProxy");
+            m_proxyexcepts = config.Configs["Startup"].GetString("HttpProxyExceptions");
+        }
+
+        public void PostInitialise()
+        {
+            m_textureManager = m_scene.RequestModuleInterface<IDynamicTextureManager>();
+            if (m_textureManager != null)
+            {
+                m_textureManager.RegisterRender(GetContentType(), this);
+            }
+        }
+
+        public void Close()
+        {
+        }
+
+        public string Name
+        {
+            get { return m_name; }
+        }
+
+        public bool IsSharedModule
+        {
+            get { return true; }
+        }
+
+        #endregion
+
+        private void MakeHttpRequest(string url, UUID requestID)
+        {
+            WebRequest request = HttpWebRequest.Create(url);
+            
+            if (m_proxyurl != null && m_proxyurl.Length > 0) 
+            {
+                if (m_proxyexcepts != null && m_proxyexcepts.Length > 0) 
+                {
+                    string[] elist = m_proxyexcepts.Split(';');
+                    request.Proxy = new WebProxy(m_proxyurl, true, elist);
+                } 
+                else 
+                {
+                    request.Proxy = new WebProxy(m_proxyurl, true);
+                }
+            }
+
+            RequestState state = new RequestState((HttpWebRequest) request, requestID);
+            // IAsyncResult result = request.BeginGetResponse(new AsyncCallback(HttpRequestReturn), state);
+            request.BeginGetResponse(new AsyncCallback(HttpRequestReturn), state);
+
+            TimeSpan t = (DateTime.UtcNow - new DateTime(1970, 1, 1));
+            state.TimeOfRequest = (int) t.TotalSeconds;
+        }
+
+        private void HttpRequestReturn(IAsyncResult result)
+        {
+            RequestState state = (RequestState) result.AsyncState;
+            WebRequest request = (WebRequest) state.Request;
+            try
+            {
+                HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(result);
+                if (response.StatusCode == HttpStatusCode.OK)
+                {
+                    Bitmap image = new Bitmap(response.GetResponseStream());
+                    Size newsize;
+
+                    // TODO: make this a bit less hard coded
+                    if ((image.Height < 64) && (image.Width < 64))
+                    {
+                        newsize = new Size(32, 32);
+                    }
+                    else if ((image.Height < 128) && (image.Width < 128))
+                    {
+                        newsize = new Size(64, 64);
+                    }
+                    else if ((image.Height < 256) && (image.Width < 256))
+                    {
+                        newsize = new Size(128, 128);
+                    }
+                    else if ((image.Height < 512 && image.Width < 512))
+                    {
+                        newsize = new Size(256, 256);
+                    }
+                    else if ((image.Height < 1024 && image.Width < 1024))
+                    {
+                        newsize = new Size(512, 512);
+                    }
+                    else
+                    {
+                        newsize = new Size(1024, 1024);
+                    }
+
+                    Bitmap resize = new Bitmap(image, newsize);
+                    byte[] imageJ2000 = new byte[0];
+                    
+                    try
+                    {
+                        imageJ2000 = OpenJPEG.EncodeFromImage(resize, true);
+                    } 
+                    catch (Exception)
+                    {
+                        Console.WriteLine(
+                            "[LOADIMAGEURLMODULE]: OpenJpeg Encode Failed.  Empty byte data returned!");
+                    }
+
+                    m_textureManager.ReturnData(state.RequestID, imageJ2000);
+                }
+            }
+            catch (WebException)
+            {
+                
+            }
+        }
+
+        #region Nested type: RequestState
+
+        public class RequestState
+        {
+            public HttpWebRequest Request = null;
+            public UUID RequestID = UUID.Zero;
+            public int TimeOfRequest = 0;
+
+            public RequestState(HttpWebRequest request, UUID requestID)
+            {
+                Request = request;
+                RequestID = requestID;
+            }
+        }
+
+        #endregion
+    }
+}