1 files changed, 308 insertions, 0 deletions

diff --git a/OpenSim/Region/Environment/Modules/VectorRenderModule.cs b/OpenSim/Region/Environment/Modules/VectorRenderModule.cs
new file mode 100644
index 0000000..d033170
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/VectorRenderModule.cs
@@ -0,0 +1,308 @@
+
+using System;
+using System.Drawing;
+using System.IO;
+using System.Net;
+using System.Globalization;
+using libsecondlife;
+using Nini.Config;
+using OpenJPEGNet;
+using OpenSim.Framework;
+using OpenSim.Region.Environment.Interfaces;
+using OpenSim.Region.Environment.Scenes;
+//using Cairo;
+
+namespace OpenSim.Region.Environment.Modules
+{
+    public class VectorRenderModule : IRegionModule, IDynamicTextureRender
+    {
+        private Scene m_scene;
+        private string m_name = "VectorRenderModule";
+        private IDynamicTextureManager m_textureManager;
+
+        public VectorRenderModule()
+        {
+        }
+
+        public void Initialise(Scene scene, IConfigSource config)
+        {
+            if (m_scene == null)
+            {
+                m_scene = scene;
+            }
+        }
+
+        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; }
+        }
+
+        private void Draw(string data, LLUUID id, string extraParams)
+        {
+            Bitmap bitmap = new Bitmap(256, 256, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
+
+            System.Drawing.Graphics graph = System.Drawing.Graphics.FromImage(bitmap);
+
+            extraParams = extraParams.ToLower();
+            int alpha = 255;
+            if (extraParams == "setalpha")
+            {
+                alpha = 0;
+            }
+            else
+            {
+                graph.FillRectangle(new SolidBrush(Color.White), 0, 0, 256, 256);
+            }
+
+            for (int w = 0; w < bitmap.Width; w++)
+            {
+                for (int h = 0; h < bitmap.Height; h++)
+                {
+                    bitmap.SetPixel(w, h, Color.FromArgb(alpha, bitmap.GetPixel(w, h)));
+                }
+            }
+
+           
+
+            GDIDraw(data, graph);
+
+            byte[] imageJ2000 = OpenJPEG.EncodeFromImage(bitmap, true);
+            m_textureManager.ReturnData(id, imageJ2000);
+
+        }
+
+        /* private void CairoDraw(string data, System.Drawing.Graphics graph)
+         {
+             using (Win32Surface draw = new Win32Surface(graph.GetHdc()))
+             {
+                 Context contex = new Context(draw);
+
+                 contex.Antialias = Antialias.None;     //fastest method but low quality
+                 contex.LineWidth = 7;
+                 char[] lineDelimiter = { ';' };
+                 char[] partsDelimiter = { ',' };
+                 string[] lines = data.Split(lineDelimiter);
+
+                 foreach (string line in lines)
+                 {
+                     string nextLine = line.Trim();
+
+                     if (nextLine.StartsWith("MoveTO"))
+                     {
+                         float x = 0;
+                         float y = 0;
+                         GetParams(partsDelimiter, ref nextLine, ref x, ref y);
+                         contex.MoveTo(x, y);
+                     }
+                     else if (nextLine.StartsWith("LineTo"))
+                     {
+                         float x = 0;
+                         float y = 0;
+                         GetParams(partsDelimiter, ref nextLine, ref x, ref y);
+                         contex.LineTo(x, y);
+                         contex.Stroke();
+                     }
+                 }
+             }
+             graph.ReleaseHdc();
+         }*/
+
+        private void GDIDraw(string data, System.Drawing.Graphics graph)
+        {
+            System.Drawing.Point startPoint = new System.Drawing.Point(0, 0);
+            System.Drawing.Point endPoint = new System.Drawing.Point(0, 0);
+            System.Drawing.Pen drawPen = new Pen(System.Drawing.Color.Black, 7);
+            Font myFont = new Font("Times New Roman", 14);
+            SolidBrush myBrush = new SolidBrush(Color.Black);
+            char[] lineDelimiter = { ';' };
+            char[] partsDelimiter = { ',' };
+            string[] lines = data.Split(lineDelimiter);
+
+             
+            foreach (string line in lines)
+            {
+                string nextLine = line.Trim();
+
+                if (nextLine.StartsWith("MoveTo"))
+                {
+                    float x = 0;
+                    float y = 0;
+                    GetParams(partsDelimiter, ref nextLine, 6, ref x, ref y);
+                    startPoint.X = (int)x;
+                    startPoint.Y = (int)y;
+                }
+                else if (nextLine.StartsWith("LineTo"))
+                {
+                    float x = 0;
+                    float y = 0;
+                    GetParams(partsDelimiter, ref nextLine, 6, ref x, ref y);
+                    endPoint.X = (int)x;
+                    endPoint.Y = (int)y;
+                    graph.DrawLine(drawPen, startPoint, endPoint);
+                    startPoint.X = endPoint.X;
+                    startPoint.Y = endPoint.Y;
+                }
+                else if (nextLine.StartsWith("Text"))
+                {
+                    nextLine = nextLine.Remove(0, 4);
+                    nextLine = nextLine.Trim();
+                    graph.DrawString(nextLine, myFont, myBrush, startPoint);
+                }
+                else if (nextLine.StartsWith("Image"))
+                {
+                    float x = 0;
+                    float y = 0;
+                    GetParams(partsDelimiter, ref nextLine, 5, ref x, ref y);
+                    endPoint.X = (int)x;
+                    endPoint.Y = (int)y;
+                    System.Drawing.Image image = ImageHttpRequest(nextLine);
+                    graph.DrawImage(image, (float)startPoint.X, (float)startPoint.Y, x, y);
+                    startPoint.X += endPoint.X;
+                    startPoint.Y += endPoint.Y;
+                }
+                else if (nextLine.StartsWith("Rectangle"))
+                {
+                    float x = 0;
+                    float y = 0;
+                    GetParams(partsDelimiter, ref nextLine, 9, ref x, ref y);
+                    endPoint.X = (int)x;
+                    endPoint.Y = (int)y;
+                    graph.DrawRectangle(drawPen, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
+                    startPoint.X += endPoint.X;
+                    startPoint.Y += endPoint.Y;
+                }
+                else if (nextLine.StartsWith("FillRectangle"))
+                {
+                    float x = 0;
+                    float y = 0;
+                    GetParams(partsDelimiter, ref nextLine, 13, ref x, ref y);
+                    endPoint.X = (int)x;
+                    endPoint.Y = (int)y;
+                    graph.FillRectangle(myBrush, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
+                    startPoint.X += endPoint.X;
+                    startPoint.Y += endPoint.Y;
+                }
+                else if (nextLine.StartsWith("Ellipse"))
+                {
+                    float x = 0;
+                    float y = 0;
+                    GetParams(partsDelimiter, ref nextLine, 7, ref x, ref y);
+                    endPoint.X = (int)x;
+                    endPoint.Y = (int)y;
+                    graph.DrawEllipse(drawPen, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y);
+                    startPoint.X += endPoint.X;
+                    startPoint.Y += endPoint.Y;
+                }
+                else if (nextLine.StartsWith("FontSize"))
+                {
+                    nextLine = nextLine.Remove(0, 8);
+                    nextLine = nextLine.Trim();
+                    float size = Convert.ToSingle(nextLine, CultureInfo.InvariantCulture);
+                    myFont = new Font("Times New Roman", size);
+                }
+                else if (nextLine.StartsWith("PenSize"))
+                {
+                    nextLine = nextLine.Remove(0, 8);
+                    nextLine = nextLine.Trim();
+                    float size = Convert.ToSingle(nextLine, CultureInfo.InvariantCulture);
+                    drawPen.Width = size;
+                }
+            }
+        }
+
+        private static void GetParams(char[] partsDelimiter, ref string line, int startLength, ref float x, ref float y)
+        {
+            line = line.Remove(0, startLength);
+            string[] parts = line.Split(partsDelimiter);
+            if (parts.Length == 2)
+            {
+                string xVal = parts[0].Trim();
+                string yVal = parts[1].Trim();
+                x = Convert.ToSingle(xVal, CultureInfo.InvariantCulture);
+                y = Convert.ToSingle(yVal, CultureInfo.InvariantCulture);
+            }
+            else if (parts.Length > 2)
+            {
+                string xVal = parts[0].Trim();
+                string yVal = parts[1].Trim();
+                x = Convert.ToSingle(xVal, CultureInfo.InvariantCulture);
+                y = Convert.ToSingle(yVal, CultureInfo.InvariantCulture);
+
+                line = "";
+                for (int i = 2; i < parts.Length; i++)
+                {
+                    line = line + parts[i].Trim();
+                    line = line + " ";
+                }
+            }
+        }
+
+        private Bitmap ImageHttpRequest(string url)
+        {
+            WebRequest request = HttpWebRequest.Create(url);
+            Stream str = null;
+            HttpWebResponse response = (HttpWebResponse)(request).GetResponse();
+            if (response.StatusCode == HttpStatusCode.OK)
+            {
+                Bitmap image = new Bitmap(response.GetResponseStream());
+                return image;
+            }
+
+            return null;
+        }
+
+        public string GetContentType()
+        {
+            return ("vector");
+        }
+
+        public string GetName()
+        {
+            return m_name;
+        }
+
+        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(LLUUID id, string url, string extraParams)
+        {
+            return false;
+        }
+
+        public bool AsyncConvertData(LLUUID id, string bodyData, string extraParams)
+        {
+            Draw(bodyData, id, extraParams);
+            return true;
+        }
+    }
+}
\ No newline at end of file