/*
* 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 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)
{
// TODO: this is a brutal hack. extraParams should actually be parsed reasonably.
int size = 256;
try {
size = Convert.ToInt32(extraParams);
} catch (Exception e) {
//Ckrinke: Add a WriteLine to remove the warning about 'e' defined but not used
Console.WriteLine("Problem with Draw. Please verify parameters." + e.ToString());
}
if ((size < 128) || (size > 1024))
size = 256;
Bitmap bitmap = new Bitmap(size, size, 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, size, size);
}
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();
//replace with switch, or even better, do some proper parsing
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;
}
else if (nextLine.StartsWith("PenColour"))
{
nextLine = nextLine.Remove(0, 9);
nextLine = nextLine.Trim();
Color newColour = Color.FromName(nextLine);
myBrush.Color = newColour;
drawPen.Color = newColour;
}
}
}
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);
//Ckrinke: Comment out for now as 'str' is unused. Bring it back into play later when it is used.
//Ckrinke 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;
}
}
}