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/*
* 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.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using Nini.Config;
using OpenMetaverse;
using OpenMetaverse.Imaging;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using log4net;
using System.Reflection;
namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
{
public class DynamicTextureModule : IRegionModule, IDynamicTextureManager
{
private Dictionary<UUID, Scene> RegisteredScenes = new Dictionary<UUID, Scene>();
private Dictionary<string, IDynamicTextureRender> RenderPlugins =
new Dictionary<string, IDynamicTextureRender>();
private Dictionary<UUID, DynamicTextureUpdater> Updaters = new Dictionary<UUID, DynamicTextureUpdater>();
#region IDynamicTextureManager Members
public void RegisterRender(string handleType, IDynamicTextureRender render)
{
if (!RenderPlugins.ContainsKey(handleType))
{
RenderPlugins.Add(handleType, render);
}
}
/// <summary>
/// Called by code which actually renders the dynamic texture to supply texture data.
/// </summary>
/// <param name="id"></param>
/// <param name="data"></param>
public void ReturnData(UUID id, byte[] data)
{
DynamicTextureUpdater updater = null;
lock (Updaters)
{
if (Updaters.ContainsKey(id))
{
updater = Updaters[id];
}
}
if (updater != null)
{
if (RegisteredScenes.ContainsKey(updater.SimUUID))
{
Scene scene = RegisteredScenes[updater.SimUUID];
updater.DataReceived(data, scene);
}
}
if (updater.UpdateTimer == 0)
{
lock (Updaters)
{
if (!Updaters.ContainsKey(updater.UpdaterID))
{
Updaters.Remove(updater.UpdaterID);
}
}
}
}
public UUID AddDynamicTextureURL(UUID simID, UUID primID, string contentType, string url,
string extraParams, int updateTimer)
{
return AddDynamicTextureURL(simID, primID, contentType, url, extraParams, updateTimer, false, 255);
}
public UUID AddDynamicTextureURL(UUID simID, UUID primID, string contentType, string url,
string extraParams, int updateTimer, bool SetBlending, byte AlphaValue)
{
if (RenderPlugins.ContainsKey(contentType))
{
//m_log.Debug("dynamic texture being created: " + url + " of type " + contentType);
DynamicTextureUpdater updater = new DynamicTextureUpdater();
updater.SimUUID = simID;
updater.PrimID = primID;
updater.ContentType = contentType;
updater.Url = url;
updater.UpdateTimer = updateTimer;
updater.UpdaterID = UUID.Random();
updater.Params = extraParams;
updater.BlendWithOldTexture = SetBlending;
updater.FrontAlpha = AlphaValue;
lock (Updaters)
{
if (!Updaters.ContainsKey(updater.UpdaterID))
{
Updaters.Add(updater.UpdaterID, updater);
}
}
RenderPlugins[contentType].AsyncConvertUrl(updater.UpdaterID, url, extraParams);
return updater.UpdaterID;
}
return UUID.Zero;
}
public UUID AddDynamicTextureData(UUID simID, UUID primID, string contentType, string data,
string extraParams, int updateTimer)
{
return AddDynamicTextureData(simID, primID, contentType, data, extraParams, updateTimer, false, 255);
}
public UUID AddDynamicTextureData(UUID simID, UUID primID, string contentType, string data,
string extraParams, int updateTimer, bool SetBlending, byte AlphaValue)
{
if (RenderPlugins.ContainsKey(contentType))
{
DynamicTextureUpdater updater = new DynamicTextureUpdater();
updater.SimUUID = simID;
updater.PrimID = primID;
updater.ContentType = contentType;
updater.BodyData = data;
updater.UpdateTimer = updateTimer;
updater.UpdaterID = UUID.Random();
updater.Params = extraParams;
updater.BlendWithOldTexture = SetBlending;
updater.FrontAlpha = AlphaValue;
lock (Updaters)
{
if (!Updaters.ContainsKey(updater.UpdaterID))
{
Updaters.Add(updater.UpdaterID, updater);
}
}
RenderPlugins[contentType].AsyncConvertData(updater.UpdaterID, data, extraParams);
return updater.UpdaterID;
}
return UUID.Zero;
}
public void GetDrawStringSize(string contentType, string text, string fontName, int fontSize,
out double xSize, out double ySize)
{
xSize = 0;
ySize = 0;
if (RenderPlugins.ContainsKey(contentType))
{
RenderPlugins[contentType].GetDrawStringSize(text, fontName, fontSize, out xSize, out ySize);
}
}
#endregion
#region IRegionModule Members
public void Initialise(Scene scene, IConfigSource config)
{
if (!RegisteredScenes.ContainsKey(scene.RegionInfo.RegionID))
{
RegisteredScenes.Add(scene.RegionInfo.RegionID, scene);
scene.RegisterModuleInterface<IDynamicTextureManager>(this);
}
}
public void PostInitialise()
{
}
public void Close()
{
}
public string Name
{
get { return "DynamicTextureModule"; }
}
public bool IsSharedModule
{
get { return true; }
}
#endregion
#region Nested type: DynamicTextureUpdater
public class DynamicTextureUpdater
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public bool BlendWithOldTexture = false;
public string BodyData;
public string ContentType;
public byte FrontAlpha = 255;
public UUID LastAssetID;
public string Params;
public UUID PrimID;
public bool SetNewFrontAlpha = false;
public UUID SimUUID;
public UUID UpdaterID;
public int UpdateTimer;
public string Url;
public DynamicTextureUpdater()
{
LastAssetID = UUID.Zero;
UpdateTimer = 0;
BodyData = null;
}
/// <summary>
/// Called once new texture data has been received for this updater.
/// </summary>
public void DataReceived(byte[] data, Scene scene)
{
SceneObjectPart part = scene.GetSceneObjectPart(PrimID);
byte[] assetData;
AssetBase oldAsset = null;
if (BlendWithOldTexture)
{
UUID lastTextureID = part.Shape.Textures.DefaultTexture.TextureID;
oldAsset = scene.CommsManager.AssetCache.GetAsset(lastTextureID, true);
if (oldAsset != null)
{
assetData = BlendTextures(data, oldAsset.Data, SetNewFrontAlpha, FrontAlpha);
}
else
{
assetData = new byte[data.Length];
Array.Copy(data, assetData, data.Length);
}
}
else
{
assetData = new byte[data.Length];
Array.Copy(data, assetData, data.Length);
}
// Create a new asset for user
AssetBase asset = new AssetBase();
asset.FullID = UUID.Random();
asset.Data = assetData;
asset.Name = "DynamicImage" + Util.RandomClass.Next(1, 10000);
asset.Type = 0;
asset.Description = "dynamic image";
asset.Local = false;
asset.Temporary = true;
scene.CommsManager.AssetCache.AddAsset(asset);
LastAssetID = asset.FullID;
IJ2KDecoder cacheLayerDecode = scene.RequestModuleInterface<IJ2KDecoder>();
if (cacheLayerDecode != null)
{
cacheLayerDecode.syncdecode(asset.FullID, asset.Data);
}
cacheLayerDecode = null;
// mostly keep the values from before
Primitive.TextureEntry tmptex = part.Shape.Textures;
// remove the old asset from the cache
UUID oldID = tmptex.DefaultTexture.TextureID;
tmptex.DefaultTexture.TextureID = asset.FullID;
// I'm pretty sure we always want to force this to true
// I'm pretty sure noone whats to set fullbright true if it wasn't true before.
// tmptex.DefaultTexture.Fullbright = true;
part.Shape.Textures = tmptex;
part.ScheduleFullUpdate();
scene.CommsManager.AssetCache.ExpireAsset(oldID);
}
private byte[] BlendTextures(byte[] frontImage, byte[] backImage, bool setNewAlpha, byte newAlpha)
{
ManagedImage managedImage;
Image image;
if (OpenJPEG.DecodeToImage(frontImage, out managedImage, out image))
{
Bitmap image1 = new Bitmap(image);
if (OpenJPEG.DecodeToImage(backImage, out managedImage, out image))
{
Bitmap image2 = new Bitmap(image);
if (setNewAlpha)
SetAlpha(ref image1, newAlpha);
Bitmap joint = MergeBitMaps(image1, image2);
byte[] result = new byte[0];
try
{
result = OpenJPEG.EncodeFromImage(joint, true);
}
catch (Exception)
{
m_log.Error("[DYNAMICTEXTUREMODULE]: OpenJpeg Encode Failed. Empty byte data returned!");
}
return result;
}
}
return null;
}
public Bitmap MergeBitMaps(Bitmap front, Bitmap back)
{
Bitmap joint;
Graphics jG;
joint = new Bitmap(back.Width, back.Height, PixelFormat.Format32bppArgb);
jG = Graphics.FromImage(joint);
jG.DrawImage(back, 0, 0, back.Width, back.Height);
jG.DrawImage(front, 0, 0, back.Width, back.Height);
return joint;
}
private void SetAlpha(ref Bitmap b, byte alpha)
{
for (int w = 0; w < b.Width; w++)
{
for (int h = 0; h < b.Height; h++)
{
b.SetPixel(w, h, Color.FromArgb(alpha, b.GetPixel(w, h)));
}
}
}
}
#endregion
}
}
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