1 files changed, 94 insertions, 0 deletions
diff --git a/OpenSim/Region/Environment/Modules/Terrain/MapImageModule.cs b/OpenSim/Region/Environment/Modules/Terrain/MapImageModule.cs
new file mode 100644
index 0000000..01695de
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/Terrain/MapImageModule.cs
@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using libsecondlife;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Region.Environment.Interfaces;
+using OpenSim.Region.Environment.Scenes;
+using OpenSim.Region.Environment.Modules.ModuleFramework;
+namespace OpenSim.Region.Environment.Modules.Terrain
+{
+    class MapImageModule : ITerrainTemp, IRegionModule
+    {
+        private Scene m_scene;
+        #region IRegionModule Members
+        public void Initialise(Scene scene, IConfigSource source)
+        {
+            m_scene = scene;
+            m_scene.RegisterModuleInterface<ITerrainTemp>(this);
+        }
+        public void PostInitialise()
+        {
+        }
+        public void Close()
+        {
+        }
+        public string Name
+        {
+            get { return "MapImageModule"; }
+        }
+        public bool IsSharedModule
+        {
+            get { return false; }
+        }
+        public byte[] WriteJpegImage(string gradientmap)
+        {
+            byte[] imageData = null;
+            try
+            {
+                Bitmap bmp = TerrainToBitmap(gradientmap);
+                imageData = OpenJPEGNet.OpenJPEG.EncodeFromImage(bmp, true);
+            }
+            catch (Exception e) // LEGIT: Catching problems caused by OpenJPEG p/invoke
+            {
+                Console.WriteLine("Failed generating terrain map: " + e.ToString());
+            }
+            return imageData;
+        }
+        private Bitmap TerrainToBitmap(string gradientmap)
+        {
+            Bitmap gradientmapLd = new Bitmap(gradientmap);
+            int pallete = gradientmapLd.Height;
+            Bitmap bmp = new Bitmap(m_scene.Heightmap.Width, m_scene.Heightmap.Height);
+            Color[] colours = new Color[pallete];
+            for (int i = 0; i < pallete; i++)
+            {
+                colours[i] = gradientmapLd.GetPixel(0, i);
+            }
+            lock (m_scene.Heightmap)
+            {
+                ITerrainChannel copy = m_scene.Heightmap;
+                for (int y = 0; y < copy.Height; y++)
+                {
+                    for (int x = 0; x < copy.Width; x++)
+                    {
+                        // 512 is the largest possible height before colours clamp
+                        int colorindex = (int)(Math.Max(Math.Min(1.0, copy[x, y] / 512.0), 0.0) * (pallete - 1));
+                        bmp.SetPixel(x, copy.Height - y - 1, colours[colorindex]);
+                    }
+                }
+            }
+            return bmp;
+        }
+        #endregion
+    }
+}

diff --git a/OpenSim/Region/Environment/Modules/Terrain/MapImageModule.cs b/OpenSim/Region/Environment/Modules/Terrain/MapImageModule.cs new file mode 100644 index 0000000..01695de --- /dev/null +++ b/OpenSim/Region/Environment/Modules/Terrain/MapImageModule.cs
@@ -0,0 +1,94 @@
	1	using System;
	2	using System.Collections.Generic;
	3	using System.Drawing;
	4	using libsecondlife;
	5	using Nini.Config;
	6	using OpenSim.Framework;
	7	using OpenSim.Region.Environment.Interfaces;
	8	using OpenSim.Region.Environment.Scenes;
	9	using OpenSim.Region.Environment.Modules.ModuleFramework;
	10
	11	namespace OpenSim.Region.Environment.Modules.Terrain
	12	{
	13	class MapImageModule : ITerrainTemp, IRegionModule
	14	{
	15	private Scene m_scene;
	16	#region IRegionModule Members
	17
	18	public void Initialise(Scene scene, IConfigSource source)
	19	{
	20	m_scene = scene;
	21	m_scene.RegisterModuleInterface<ITerrainTemp>(this);
	22	}
	23
	24	public void PostInitialise()
	25	{
	26	}
	27
	28	public void Close()
	29	{
	30	}
	31
	32	public string Name
	33	{
	34	get { return "MapImageModule"; }
	35	}
	36
	37	public bool IsSharedModule
	38	{
	39	get { return false; }
	40	}
	41
	42
	43	public byte[] WriteJpegImage(string gradientmap)
	44	{
	45	byte[] imageData = null;
	46	try
	47	{
	48	Bitmap bmp = TerrainToBitmap(gradientmap);
	49
	50	imageData = OpenJPEGNet.OpenJPEG.EncodeFromImage(bmp, true);
	51
	52	}
	53	catch (Exception e) // LEGIT: Catching problems caused by OpenJPEG p/invoke
	54	{
	55	Console.WriteLine("Failed generating terrain map: " + e.ToString());
	56	}
	57
	58	return imageData;
	59	}
	60
	61	private Bitmap TerrainToBitmap(string gradientmap)
	62	{
	63	Bitmap gradientmapLd = new Bitmap(gradientmap);
	64
	65	int pallete = gradientmapLd.Height;
	66
	67	Bitmap bmp = new Bitmap(m_scene.Heightmap.Width, m_scene.Heightmap.Height);
	68	Color[] colours = new Color[pallete];
	69
	70	for (int i = 0; i < pallete; i++)
	71	{
	72	colours[i] = gradientmapLd.GetPixel(0, i);
	73	}
	74
	75	lock (m_scene.Heightmap)
	76	{
	77	ITerrainChannel copy = m_scene.Heightmap;
	78	for (int y = 0; y < copy.Height; y++)
	79	{
	80	for (int x = 0; x < copy.Width; x++)
	81	{
	82	// 512 is the largest possible height before colours clamp
	83	int colorindex = (int)(Math.Max(Math.Min(1.0, copy[x, y] / 512.0), 0.0) * (pallete - 1));
	84	bmp.SetPixel(x, copy.Height - y - 1, colours[colorindex]);
	85	}
	86	}
	87	}
	88	return bmp;
	89	}
	90
	91
	92	#endregion
	93	}
	94	}