1 files changed, 172 insertions, 0 deletions
diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs
new file mode 100644
index 0000000..b5e6bd9
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs
@@ -0,0 +1,172 @@
+/*
+ * 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.Drawing.Imaging;
+using OpenSim.Region.Environment.Interfaces;
+namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
+{
+    /// <summary>
+    /// A virtual class designed to have methods overloaded, 
+    /// this class provides an interface for a generic image
+    /// saving and loading mechanism, but does not specify the
+    /// format. It should not be insubstantiated directly.
+    /// </summary>
+    public class GenericSystemDrawing : ITerrainLoader
+    {
+        #region ITerrainLoader Members
+        public string FileExtension
+        {
+            get { return ".gsd"; }
+        }
+        /// <summary>
+        /// Loads a file from a specified filename on the disk,
+        /// parses the image using the System.Drawing parsers
+        /// then returns a terrain channel. Values are
+        /// returned based on HSL brightness between 0m and 128m
+        /// </summary>
+        /// <param name="filename">The target image to load</param>
+        /// <returns>A terrain channel generated from the image.</returns>
+        public virtual ITerrainChannel LoadFile(string filename)
+        {
+            Bitmap file = new Bitmap(filename);
+            ITerrainChannel retval = new TerrainChannel(file.Width, file.Height);
+            int x, y;
+            for (x = 0; x < file.Width; x++)
+            {
+                for (y = 0; y < file.Height; y++)
+                {
+                    retval[x, y] = file.GetPixel(x, y).GetBrightness() * 128;
+                }
+            }
+            return retval;
+        }
+        public ITerrainChannel LoadFile(string filename, int x, int y, int fileWidth, int fileHeight, int w, int h)
+        {
+            throw new NotImplementedException();
+        }
+        /// <summary>
+        /// Exports a file to a image on the disk using a System.Drawing exporter.
+        /// </summary>
+        /// <param name="filename">The target filename</param>
+        /// <param name="map">The terrain channel being saved</param>
+        public virtual void SaveFile(string filename, ITerrainChannel map)
+        {
+            Bitmap colours = CreateGrayscaleBitmapFromMap(map);
+            colours.Save(filename, ImageFormat.Png);
+        }
+        #endregion
+        public override string ToString()
+        {
+            return "SYS.DRAWING";
+        }
+        /// <summary>
+        /// Protected method, generates a grayscale bitmap 
+        /// image from a specified terrain channel.
+        /// </summary>
+        /// <param name="map">The terrain channel to export to bitmap</param>
+        /// <returns>A System.Drawing.Bitmap containing a grayscale image</returns>
+        protected Bitmap CreateGrayscaleBitmapFromMap(ITerrainChannel map)
+        {
+            Bitmap bmp = new Bitmap(map.Width, map.Height);
+            int pallete = 256;
+            Color[] grays = new Color[pallete];
+            for (int i = 0; i < grays.Length; i++)
+            {
+                grays[i] = Color.FromArgb(i, i, i);
+            }
+            for (int y = 0; y < map.Height; y++)
+            {
+                for (int x = 0; x < map.Width; x++)
+                {
+                    // 512 is the largest possible height before colours clamp
+                    int colorindex = (int) (Math.Max(Math.Min(1.0, map[x, y] / 128.0), 0.0) * (pallete - 1));
+                    // Handle error conditions
+                    if (colorindex > pallete - 1 || colorindex < 0)
+                        bmp.SetPixel(x, map.Height - y - 1, Color.Red);
+                    else
+                        bmp.SetPixel(x, map.Height - y - 1, grays[colorindex]);
+                }
+            }
+            return bmp;
+        }
+        /// <summary>
+        /// Protected method, generates a coloured bitmap 
+        /// image from a specified terrain channel.
+        /// </summary>
+        /// <param name="map">The terrain channel to export to bitmap</param>
+        /// <returns>A System.Drawing.Bitmap containing a coloured image</returns>
+        protected Bitmap CreateBitmapFromMap(ITerrainChannel map)
+        {
+            Bitmap gradientmapLd = new Bitmap("defaultstripe.png");
+            int pallete = gradientmapLd.Height;
+            Bitmap bmp = new Bitmap(map.Width, map.Height);
+            Color[] colours = new Color[pallete];
+            for (int i = 0; i < pallete; i++)
+            {
+                colours[i] = gradientmapLd.GetPixel(0, i);
+            }
+            for (int y = 0; y < map.Height; y++)
+            {
+                for (int x = 0; x < map.Width; x++)
+                {
+                    // 512 is the largest possible height before colours clamp
+                    int colorindex = (int) (Math.Max(Math.Min(1.0, map[x, y] / 512.0), 0.0) * (pallete - 1));
+                    // Handle error conditions
+                    if (colorindex > pallete - 1 || colorindex < 0)
+                        bmp.SetPixel(x, map.Height - y - 1, Color.Red);
+                    else
+                        bmp.SetPixel(x, map.Height - y - 1, colours[colorindex]);
+                }
+            }
+            return bmp;
+        }
+    }
+}
+\ No newline at end of file

diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs new file mode 100644 index 0000000..b5e6bd9 --- /dev/null +++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/GenericSystemDrawing.cs
@@ -0,0 +1,172 @@
	1	/*
	2	* Copyright (c) Contributors, http://opensimulator.org/
	3	* See CONTRIBUTORS.TXT for a full list of copyright holders.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions are met:
	7	* * Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* * Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	* * Neither the name of the OpenSim Project nor the
	13	* names of its contributors may be used to endorse or promote products
	14	* derived from this software without specific prior written permission.
	15	*
	16	* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
	17	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	18	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	19	* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
	20	* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	21	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	22	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
	23	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	24	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	25	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	26	*/
	27
	28	using System;
	29	using System.Drawing;
	30	using System.Drawing.Imaging;
	31	using OpenSim.Region.Environment.Interfaces;
	32
	33	namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
	34	{
	35	/// <summary>
	36	/// A virtual class designed to have methods overloaded,
	37	/// this class provides an interface for a generic image
	38	/// saving and loading mechanism, but does not specify the
	39	/// format. It should not be insubstantiated directly.
	40	/// </summary>
	41	public class GenericSystemDrawing : ITerrainLoader
	42	{
	43	#region ITerrainLoader Members
	44
	45	public string FileExtension
	46	{
	47	get { return ".gsd"; }
	48	}
	49
	50	/// <summary>
	51	/// Loads a file from a specified filename on the disk,
	52	/// parses the image using the System.Drawing parsers
	53	/// then returns a terrain channel. Values are
	54	/// returned based on HSL brightness between 0m and 128m
	55	/// </summary>
	56	/// <param name="filename">The target image to load</param>
	57	/// <returns>A terrain channel generated from the image.</returns>
	58	public virtual ITerrainChannel LoadFile(string filename)
	59	{
	60	Bitmap file = new Bitmap(filename);
	61
	62	ITerrainChannel retval = new TerrainChannel(file.Width, file.Height);
	63
	64	int x, y;
	65	for (x = 0; x < file.Width; x++)
	66	{
	67	for (y = 0; y < file.Height; y++)
	68	{
	69	retval[x, y] = file.GetPixel(x, y).GetBrightness() * 128;
	70	}
	71	}
	72
	73	return retval;
	74	}
	75
	76	public ITerrainChannel LoadFile(string filename, int x, int y, int fileWidth, int fileHeight, int w, int h)
	77	{
	78	throw new NotImplementedException();
	79	}
	80
	81	/// <summary>
	82	/// Exports a file to a image on the disk using a System.Drawing exporter.
	83	/// </summary>
	84	/// <param name="filename">The target filename</param>
	85	/// <param name="map">The terrain channel being saved</param>
	86	public virtual void SaveFile(string filename, ITerrainChannel map)
	87	{
	88	Bitmap colours = CreateGrayscaleBitmapFromMap(map);
	89
	90	colours.Save(filename, ImageFormat.Png);
	91	}
	92
	93	#endregion
	94
	95	public override string ToString()
	96	{
	97	return "SYS.DRAWING";
	98	}
	99
	100	/// <summary>
	101	/// Protected method, generates a grayscale bitmap
	102	/// image from a specified terrain channel.
	103	/// </summary>
	104	/// <param name="map">The terrain channel to export to bitmap</param>
	105	/// <returns>A System.Drawing.Bitmap containing a grayscale image</returns>
	106	protected Bitmap CreateGrayscaleBitmapFromMap(ITerrainChannel map)
	107	{
	108	Bitmap bmp = new Bitmap(map.Width, map.Height);
	109
	110	int pallete = 256;
	111
	112	Color[] grays = new Color[pallete];
	113	for (int i = 0; i < grays.Length; i++)
	114	{
	115	grays[i] = Color.FromArgb(i, i, i);
	116	}
	117
	118	for (int y = 0; y < map.Height; y++)
	119	{
	120	for (int x = 0; x < map.Width; x++)
	121	{
	122	// 512 is the largest possible height before colours clamp
	123	int colorindex = (int) (Math.Max(Math.Min(1.0, map[x, y] / 128.0), 0.0) * (pallete - 1));
	124
	125	// Handle error conditions
	126	if (colorindex > pallete - 1 \|\| colorindex < 0)
	127	bmp.SetPixel(x, map.Height - y - 1, Color.Red);
	128	else
	129	bmp.SetPixel(x, map.Height - y - 1, grays[colorindex]);
	130	}
	131	}
	132	return bmp;
	133	}
	134
	135	/// <summary>
	136	/// Protected method, generates a coloured bitmap
	137	/// image from a specified terrain channel.
	138	/// </summary>
	139	/// <param name="map">The terrain channel to export to bitmap</param>
	140	/// <returns>A System.Drawing.Bitmap containing a coloured image</returns>
	141	protected Bitmap CreateBitmapFromMap(ITerrainChannel map)
	142	{
	143	Bitmap gradientmapLd = new Bitmap("defaultstripe.png");
	144
	145	int pallete = gradientmapLd.Height;
	146
	147	Bitmap bmp = new Bitmap(map.Width, map.Height);
	148	Color[] colours = new Color[pallete];
	149
	150	for (int i = 0; i < pallete; i++)
	151	{
	152	colours[i] = gradientmapLd.GetPixel(0, i);
	153	}
	154
	155	for (int y = 0; y < map.Height; y++)
	156	{
	157	for (int x = 0; x < map.Width; x++)
	158	{
	159	// 512 is the largest possible height before colours clamp
	160	int colorindex = (int) (Math.Max(Math.Min(1.0, map[x, y] / 512.0), 0.0) * (pallete - 1));
	161
	162	// Handle error conditions
	163	if (colorindex > pallete - 1 \|\| colorindex < 0)
	164	bmp.SetPixel(x, map.Height - y - 1, Color.Red);
	165	else
	166	bmp.SetPixel(x, map.Height - y - 1, colours[colorindex]);
	167	}
	168	}
	169	return bmp;
	170	}
	171	}
	172	} \ No newline at end of file