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-rw-r--r--OpenSim/Region/Environment/Modules/Terrain/FileLoaders/GenericSystemDrawing.cs172
1 files changed, 0 insertions, 172 deletions
diff --git a/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/GenericSystemDrawing.cs b/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/GenericSystemDrawing.cs
deleted file mode 100644
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--- a/OpenSim/Region/Environment/Modules/Terrain/FileLoaders/GenericSystemDrawing.cs
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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
28using System;
29using System.Drawing;
30using System.Drawing.Imaging;
31using OpenSim.Region.Environment.Interfaces;
32
33namespace OpenSim.Region.Environment.Modules.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
generated by cgit v1.1 at 2024-12-15 02:32:15 +0000