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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.World.Terrain.FileLoaders
34{
35 public class JPEG : ITerrainLoader
36 {
37 #region ITerrainLoader Members
38
39 public string FileExtension
40 {
41 get { return ".jpg"; }
42 }
43
44 public ITerrainChannel LoadFile(string filename)
45 {
46 throw new NotImplementedException();
47 }
48
49 public ITerrainChannel LoadFile(string filename, int x, int y, int fileWidth, int fileHeight, int w, int h)
50 {
51 throw new NotImplementedException();
52 }
53
54 public void SaveFile(string filename, ITerrainChannel map)
55 {
56 Bitmap colours = CreateBitmapFromMap(map);
57
58 colours.Save(filename, ImageFormat.Jpeg);
59 }
60
61 #endregion
62
63 public override string ToString()
64 {
65 return "JPEG";
66 }
67
68 private Bitmap CreateBitmapFromMap(ITerrainChannel map)
69 {
70 Bitmap gradientmapLd = new Bitmap("defaultstripe.png");
71
72 int pallete = gradientmapLd.Height;
73
74 Bitmap bmp = new Bitmap(map.Width, map.Height);
75 Color[] colours = new Color[pallete];
76
77 for (int i = 0; i < pallete; i++)
78 {
79 colours[i] = gradientmapLd.GetPixel(0, i);
80 }
81
82 for (int y = 0; y < map.Height; y++)
83 {
84 for (int x = 0; x < map.Width; x++)
85 {
86 // 512 is the largest possible height before colours clamp
87 int colorindex = (int) (Math.Max(Math.Min(1.0, map[x, y] / 512.0), 0.0) * (pallete - 1));
88 bmp.SetPixel(x, map.Height - y - 1, colours[colorindex]);
89 }
90 }
91 return bmp;
92 }
93 }
94} \ No newline at end of file