clockwerk-opensim-stable – Blame information for rev 1
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| Rev | Author | Line No. | Line |
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| 1 | vero | 1 | /* |
| 2 | * Copyright (c) Contributors |
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| 3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions are met: |
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| 7 | * * Redistributions of source code must retain the above copyright |
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| 8 | * notice, this list of conditions and the following disclaimer. |
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| 9 | * * Redistributions in binary form must reproduce the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer in the |
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| 11 | * documentation and/or other materials provided with the distribution. |
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| 12 | * * Neither the name of the OpenSimulator Project nor the |
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| 13 | * names of its contributors may be used to endorse or promote products |
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| 14 | * derived from this software without specific prior written permission. |
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| 15 | * |
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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| 17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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| 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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| 20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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| 21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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| 22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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| 23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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| 25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 26 | */ |
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| 27 | |||
| 28 | // to build without references to System.Drawing, comment this out |
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| 29 | #define SYSTEM_DRAWING |
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| 30 | |||
| 31 | using System; |
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| 32 | using System.Collections.Generic; |
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| 33 | using System.Text; |
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| 34 | |||
| 35 | #if SYSTEM_DRAWING |
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| 36 | using System.Drawing; |
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| 37 | using System.Drawing.Imaging; |
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| 38 | |||
| 39 | namespace PrimMesher |
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| 40 | { |
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| 41 | public class SculptMap |
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| 42 | { |
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| 43 | public int width; |
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| 44 | public int height; |
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| 45 | public byte[] redBytes; |
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| 46 | public byte[] greenBytes; |
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| 47 | public byte[] blueBytes; |
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| 48 | |||
| 49 | public SculptMap() |
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| 50 | { |
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| 51 | } |
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| 52 | |||
| 53 | public SculptMap(Bitmap bm, int lod) |
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| 54 | { |
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| 55 | int bmW = bm.Width; |
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| 56 | int bmH = bm.Height; |
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| 57 | |||
| 58 | if (bmW == 0 || bmH == 0) |
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| 59 | throw new Exception("SculptMap: bitmap has no data"); |
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| 60 | |||
| 61 | int numLodPixels = lod * 2 * lod * 2; // (32 * 2)^2 = 64^2 pixels for default sculpt map image |
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| 62 | |||
| 63 | bool needsScaling = false; |
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| 64 | |||
| 65 | bool smallMap = bmW * bmH <= lod * lod; |
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| 66 | |||
| 67 | width = bmW; |
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| 68 | height = bmH; |
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| 69 | while (width * height > numLodPixels) |
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| 70 | { |
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| 71 | width >>= 1; |
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| 72 | height >>= 1; |
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| 73 | needsScaling = true; |
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| 74 | } |
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| 75 | |||
| 76 | |||
| 77 | |||
| 78 | try |
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| 79 | { |
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| 80 | if (needsScaling) |
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| 81 | bm = ScaleImage(bm, width, height, |
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| 82 | System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor); |
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| 83 | } |
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| 84 | |||
| 85 | catch (Exception e) |
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| 86 | { |
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| 87 | throw new Exception("Exception in ScaleImage(): e: " + e.ToString()); |
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| 88 | } |
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| 89 | |||
| 90 | if (width * height > lod * lod) |
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| 91 | { |
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| 92 | width >>= 1; |
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| 93 | height >>= 1; |
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| 94 | } |
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| 95 | |||
| 96 | int numBytes = (width + 1) * (height + 1); |
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| 97 | redBytes = new byte[numBytes]; |
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| 98 | greenBytes = new byte[numBytes]; |
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| 99 | blueBytes = new byte[numBytes]; |
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| 100 | |||
| 101 | int byteNdx = 0; |
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| 102 | |||
| 103 | try |
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| 104 | { |
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| 105 | for (int y = 0; y <= height; y++) |
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| 106 | { |
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| 107 | for (int x = 0; x <= width; x++) |
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| 108 | { |
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| 109 | Color c; |
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| 110 | |||
| 111 | if (smallMap) |
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| 112 | c = bm.GetPixel(x < width ? x : x - 1, |
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| 113 | y < height ? y : y - 1); |
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| 114 | else |
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| 115 | c = bm.GetPixel(x < width ? x * 2 : x * 2 - 1, |
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| 116 | y < height ? y * 2 : y * 2 - 1); |
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| 117 | |||
| 118 | redBytes[byteNdx] = c.R; |
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| 119 | greenBytes[byteNdx] = c.G; |
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| 120 | blueBytes[byteNdx] = c.B; |
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| 121 | |||
| 122 | ++byteNdx; |
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| 123 | } |
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| 124 | } |
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| 125 | } |
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| 126 | catch (Exception e) |
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| 127 | { |
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| 128 | throw new Exception("Caught exception processing byte arrays in SculptMap(): e: " + e.ToString()); |
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| 129 | } |
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| 130 | |||
| 131 | width++; |
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| 132 | height++; |
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| 133 | } |
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| 134 | |||
| 135 | public List<List<Coord>> ToRows(bool mirror) |
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| 136 | { |
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| 137 | int numRows = height; |
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| 138 | int numCols = width; |
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| 139 | |||
| 140 | List<List<Coord>> rows = new List<List<Coord>>(numRows); |
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| 141 | |||
| 142 | float pixScale = 1.0f / 255; |
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| 143 | |||
| 144 | int rowNdx, colNdx; |
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| 145 | int smNdx = 0; |
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| 146 | |||
| 147 | for (rowNdx = 0; rowNdx < numRows; rowNdx++) |
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| 148 | { |
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| 149 | List<Coord> row = new List<Coord>(numCols); |
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| 150 | for (colNdx = 0; colNdx < numCols; colNdx++) |
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| 151 | { |
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| 152 | if (mirror) |
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| 153 | row.Add(new Coord(-(redBytes[smNdx] * pixScale - 0.5f), (greenBytes[smNdx] * pixScale - 0.5f), blueBytes[smNdx] * pixScale - 0.5f)); |
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| 154 | else |
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| 155 | row.Add(new Coord(redBytes[smNdx] * pixScale - 0.5f, greenBytes[smNdx] * pixScale - 0.5f, blueBytes[smNdx] * pixScale - 0.5f)); |
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| 156 | |||
| 157 | ++smNdx; |
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| 158 | } |
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| 159 | rows.Add(row); |
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| 160 | } |
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| 161 | return rows; |
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| 162 | } |
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| 163 | |||
| 164 | private Bitmap ScaleImage(Bitmap srcImage, int destWidth, int destHeight, |
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| 165 | System.Drawing.Drawing2D.InterpolationMode interpMode) |
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| 166 | { |
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| 167 | Bitmap scaledImage = new Bitmap(srcImage, destWidth, destHeight); |
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| 168 | scaledImage.SetResolution(96.0f, 96.0f); |
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| 169 | |||
| 170 | Graphics grPhoto = Graphics.FromImage(scaledImage); |
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| 171 | grPhoto.InterpolationMode = interpMode; |
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| 172 | |||
| 173 | grPhoto.DrawImage(srcImage, |
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| 174 | new Rectangle(0, 0, destWidth, destHeight), |
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| 175 | new Rectangle(0, 0, srcImage.Width, srcImage.Height), |
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| 176 | GraphicsUnit.Pixel); |
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| 177 | |||
| 178 | grPhoto.Dispose(); |
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| 179 | return scaledImage; |
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| 180 | } |
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| 181 | } |
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| 182 | } |
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| 183 | #endif |