opensim – Blame information for rev 1
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Rev | Author | Line No. | Line |
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1 | eva | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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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 | using System; |
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29 | using System.Drawing; |
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30 | using System.Drawing.Imaging; |
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31 | using System.Globalization; |
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32 | using System.IO; |
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33 | using System.Linq; |
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34 | using System.Net; |
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35 | using Nini.Config; |
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36 | using OpenMetaverse; |
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37 | using OpenMetaverse.Imaging; |
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38 | using OpenSim.Region.CoreModules.Scripting.DynamicTexture; |
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39 | using OpenSim.Region.Framework.Interfaces; |
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40 | using OpenSim.Region.Framework.Scenes; |
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41 | using log4net; |
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42 | using System.Reflection; |
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43 | using Mono.Addins; |
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44 | |||
45 | //using Cairo; |
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46 | |||
47 | namespace OpenSim.Region.CoreModules.Scripting.VectorRender |
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48 | { |
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49 | [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "VectorRenderModule")] |
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50 | public class VectorRenderModule : ISharedRegionModule, IDynamicTextureRender |
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51 | { |
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52 | // These fields exist for testing purposes, please do not remove. |
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53 | // private static bool s_flipper; |
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54 | // private static byte[] s_asset1Data; |
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55 | // private static byte[] s_asset2Data; |
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56 | |||
57 | private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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58 | |||
59 | private Scene m_scene; |
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60 | private IDynamicTextureManager m_textureManager; |
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61 | |||
62 | private Graphics m_graph; |
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63 | private string m_fontName = "Arial"; |
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64 | |||
65 | public VectorRenderModule() |
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66 | { |
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67 | } |
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68 | |||
69 | #region IDynamicTextureRender Members |
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70 | |||
71 | public string GetContentType() |
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72 | { |
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73 | return "vector"; |
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74 | } |
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75 | |||
76 | public string GetName() |
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77 | { |
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78 | return Name; |
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79 | } |
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80 | |||
81 | public bool SupportsAsynchronous() |
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82 | { |
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83 | return true; |
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84 | } |
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85 | |||
86 | // public bool AlwaysIdenticalConversion(string bodyData, string extraParams) |
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87 | // { |
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88 | // string[] lines = GetLines(bodyData); |
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89 | // return lines.Any((str, r) => str.StartsWith("Image")); |
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90 | // } |
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91 | |||
92 | public IDynamicTexture ConvertUrl(string url, string extraParams) |
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93 | { |
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94 | return null; |
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95 | } |
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96 | |||
97 | public IDynamicTexture ConvertData(string bodyData, string extraParams) |
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98 | { |
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99 | return Draw(bodyData, extraParams); |
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100 | } |
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101 | |||
102 | public bool AsyncConvertUrl(UUID id, string url, string extraParams) |
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103 | { |
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104 | return false; |
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105 | } |
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106 | |||
107 | public bool AsyncConvertData(UUID id, string bodyData, string extraParams) |
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108 | { |
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109 | if (m_textureManager == null) |
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110 | { |
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111 | m_log.Warn("[VECTORRENDERMODULE]: No texture manager. Can't function"); |
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112 | return false; |
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113 | } |
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114 | // XXX: This isn't actually being done asynchronously! |
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115 | m_textureManager.ReturnData(id, ConvertData(bodyData, extraParams)); |
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116 | |||
117 | return true; |
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118 | } |
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119 | |||
120 | public void GetDrawStringSize(string text, string fontName, int fontSize, |
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121 | out double xSize, out double ySize) |
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122 | { |
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123 | lock (this) |
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124 | { |
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125 | using (Font myFont = new Font(fontName, fontSize)) |
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126 | { |
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127 | SizeF stringSize = new SizeF(); |
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128 | |||
129 | // XXX: This lock may be unnecessary. |
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130 | lock (m_graph) |
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131 | { |
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132 | stringSize = m_graph.MeasureString(text, myFont); |
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133 | xSize = stringSize.Width; |
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134 | ySize = stringSize.Height; |
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135 | } |
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136 | } |
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137 | } |
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138 | } |
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139 | |||
140 | #endregion |
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141 | |||
142 | #region ISharedRegionModule Members |
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143 | |||
144 | public void Initialise(IConfigSource config) |
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145 | { |
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146 | IConfig cfg = config.Configs["VectorRender"]; |
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147 | if (null != cfg) |
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148 | { |
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149 | m_fontName = cfg.GetString("font_name", m_fontName); |
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150 | } |
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151 | m_log.DebugFormat("[VECTORRENDERMODULE]: using font \"{0}\" for text rendering.", m_fontName); |
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152 | |||
153 | // We won't dispose of these explicitly since this module is only removed when the entire simulator |
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154 | // is shut down. |
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155 | Bitmap bitmap = new Bitmap(1024, 1024, PixelFormat.Format32bppArgb); |
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156 | m_graph = Graphics.FromImage(bitmap); |
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157 | } |
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158 | |||
159 | public void PostInitialise() |
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160 | { |
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161 | } |
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162 | |||
163 | public void AddRegion(Scene scene) |
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164 | { |
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165 | if (m_scene == null) |
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166 | { |
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167 | m_scene = scene; |
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168 | } |
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169 | } |
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170 | |||
171 | public void RegionLoaded(Scene scene) |
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172 | { |
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173 | if (m_textureManager == null && m_scene == scene) |
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174 | { |
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175 | m_textureManager = m_scene.RequestModuleInterface<IDynamicTextureManager>(); |
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176 | if (m_textureManager != null) |
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177 | { |
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178 | m_textureManager.RegisterRender(GetContentType(), this); |
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179 | } |
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180 | } |
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181 | } |
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182 | |||
183 | public void RemoveRegion(Scene scene) |
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184 | { |
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185 | } |
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186 | |||
187 | public void Close() |
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188 | { |
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189 | } |
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190 | |||
191 | public string Name |
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192 | { |
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193 | get { return "VectorRenderModule"; } |
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194 | } |
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195 | |||
196 | public Type ReplaceableInterface |
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197 | { |
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198 | get { return null; } |
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199 | } |
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200 | |||
201 | #endregion |
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202 | |||
203 | private IDynamicTexture Draw(string data, string extraParams) |
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204 | { |
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205 | // We need to cater for old scripts that didnt use extraParams neatly, they use either an integer size which represents both width and height, or setalpha |
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206 | // we will now support multiple comma seperated params in the form width:256,height:512,alpha:255 |
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207 | int width = 256; |
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208 | int height = 256; |
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209 | int alpha = 255; // 0 is transparent |
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210 | Color bgColor = Color.White; // Default background color |
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211 | char altDataDelim = ';'; |
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212 | |||
213 | char[] paramDelimiter = { ',' }; |
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214 | char[] nvpDelimiter = { ':' }; |
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215 | |||
216 | extraParams = extraParams.Trim(); |
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217 | extraParams = extraParams.ToLower(); |
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218 | |||
219 | string[] nvps = extraParams.Split(paramDelimiter); |
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220 | |||
221 | int temp = -1; |
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222 | foreach (string pair in nvps) |
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223 | { |
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224 | string[] nvp = pair.Split(nvpDelimiter); |
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225 | string name = ""; |
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226 | string value = ""; |
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227 | |||
228 | if (nvp[0] != null) |
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229 | { |
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230 | name = nvp[0].Trim(); |
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231 | } |
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232 | |||
233 | if (nvp.Length == 2) |
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234 | { |
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235 | value = nvp[1].Trim(); |
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236 | } |
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237 | |||
238 | switch (name) |
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239 | { |
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240 | case "width": |
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241 | temp = parseIntParam(value); |
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242 | if (temp != -1) |
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243 | { |
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244 | if (temp < 1) |
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245 | { |
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246 | width = 1; |
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247 | } |
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248 | else if (temp > 2048) |
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249 | { |
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250 | width = 2048; |
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251 | } |
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252 | else |
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253 | { |
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254 | width = temp; |
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255 | } |
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256 | } |
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257 | break; |
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258 | case "height": |
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259 | temp = parseIntParam(value); |
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260 | if (temp != -1) |
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261 | { |
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262 | if (temp < 1) |
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263 | { |
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264 | height = 1; |
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265 | } |
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266 | else if (temp > 2048) |
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267 | { |
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268 | height = 2048; |
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269 | } |
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270 | else |
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271 | { |
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272 | height = temp; |
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273 | } |
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274 | } |
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275 | break; |
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276 | case "alpha": |
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277 | temp = parseIntParam(value); |
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278 | if (temp != -1) |
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279 | { |
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280 | if (temp < 0) |
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281 | { |
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282 | alpha = 0; |
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283 | } |
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284 | else if (temp > 255) |
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285 | { |
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286 | alpha = 255; |
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287 | } |
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288 | else |
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289 | { |
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290 | alpha = temp; |
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291 | } |
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292 | } |
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293 | // Allow a bitmap w/o the alpha component to be created |
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294 | else if (value.ToLower() == "false") { |
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295 | alpha = 256; |
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296 | } |
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297 | break; |
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298 | case "bgcolor": |
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299 | case "bgcolour": |
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300 | int hex = 0; |
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301 | if (Int32.TryParse(value, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out hex)) |
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302 | { |
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303 | bgColor = Color.FromArgb(hex); |
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304 | } |
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305 | else |
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306 | { |
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307 | bgColor = Color.FromName(value); |
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308 | } |
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309 | break; |
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310 | case "altdatadelim": |
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311 | altDataDelim = value.ToCharArray()[0]; |
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312 | break; |
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313 | case "": |
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314 | // blank string has been passed do nothing just use defaults |
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315 | break; |
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316 | default: // this is all for backwards compat, all a bit ugly hopfully can be removed in future |
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317 | // could be either set alpha or just an int |
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318 | if (name == "setalpha") |
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319 | { |
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320 | alpha = 0; // set the texture to have transparent background (maintains backwards compat) |
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321 | } |
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322 | else |
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323 | { |
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324 | // this function used to accept an int on its own that represented both |
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325 | // width and height, this is to maintain backwards compat, could be removed |
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326 | // but would break existing scripts |
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327 | temp = parseIntParam(name); |
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328 | if (temp != -1) |
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329 | { |
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330 | if (temp > 1024) |
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331 | temp = 1024; |
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332 | |||
333 | if (temp < 128) |
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334 | temp = 128; |
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335 | |||
336 | width = temp; |
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337 | height = temp; |
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338 | } |
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339 | } |
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340 | break; |
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341 | } |
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342 | } |
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343 | |||
344 | Bitmap bitmap = null; |
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345 | Graphics graph = null; |
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346 | bool reuseable = false; |
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347 | |||
348 | try |
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349 | { |
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350 | // XXX: In testing, it appears that if multiple threads dispose of separate GDI+ objects simultaneously, |
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351 | // the native malloc heap can become corrupted, possibly due to a double free(). This may be due to |
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352 | // bugs in the underlying libcairo used by mono's libgdiplus.dll on Linux/OSX. These problems were |
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353 | // seen with both libcario 1.10.2-6.1ubuntu3 and 1.8.10-2ubuntu1. They go away if disposal is perfomed |
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354 | // under lock. |
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355 | lock (this) |
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356 | { |
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357 | if (alpha == 256) |
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358 | bitmap = new Bitmap(width, height, PixelFormat.Format32bppRgb); |
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359 | else |
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360 | bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb); |
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361 | |||
362 | graph = Graphics.FromImage(bitmap); |
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363 | |||
364 | // this is really just to save people filling the |
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365 | // background color in their scripts, only do when fully opaque |
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366 | if (alpha >= 255) |
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367 | { |
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368 | using (SolidBrush bgFillBrush = new SolidBrush(bgColor)) |
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369 | { |
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370 | graph.FillRectangle(bgFillBrush, 0, 0, width, height); |
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371 | } |
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372 | } |
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373 | |||
374 | for (int w = 0; w < bitmap.Width; w++) |
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375 | { |
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376 | if (alpha <= 255) |
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377 | { |
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378 | for (int h = 0; h < bitmap.Height; h++) |
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379 | { |
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380 | bitmap.SetPixel(w, h, Color.FromArgb(alpha, bitmap.GetPixel(w, h))); |
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381 | } |
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382 | } |
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383 | } |
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384 | |||
385 | GDIDraw(data, graph, altDataDelim, out reuseable); |
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386 | } |
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387 | |||
388 | byte[] imageJ2000 = new byte[0]; |
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389 | |||
390 | // This code exists for testing purposes, please do not remove. |
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391 | // if (s_flipper) |
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392 | // imageJ2000 = s_asset1Data; |
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393 | // else |
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394 | // imageJ2000 = s_asset2Data; |
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395 | // |
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396 | // s_flipper = !s_flipper; |
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397 | |||
398 | try |
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399 | { |
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400 | imageJ2000 = OpenJPEG.EncodeFromImage(bitmap, true); |
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401 | } |
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402 | catch (Exception e) |
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403 | { |
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404 | m_log.ErrorFormat( |
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405 | "[VECTORRENDERMODULE]: OpenJpeg Encode Failed. Exception {0}{1}", |
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406 | e.Message, e.StackTrace); |
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407 | } |
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408 | |||
409 | return new OpenSim.Region.CoreModules.Scripting.DynamicTexture.DynamicTexture( |
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410 | data, extraParams, imageJ2000, new Size(width, height), reuseable); |
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411 | } |
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412 | finally |
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413 | { |
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414 | // XXX: In testing, it appears that if multiple threads dispose of separate GDI+ objects simultaneously, |
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415 | // the native malloc heap can become corrupted, possibly due to a double free(). This may be due to |
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416 | // bugs in the underlying libcairo used by mono's libgdiplus.dll on Linux/OSX. These problems were |
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417 | // seen with both libcario 1.10.2-6.1ubuntu3 and 1.8.10-2ubuntu1. They go away if disposal is perfomed |
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418 | // under lock. |
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419 | lock (this) |
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420 | { |
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421 | if (graph != null) |
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422 | graph.Dispose(); |
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423 | |||
424 | if (bitmap != null) |
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425 | bitmap.Dispose(); |
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426 | } |
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427 | } |
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428 | } |
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429 | |||
430 | private int parseIntParam(string strInt) |
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431 | { |
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432 | int parsed; |
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433 | try |
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434 | { |
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435 | parsed = Convert.ToInt32(strInt); |
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436 | } |
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437 | catch (Exception) |
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438 | { |
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439 | //Ckrinke: Add a WriteLine to remove the warning about 'e' defined but not used |
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440 | // m_log.Debug("Problem with Draw. Please verify parameters." + e.ToString()); |
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441 | parsed = -1; |
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442 | } |
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443 | |||
444 | return parsed; |
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445 | } |
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446 | |||
447 | /* |
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448 | private void CairoDraw(string data, System.Drawing.Graphics graph) |
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449 | { |
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450 | using (Win32Surface draw = new Win32Surface(graph.GetHdc())) |
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451 | { |
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452 | Context contex = new Context(draw); |
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453 | |||
454 | contex.Antialias = Antialias.None; //fastest method but low quality |
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455 | contex.LineWidth = 7; |
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456 | char[] lineDelimiter = { ';' }; |
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457 | char[] partsDelimiter = { ',' }; |
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458 | string[] lines = data.Split(lineDelimiter); |
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459 | |||
460 | foreach (string line in lines) |
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461 | { |
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462 | string nextLine = line.Trim(); |
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463 | |||
464 | if (nextLine.StartsWith("MoveTO")) |
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465 | { |
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466 | float x = 0; |
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467 | float y = 0; |
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468 | GetParams(partsDelimiter, ref nextLine, ref x, ref y); |
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469 | contex.MoveTo(x, y); |
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470 | } |
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471 | else if (nextLine.StartsWith("LineTo")) |
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472 | { |
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473 | float x = 0; |
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474 | float y = 0; |
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475 | GetParams(partsDelimiter, ref nextLine, ref x, ref y); |
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476 | contex.LineTo(x, y); |
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477 | contex.Stroke(); |
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478 | } |
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479 | } |
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480 | } |
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481 | graph.ReleaseHdc(); |
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482 | } |
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483 | */ |
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484 | |||
485 | /// <summary> |
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486 | /// Split input data into discrete command lines. |
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487 | /// </summary> |
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488 | /// <returns></returns> |
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489 | /// <param name='data'></param> |
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490 | /// <param name='dataDelim'></param> |
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491 | private string[] GetLines(string data, char dataDelim) |
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492 | { |
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493 | char[] lineDelimiter = { dataDelim }; |
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494 | return data.Split(lineDelimiter); |
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495 | } |
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496 | |||
497 | private void GDIDraw(string data, Graphics graph, char dataDelim, out bool reuseable) |
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498 | { |
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499 | reuseable = true; |
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500 | Point startPoint = new Point(0, 0); |
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501 | Point endPoint = new Point(0, 0); |
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502 | Pen drawPen = null; |
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503 | Font myFont = null; |
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504 | SolidBrush myBrush = null; |
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505 | |||
506 | try |
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507 | { |
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508 | drawPen = new Pen(Color.Black, 7); |
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509 | string fontName = m_fontName; |
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510 | float fontSize = 14; |
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511 | myFont = new Font(fontName, fontSize); |
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512 | myBrush = new SolidBrush(Color.Black); |
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513 | |||
514 | char[] partsDelimiter = {','}; |
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515 | |||
516 | foreach (string line in GetLines(data, dataDelim)) |
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517 | { |
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518 | string nextLine = line.Trim(); |
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519 | |||
520 | // m_log.DebugFormat("[VECTOR RENDER MODULE]: Processing line '{0}'", nextLine); |
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521 | |||
522 | //replace with switch, or even better, do some proper parsing |
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523 | if (nextLine.StartsWith("MoveTo")) |
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524 | { |
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525 | float x = 0; |
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526 | float y = 0; |
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527 | GetParams(partsDelimiter, ref nextLine, 6, ref x, ref y); |
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528 | startPoint.X = (int) x; |
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529 | startPoint.Y = (int) y; |
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530 | } |
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531 | else if (nextLine.StartsWith("LineTo")) |
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532 | { |
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533 | float x = 0; |
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534 | float y = 0; |
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535 | GetParams(partsDelimiter, ref nextLine, 6, ref x, ref y); |
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536 | endPoint.X = (int) x; |
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537 | endPoint.Y = (int) y; |
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538 | graph.DrawLine(drawPen, startPoint, endPoint); |
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539 | startPoint.X = endPoint.X; |
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540 | startPoint.Y = endPoint.Y; |
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541 | } |
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542 | else if (nextLine.StartsWith("Text")) |
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543 | { |
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544 | nextLine = nextLine.Remove(0, 4); |
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545 | nextLine = nextLine.Trim(); |
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546 | graph.DrawString(nextLine, myFont, myBrush, startPoint); |
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547 | } |
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548 | else if (nextLine.StartsWith("Image")) |
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549 | { |
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550 | // We cannot reuse any generated texture involving fetching an image via HTTP since that image |
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551 | // can change. |
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552 | reuseable = false; |
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553 | |||
554 | float x = 0; |
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555 | float y = 0; |
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556 | GetParams(partsDelimiter, ref nextLine, 5, ref x, ref y); |
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557 | endPoint.X = (int) x; |
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558 | endPoint.Y = (int) y; |
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559 | |||
560 | using (Image image = ImageHttpRequest(nextLine)) |
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561 | { |
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562 | if (image != null) |
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563 | { |
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564 | graph.DrawImage(image, (float)startPoint.X, (float)startPoint.Y, x, y); |
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565 | } |
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566 | else |
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567 | { |
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568 | using (Font errorFont = new Font(m_fontName,6)) |
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569 | { |
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570 | graph.DrawString("URL couldn't be resolved or is", errorFont, |
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571 | myBrush, startPoint); |
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572 | graph.DrawString("not an image. Please check URL.", errorFont, |
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573 | myBrush, new Point(startPoint.X, 12 + startPoint.Y)); |
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574 | } |
||
575 | |||
576 | graph.DrawRectangle(drawPen, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y); |
||
577 | } |
||
578 | } |
||
579 | |||
580 | startPoint.X += endPoint.X; |
||
581 | startPoint.Y += endPoint.Y; |
||
582 | } |
||
583 | else if (nextLine.StartsWith("Rectangle")) |
||
584 | { |
||
585 | float x = 0; |
||
586 | float y = 0; |
||
587 | GetParams(partsDelimiter, ref nextLine, 9, ref x, ref y); |
||
588 | endPoint.X = (int) x; |
||
589 | endPoint.Y = (int) y; |
||
590 | graph.DrawRectangle(drawPen, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y); |
||
591 | startPoint.X += endPoint.X; |
||
592 | startPoint.Y += endPoint.Y; |
||
593 | } |
||
594 | else if (nextLine.StartsWith("FillRectangle")) |
||
595 | { |
||
596 | float x = 0; |
||
597 | float y = 0; |
||
598 | GetParams(partsDelimiter, ref nextLine, 13, ref x, ref y); |
||
599 | endPoint.X = (int) x; |
||
600 | endPoint.Y = (int) y; |
||
601 | graph.FillRectangle(myBrush, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y); |
||
602 | startPoint.X += endPoint.X; |
||
603 | startPoint.Y += endPoint.Y; |
||
604 | } |
||
605 | else if (nextLine.StartsWith("FillPolygon")) |
||
606 | { |
||
607 | PointF[] points = null; |
||
608 | GetParams(partsDelimiter, ref nextLine, 11, ref points); |
||
609 | graph.FillPolygon(myBrush, points); |
||
610 | } |
||
611 | else if (nextLine.StartsWith("Polygon")) |
||
612 | { |
||
613 | PointF[] points = null; |
||
614 | GetParams(partsDelimiter, ref nextLine, 7, ref points); |
||
615 | graph.DrawPolygon(drawPen, points); |
||
616 | } |
||
617 | else if (nextLine.StartsWith("Ellipse")) |
||
618 | { |
||
619 | float x = 0; |
||
620 | float y = 0; |
||
621 | GetParams(partsDelimiter, ref nextLine, 7, ref x, ref y); |
||
622 | endPoint.X = (int)x; |
||
623 | endPoint.Y = (int)y; |
||
624 | graph.DrawEllipse(drawPen, startPoint.X, startPoint.Y, endPoint.X, endPoint.Y); |
||
625 | startPoint.X += endPoint.X; |
||
626 | startPoint.Y += endPoint.Y; |
||
627 | } |
||
628 | else if (nextLine.StartsWith("FontSize")) |
||
629 | { |
||
630 | nextLine = nextLine.Remove(0, 8); |
||
631 | nextLine = nextLine.Trim(); |
||
632 | fontSize = Convert.ToSingle(nextLine, CultureInfo.InvariantCulture); |
||
633 | |||
634 | myFont.Dispose(); |
||
635 | myFont = new Font(fontName, fontSize); |
||
636 | } |
||
637 | else if (nextLine.StartsWith("FontProp")) |
||
638 | { |
||
639 | nextLine = nextLine.Remove(0, 8); |
||
640 | nextLine = nextLine.Trim(); |
||
641 | |||
642 | string[] fprops = nextLine.Split(partsDelimiter); |
||
643 | foreach (string prop in fprops) |
||
644 | { |
||
645 | |||
646 | switch (prop) |
||
647 | { |
||
648 | case "B": |
||
649 | if (!(myFont.Bold)) |
||
650 | { |
||
651 | Font newFont = new Font(myFont, myFont.Style | FontStyle.Bold); |
||
652 | myFont.Dispose(); |
||
653 | myFont = newFont; |
||
654 | } |
||
655 | break; |
||
656 | case "I": |
||
657 | if (!(myFont.Italic)) |
||
658 | { |
||
659 | Font newFont = new Font(myFont, myFont.Style | FontStyle.Italic); |
||
660 | myFont.Dispose(); |
||
661 | myFont = newFont; |
||
662 | } |
||
663 | break; |
||
664 | case "U": |
||
665 | if (!(myFont.Underline)) |
||
666 | { |
||
667 | Font newFont = new Font(myFont, myFont.Style | FontStyle.Underline); |
||
668 | myFont.Dispose(); |
||
669 | myFont = newFont; |
||
670 | } |
||
671 | break; |
||
672 | case "S": |
||
673 | if (!(myFont.Strikeout)) |
||
674 | { |
||
675 | Font newFont = new Font(myFont, myFont.Style | FontStyle.Strikeout); |
||
676 | myFont.Dispose(); |
||
677 | myFont = newFont; |
||
678 | } |
||
679 | break; |
||
680 | case "R": |
||
681 | // We need to place this newFont inside its own context so that the .NET compiler |
||
682 | // doesn't complain about a redefinition of an existing newFont, even though there is none |
||
683 | // The mono compiler doesn't produce this error. |
||
684 | { |
||
685 | Font newFont = new Font(myFont, FontStyle.Regular); |
||
686 | myFont.Dispose(); |
||
687 | myFont = newFont; |
||
688 | } |
||
689 | break; |
||
690 | } |
||
691 | } |
||
692 | } |
||
693 | else if (nextLine.StartsWith("FontName")) |
||
694 | { |
||
695 | nextLine = nextLine.Remove(0, 8); |
||
696 | fontName = nextLine.Trim(); |
||
697 | myFont.Dispose(); |
||
698 | myFont = new Font(fontName, fontSize); |
||
699 | } |
||
700 | else if (nextLine.StartsWith("PenSize")) |
||
701 | { |
||
702 | nextLine = nextLine.Remove(0, 7); |
||
703 | nextLine = nextLine.Trim(); |
||
704 | float size = Convert.ToSingle(nextLine, CultureInfo.InvariantCulture); |
||
705 | drawPen.Width = size; |
||
706 | } |
||
707 | else if (nextLine.StartsWith("PenCap")) |
||
708 | { |
||
709 | bool start = true, end = true; |
||
710 | nextLine = nextLine.Remove(0, 6); |
||
711 | nextLine = nextLine.Trim(); |
||
712 | string[] cap = nextLine.Split(partsDelimiter); |
||
713 | if (cap[0].ToLower() == "start") |
||
714 | end = false; |
||
715 | else if (cap[0].ToLower() == "end") |
||
716 | start = false; |
||
717 | else if (cap[0].ToLower() != "both") |
||
718 | return; |
||
719 | string type = cap[1].ToLower(); |
||
720 | |||
721 | if (end) |
||
722 | { |
||
723 | switch (type) |
||
724 | { |
||
725 | case "arrow": |
||
726 | drawPen.EndCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor; |
||
727 | break; |
||
728 | case "round": |
||
729 | drawPen.EndCap = System.Drawing.Drawing2D.LineCap.RoundAnchor; |
||
730 | break; |
||
731 | case "diamond": |
||
732 | drawPen.EndCap = System.Drawing.Drawing2D.LineCap.DiamondAnchor; |
||
733 | break; |
||
734 | case "flat": |
||
735 | drawPen.EndCap = System.Drawing.Drawing2D.LineCap.Flat; |
||
736 | break; |
||
737 | } |
||
738 | } |
||
739 | if (start) |
||
740 | { |
||
741 | switch (type) |
||
742 | { |
||
743 | case "arrow": |
||
744 | drawPen.StartCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor; |
||
745 | break; |
||
746 | case "round": |
||
747 | drawPen.StartCap = System.Drawing.Drawing2D.LineCap.RoundAnchor; |
||
748 | break; |
||
749 | case "diamond": |
||
750 | drawPen.StartCap = System.Drawing.Drawing2D.LineCap.DiamondAnchor; |
||
751 | break; |
||
752 | case "flat": |
||
753 | drawPen.StartCap = System.Drawing.Drawing2D.LineCap.Flat; |
||
754 | break; |
||
755 | } |
||
756 | } |
||
757 | } |
||
758 | else if (nextLine.StartsWith("PenColour") || nextLine.StartsWith("PenColor")) |
||
759 | { |
||
760 | nextLine = nextLine.Remove(0, 9); |
||
761 | nextLine = nextLine.Trim(); |
||
762 | int hex = 0; |
||
763 | |||
764 | Color newColor; |
||
765 | if (Int32.TryParse(nextLine, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out hex)) |
||
766 | { |
||
767 | newColor = Color.FromArgb(hex); |
||
768 | } |
||
769 | else |
||
770 | { |
||
771 | // this doesn't fail, it just returns black if nothing is found |
||
772 | newColor = Color.FromName(nextLine); |
||
773 | } |
||
774 | |||
775 | myBrush.Color = newColor; |
||
776 | drawPen.Color = newColor; |
||
777 | } |
||
778 | } |
||
779 | } |
||
780 | finally |
||
781 | { |
||
782 | if (drawPen != null) |
||
783 | drawPen.Dispose(); |
||
784 | |||
785 | if (myFont != null) |
||
786 | myFont.Dispose(); |
||
787 | |||
788 | if (myBrush != null) |
||
789 | myBrush.Dispose(); |
||
790 | } |
||
791 | } |
||
792 | |||
793 | private static void GetParams(char[] partsDelimiter, ref string line, int startLength, ref float x, ref float y) |
||
794 | { |
||
795 | line = line.Remove(0, startLength); |
||
796 | string[] parts = line.Split(partsDelimiter); |
||
797 | if (parts.Length == 2) |
||
798 | { |
||
799 | string xVal = parts[0].Trim(); |
||
800 | string yVal = parts[1].Trim(); |
||
801 | x = Convert.ToSingle(xVal, CultureInfo.InvariantCulture); |
||
802 | y = Convert.ToSingle(yVal, CultureInfo.InvariantCulture); |
||
803 | } |
||
804 | else if (parts.Length > 2) |
||
805 | { |
||
806 | string xVal = parts[0].Trim(); |
||
807 | string yVal = parts[1].Trim(); |
||
808 | x = Convert.ToSingle(xVal, CultureInfo.InvariantCulture); |
||
809 | y = Convert.ToSingle(yVal, CultureInfo.InvariantCulture); |
||
810 | |||
811 | line = ""; |
||
812 | for (int i = 2; i < parts.Length; i++) |
||
813 | { |
||
814 | line = line + parts[i].Trim(); |
||
815 | line = line + " "; |
||
816 | } |
||
817 | } |
||
818 | } |
||
819 | |||
820 | private static void GetParams(char[] partsDelimiter, ref string line, int startLength, ref PointF[] points) |
||
821 | { |
||
822 | line = line.Remove(0, startLength); |
||
823 | string[] parts = line.Split(partsDelimiter); |
||
824 | if (parts.Length > 1 && parts.Length % 2 == 0) |
||
825 | { |
||
826 | points = new PointF[parts.Length / 2]; |
||
827 | for (int i = 0; i < parts.Length; i = i + 2) |
||
828 | { |
||
829 | string xVal = parts[i].Trim(); |
||
830 | string yVal = parts[i+1].Trim(); |
||
831 | float x = Convert.ToSingle(xVal, CultureInfo.InvariantCulture); |
||
832 | float y = Convert.ToSingle(yVal, CultureInfo.InvariantCulture); |
||
833 | PointF point = new PointF(x, y); |
||
834 | points[i / 2] = point; |
||
835 | |||
836 | // m_log.DebugFormat("[VECTOR RENDER MODULE]: Got point {0}", points[i / 2]); |
||
837 | } |
||
838 | } |
||
839 | } |
||
840 | |||
841 | private Bitmap ImageHttpRequest(string url) |
||
842 | { |
||
843 | try |
||
844 | { |
||
845 | WebRequest request = HttpWebRequest.Create(url); |
||
846 | |||
847 | using (HttpWebResponse response = (HttpWebResponse)(request).GetResponse()) |
||
848 | { |
||
849 | if (response.StatusCode == HttpStatusCode.OK) |
||
850 | { |
||
851 | using (Stream s = response.GetResponseStream()) |
||
852 | { |
||
853 | Bitmap image = new Bitmap(s); |
||
854 | return image; |
||
855 | } |
||
856 | } |
||
857 | } |
||
858 | } |
||
859 | catch { } |
||
860 | |||
861 | return null; |
||
862 | } |
||
863 | } |
||
864 | } |