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1 /* |
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2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Shared data definitions |
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15 * |
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16 */ |
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17 |
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18 |
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19 #ifndef OCRSHAREDATA_H |
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20 #define OCRSHAREDATA_H |
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21 |
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22 // INCLUDES FILES |
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23 #include <ocrcommon.h> |
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24 |
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25 // DATA TYPES |
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26 |
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27 /** Request definitions between main thread and child thread */ |
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28 enum TEngineCmd |
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29 { |
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30 ECmdInvalid = 0, // Invalid |
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31 ECmdLayout, // Layout |
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32 ECmdRecognize, // Recognize |
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33 ECmdRecognizeBlock, // Recognize block |
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34 ECmdRecognizeSpecialRegion, // Recognize special region |
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35 ECmdSetLanguage, // Set language |
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36 ECmdGetLanguage, // Get language |
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37 ECmdRefresh, // Refresh |
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38 ECmdExit, // Exit |
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39 ECmdLayoutComplete, // Layout complete |
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40 ECmdRecognizeComplete, // Recognize complete |
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41 ECmdRecognizeBlockComplete, // Recognize block complete |
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42 ECmdRecognizeSpecialRegionComplete, // Recognize special region complete |
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43 ECmdRecogProcess, // Recognize progress |
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44 ECmdIsLanguageSupported // Just if supporting the language |
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45 }; |
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46 |
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47 // FORWARD DECLARATIONS |
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48 class CEngineAdaptor; |
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49 class EngineThread; |
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50 |
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51 // CLASS DECLARATION |
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52 |
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53 /** |
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54 * Shared data between threads |
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55 * |
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56 * Wrapper class for share data between main thread and child thread |
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57 * |
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58 * @lib ocrsrv.lib |
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59 * @since S60 v3.1 |
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60 */ |
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61 class CShareData : public CBase |
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62 { |
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63 friend class CEngineAdaptor; |
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64 friend class EngineThread; |
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65 |
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66 public: // Constructors and destructor |
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67 |
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68 /** |
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69 * Symbian Two-phased constructor. |
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70 */ |
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71 static CShareData* NewL(); |
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72 |
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73 /** |
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74 * C++ Default Destructor. |
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75 */ |
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76 virtual ~CShareData(); |
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77 |
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78 public: // New functions |
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79 |
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80 /** |
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81 * Enter Share Section |
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82 * @since S60 v3.1 |
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83 * @return None |
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84 */ |
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85 inline void EnterShareSection(); |
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86 |
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87 /** |
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88 * Leave Share Section |
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89 * @since S60 v3.1 |
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90 * @return None |
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91 */ |
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92 inline void LeaveShareSection(); |
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93 |
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94 private: |
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95 |
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96 /** |
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97 * C++ default constructor |
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98 */ |
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99 CShareData(); |
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100 |
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101 /** |
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102 * Default Symbian 2nd phase constructor |
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103 */ |
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104 void ConstructL(); |
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105 |
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106 private: // Data |
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107 |
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108 /** |
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109 * Share data mutex |
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110 */ |
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111 RMutex iShareMutex; |
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112 |
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113 /** |
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114 * Notifier for the shared data |
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115 */ |
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116 RSemaphore iNotifier; |
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117 |
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118 /** |
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119 * Save active language information |
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120 */ |
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121 RArray<TInt> iActiveLanguage; |
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122 |
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123 /** |
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124 * Save installed language information |
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125 */ |
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126 RArray<TInt> iInstalledLanguage; |
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127 |
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128 /** |
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129 * Command sent to child thread |
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130 */ |
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131 TEngineCmd iCmd; |
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132 |
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133 /** |
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134 * Command sent from child thread to main thread |
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135 */ |
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136 TEngineCmd iCmdRet; |
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137 |
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138 /** |
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139 * Recognized first block's pointer (Own) |
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140 */ |
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141 TOCRBlockInfo* iFirstBlock; |
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142 |
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143 /** |
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144 * Information of selected blocks |
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145 */ |
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146 TOCRBlockInfo* iSelectedBlocks; |
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147 |
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148 /** |
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149 * Information of text region |
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150 */ |
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151 TOCRTextRgnInfo* iTextRgnInfo; |
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152 |
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153 /** |
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154 * Number of blocks recognized |
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155 */ |
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156 TInt iBlockCount; |
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157 |
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158 /** |
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159 * OCR binary image (Own) |
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160 */ |
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161 HBufC8* iBinaryImage; |
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162 |
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163 /** |
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164 * Handle to the image |
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165 */ |
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166 TInt iImageHandle; |
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167 |
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168 /** |
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169 * Layout setting |
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170 */ |
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171 TOCRLayoutSetting iLayoutSettings; |
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172 |
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173 /** |
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174 * Recognzie setting |
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175 */ |
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176 TOCRRecognizeSetting iRecognizeSettings; |
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177 |
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178 /** |
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179 * Layout block information |
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180 */ |
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181 TOCRLayoutBlockInfo iLayoutInfo; |
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182 |
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183 /** |
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184 * Region information |
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185 */ |
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186 TRegionInfo iRegionInfo; |
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187 |
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188 /** |
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189 * Cancel flag |
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190 */ |
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191 TBool iCanceled; |
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192 |
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193 /** |
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194 * Main thread id |
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195 */ |
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196 TThreadId iMainThreadId; |
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197 |
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198 /** |
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199 * Percent of the progress |
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200 */ |
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201 TUint iPercent; |
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202 |
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203 /** |
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204 * Error code from the engine |
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205 */ |
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206 TInt iError; |
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207 |
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208 /** |
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209 * Pointer to Active object's status variable (Not Own) |
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210 */ |
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211 TRequestStatus* iActiveStatus; |
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212 |
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213 /** |
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214 * Pointer to normal status variable (Not Own) |
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215 */ |
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216 TRequestStatus* iRequestStatus; |
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217 |
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218 /** |
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219 * Name of the target dll |
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220 */ |
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221 TFileName iTargetDll; |
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222 }; |
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223 |
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224 // ----------------------------------------------------------------------------- |
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225 // CShareData::EnterShareSection |
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226 // Description : Enter share section |
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227 // ----------------------------------------------------------------------------- |
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228 // |
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229 inline void CShareData::EnterShareSection() |
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230 { |
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231 iShareMutex.Wait(); |
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232 } |
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233 |
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234 // ----------------------------------------------------------------------------- |
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235 // CShareData::LeaveShareSection |
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236 // Description : Leave share section |
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237 // ----------------------------------------------------------------------------- |
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238 // |
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239 inline void CShareData::LeaveShareSection() |
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240 { |
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241 iShareMutex.Signal(); |
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242 } |
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243 |
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244 #endif // OCRSHAREDATA_H |
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245 |
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246 // End of File |