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1 /* |
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2 * Copyright (c) 2007-2009 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: Common Exif-utilities for harvester |
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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 HARVESTEREXIFUTIL_H |
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20 #define HARVESTEREXIFUTIL_H |
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21 |
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22 // INCLUDES |
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23 #include <e32std.h> |
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24 #include <e32base.h> |
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25 #include <ExifRead.h> |
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26 #include <ExifTag.h> |
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27 #include <apmstd.h> |
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28 #include "harvesterlog.h" |
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29 #include "harvestdata.h" |
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30 #include "mdeobject.h" |
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31 #include "mdesession.h" |
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32 |
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33 class CExifModify; |
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34 |
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35 // CLASS DECLARATION |
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36 |
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37 /** |
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38 * CHarvesterExifUtil |
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39 * |
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40 */ |
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41 NONSHARABLE_CLASS( CHarvesterExifUtil ) : public CBase |
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42 { |
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43 public: // Constructors and destructor |
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44 |
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45 /** |
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46 * Destructor. |
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47 */ |
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48 IMPORT_C ~CHarvesterExifUtil(); |
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49 |
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50 /** |
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51 * Two-phased constructor. |
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52 */ |
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53 IMPORT_C static CHarvesterExifUtil* NewL(); |
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54 |
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55 /** |
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56 * Two-phased constructor. |
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57 */ |
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58 IMPORT_C static CHarvesterExifUtil* NewLC(); |
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59 |
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60 |
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61 IMPORT_C void SetSession( CMdESession* aSession ); |
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62 /** |
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63 * |
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64 */ |
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65 IMPORT_C static TBool IsValidExifData(TPtr8 aData); |
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66 |
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67 IMPORT_C static TInt ReadExifDataL( CHarvestData& aHd, CFileData& aFileData ); |
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68 |
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69 IMPORT_C static TTime ConvertExifDateTimeToSymbianTimeL( const TDesC8& aDateTime ); |
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70 |
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71 IMPORT_C TInt ComposeExifDataL( CMdEObject& aObject, TPtr8 aImagePtr, HBufC8*& aModified ); |
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72 |
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73 IMPORT_C void ComposeLocationL( CMdEObject* aLocation, TPtr8 aImagePtr, HBufC8*& aModified ); |
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74 |
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75 protected: |
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76 void SetExifDefaultsL( CMdEObject& aMdeObject, CExifModify& aExifModify ); |
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77 void AddPropertyL( CMdEObjectDef& aObjectDef, CMdEObject& aMdeObject, |
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78 const TDesC& aProperty, TUint32 aValue ); |
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79 void AddPropertyL( CMdEObjectDef& aObjectDef, CMdEObject& aMdeObject, |
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80 const TDesC& aProperty, TUint16 aValue ); |
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81 TBool ModifyExifTagL( CMdEObject& aMdeObject, CExifModify& aExifModify, |
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82 const TDesC& aProperty, TExifIfdType aIFD, TUint16 aTagID, TBool aRemove = EFalse ); |
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83 HBufC8* GetPropertyValueLC( const CMdEPropertyDef& aPropDef, |
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84 const CMdEProperty& aProperty ); |
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85 CExifTag::TExifTagDataType ExifTagDataType( TUint16 aTagID, const CMdEPropertyDef& aPropDef ); |
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86 |
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87 TBool CompareTag( TPtrC8 aMdeData, const CExifTag* aTag ); |
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88 |
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89 static HBufC16* ReadExifTagL( const CExifRead& aReader, TExifIfdType aIFD, TUint16 aTagID ); |
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90 |
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91 static void StripNulls( HBufC& aString ); |
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92 |
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93 private: |
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94 |
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95 /** |
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96 * Constructor for performing 1st stage construction |
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97 */ |
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98 CHarvesterExifUtil(); |
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99 |
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100 /** |
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101 * default constructor for performing 2nd stage construction |
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102 */ |
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103 void ConstructL(); |
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104 |
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105 static void ReadUserCommentL( CHarvestData& aHd, CExifRead* aReader ); |
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106 |
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107 static void ReadXResolutionL( CHarvestData& aHd, CExifRead* aReader ); |
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108 |
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109 static void ReadYResolutionL( CHarvestData& aHd, CExifRead* aReader ); |
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110 |
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111 static void ReadExposureBiasL( CHarvestData& aHd, CExifRead* aReader ); |
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112 |
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113 static void ReadExposureTimeL( CHarvestData& aHd, CExifRead* aReader ); |
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114 |
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115 static void ReadFNumberL( CHarvestData& aHd, CExifRead* aReader ); |
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116 |
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117 static void ReadShutterSpeedL( CHarvestData& aHd, CExifRead* aReader ); |
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118 |
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119 static void ReadApertureValueL( CHarvestData& aHd, CExifRead* aReader ); |
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120 |
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121 static void ReadFocalLengthL( CHarvestData& aHd, CExifRead* aReader ); |
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122 |
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123 static void ReadFocalLength35mmL( CHarvestData& aHd, CExifRead* aReader ); |
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124 |
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125 static void ReadFocalXPlaneResolutionL( CHarvestData& aHd, CExifRead* aReader ); |
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126 |
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127 static void ReadFocalYPlaneResolutionL( CHarvestData& aHd, CExifRead* aReader ); |
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128 |
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129 static void ReadGPSLatitudeL( CHarvestData& aHd, CExifRead* aReader, TBool& aLatitude ); |
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130 |
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131 static void ReadGPSLongitudeL( CHarvestData& aHd, CExifRead* aReader, TBool& aLatitude ); |
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132 |
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133 static void ReadGPSAltitudeL( CHarvestData& aHd, CExifRead* aReader ); |
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134 |
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135 private: |
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136 |
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137 /** Pointer to mde session to use */ |
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138 CMdESession* iSession; |
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139 |
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140 /** Mde default namespace. NOT OWN. */ |
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141 CMdENamespaceDef* iDefaultNamespace; |
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142 |
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143 |
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144 |
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145 }; |
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146 |
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147 #endif // HARVESTEREXIFUTIL_H |
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148 |