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1 /* |
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2 * Copyright (c) 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: Juha Kauppinen, Mika Hokkanen |
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13 * |
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14 * Description: Photo Browser |
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15 * |
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16 */ |
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17 |
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18 #ifndef __IETNGENERATORAO_H__ |
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19 #define __IETNGENERATORAO_H__ |
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20 |
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21 #include <e32base.h> |
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22 #include <f32file.h> |
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23 #include <BitmapTransforms.h> |
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24 #include <ImageConversion.h> |
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25 |
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26 #include "IEBgpServerSession.h" |
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27 #include <IEBgpsInfo.h> |
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28 #include <ICLExif.h> |
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29 #include <exifmodify.h> |
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30 #include <exifread.h> |
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31 #include "debug.h" |
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32 |
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33 class CImageDecoder; |
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34 class CFbsBitmap; |
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35 |
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36 //#define USE_EXT_JPEG_DEC |
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37 |
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38 #ifdef USE_EXT_JPEG_DEC |
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39 class CExtJpegDecoder; |
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40 #endif |
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41 |
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42 |
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43 #define DECODE_FROM_BUFFER |
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44 |
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45 // CONSTANTS |
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46 const TInt KMimeStringLength = 256; |
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47 |
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48 class CIETNGeneratorAO : public CActive |
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49 { |
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50 public: |
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51 static CIETNGeneratorAO* NewL(RFs& aFileServer, MIEThumbNailObserver &aObserver); |
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52 virtual ~CIETNGeneratorAO(); |
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53 |
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54 private: |
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55 void ConstructL(); |
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56 |
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57 CIETNGeneratorAO(RFs& aFileServer, MIEThumbNailObserver &aObserver); |
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58 |
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59 |
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60 protected: // Type declarations |
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61 enum TIETNConvertStatus |
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62 { |
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63 ENone = 0, |
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64 EDecoding, |
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65 EScaling, |
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66 EEncoding, |
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67 EReady |
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68 }; |
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69 |
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70 public: |
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71 |
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72 void SetImageArray( RArray<CImageData*> aImageArray); |
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73 void CancelOutStaningRequests(); |
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74 void DeleteObjects(); |
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75 void CancelRequestsAndDeleteObjects(); |
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76 |
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77 public: // From CActive |
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78 void RunL(); |
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79 void DoCancel(); |
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80 TInt RunError(TInt aError); |
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81 |
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82 public: // Other public functions |
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83 |
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84 RArray<CImageData*> iImageArray; |
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85 void CreateThumbnailL(const TDes& aSourceFile, const TDes& aThumbnailFile, const TSize &aSize); |
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86 void CreateThumbnailL(const TDes& aSourceFile, const TDes& aThumbnailFile, const TSize &aSize, CFbsBitmap* a512x512TnBitmap); |
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87 |
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88 |
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89 private: |
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90 void SetJpegImageDataL(); |
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91 void WriteExifDataL(const TDes &aFilename, TSize aSize); |
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92 void DecodeL(); |
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93 void EncodeL(); |
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94 void ScaleL(); |
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95 void TargetDecodingSize(const TSize aTgtSize, TSize& aSrcSize); |
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96 TBool IsLargeThumbnail(const TSize& aResolution) const; |
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97 TBool IsJPEG(const TSize& aResolution) const; |
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98 |
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99 private: |
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100 |
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101 RFs& iFileServer; |
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102 #ifdef USE_EXT_JPEG_DEC |
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103 CExtJpegDecoder* iImageDecoder; |
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104 #else |
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105 CImageDecoder* iImageDecoder; |
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106 #endif |
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107 CImageEncoder* iImageEncoder; |
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108 CFbsBitmap* iBitmap; |
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109 CBitmapScaler* iBitmapScaler; |
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110 TIETNConvertStatus iConvertStatus; /** Convert status */ |
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111 MIEThumbNailObserver& iThumbnailObserver; |
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112 TFileName iSourceFileName; |
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113 TFileName iThumbnailFileName; |
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114 TBuf8<KMimeStringLength> iMimeString; /** The source file Mime-string */ |
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115 TSize iSourceSize; |
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116 CFrameImageData* iFrameImageData; |
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117 TSize iThumbnailSize; |
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118 TTime iSourceTime; /** Source file time */ |
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119 TInt iError; |
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120 CFbsBitmap* i512x512TnBitmap; |
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121 TUid decoderUid; |
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122 |
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123 #ifdef DECODE_FROM_BUFFER |
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124 HBufC8* iSourceData; |
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125 #endif |
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126 |
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127 }; |
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128 |
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129 |
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130 #endif |