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1 // Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Not for public use |
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15 // Abstract relay between Image{Decoder,Encoder} and Priv object - will shield any threads |
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16 // |
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17 // |
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18 |
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19 #ifndef __IMAGESTRAIGHTRELAY_H__ |
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20 #define __IMAGESTRAIGHTRELAY_H__ |
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21 |
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22 #include <caf/caf.h> |
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23 using namespace ContentAccess; |
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24 |
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25 #include "icl/ImageCodec.h" |
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26 #include "icl/ImageData.h" |
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27 #include "ImageRelay.h" |
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28 #include "ImageConversion.h" |
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29 #include "icl/imageconversionextension.h" |
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30 |
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31 class CImageDecoderPriv; |
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32 class CImageEncoderPriv; |
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33 |
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34 // Direct relay between CImageDecoder and CImageDecoderPriv |
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35 class CImageDecoderStraightRelay; // declared here |
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36 NONSHARABLE_CLASS( CImageDecoderStraightRelay ): public CBase, |
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37 public MImageDecoderRelay, |
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38 public MImageDecoderPrivSupport |
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39 { |
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40 public: |
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41 static CImageDecoderStraightRelay* NewL(CImageDecodeConstruct *aConstruct); |
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42 ~CImageDecoderStraightRelay(); |
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43 |
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44 // from MDecoderRelay |
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45 void Cancel(); |
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46 |
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47 void SetFileL(RFs& aFs, const TDesC& aSourceFilename, const CImageDecoder::TOptions aOptions = CImageDecoder::EOptionNone); |
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48 void SetFileL(RFile& name, const CImageDecoder::TOptions aOptions = CImageDecoder::EOptionNone); |
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49 void SetDataL(RFs& aFs, const TDesC8& aSourceData, const CImageDecoder::TOptions aOptions = CImageDecoder::EOptionNone); |
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50 |
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51 CImageDecoderPlugin* Plugin() const; |
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52 |
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53 void HandleNewlyOpenedImageL(); |
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54 |
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55 void Convert(TRequestStatus* aRequestStatus, CFbsBitmap& aDestination, TInt aFrameNumber); |
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56 void Convert(TRequestStatus* aRequestStatus, CFbsBitmap& aDestination, CFbsBitmap& aDestinationMask, TInt aFrameNumber = 0); |
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57 void ContinueConvert(TRequestStatus* aRequestStatus); |
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58 |
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59 void ContinueProcessingHeaderL(); |
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60 |
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61 const TFrameInfo& FrameInfo(TInt aFrameNumber) const; |
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62 CFrameInfoStrings* FrameInfoStringsLC(TInt aFrameNumber); |
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63 |
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64 TUid ImplementationUid() const; |
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65 |
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66 TInt FrameCount() const; |
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67 TBool IsImageHeaderProcessingComplete() const; |
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68 const CFrameImageData& FrameData(TInt aFrameNumber) const; |
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69 |
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70 TInt NumberOfImageComments() const; |
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71 HBufC* ImageCommentL(TInt aCommentNumber) const; |
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72 TInt NumberOfFrameComments(TInt aFrameNumber) const; |
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73 HBufC* FrameCommentL(TInt aFrameNumber, TInt aCommentNumber) const; |
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74 |
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75 void CustomSyncL(TInt aParam); |
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76 void CustomAsync(TRequestStatus* aRequestStatus, TInt aParam); |
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77 |
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78 void TransferConstructOwnership(); |
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79 |
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80 void SetImageTypeL(TInt aImageType); |
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81 |
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82 // from MImageDecoderPrivSupport |
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83 TBool MustUseBufferWithDescriptor() const; |
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84 void CopyBufferToDescriptor(TDes8& aBuffer, const TDesC8& aSource, TInt aPosition, TInt aSize); |
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85 TBool AmInThread() const; |
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86 TBool ShouldAbort() const; |
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87 void Lock(); |
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88 void Unlock(); |
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89 void SaveFrameCount(TInt aFrameCount); |
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90 |
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91 // from MImageDecoderRelay |
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92 void SetIntent(TIntent aIntent); |
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93 void SetUniqueIdL(const TDesC& aUniqueId); |
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94 TInt SetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue); |
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95 |
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96 TInt ReductionFactor(const TSize& aOriginalSize, const TSize& aReducedSize) const; |
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97 TInt ReducedSize(const TSize& aOriginalSize, TInt aReductionFactor, TSize& aReducedSize) const; |
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98 |
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99 TInt SetDecoderThreadPriority(TThreadPriority aPriority); |
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100 |
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101 void GetExtensionL(TUid aExtUid, MImageConvExtension*& aExtPtr); |
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102 void SetClippingRectL(const TRect* aClipRect); |
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103 TInt GetDestinationSize(TSize& aSize, TInt aFrameNumber = 0); |
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104 CImageConvExtensionCache& ExtensionCache(); |
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105 |
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106 protected: |
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107 CImageDecoderStraightRelay(CImageDecodeConstruct* aConstruct); |
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108 void ConstructL(); |
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109 |
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110 private: |
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111 CImageDecodeConstruct* iConstruct; |
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112 TBool iOwnConstruct; |
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113 CImageDecoderPriv* iBody; |
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114 RThread iMyThread; |
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115 CImageConvExtensionCache* iExtensionCache; |
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116 }; |
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117 |
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118 // Straight relay between CImageEncoder and CImageEncoderPriv |
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119 class CImageEncoderStraightRelay; // declared here |
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120 NONSHARABLE_CLASS( CImageEncoderStraightRelay ): public CBase, |
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121 public MImageEncoderRelay, |
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122 public MImageEncoderPrivSupport |
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123 { |
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124 public: |
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125 static CImageEncoderStraightRelay* NewL(CImageEncodeConstruct* aConstruct); |
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126 ~CImageEncoderStraightRelay(); |
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127 |
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128 // from MEncoderRelay |
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129 void Cancel(); |
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130 |
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131 void SetFileL(RFs& aFs, const TDesC& aDestinationFilename, const CImageEncoder::TOptions aOptions); |
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132 void SetFileL(RFile& name, const CImageEncoder::TOptions aOptions); |
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133 void SetDataL(HBufC8*& aDestinationData, const CImageEncoder::TOptions aOptions); |
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134 |
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135 CImageEncoderPlugin* Plugin() const; |
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136 |
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137 void Convert(TRequestStatus* aRequestStatus, const CFbsBitmap& aSource, const CFrameImageData* aFrameImageData); |
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138 |
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139 TUid ImplementationUid() const; |
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140 |
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141 void CustomSyncL(TInt aParam); |
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142 void CustomAsync(TRequestStatus* aRequestStatus, TInt aParam); |
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143 |
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144 void TransferConstructOwnership(); |
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145 |
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146 void GetExtensionL(TUid aExtUid, MImageConvExtension*& aExtPtr); |
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147 CImageConvExtensionCache& ExtensionCache(); |
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148 |
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149 // from MImageEncoderPrivSupport |
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150 TBool AmInThread() const; |
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151 TBool ShouldAbort() const; |
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152 |
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153 void SetThumbnail(TBool aDoGenerateThumbnail); |
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154 |
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155 TInt SetEncoderThreadPriority(TThreadPriority aPriority); |
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156 |
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157 protected: |
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158 CImageEncoderStraightRelay(CImageEncodeConstruct* aConstruct); |
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159 void ConstructL(); |
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160 |
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161 private: |
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162 CImageEncodeConstruct* iConstruct; |
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163 TBool iOwnConstruct; |
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164 CImageEncoderPriv* iBody; |
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165 RThread iMyThread; |
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166 CImageConvExtensionCache* iExtensionCache; |
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167 }; |
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168 |
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169 #endif // __IMAGESTRAIGHTRELAY_H__ |
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170 |