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1 /* |
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2 * Copyright (c) 2005 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: |
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15 * Messaging Image Info class. |
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16 * |
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17 */ |
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18 |
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19 |
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20 |
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21 // ========== INCLUDE FILES ================================ |
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22 |
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23 #include <e32std.h> |
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24 |
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25 #include <imageconversion.h> // CImageDecoder |
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26 #include <icl/imagedata.h> // TFrameInfo |
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27 |
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28 #include "MsgImageInfo.h" |
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29 #include "MsgMediaInfo.h" |
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30 #include "MsgMedia.hrh" |
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31 |
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32 // ========== EXTERNAL DATA STRUCTURES ===================== |
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33 |
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34 // ========== EXTERNAL FUNCTION PROTOTYPES ================= |
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35 |
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36 // ========== CONSTANTS ==================================== |
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37 |
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38 // ========== MACROS ======================================= |
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39 |
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40 // ========== LOCAL CONSTANTS AND MACROS =================== |
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41 |
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42 // ========== MODULE DATA STRUCTURES ======================= |
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43 |
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44 // ========== LOCAL FUNCTION PROTOTYPES ==================== |
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45 |
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46 // ========== LOCAL FUNCTIONS ============================== |
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47 |
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48 // ========== MEMBER FUNCTIONS ============================= |
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49 |
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50 // --------------------------------------------------------- |
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51 // CMsgImageInfo::NewL |
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52 // |
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53 // Factory method. |
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54 // --------------------------------------------------------- |
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55 // |
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56 EXPORT_C CMsgImageInfo* CMsgImageInfo::NewL( RFile& aFile, TDataType& aMimeType ) |
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57 { |
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58 CMsgImageInfo* self = new ( ELeave ) CMsgImageInfo( aMimeType ); |
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59 CleanupStack::PushL( self ); |
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60 self->ConstructL( aFile ); |
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61 CleanupStack::Pop( self ); |
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62 return self; |
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63 } |
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64 |
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65 // --------------------------------------------------------- |
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66 // CMsgImageInfo::CMsgImageInfo |
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67 // |
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68 // Constructor. |
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69 // --------------------------------------------------------- |
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70 // |
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71 CMsgImageInfo::CMsgImageInfo( TDataType& aMimeType ) : |
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72 CMsgMediaInfo( aMimeType, EMsgMediaImage ), |
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73 iDelay( 0 ), |
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74 iFrames( 0 ), |
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75 iBitsPerPixel( 0 ), |
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76 iOverallSizeInPixels( 0, 0 ), |
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77 iFrameFlags( 0 ) |
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78 { |
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79 } |
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80 |
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81 |
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82 // --------------------------------------------------------- |
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83 // CMsgImageInfo::CMsgImageInfo |
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84 // |
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85 // Destructor. |
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86 // --------------------------------------------------------- |
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87 // |
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88 CMsgImageInfo::~CMsgImageInfo() |
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89 { |
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90 } |
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91 |
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92 // --------------------------------------------------------- |
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93 // CMsgImageInfo::ConstructL |
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94 // |
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95 // 2nd phase constructor. |
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96 // --------------------------------------------------------- |
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97 // |
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98 void CMsgImageInfo::ConstructL( RFile& aFile ) |
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99 { |
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100 CMsgMediaInfo::ConstructL( aFile ); |
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101 } |
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102 |
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103 // ----------------------------------------------------------------------------- |
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104 // CMsgImageInfo::DoCancel |
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105 // |
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106 // ----------------------------------------------------------------------------- |
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107 // |
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108 void CMsgImageInfo::DoCancel() |
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109 { |
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110 CMsgMediaInfo::DoCancel(); |
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111 } |
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112 |
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113 // ----------------------------------------------------------------------------- |
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114 // CMsgImageInfo::RunL |
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115 // |
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116 // ----------------------------------------------------------------------------- |
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117 // |
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118 void CMsgImageInfo::RunL() |
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119 { |
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120 iParseError = iStatus.Int(); |
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121 if ( !iParseError ) |
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122 { |
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123 FreezeRights(); |
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124 ResolveImageInfoL( iFile ); |
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125 iParsed = ETrue; |
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126 } |
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127 CompleteObserver(); |
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128 } |
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129 |
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130 // --------------------------------------------------------- |
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131 // CMsgImageInfo::ResolveImageInfoL |
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132 // |
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133 // --------------------------------------------------------- |
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134 // |
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135 void CMsgImageInfo::ResolveImageInfoL( RFile& aFile ) |
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136 { |
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137 CImageDecoder* imageDecoder |
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138 = CImageDecoder::FileNewL( aFile, ContentAccess::EPeek ); |
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139 |
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140 // If we survive from this we have legal imagefile. Thus no need to further checking. |
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141 |
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142 // Information of first (or only) frame |
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143 TFrameInfo frameInfo = imageDecoder->FrameInfo(); |
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144 |
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145 iFrames = imageDecoder->FrameCount(); |
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146 |
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147 iBitsPerPixel = frameInfo.iBitsPerPixel; |
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148 iOverallSizeInPixels = frameInfo.iOverallSizeInPixels; |
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149 |
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150 //iFrameFlags = frameInfo.iFlags; |
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151 if ( frameInfo.iFlags & TFrameInfo::EFullyScaleable ) |
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152 { |
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153 iFrameFlags |= EFullyScalable; |
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154 } |
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155 if ( frameInfo.iFlags & TFrameInfo::ETransparencyPossible ) |
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156 { |
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157 iFrameFlags |= ETransparent; |
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158 } |
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159 |
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160 if ( iFrames > 1 ) |
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161 { |
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162 iDelay = I64INT( frameInfo.iDelay.Int64() / 1000 ); |
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163 for ( TInt frame = 0; frame < iFrames ; frame++ ) |
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164 { |
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165 frameInfo = imageDecoder->FrameInfo( frame ); |
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166 TInt delay = I64INT( frameInfo.iDelay.Int64() / 1000 ); |
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167 iDuration += delay; |
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168 } |
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169 } |
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170 else |
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171 { |
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172 iDelay = 0; |
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173 iDuration = 0; |
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174 } |
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175 delete imageDecoder; |
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176 } |