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1 /* |
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2 * Copyright (c) 2010 Ixonos Plc. |
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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 the "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 * Ixonos Plc |
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14 * |
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15 * Description: |
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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 #ifndef JPEGROTATORIMPL_H |
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21 #define JPEGROTATORIMPL_H |
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22 |
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23 |
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24 // INCLUDES |
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25 #include "JpegRotator.h" |
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26 #include "MJpRotateCallBack.h" |
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27 |
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28 // debug log writer |
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29 //#include "imageeditordebugutils.h" |
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30 |
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31 // CONSTANTS |
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32 |
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33 // FORWARD DECLARATIONS |
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34 |
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35 class CJpRotate; |
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36 |
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37 /* CLASS: CJpegRotatorImpl |
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38 * |
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39 * CJpegRotatorImpl |
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40 * Internal representation of CJpegRotator |
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41 * |
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42 */ |
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43 class CJpegRotatorImpl : public CBase, public MJpRotateCallBack |
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44 { |
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45 |
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46 public: |
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47 |
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48 /** @name Methods:*/ |
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49 //@{ |
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50 |
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51 /** NewL factory method, pops cleanup stack |
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52 * |
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53 * @param - aFsSession |
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54 * @return pointer to created CJpegRotatorImpl object |
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55 */ |
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56 static CJpegRotatorImpl * NewL (RFs& aFsSession); |
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57 |
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58 /** Destructor |
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59 * |
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60 * @param - |
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61 * @return - |
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62 */ |
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63 ~CJpegRotatorImpl (); |
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64 |
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65 /** PrepareRotateFileL |
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66 * |
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67 * @param aRotationMode - |
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68 * @param aSourceFileName - |
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69 * @param aTargetFileName - |
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70 * @param aHandleExifData - |
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71 * @return - |
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72 */ |
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73 void PrepareRotateFileL ( |
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74 const TDesC& aSourceFileName, |
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75 const TDesC& aTargetFileName, |
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76 CJpegRotator::TRotationMode aRotationMode, |
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77 TBool aHandleExifData |
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78 ); |
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79 |
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80 /** Start asynchronous rotate |
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81 * |
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82 * @param - aStatus |
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83 * @param - aStatus |
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84 */ |
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85 void StartAsyncRotate (TRequestStatus& aStatus, TBool aForceLossyMode); |
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86 |
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87 /** Start asynchronous rotate |
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88 * |
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89 * @param - aStatus |
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90 */ |
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91 void StartAsyncLosslessRotate (TRequestStatus& aStatus); |
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92 |
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93 /** Finish asynchronous rotate |
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94 * |
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95 * @param - aError |
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96 * @return - |
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97 */ |
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98 void FinishAsyncRotate (TInt aError); |
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99 |
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100 /** IsLosslessRotatePossible |
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101 * |
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102 * Check if the image dimensions are suitable for the use of |
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103 * rajpeg lossless rotate (divisible by 8) |
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104 */ |
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105 TBool IsLosslessRotatePossible() const; |
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106 |
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107 |
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108 /** Cancel |
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109 * |
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110 * Set cancel flag. |
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111 */ |
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112 void Cancel (); |
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113 |
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114 /** SetExifData |
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115 * |
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116 * @see MImageEditorExifHandlerObserver |
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117 */ |
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118 void SetExifData (TUint8* aExifData, TUint aDataSize); |
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119 |
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120 /** GetThumbnailImageL |
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121 * |
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122 * @see MImageEditorExifHandlerObserver |
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123 */ |
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124 void GetThumbnailImageL ( |
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125 TUint8*& aThumbnailData, |
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126 TUint& aDataSize, |
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127 const TSize& aThumbnailResolution |
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128 ); |
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129 |
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130 /** SetJpegCommentL |
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131 * |
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132 * @see MImageEditorExifHandlerObserver |
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133 */ |
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134 void SetJpegCommentL (const TDesC8& aComment); |
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135 |
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136 /** GetOutputImageSize |
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137 * |
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138 * @see MImageEditorExifHandlerObserver |
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139 */ |
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140 void GetOutputImageSize ( TInt& aWidth, TInt& aHeight ) const; |
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141 |
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142 /** JpRotateStatus |
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143 * |
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144 * @see MJpRotateCallBack |
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145 */ |
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146 void JpRotateStatus( TInt aCount, TInt aTotal ); |
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147 |
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148 //@} |
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149 |
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150 protected: |
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151 |
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152 /** @name Methods:*/ |
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153 //@{ |
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154 |
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155 //@} |
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156 |
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157 private: |
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158 |
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159 /** @name Methods:*/ |
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160 //@{ |
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161 |
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162 /** Default constructor |
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163 * |
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164 * @param - aFsSession |
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165 * @return - |
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166 */ |
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167 CJpegRotatorImpl (RFs& aFsSession); |
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168 |
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169 /** Second phase constructor, may leave |
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170 * |
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171 * @param - |
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172 * @return - |
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173 */ |
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174 void ConstructL (); |
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175 |
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176 /** Cleanup |
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177 * |
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178 * @param - |
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179 * @return - |
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180 */ |
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181 void Cleanup (); |
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182 |
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183 /** AsyncRotate |
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184 * |
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185 * @param - |
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186 * @return - |
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187 */ |
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188 static TInt AsyncRotate (TAny* aThis); |
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189 |
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190 /** AsyncLosslessRotate |
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191 * |
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192 * @param - |
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193 * @return - |
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194 */ |
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195 static TInt AsyncLosslessRotate (TAny* aThis); |
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196 |
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197 /** DoRotateL |
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198 * |
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199 * @param - |
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200 * @return - |
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201 */ |
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202 void DoRotateL (); |
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203 |
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204 /** DoLosslessRotateL |
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205 * |
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206 * @param - |
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207 * @return - |
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208 */ |
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209 void DoLosslessRotateL (); |
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210 |
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211 /** GetSourceImagePropertiesL |
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212 * |
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213 * @param - |
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214 * @return - |
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215 */ |
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216 void GetSourceImagePropertiesL ( const TDesC& aFileName ); |
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217 |
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218 /** PostRotate |
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219 * |
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220 */ |
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221 void PostRotate (); |
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222 |
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223 //@} |
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224 |
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225 /** @name Members:*/ |
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226 //@{ |
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227 |
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228 /// File Server session handle |
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229 RFs& iFsSession; |
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230 |
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231 /// Source and target files |
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232 TFileName iSourceFileName; |
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233 TFileName iTargetFileName; |
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234 |
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235 /// Current rotate mode |
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236 TInt iRotationMode; |
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237 |
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238 /// Rotator |
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239 CJpRotate* iRotator; |
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240 |
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241 /// Do we update EXIF data or not? |
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242 TBool iHandleExifData; |
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243 |
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244 /// Quality factor of the original image |
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245 TUint iOriginalJpegQualityFactor; |
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246 |
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247 /// Size of the source image |
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248 TSize iSourceImageSize; |
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249 |
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250 /// |
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251 TRequestStatus * iCallerStatus; |
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252 |
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253 /// |
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254 CAsyncCallBack * iCallBack; |
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255 |
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256 /// |
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257 TCallBack iCb; |
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258 |
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259 /// Lossless mode |
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260 TBool iLosslessMode; |
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261 |
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262 /// Cancel flag |
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263 TBool iCancelled; |
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264 |
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265 #if defined (LOG_TIMING) |
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266 TTime iStartTime; |
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267 TTime iSavingStartTime; |
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268 TTime iFinishTime; |
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269 #endif |
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270 |
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271 |
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272 //@} |
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273 |
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274 }; |
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275 |
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276 #endif |
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277 |
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278 |
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279 // End of File |