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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 // Include files |
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18 #include <hal.h> |
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19 #include "IEBitmapLoader.h" |
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20 #include "IEFileLoader.h" |
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21 #include "IEEngineUtils.h" |
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22 |
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23 _LIT8(KMimeMbm, "image/x-epoc-mbm"); |
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24 _LIT8(KMimeJpeg, "image/jpeg"); |
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25 |
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26 #define USE_EXIF_TN |
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27 #define USE_EXIF_TN_CROP |
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28 //#define USE_EXIF_TN_EXT_CROP |
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29 |
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30 #ifdef USE_EXIF_TN |
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31 #include <iclextjpegapi.h> // For CExtJpegDecoder |
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32 #endif |
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33 |
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34 const TInt KMemoryThresholdForSuperZoom = 12*1024; |
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35 |
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36 |
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37 // ============================ MEMBER FUNCTIONS =========================== \\ |
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38 |
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39 CIEBitmapLoader* CIEBitmapLoader::NewL(RFs& aFileServer, MBitmapLoaderObserver& aBitmapLoaderObserver, RCriticalSection* aCritical) |
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40 { |
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41 CIEBitmapLoader* self = new (ELeave) CIEBitmapLoader(aFileServer, aBitmapLoaderObserver, aCritical); |
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42 CleanupStack::PushL(self); |
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43 self->ConstructL(); |
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44 CleanupStack::Pop(); |
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45 return self; |
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46 } |
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47 |
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48 CIEBitmapLoader::~CIEBitmapLoader() |
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49 { |
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50 DP0_IMAGIC(_L("CIEBitmapLoader::~CIEBitmapLoader++")); |
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51 if(iImageDecoder) |
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52 { |
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53 iImageDecoder->Cancel(); |
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54 delete iImageDecoder; |
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55 iImageDecoder = NULL; |
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56 } |
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57 |
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58 if (iExifBitmap) |
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59 { |
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60 delete iExifBitmap; |
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61 iExifBitmap = NULL; |
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62 } |
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63 #ifdef DECODE_FROM_BUFFER |
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64 if(iSourceData) |
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65 { |
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66 delete iSourceData; |
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67 iSourceData = NULL; |
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68 } |
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69 #endif |
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70 DP0_IMAGIC(_L("CIEBitmapLoader::~CIEBitmapLoader--")); |
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71 } |
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72 |
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73 CIEBitmapLoader::CIEBitmapLoader(RFs& aFileServer, MBitmapLoaderObserver& aBitmapLoaderObserver, RCriticalSection* aCritical) |
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74 //:CActive(EPriorityLow), |
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75 :CActive(EPriorityStandard), |
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76 //:CActive(EPriorityUserInput), |
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77 //:CActive(CActive::EPriorityHigh), |
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78 iFileServer(aFileServer), |
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79 iBitmapLoaderObserver(aBitmapLoaderObserver), |
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80 #ifdef DECODE_FROM_BUFFER |
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81 iSourceData(NULL), |
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82 #endif |
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83 iCritical(aCritical) |
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84 { |
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85 } |
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86 |
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87 void CIEBitmapLoader::ConstructL() |
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88 { |
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89 CActiveScheduler::Add(this); |
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90 iExifTn = NULL; |
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91 iImageDecoder = NULL; |
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92 iImageArrayMode = EImages; |
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93 iOutputBitmap = NULL; |
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94 iExifBitmap = NULL; |
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95 #ifdef GET_DECODER_UID |
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96 decoderUid = CIEEngineUtils::GetImageDecoderUid(); |
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97 #else |
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98 decoderUid = KNullUid; |
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99 #endif |
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100 } |
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101 |
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102 void CIEBitmapLoader::CropImageL(CFbsBitmap* aOutput, CFbsBitmap* aInput) const |
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103 { |
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104 const TInt KMaxScanLine = 320 * 3; |
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105 TSize inputSize = aInput->SizeInPixels(); |
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106 TSize outputSize = aOutput->SizeInPixels(); |
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107 TDisplayMode mode = aOutput->DisplayMode(); |
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108 |
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109 // need to have same display mode and output cannot be bigger |
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110 if (mode != aInput->DisplayMode() || |
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111 outputSize.iWidth > inputSize.iWidth || |
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112 outputSize.iHeight > inputSize.iHeight) |
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113 User::Leave(KErrNotSupported); |
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114 |
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115 TInt len = CFbsBitmap::ScanLineLength(outputSize.iWidth, mode); |
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116 TBuf8<KMaxScanLine> buf; |
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117 if (len > KMaxScanLine) |
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118 { |
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119 User::Leave(KErrOverflow); |
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120 } |
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121 |
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122 TPoint point((inputSize.iWidth - outputSize.iWidth + 1) / 2, |
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123 (inputSize.iHeight - outputSize.iHeight + 1) / 2); |
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124 for (TInt i = 0;i < outputSize.iHeight;i++, point.iY++) |
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125 { |
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126 aInput->GetScanLine(buf, point, outputSize.iWidth, mode); |
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127 aOutput->SetScanLine(buf, i); |
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128 } |
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129 } |
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130 |
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131 void CIEBitmapLoader::RunL() |
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132 { |
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133 DP0_IMAGIC(_L("CIEBitmapLoader::RunL++")); |
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134 |
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135 SetPriority(EPriorityStandard); |
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136 iThumbRes = ENotDefined; |
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137 TInt error = iStatus.Int(); |
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138 |
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139 DP1_IMAGIC(_L("CIEBitmapLoader::RunL - Error: %d"),error); |
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140 |
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141 if(iImageDecoder) |
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142 { |
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143 delete iImageDecoder; |
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144 iImageDecoder = NULL; |
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145 } |
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146 |
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147 #ifdef DECODE_FROM_BUFFER |
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148 if(iSourceData) |
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149 { |
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150 delete iSourceData; |
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151 iSourceData = NULL; |
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152 } |
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153 #endif |
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154 |
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155 #ifdef USE_EXIF_TN |
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156 if (iExifTn) |
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157 { |
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158 delete iExifTn; |
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159 iExifTn = NULL; |
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160 } |
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161 |
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162 if(iUseExifTn && iImageData && error == KErrNone) |
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163 { |
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164 iImageData->SetImageReady(EExifThumb, ETrue); |
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165 |
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166 // Crop exif thumbnail |
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167 if (iExifBitmap && iOutputBitmap) |
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168 { |
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169 TRAP(error, CropImageL(iOutputBitmap, iExifBitmap)); |
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170 } |
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171 } |
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172 |
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173 if (iExifBitmap) |
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174 { |
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175 delete iExifBitmap; |
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176 iExifBitmap = NULL; |
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177 } |
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178 |
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179 iOutputBitmap = NULL; |
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180 #endif |
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181 |
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182 iBitmapLoaderObserver.BitmapsLoadedL(error); |
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183 |
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184 DP0_IMAGIC(_L("CIEBitmapLoader::RunL--")); |
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185 } |
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186 |
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187 void CIEBitmapLoader::DoCancel() |
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188 { |
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189 } |
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190 |
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191 TInt CIEBitmapLoader::RunError(TInt aError) |
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192 { |
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193 DP1_IMAGIC(_L("CIEBitmapLoader::RunError - Error: %d"),aError); |
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194 |
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195 return KErrNone; |
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196 } |
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197 |
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198 void CIEBitmapLoader::GetOneBitmapL(CImageData* aImageData, CFbsBitmap* aBitmap, TThumbSize aThumbRes) |
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199 { |
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200 DP0_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL++")); |
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201 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - TN res: %d"), aThumbRes); |
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202 |
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203 ASSERT(iImageDecoder == NULL); |
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204 |
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205 iThumbRes = aThumbRes; |
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206 TBool thumbnailExists = ETrue; |
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207 //TBool isFileJpg = ETrue; |
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208 iUseExifTn = EFalse; |
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209 iImageData = aImageData; |
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210 iOutputBitmap = aBitmap; |
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211 |
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212 #ifdef USE_EXIF_TN |
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213 CExtJpegDecoder* extImageDecoder = NULL; |
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214 #endif |
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215 |
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216 TFileName fileName; |
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217 if(aThumbRes == EFullSize) |
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218 { |
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219 if(iImageData->IsImageReady(EFullSize)) |
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220 { |
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221 //SetPriority(EPriorityUserInput); |
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222 iImageData->GetFileName(fileName, EFullSize); |
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223 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - filename: %S"), &fileName); |
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224 } |
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225 else |
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226 { |
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227 //If TN is not ready we just return |
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228 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - TN res: %d, not found"), aThumbRes); |
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229 thumbnailExists = EFalse; |
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230 //iBitmapLoaderObserver.BitmapsLoadedL(KErrNotFound); |
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231 User::Leave(KErrNotFound); |
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232 return; |
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233 } |
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234 } |
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235 else if(aThumbRes == ESize128x128) |
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236 { |
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237 #ifdef USE_64X64_BITMAP_TN |
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238 //isFileJpg = EFalse; |
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239 iImageData->GetFileName(fileName, ESize128x128); |
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240 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - filename: %S"), &fileName); |
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241 TInt error = aBitmap->Load(fileName); |
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242 if (error == KErrNone) |
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243 { |
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244 SetPriority(EPriorityUserInput); |
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245 SetActive(); |
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246 TRequestStatus* status = &iStatus; |
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247 User::RequestComplete(status, KErrNone); |
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248 return; |
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249 } |
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250 |
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251 #ifdef USE_EXIF_TN |
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252 else if(iImageData->IsImageReady(EFullSize)) |
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253 { |
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254 iUseExifTn = ETrue; |
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255 iImageData->GetFileName(fileName, EFullSize); |
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256 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - filename: %S"), &fileName); |
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257 } |
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258 #endif |
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259 else |
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260 { |
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261 //If TN is not ready we just return |
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262 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - TN res: %d, not found"), aThumbRes); |
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263 thumbnailExists = EFalse; |
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264 iImageData->SetImageReady(EExifThumb, EFalse); |
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265 User::Leave(KErrNotFound); |
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266 return; |
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267 } |
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268 #else |
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269 if(iImageData->IsImageReady(ESize128x128)) |
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270 { |
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271 SetPriority(EPriorityUserInput); |
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272 //isFileJpg = EFalse; |
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273 iImageData->GetFileName(fileName, ESize128x128); |
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274 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - filename: %S"), &fileName); |
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275 } |
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276 #ifdef USE_EXIF_TN |
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277 //else if(iImageData->IsImageReady((TThumbSize)(EFullSize|EExifThumb))) |
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278 else if(iImageData->IsImageReady(EExifThumb)) |
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279 { |
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280 SetPriority(EPriorityUserInput); |
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281 iUseExifTn = ETrue; |
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282 iImageData->GetFileName(fileName, EFullSize); |
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283 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - filename: %S"), &fileName); |
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284 } |
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285 #endif |
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286 else |
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287 { |
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288 //If TN is not ready we just return |
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289 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - TN res: %d, not found"), aThumbRes); |
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290 |
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291 thumbnailExists = EFalse; |
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292 iImageData->SetImageReady(EExifThumb, EFalse); |
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293 //iBitmapLoaderObserver.BitmapsLoadedL(KErrNotFound); |
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294 User::Leave(KErrNotFound); |
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295 return; |
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296 } |
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297 #endif |
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298 } |
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299 |
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300 else if(aThumbRes == ESize512x512) |
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301 { |
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302 if(iImageData->IsImageReady(ESize512x512)) |
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303 { |
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304 iImageData->GetFileName(fileName, ESize512x512); |
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305 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - filename: %S"), &fileName); |
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306 } |
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307 else |
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308 { |
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309 //If TN is not ready we just return |
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310 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - TN res: %d, not found"), aThumbRes); |
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311 thumbnailExists = EFalse; |
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312 iImageData->SetImageReady(EExifThumb, EFalse); |
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313 User::Leave(KErrNotFound); |
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314 return; |
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315 } |
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316 } |
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317 else if(aThumbRes == ESize32x32) |
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318 { |
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319 if(iImageData->IsImageReady(ESize32x32)) |
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320 { |
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321 //isFileJpg = EFalse; |
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322 iImageData->GetFileName(fileName, ESize32x32); |
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323 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - filename: %S"), &fileName); |
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324 TInt error = aBitmap->Load(fileName); |
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325 if (error == KErrNone) |
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326 { |
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327 SetPriority(EPriorityUserInput); |
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328 SetActive(); |
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329 TRequestStatus* status = &iStatus; |
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330 User::RequestComplete(status, KErrNone); |
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331 return; |
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332 } |
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333 } |
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334 #ifdef USE_EXIF_TN |
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335 else if(iImageData->IsImageReady(EFullSize)) |
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336 { |
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337 iUseExifTn = ETrue; |
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338 iImageData->GetFileName(fileName, EFullSize); |
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339 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - filename: %S"), &fileName); |
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340 } |
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341 #endif |
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342 else |
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343 { |
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344 //If TN is not ready we just return |
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345 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - TN res: %d, not found"), aThumbRes); |
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346 thumbnailExists = EFalse; |
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347 iImageData->SetImageReady(EExifThumb, EFalse); |
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348 User::Leave(KErrNotFound); |
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349 return; |
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350 } |
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351 } |
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352 |
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353 if(thumbnailExists) |
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354 { |
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355 TInt error = KErrNone; |
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356 |
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357 #ifdef USE_EXIF_TN |
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358 if (iUseExifTn) |
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359 { |
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360 ASSERT(iExifTn == NULL); |
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361 TRAP(error, iExifTn = CIEEngineUtils::ReadExifThumbnailL(iFileServer, fileName)); |
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362 |
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363 DP0_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - create decoder")); |
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364 if (error == KErrNone) |
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365 { |
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366 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL data size: %d"), iExifTn->Length()); |
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367 TRAP(error, extImageDecoder = CExtJpegDecoder::DataNewL(iFileServer, *iExifTn, /*KMimeJpeg,*/ CImageDecoder::EOptionNone)); |
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368 iImageDecoder = extImageDecoder; |
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369 } |
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370 else |
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371 { |
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372 DP0_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - no exif thumb")); |
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373 iImageData->SetImageReady(EExifThumb, EFalse); |
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374 } |
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375 |
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376 DP2_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - Image exif thumb decoder - TN res: %d, error: %d"), aThumbRes, error); |
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377 } |
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378 else |
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379 #endif |
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380 { |
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381 DP0_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - create decoder")); |
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382 /*CExtJpegDecoder * extImageDecoder; |
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383 TRAP(error, iImageDecoder = extImageDecoder = CExtJpegDecoder::FileNewL( |
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384 CExtJpegDecoder::EHwImplementation, |
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385 iFileServer, |
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386 fileName, |
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387 CImageDecoder::EPreferFastDecode));*/ |
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388 #ifdef DECODE_FROM_BUFFER |
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389 if(iSourceData) |
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390 { |
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391 delete iSourceData; |
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392 iSourceData = NULL; |
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393 } |
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394 |
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395 RFile jpgFile; |
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396 TInt fileSize; |
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397 |
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398 User::LeaveIfError(jpgFile.Open(iFileServer, fileName, EFileRead)); |
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399 jpgFile.Size(fileSize); |
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400 iSourceData = HBufC8::NewL(fileSize); |
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401 |
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402 TPtr8 buffer = iSourceData->Des(); |
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403 |
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404 jpgFile.Read(buffer, fileSize); |
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405 |
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406 jpgFile.Close(); |
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407 |
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408 iImageDecoder = CImageDecoder::DataNewL( |
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409 iFileServer, |
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410 *iSourceData, |
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411 //CImageDecoder::EOptionNone, |
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412 CImageDecoder::TOptions(CImageDecoder::EPreferFastDecode|CImageDecoder::EOptionAlwaysThread), |
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413 KNullUid, |
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414 KNullUid, |
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415 decoderUid); |
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416 #else |
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417 TRAP(error, iImageDecoder = CImageDecoder::FileNewL( |
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418 iFileServer, |
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419 fileName, |
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420 //CImageDecoder::EPreferFastDecode, |
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421 CImageDecoder::TOptions(CImageDecoder::EPreferFastDecode|CImageDecoder::EOptionAlwaysThread), |
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422 KNullUid, |
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423 KNullUid, |
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424 decoderUid)); |
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425 #endif |
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426 } |
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427 |
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428 if(error != KErrNone) |
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429 { |
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430 DP2_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - Image Decoder - TN res: %d, error: %d"), aThumbRes, error); |
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431 delete iImageDecoder; |
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432 iImageDecoder = NULL; |
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433 |
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434 #ifdef USE_EXIF_TN |
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435 if (iExifTn) |
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436 { |
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437 delete iExifTn; |
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438 iExifTn = NULL; |
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439 } |
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440 #endif |
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441 // iBitmapLoaderObserver.BitmapsLoadedL(error); |
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442 User::Leave(error); |
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443 return; |
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444 } |
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445 |
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446 TFrameInfo frameInfo = iImageDecoder->FrameInfo(); |
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447 if(aThumbRes == ESize128x128) |
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448 iImageDecoder->SetDecoderThreadPriority(/*EPriorityNormal*/EPriorityMuchMore); |
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449 else |
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450 iImageDecoder->SetDecoderThreadPriority(EPriorityLess); |
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451 |
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452 |
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453 #ifdef _IMAGIC_DEBUG |
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454 TInt mem = 0; |
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455 TInt ret = HAL::Get(HALData::EMemoryRAMFree, mem); |
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456 #endif |
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457 DP0_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - #1")); |
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458 TSize frameSize = frameInfo.iFrameCoordsInPixels.Size(); |
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459 //If we are loading full resolution image, we have to create smaller target bitmap |
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460 //to save memory and to improve speed of further image processing |
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461 if(aThumbRes == EFullSize) |
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462 { |
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463 TInt mem = 0; |
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464 TInt ret = HAL::Get(HALData::EMemoryRAMFree, mem); |
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465 if(mem < KMemoryThresholdForSuperZoom*1024) |
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466 { |
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467 //User::Leave(KErrNoMemory); |
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468 #ifdef USE_OOM |
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469 ROomMonitorSession oomMonitor; |
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470 oomMonitor.Connect(); |
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471 TInt errorCode = oomMonitor.RequestFreeMemory( 1024*KMemoryThresholdForSuperZoom ); |
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472 |
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473 if ( errorCode != KErrNone ) |
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474 { |
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475 // try one more time |
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476 errorCode = oomMonitor.RequestFreeMemory( 1024*KMemoryThresholdForSuperZoom ); |
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477 } |
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478 oomMonitor.Close(); |
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479 #endif |
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480 } |
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481 |
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482 |
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483 //TSize tgtSize(1024, 1024); |
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484 //DP0_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - #3")); |
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485 //TargetDecodingSize(tgtSize, frameSizue); |
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486 if(frameSize.iHeight >= 1024 || frameSize.iWidth >= 1024) |
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487 { |
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488 frameSize.iHeight = Min(1024, iBitmapLoaderObserver.GetGleMaxRes()); |
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489 frameSize.iWidth = Min(1024, iBitmapLoaderObserver.GetGleMaxRes()); |
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490 } |
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491 else |
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492 { |
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493 frameSize.iHeight=512; |
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494 frameSize.iWidth=512; |
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495 } |
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496 } |
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497 |
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498 // Crop thumbnail if aspect ratio is not same as full size image |
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499 #ifdef USE_EXIF_TN |
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500 #ifdef USE_EXIF_TN_CROP |
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501 if (iUseExifTn) |
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502 { |
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503 #ifdef USE_EXIF_TN_EXT_CROP |
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504 TInt cap; |
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505 TRAP(error, cap = extImageDecoder->CapabilitiesL()); |
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506 if (error == KErrNone && cap & CExtJpegDecoder::ECapCropping) |
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507 #endif |
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508 { |
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509 TReal aspectRatio = aImageData->GetAspectRatio(); |
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510 TReal thumbAspectRatio = TReal(frameSize.iWidth) / frameSize.iHeight; |
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511 |
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512 // calculate final frame size |
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513 //if (frameSize.iWidth / frameSize.iHeight != size.iWidth / size.iHeight) |
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514 if (thumbAspectRatio != aspectRatio) |
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515 { |
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516 TRect finalFrameRect; |
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517 finalFrameRect.SetSize(frameSize); |
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518 if (thumbAspectRatio < aspectRatio) |
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519 { |
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520 TInt h = frameSize.iWidth / aspectRatio; |
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521 h += h & 1; |
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522 finalFrameRect.SetHeight(h); |
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523 } |
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524 else |
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525 { |
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526 TInt w = frameSize.iHeight * aspectRatio; |
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527 w += w & 1; |
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528 finalFrameRect.SetWidth(w); |
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529 } |
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530 |
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531 finalFrameRect.Move( |
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532 (frameSize.iWidth - finalFrameRect.Width() + 1) / 2, |
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533 (frameSize.iHeight - finalFrameRect.Height() + 1) / 2); |
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534 #ifdef USE_EXIF_TN_EXT_CROP |
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535 TRAP(error, extImageDecoder->SetCroppingL(finalFrameRect)); |
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536 #else |
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537 // Create temporal bitmap |
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538 iExifBitmap = new CFbsBitmap; |
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539 if (iExifBitmap == NULL) |
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540 error = KErrGeneral; |
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541 else |
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542 error = iExifBitmap->Create(frameSize, frameInfo.iFrameDisplayMode); |
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543 aBitmap = iExifBitmap; |
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544 #endif |
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545 // Reduce final image size |
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546 if (error == KErrNone) |
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547 { |
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548 frameSize.iWidth = finalFrameRect.Width(); |
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549 frameSize.iHeight = finalFrameRect.Height(); |
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550 } |
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551 } |
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552 } |
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553 } |
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554 #endif |
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555 #endif |
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556 |
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557 if (error == KErrNone) |
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558 { |
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559 #ifdef USE_RGBA |
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560 error = iOutputBitmap->Create(frameSize, EColor16MU); |
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561 #else |
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562 error = iOutputBitmap->Create(frameSize, frameInfo.iFrameDisplayMode); |
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563 #endif |
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564 } |
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565 |
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566 if (error == KErrNone) |
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567 { |
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568 #ifdef USE_EXIF_TN |
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569 /*if(iUseExifTn) |
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570 { |
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571 TRAP(error, iExifDecoder->Convert(&iStatus, *aBitmap)); |
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572 } |
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573 else*/ |
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574 #endif |
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575 { |
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576 TRAP(error, iImageDecoder->Convert(&iStatus, *aBitmap)); |
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577 } |
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578 } |
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579 |
|
580 if(error != KErrNone) |
|
581 { |
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582 DP2_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - Image Decoder convert - TN res: %d, error: %d"), aThumbRes, error); |
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583 delete iImageDecoder; |
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584 iImageDecoder = NULL; |
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585 //aImageData->iGridData.iCorrupted = ETrue;//mika. added 03.06. maybe not good idea???????? |
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586 User::Leave(error); |
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587 return; |
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588 } |
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589 else |
|
590 { |
|
591 DP1_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL - Decoding started TN res: %d"), aThumbRes); |
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592 |
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593 if(!IsActive()) |
|
594 SetActive(); |
|
595 } |
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596 } |
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597 |
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598 DP0_IMAGIC(_L("CIEBitmapLoader::GetOneBitmapL--")); |
|
599 } |
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600 |
|
601 /** |
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602 Opens file and creates file pointer |
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603 @param aFileName The specified file to open |
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604 @return imageInMemoryPtr A Pointer to iImageInMemory |
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605 @leave System-wide error codes |
|
606 */ |
|
607 /*TPtr8 CIEBitmapLoader::LoadImageIntoMemoryLC(const TDesC& aFileName) |
|
608 { |
|
609 RFile file; |
|
610 TInt fileSize = 0; |
|
611 |
|
612 // Open the file for decoding |
|
613 User::LeaveIfError(file.Open(iFileServer, aFileName, EFileRead)); |
|
614 file.Size(fileSize); |
|
615 |
|
616 //HBufC8* imageInMemory = HBufC8::NewMaxLC(fileSize); |
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617 HBufC8* imageInMemory = HBufC8::NewMaxL(fileSize); |
|
618 TPtr8 imageInMemoryPtr = imageInMemory->Des(); |
|
619 if(file.SubSessionHandle()) |
|
620 { |
|
621 User::LeaveIfError(file.Read(imageInMemoryPtr)); |
|
622 } |
|
623 |
|
624 file.Close(); |
|
625 |
|
626 return imageInMemoryPtr; |
|
627 }*/ |
|
628 |
|
629 void CIEBitmapLoader::TargetDecodingSize(TSize aTgtSize, TSize& aSrcSize) |
|
630 { |
|
631 DP0_IMAGIC(_L("CIEBitmapLoader::TargetDecodingSize++")); |
|
632 |
|
633 DP2_IMAGIC(_L("CIEBitmapLoader::TargetDecodingSize - Tgt size.iHeigth: %d, Tgt size.iWidth: %d"),aTgtSize.iHeight, aTgtSize.iWidth); |
|
634 DP2_IMAGIC(_L("CIEBitmapLoader::TargetDecodingSize - Src size.iHeigth: %d, Src size.iWidth: %d"),aSrcSize.iHeight, aSrcSize.iWidth); |
|
635 |
|
636 // up to 32 times downscale in scaler |
|
637 for (TInt i = 0;i < 5;i++) |
|
638 { |
|
639 if (aSrcSize.iWidth < aTgtSize.iWidth * 2 || |
|
640 aSrcSize.iHeight < aTgtSize.iHeight * 2) |
|
641 { |
|
642 break; |
|
643 } |
|
644 |
|
645 aSrcSize.iWidth >>= 1; |
|
646 aSrcSize.iHeight >>= 1; |
|
647 } |
|
648 |
|
649 // Check that we do not create odd resolution size thumbnail |
|
650 if(aSrcSize.iHeight & 1) |
|
651 aSrcSize.iHeight++; |
|
652 if(aSrcSize.iWidth & 1) |
|
653 aSrcSize.iWidth++; |
|
654 |
|
655 DP2_IMAGIC(_L("CIEBitmapLoader::TargetDecodingSize - Src size.iHeigth: %d, Src size.iWidth: %d"),aSrcSize.iHeight, aSrcSize.iWidth); |
|
656 |
|
657 DP0_IMAGIC((_L("CIEBitmapLoader::TargetDecodingSize--"))); |
|
658 } |
|
659 |
|
660 |
|
661 void CIEBitmapLoader::CancelFullSizeLoading() |
|
662 { |
|
663 //Cancel only if full resolution loading was on |
|
664 DP0_IMAGIC(_L("CIEBitmapLoader::CancelFullSizeLoading++")); |
|
665 if(iThumbRes == EFullSize) |
|
666 { |
|
667 DP0_IMAGIC(_L("CIEBitmapLoader::CancelFullSizeLoading 1")); |
|
668 if(iImageDecoder) |
|
669 { |
|
670 iImageDecoder->Cancel(); |
|
671 delete iImageDecoder; |
|
672 iImageDecoder = NULL; |
|
673 } |
|
674 DP0_IMAGIC(_L("CIEBitmapLoader::CancelFullSizeLoading 2")); |
|
675 if(IsActive()) |
|
676 { |
|
677 Cancel(); |
|
678 DP0_IMAGIC(_L("CIEBitmapLoader::CancelFullSizeLoading 21")); |
|
679 iBitmapLoaderObserver.BitmapsLoadedL(KErrCancel); |
|
680 } |
|
681 #ifdef DECODE_FROM_BUFFER |
|
682 if(iSourceData) |
|
683 { |
|
684 DP0_IMAGIC(_L("CIEBitmapLoader::CancelFullSizeLoading 3")); |
|
685 delete iSourceData; |
|
686 iSourceData = NULL; |
|
687 } |
|
688 #endif |
|
689 DP0_IMAGIC(_L("CIEBitmapLoader::CancelFullSizeLoading 4")); |
|
690 } |
|
691 DP0_IMAGIC(_L("CIEBitmapLoader::CancelFullSizeLoading--")); |
|
692 } |
|
693 |
|
694 void CIEBitmapLoader::SetImageDataMode(TImageArrayMode aMode) |
|
695 { |
|
696 iImageArrayMode = aMode; |
|
697 } |
|
698 |
|
699 |
|
700 // EOF |