author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 15 Mar 2010 12:40:30 +0200 | |
branch | RCL_3 |
changeset 12 | ce1c7ad1f18b |
parent 0 | 4e91876724a2 |
child 13 | bcb43dc84c44 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Texture Manager component/Decodes the Image in step for large sized images |
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* |
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*/ |
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|
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// INCLUDE FILES |
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#include "glxbitmapdecoderwrapper.h" |
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#include <glxtracer.h> // For Log |
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#include <bitmaptransforms.h> |
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#include <imageconversion.h> |
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#include <ExifRead.h> |
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#include <glxlog.h> |
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#include <hal.h> |
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#include <hal_data.h> |
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#include <mglxcache.h> |
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#include <oommonitorsession.h> |
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namespace |
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{ |
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const TInt KGlxDecodingThreshold = 3000000; |
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|
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|
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// Photos low_ram_threshold [8.637 MB] as in oomconfig.xml |
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const TInt KGlxCriticalRAMForPhotos = 9056550; |
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const TInt KGlxDecodeBitmapFactor = 3; |
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// All EXIF data is within the first KGlxMaxExifSize bytes of the file |
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const TInt KGlxMaxExifSize = 0x10000; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Two-phased constructor. |
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// --------------------------------------------------------------------------- |
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// |
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CGlxBitmapDecoderWrapper* CGlxBitmapDecoderWrapper::NewL(MGlxBitmapDecoderObserver* aObserver) |
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{ |
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TRACER("CGlxBitmapDecoderWrapper:: NewL "); |
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CGlxBitmapDecoderWrapper* self = new(ELeave)CGlxBitmapDecoderWrapper(); |
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CleanupStack::PushL(self); |
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self->ConstructL(aObserver); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Constructor |
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// --------------------------------------------------------------------------- |
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// |
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CGlxBitmapDecoderWrapper::CGlxBitmapDecoderWrapper() |
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:CActive( EPriorityLow ) |
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{ |
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TRACER("CGlxBitmapDecoderWrapper:: NewL "); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Destructor |
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// --------------------------------------------------------------------------- |
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// |
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|
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CGlxBitmapDecoderWrapper::~CGlxBitmapDecoderWrapper() |
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{ |
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TRACER("CGlxBitmapDecoderWrapper:: ~CGlxBitmapDecoderWrapper "); |
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iFs.Close(); |
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Cancel(); |
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if (iImageDecoder) |
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{ |
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delete iImageDecoder; |
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iImageDecoder = NULL; |
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} |
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} |
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|
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// --------------------------------------------------------------------------- |
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// ConstructL |
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// --------------------------------------------------------------------------- |
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void CGlxBitmapDecoderWrapper::ConstructL(MGlxBitmapDecoderObserver* aObserver) |
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{ |
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TRACER("CGlxBitmapDecoderWrapper::ConstructL "); |
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iObserver = aObserver; |
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User::LeaveIfError(iFs.Connect()); |
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CActiveScheduler::Add( this ); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// DoDecodeImageL |
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// --------------------------------------------------------------------------- |
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|
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void CGlxBitmapDecoderWrapper::DoDecodeImageL(const TDesC & aSourceFileName,TInt aIndex) |
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{ |
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TRACER("CGlxBitmapDecoderWrapper:: DoDecodeImageL "); |
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iThumbnailIndex = aIndex; |
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104 |
//Variable used to get the decoder type used; |
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105 |
TBool isExtDecoderUsed = ETrue; |
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106 |
|
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107 |
#ifdef _DEBUG |
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108 |
iDecodeProcessstartTime.HomeTime(); |
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109 |
#endif |
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110 |
|
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111 |
if (iImageDecoder) |
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112 |
{ |
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113 |
delete iImageDecoder; |
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iImageDecoder = NULL; |
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115 |
} |
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116 |
// Use extended JPEG decoder |
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117 |
TRAPD( err, iImageDecoder = CExtJpegDecoder::FileNewL( |
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118 |
CExtJpegDecoder::EHwImplementation, iFs, aSourceFileName, CImageDecoder::EOptionNone ) ); |
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119 |
if ( KErrNone != err ) |
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120 |
{ |
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121 |
GLX_LOG_INFO( "DoDecodeImageL:: ESwImplementation" ); |
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122 |
TRAP(err,iImageDecoder = CExtJpegDecoder::FileNewL( |
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123 |
CExtJpegDecoder::ESwImplementation, iFs, aSourceFileName, CImageDecoder::EOptionNone ) ); |
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124 |
if ( KErrNone != err ) |
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125 |
{ |
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126 |
GLX_LOG_INFO( "DoDecodeImageL:: CImageDecoder" ); |
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127 |
// Not a JPEG - use standard decoder |
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128 |
iImageDecoder = CImageDecoder::FileNewL( iFs, aSourceFileName, CImageDecoder::EOptionNone ); |
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129 |
isExtDecoderUsed = EFalse; |
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130 |
} |
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131 |
} |
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132 |
#ifdef _DEBUG |
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133 |
iStopTime.HomeTime(); |
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134 |
GLX_DEBUG1("=== DECODER CREATION ==="); |
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135 |
GLX_DEBUG2("Decoder Creation took <%d> us", |
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136 |
(TInt)iStopTime.MicroSecondsFrom(iDecodeProcessstartTime).Int64()); |
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137 |
#endif |
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138 |
|
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139 |
TSize imageSize = iImageDecoder->FrameInfo().iOverallSizeInPixels; |
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140 |
if(isExtDecoderUsed) |
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141 |
{ |
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142 |
TUint16 orientation=0; |
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143 |
//Read the orientation from the Exif header of the image if present |
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144 |
TRAPD(error, orientation=GetOrientationL(aSourceFileName)); |
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145 |
if(KErrNone == error ) |
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146 |
{ |
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147 |
//Get the rotation angle and the flip status from orientation |
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148 |
TInt rotAngle = 0; |
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149 |
TBool flipStatus = EFalse; |
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150 |
GetRotationParameters(orientation, rotAngle, flipStatus); |
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151 |
//Set the parameters to the decoder |
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152 |
CExtJpegDecoder* extDecoder = (CExtJpegDecoder*)iImageDecoder; |
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153 |
extDecoder->SetRotationL(rotAngle); |
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154 |
if(flipStatus) |
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155 |
{ |
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156 |
extDecoder->SetMirroringL(); |
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157 |
} |
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158 |
//Switch Image Height and width in case orientation > 4 as that |
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159 |
//corresponds to angles 180 and 270 degrees |
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160 |
if (orientation > 4) |
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161 |
{ |
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162 |
imageSize.SetSize(imageSize.iHeight,imageSize.iWidth); |
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163 |
} |
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164 |
} |
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165 |
|
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166 |
} |
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167 |
iOriginalSize.iWidth = imageSize.iWidth; |
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168 |
iOriginalSize.iHeight = imageSize.iHeight; |
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|
169 |
|
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170 |
if (iBitmap) |
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171 |
{ |
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172 |
delete iBitmap; |
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173 |
iBitmap = NULL; |
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174 |
} |
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175 |
DecodeImageL(); |
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176 |
} |
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177 |
// --------------------------------------------------------------------------- |
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178 |
// DecodeImageL |
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179 |
// --------------------------------------------------------------------------- |
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180 |
// |
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181 |
void CGlxBitmapDecoderWrapper::DecodeImageL() |
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182 |
{ |
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183 |
TRACER("CGlxBitmapDecoderWrapper:: DecodeImageL "); |
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184 |
TReal32 mFactor = 1; |
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185 |
//Set Size according to level and state |
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186 |
TReal32 width = iOriginalSize.iWidth; |
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187 |
TReal32 height = iOriginalSize.iHeight; |
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188 |
GLX_LOG_INFO1("DecodeImageL:width=%f", width); |
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189 |
GLX_LOG_INFO1("DecodeImageL:height=%f",height); |
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190 |
|
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191 |
|
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192 |
if ( KGlxDecodingThreshold < (width * height)) |
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193 |
{ |
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194 |
mFactor = TReal32(KGlxDecodingThreshold) / (width*height); |
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195 |
} |
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196 |
|
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197 |
// create the destination bitmap |
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198 |
if(!iBitmap) |
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199 |
{ |
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200 |
TInt freeMemory = 0; |
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201 |
HAL::Get( HALData::EMemoryRAMFree, freeMemory ); |
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202 |
width*=mFactor; |
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203 |
height*=mFactor; |
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204 |
TInt minmemorytodecode = KGlxDecodeBitmapFactor*width*height; |
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205 |
GLX_LOG_INFO2("DecodeImageL: after factoring width=%f, height=%f", width, height); |
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206 |
GLX_LOG_INFO2("DecodeImageL:minmemorytodecode=%d, freememory=%d", |
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207 |
minmemorytodecode, freeMemory); |
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if(minmemorytodecode < (freeMemory - KGlxCriticalRAMForPhotos)) |
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209 |
{ |
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210 |
GLX_LOG_INFO("DecodeImageL:RAM available decoding image"); |
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211 |
|
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iBitmap = new (ELeave) CFbsBitmap(); |
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iBitmap->Create( TSize(width,height),iImageDecoder->FrameInfo().iFrameDisplayMode ); |
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214 |
#ifdef _DEBUG |
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iStartTime.HomeTime(); // Get home time |
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#endif |
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iImageDecoder->Convert( &iStatus, *iBitmap ); |
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218 |
} |
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219 |
else |
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220 |
{ |
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221 |
//case when sufficient memory is not available |
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222 |
//request OOM FW to release the required memory |
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GLX_LOG_INFO("DecodeImageL:insufficient RAM - request OOM"); |
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TInt err = OOMRequestFreeMemoryL(minmemorytodecode); |
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if(err == KErrNoMemory) |
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226 |
{ |
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227 |
//if OOM fails, release Photos Cache |
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GLX_LOG_INFO("DecodeImageL:insufficient RAM - OOM failed - request Cache"); |
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MGlxCache* cacheManager = MGlxCache::InstanceL(); |
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cacheManager->ReleaseRAML(ETrue); |
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cacheManager->Close(); |
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//Try and release memory again |
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err = OOMRequestFreeMemoryL(minmemorytodecode); |
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234 |
} |
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235 |
if(err != KErrNoMemory) |
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236 |
{ |
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GLX_LOG_INFO("DecodeImageL:Sufficient RAM available"); |
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iBitmap = new (ELeave) CFbsBitmap(); |
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239 |
iBitmap->Create( TSize(width,height),iImageDecoder->FrameInfo().iFrameDisplayMode ); |
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240 |
#ifdef _DEBUG |
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241 |
iStartTime.HomeTime(); // Get home time |
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242 |
#endif |
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243 |
iImageDecoder->Convert( &iStatus, *iBitmap ); |
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244 |
} |
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245 |
else |
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246 |
{ |
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247 |
GLX_LOG_INFO("NOT ENOUGH MEMORY - Using the Fullscreen Thumbnail For Zoom"); |
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248 |
//release the file held by decoder immediately. |
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249 |
iImageDecoder->Cancel(); |
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250 |
delete iImageDecoder; |
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251 |
iImageDecoder = NULL; |
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252 |
//Inform the client that there is no decode happened and there we take care |
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253 |
//of showing the fullscreen thumbnail. |
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254 |
iObserver->HandleBitmapDecodedL(iThumbnailIndex,NULL); |
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255 |
return; |
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256 |
} |
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257 |
} |
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|
258 |
|
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259 |
SetActive(); |
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260 |
} |
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261 |
} |
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262 |
// --------------------------------------------------------------------------- |
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263 |
// RunL |
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264 |
// --------------------------------------------------------------------------- |
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265 |
// |
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266 |
void CGlxBitmapDecoderWrapper::RunL() |
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|
267 |
{ |
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|
268 |
TRACER("CGlxBitmapDecoderWrapper:: RunL "); |
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|
269 |
if( iStatus == KErrNone ) |
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|
270 |
{ |
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|
271 |
iObserver->HandleBitmapDecodedL(iThumbnailIndex,iBitmap); |
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|
272 |
iBitmap = NULL; |
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|
273 |
|
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|
274 |
//release the file held by decoder immediately. |
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|
275 |
GLX_LOG_INFO( " CGlxBitmapDecoderWrapper::RunL:Decoding Finished" ); |
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276 |
iImageDecoder->Cancel(); |
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|
277 |
delete iImageDecoder; |
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|
278 |
iImageDecoder = NULL; |
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|
279 |
#ifdef _DEBUG |
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|
280 |
iStopTime.HomeTime(); |
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|
281 |
GLX_DEBUG1("=== IMAGE DECODE ==="); |
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|
282 |
GLX_DEBUG2("=>Image Decode Took took <%d> us", |
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|
283 |
(TInt)iStopTime.MicroSecondsFrom(iStartTime).Int64()); |
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|
284 |
#endif |
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|
285 |
|
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|
286 |
} |
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|
287 |
} |
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|
288 |
// --------------------------------------------------------------------------- |
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|
289 |
// DoCancel |
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|
290 |
// --------------------------------------------------------------------------- |
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|
291 |
// |
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|
292 |
void CGlxBitmapDecoderWrapper::DoCancel() |
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|
293 |
{ |
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|
294 |
TRACER("CGlxBitmapDecoderWrapper:: DoCancel "); |
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295 |
if(iImageDecoder) |
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|
296 |
{ |
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|
297 |
GLX_LOG_INFO( " CGlxBitmapDecoderWrapper::DoCancel:Deleting" ); |
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|
298 |
iImageDecoder->Cancel(); |
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|
299 |
delete iImageDecoder; |
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|
300 |
iImageDecoder = NULL; |
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|
301 |
} |
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|
302 |
if(iBitmap) |
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|
303 |
{ |
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|
304 |
delete iBitmap; |
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|
305 |
iBitmap = NULL; |
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|
306 |
} |
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|
307 |
} |
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|
308 |
|
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|
309 |
// --------------------------------------------------------------------------- |
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|
310 |
// GetOrientationL |
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|
311 |
// --------------------------------------------------------------------------- |
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312 |
// |
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TUint16 CGlxBitmapDecoderWrapper::GetOrientationL(const TDesC& aFileName) |
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314 |
{ |
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|
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TRACER("CGlxBitmapDecoderWrapper:: GetOrientationL "); |
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//Get Exif Metadata and the orientation tag from the file first |
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RFile file; |
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CleanupClosePushL(file); |
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|
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User::LeaveIfError(file.Open(iFs, |
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|
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aFileName, EFileRead)); |
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TInt size; |
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User::LeaveIfError(file.Size(size)); |
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if ( KGlxMaxExifSize < size ) |
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324 |
{ |
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size = KGlxMaxExifSize; |
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326 |
} |
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TUint16 orientation = 9; |
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HBufC8* exifData = HBufC8::NewLC(size); |
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TPtr8 ptr(exifData->Des()); |
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User::LeaveIfError(file.Read(ptr)); |
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CExifRead* exifReader = NULL; |
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TRAPD(exifErr,exifReader = CExifRead::NewL(*exifData, CExifRead::ENoJpeg)); |
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if(exifErr == KErrNone) |
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334 |
{ |
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CleanupStack::PushL(exifReader); |
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|
336 |
|
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TInt readErr = exifReader->GetOrientation(orientation); |
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if(readErr != KErrNone) |
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339 |
{ |
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orientation = 9; |
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341 |
} |
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CleanupStack::PopAndDestroy(exifReader); |
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|
343 |
} |
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CleanupStack::PopAndDestroy(exifData); |
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345 |
//Close and pop file Session |
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CleanupStack::PopAndDestroy(&file); |
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347 |
return orientation; |
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|
348 |
|
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|
349 |
} |
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350 |
// --------------------------------------------------------------------------- |
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351 |
// DoCancel |
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352 |
// --------------------------------------------------------------------------- |
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|
353 |
// |
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|
354 |
void CGlxBitmapDecoderWrapper::GetRotationParameters(TUint16 aOrientation, TInt& aRotAngle, TBool& aFlipStatus) |
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|
355 |
{ |
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Revision: 200949
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|
356 |
TRACER("CGlxBitmapDecoderWrapper:: DoCancel "); |
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357 |
//Get the orientation and set rotation on the decoder |
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358 |
//as well as update the original size |
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359 |
aRotAngle = 0; |
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|
360 |
aFlipStatus = EFalse; |
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|
361 |
TInt isOrientationOdd = aOrientation%2; |
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|
362 |
if(aOrientation>8) |
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|
363 |
{ |
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364 |
return; |
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|
365 |
} |
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|
366 |
if(aOrientation >= 3 && aOrientation < 5) |
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|
367 |
{ |
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|
368 |
aRotAngle = 180; |
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|
369 |
} |
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|
370 |
else if(aOrientation >= 5 && aOrientation < 7) |
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|
371 |
{ |
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|
372 |
aRotAngle = 90; |
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|
373 |
|
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|
374 |
} |
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|
375 |
else if(aOrientation >= 7 && aOrientation <= 8) |
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|
376 |
{ |
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Revision: 200949
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|
377 |
aRotAngle = 270; |
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|
378 |
} |
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Revision: 200949
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|
379 |
if(aOrientation>4 ) |
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|
380 |
{ |
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Revision: 200949
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|
381 |
if(isOrientationOdd ) |
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Revision: 200949
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|
382 |
{ |
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Revision: 200949
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|
383 |
aFlipStatus = ETrue; |
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Revision: 200949
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parents:
diff
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|
384 |
} |
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Revision: 200949
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parents:
diff
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|
385 |
} |
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Revision: 200949
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parents:
diff
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|
386 |
|
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Revision: 200949
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parents:
diff
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|
387 |
} |
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Revision: 200949
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parents:
diff
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|
388 |
|
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Revision: 200949
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parents:
diff
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|
389 |
// --------------------------------------------------------------------------- |
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Revision: 200949
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parents:
diff
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|
390 |
// OOMRequestFreeMemoryL |
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Revision: 200949
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diff
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|
391 |
// --------------------------------------------------------------------------- |
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Revision: 200949
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parents:
diff
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|
392 |
// |
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Revision: 200949
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parents:
diff
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|
393 |
TInt CGlxBitmapDecoderWrapper::OOMRequestFreeMemoryL( TInt aBytesRequested) |
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Revision: 200949
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diff
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|
394 |
{ |
4e91876724a2
Revision: 200949
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parents:
diff
changeset
|
395 |
TRACER("CGlxBitmapDecoderWrapper::OOMRequestFreeMemoryL"); |
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Revision: 200949
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|
396 |
GLX_LOG_INFO1("CGlxBitmapDecoderWrapper::OOMRequestFreeMemoryL() aBytesRequested=%d", |
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Revision: 200949
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|
397 |
aBytesRequested); |
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Revision: 200949
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parents:
diff
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|
398 |
ROomMonitorSession oomMonitor; |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
User::LeaveIfError( oomMonitor.Connect() ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
// No leaving code after this point, so no need to use cleanup stack |
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Revision: 200949
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parents:
diff
changeset
|
401 |
// for oomMonitor |
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Revision: 200949
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parents:
diff
changeset
|
402 |
TInt errorCode = oomMonitor.RequestFreeMemory( aBytesRequested ); |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
GLX_LOG_INFO1("CGlxBitmapDecoderWrapper::OOMRequestFreeMemoryL(1) errorCode=%d",errorCode); |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
if ( errorCode != KErrNone ) |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
// try one more time |
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Revision: 200949
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parents:
diff
changeset
|
407 |
errorCode = oomMonitor.RequestFreeMemory( aBytesRequested ); |
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Revision: 200949
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parents:
diff
changeset
|
408 |
GLX_LOG_INFO1("CGlxBitmapDecoderWrapper::OOMRequestFreeMemoryL(2) errorCode=%d",errorCode); |
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Revision: 200949
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parents:
diff
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|
409 |
} |
4e91876724a2
Revision: 200949
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parents:
diff
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|
410 |
oomMonitor.Close(); |
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Revision: 200949
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parents:
diff
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|
411 |
return errorCode; |
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Revision: 200949
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parents:
diff
changeset
|
412 |
} |