author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 18 Aug 2010 10:02:50 +0300 | |
changeset 27 | 03808033c9a2 |
parent 0 | 7f85d04be362 |
permissions | -rw-r--r-- |
0
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/** @file |
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* Copyright (c) 2005-2006 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: Thumbnail Creator. |
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* |
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*/ |
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|
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|
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#include <e32svr.h> |
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#include <imageconversion.h> |
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#include <bitmaptransforms.h> |
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#include <eikfutil.h> |
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#include <gulicon.h> |
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#include "upnpthumbnailcreator.h" |
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#include "upnpthumbnailcreator.h" |
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#include "upnpcontentdirectoryglobals.h" |
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#ifdef _DEBUG |
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#define KLogFile _L("UPnPMediaServer.txt") |
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#endif |
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#include "upnpcustomlog.h" |
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// ----------------------------------------------------------------------------- |
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// CUpnpThumbnailCreator::NewLC |
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// Two-phased constructor. |
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// ----------------------------------------------------------------------------- |
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// |
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CUpnpThumbnailCreator* CUpnpThumbnailCreator::NewLC(MUpnpThumbnailCreatorObserver* aObserver) |
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{ |
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CUpnpThumbnailCreator* self = new (ELeave) CUpnpThumbnailCreator(aObserver); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// CUpnpThumbnailCreator::ConstructL |
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// Two-phased constructor. |
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// ----------------------------------------------------------------------------- |
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// |
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void CUpnpThumbnailCreator::ConstructL() |
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{ |
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User::LeaveIfError(iFs.Connect()); |
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iScaler = CBitmapScaler::NewL(); |
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iSize.SetSize( KThumbnailWidth, KThumbnailHeight ); |
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iPhase = ESleep; |
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CActiveScheduler::Add(this); |
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} |
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// ----------------------------------------------------------------------------- |
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// CUpnpThumbnailCreator::CUpnpThumbnailCreator |
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// Constructor |
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// ----------------------------------------------------------------------------- |
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// |
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CUpnpThumbnailCreator::CUpnpThumbnailCreator( MUpnpThumbnailCreatorObserver* aObserver ) |
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:CActive(EPriorityStandard), iOldSize(0,0) |
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{ |
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iObserver = aObserver; |
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} |
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// ----------------------------------------------------------------------------- |
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// CUpnpThumbnailCreator::~CUpnpThumbnailCreator |
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// Destructor. |
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// ----------------------------------------------------------------------------- |
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// |
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CUpnpThumbnailCreator::~CUpnpThumbnailCreator() |
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{ |
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Cancel(); |
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delete iScaler; |
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delete iEncoder; |
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delete iDecoder; |
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delete iBitmap; |
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iFs.Close(); |
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} |
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// ----------------------------------------------------------------------------- |
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// CUpnpThumbnailCreator::RunError |
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// (other items were commented in a header). |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CUpnpThumbnailCreator::RunError(TInt aErr) |
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{ |
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LOGS1("CUpnpThumbnailCreator::RunError(%d)", aErr); |
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return KErrNone; |
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} |
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// ----------------------------------------------------------------------------- |
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// CUpnpThumbnailCreator::RunL |
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// (other items were commented in a header). |
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// ----------------------------------------------------------------------------- |
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// |
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void CUpnpThumbnailCreator::RunL() |
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{ |
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if( iStatus == KErrNone ) |
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106 |
{ |
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107 |
if( EDecodeObject == iPhase ) |
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108 |
{ |
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iScaler->Scale(&iStatus, *iBitmap, iSize, ETrue); |
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iPhase = EDecode; |
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SetActive(); |
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} |
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113 |
else if( EDecode == iPhase ) |
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114 |
{ |
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EncodeAndConvertL(); |
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iPhase = EEncode; |
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SetActive(); |
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} |
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else if( EEncode == iPhase ) |
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120 |
{ |
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iPhase = ESleep; |
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iObserver->NotifyThumbnailResultL(this, iStatus.Int()); |
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123 |
} |
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124 |
} |
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125 |
else |
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126 |
{ |
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iObserver->NotifyThumbnailResultL(this, iStatus.Int()); |
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128 |
} |
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129 |
} |
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130 |
|
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131 |
// ----------------------------------------------------------------------------- |
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132 |
// CUpnpThumbnailCreator::DoCancel |
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133 |
// (other items were commented in a header). |
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134 |
// ----------------------------------------------------------------------------- |
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135 |
// |
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136 |
void CUpnpThumbnailCreator::DoCancel() |
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137 |
{ |
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138 |
if( EDecode == iPhase ) |
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139 |
{ |
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140 |
iDecoder->Cancel(); |
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141 |
} |
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142 |
if( EEncode == iPhase ) |
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143 |
{ |
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144 |
iEncoder->Cancel(); |
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145 |
} |
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146 |
if( EDecodeObject == iPhase ) |
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147 |
{ |
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148 |
iDecoder->Cancel(); |
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149 |
} |
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150 |
} |
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151 |
|
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152 |
|
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153 |
|
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154 |
// ----------------------------------------------------------------------------- |
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155 |
// CUpnpThumbnailCreator::RunError |
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156 |
// Requester function |
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157 |
// ----------------------------------------------------------------------------- |
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158 |
// |
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159 |
void CUpnpThumbnailCreator::EncodeAndConvertL() |
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160 |
{ |
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161 |
if( IsActive() ) |
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162 |
{ |
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163 |
Cancel(); |
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164 |
} |
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165 |
|
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166 |
delete iEncoder; |
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167 |
iEncoder = 0; |
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168 |
|
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169 |
iPath.Append(iFileName); |
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170 |
|
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171 |
|
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172 |
iEncoder = CImageEncoder::FileNewL( iFs, |
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173 |
iPath, |
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174 |
KThumbMimeType, |
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175 |
CImageEncoder::EOptionAlwaysThread); |
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176 |
|
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177 |
iEncoder->Convert( &iStatus, *iBitmap, 0 ); |
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178 |
} |
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|
179 |
|
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180 |
// ----------------------------------------------------------------------------- |
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181 |
// CUpnpThumbnailCreator::CreateL |
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182 |
// Requester function |
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183 |
// ----------------------------------------------------------------------------- |
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184 |
// |
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185 |
void CUpnpThumbnailCreator::CreateL(const TDesC& aSourceFile, const TDesC& aThumbName) |
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186 |
{ |
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|
187 |
|
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|
188 |
|
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189 |
if( IsActive() ) |
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190 |
{ |
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191 |
Cancel(); |
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192 |
} |
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|
193 |
|
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194 |
iParse.Set( aSourceFile, NULL, NULL); |
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195 |
TParse fp; |
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196 |
User::LeaveIfError( fp.Set(aThumbName, 0 , 0) ); |
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197 |
iFileName = fp.NameAndExt(); |
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198 |
iExtension = fp.Ext(); |
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199 |
iPath = fp.DriveAndPath(); |
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|
200 |
|
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201 |
TUint temp; |
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202 |
if( iFs.Att( iPath, temp ) != KErrNone ) |
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203 |
{ |
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204 |
User::LeaveIfError( iFs.MkDirAll( iPath ) ); |
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205 |
} |
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|
206 |
|
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207 |
delete iDecoder; |
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208 |
iDecoder = NULL; |
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|
209 |
|
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210 |
delete iBitmap; |
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211 |
iBitmap = NULL; |
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212 |
iBitmap = new (ELeave) CFbsBitmap(); |
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|
213 |
|
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214 |
TSize size = GetSize(aSourceFile); |
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size.SetSize( size.iWidth, size.iHeight ); |
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iOldSize = size; |
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CalculateSize( size ); |
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User::LeaveIfError(iBitmap->Create( size, iInfo.iFrameDisplayMode )); |
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|
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//Decode to the bitmap |
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//RunL will be called when decoding is complete |
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iPhase = EDecodeObject; |
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iDecoder->Convert( &iStatus, *iBitmap ); |
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SetActive(); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CUpnpThumbnailCreator::CalculateSize |
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// Requester function |
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// ----------------------------------------------------------------------------- |
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// |
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void CUpnpThumbnailCreator::CalculateSize( TSize& aLoadSize ) |
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{ |
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if( ( aLoadSize.iWidth <= KThumbnailWidth ) || |
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( aLoadSize.iHeight <= KThumbnailHeight ) ) |
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{ |
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return; |
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} |
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|
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TUint i( 8 ); // for 8 bits |
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|
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for( ; i > 0; i >>= 1 ) |
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{ |
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if( DivisionCeil( aLoadSize.iWidth, i ) > KThumbnailWidth && |
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DivisionCeil( aLoadSize.iHeight, i ) > KThumbnailHeight ) |
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{ |
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break; |
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} |
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} |
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|
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aLoadSize.SetSize( DivisionCeil( aLoadSize.iWidth, i ), |
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DivisionCeil( aLoadSize.iHeight, i ) ); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CUpnpThumbnailCreator::DivisionCeil |
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// (other items were commented in a header). |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CUpnpThumbnailCreator::DivisionCeil( const TInt aVal, const TInt aDiv ) |
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{ |
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if( ( aVal % aDiv ) > 0 ) |
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{ |
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return (TInt)( ( aVal / aDiv ) + 1 ); |
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} |
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else |
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{ |
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return (TInt)( aVal / aDiv ); |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CUpnpThumbnailCreator::GetFileName |
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// (other items were commented in a header). |
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// ----------------------------------------------------------------------------- |
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// |
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|
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TFileName CUpnpThumbnailCreator::GetFileName() |
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{ |
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return iFileName; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CUpnpThumbnailCreator::GetFileExt |
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// (other items were commented in a header). |
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// ----------------------------------------------------------------------------- |
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// |
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|
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TPtrC CUpnpThumbnailCreator::GetFileExt() |
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{ |
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return iExtension; |
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} |
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// CUpnpThumbnailCreator::GetPath |
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// (other items were commented in a header). |
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// ----------------------------------------------------------------------------- |
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// |
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TFileName CUpnpThumbnailCreator::GetPath() |
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{ |
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return iPath; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CUpnpThumbnailCreator::GetSize |
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// (other items were commented in a header). |
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// ----------------------------------------------------------------------------- |
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// |
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TSize CUpnpThumbnailCreator::GetSize(const TDesC& aSourceFile) |
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{ |
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TRAPD(sizeErr, iDecoder = CImageDecoder::FileNewL( iFs, aSourceFile )); |
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if (sizeErr) |
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{ |
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return TSize(); |
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} |
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else |
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{ |
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iInfo = iDecoder->FrameInfo(); |
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TSize size = iInfo.iOverallSizeInPixels; |
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return size; |
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} |
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} |
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321 |