author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 14 May 2010 15:52:22 +0300 | |
changeset 29 | 2c833fc9e98f |
parent 23 | 74c9f037fd5d |
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: Task to generate a cropped thumbnail for a JPEG image. |
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* |
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*/ |
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/** |
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* @internal reviewed 31/07/2007 by Simon Brooks |
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*/ |
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#include "glxtnzoomedimagetask.h" |
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#include <fbs.h> |
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#include <glxassert.h> |
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#include <glxlog.h> |
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#include <IclExtJpegApi.h> // For CExtJpegDecoder |
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#include <glxtracer.h> |
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#include "glxtnfileinfo.h" |
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#include "glxtnfileutility.h" |
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#include "glxtnthumbnailrequest.h" |
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#include "mglxtnthumbnailcreatorclient.h" |
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// ----------------------------------------------------------------------------- |
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// NewL |
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// ----------------------------------------------------------------------------- |
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// |
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CGlxtnZoomedImageTask* CGlxtnZoomedImageTask::NewL( |
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const TGlxThumbnailRequest& aRequestInfo, |
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CGlxtnFileUtility& aFileUtility, MGlxtnThumbnailCreatorClient& aClient) |
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{ |
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TRACER("CGlxtnZoomedImageTask* CGlxtnZoomedImageTask::NewL( const TGlxThumbnailRequest& aRequestInfo, CGlxtnFileUtility& aFileUtility, MGlxtnThumbnailCreatorClient& aClient)"); |
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CGlxtnZoomedImageTask* task = new (ELeave) CGlxtnZoomedImageTask( |
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aRequestInfo, aFileUtility, aClient); |
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CleanupStack::PushL(task); |
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task->ConstructL(aRequestInfo.iBitmapHandle); |
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CleanupStack::Pop( task ); |
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return task; |
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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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CGlxtnZoomedImageTask::~CGlxtnZoomedImageTask() |
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{ |
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TRACER("CGlxtnZoomedImageTask::~CGlxtnZoomedImageTask()"); |
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delete iDecoder; |
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delete iInfo; |
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delete iThumbnail; |
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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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CGlxtnZoomedImageTask::CGlxtnZoomedImageTask( |
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const TGlxThumbnailRequest& aRequestInfo, |
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CGlxtnFileUtility& aFileUtility, |
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MGlxtnThumbnailCreatorClient& aClient) : |
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CGlxtnClientTask(KGlxtnTaskIdZoomedThumbnail, aRequestInfo.iId, aClient), |
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iFileUtility(aFileUtility), iRequestedSize(aRequestInfo.iSizeClass), |
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iCroppingRect(aRequestInfo.iCroppingRect), iFilter(aRequestInfo.iFilter), |
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iDrmAllowed(aRequestInfo.iDrmAllowed) |
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{ |
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TRACER("CGlxtnZoomedImageTask::CGlxtnZoomedImageTask( const TGlxThumbnailRequest& aRequestInfo, CGlxtnFileUtility& aFileUtility, MGlxtnThumbnailCreatorClient& aClient)"); |
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} |
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// ----------------------------------------------------------------------------- |
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// ConstructL |
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// ----------------------------------------------------------------------------- |
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// |
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void CGlxtnZoomedImageTask::ConstructL(TInt aBitmapHandle) |
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{ |
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TRACER("void CGlxtnZoomedImageTask::ConstructL(TInt aBitmapHandle)"); |
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// Duplicate the client's bitmap |
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iThumbnail = new (ELeave) CFbsBitmap(); |
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User::LeaveIfError(iThumbnail->Duplicate(aBitmapHandle)); |
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} |
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// ----------------------------------------------------------------------------- |
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// DoStartL |
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// ----------------------------------------------------------------------------- |
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// |
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TBool CGlxtnZoomedImageTask::DoStartL(TRequestStatus& aStatus) |
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{ |
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TRACER("TBool CGlxtnZoomedImageTask::DoStartL(TRequestStatus& aStatus)"); |
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101 |
iInfo = new (ELeave) CGlxtnFileInfo; |
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|
102 |
Client().FetchFileInfoL(iInfo, ItemId(), &aStatus); |
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|
103 |
iState = EStateFetchingUri; |
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|
104 |
|
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|
105 |
return ETrue; |
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|
106 |
} |
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|
107 |
|
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|
108 |
// ----------------------------------------------------------------------------- |
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|
109 |
// DoCancel |
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|
110 |
// ----------------------------------------------------------------------------- |
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|
111 |
// |
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|
112 |
void CGlxtnZoomedImageTask::DoCancel() |
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|
113 |
{ |
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|
114 |
TRACER("void CGlxtnZoomedImageTask::DoCancel()"); |
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|
115 |
if ( EStateFetchingUri == iState ) |
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|
116 |
{ |
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|
117 |
Client().CancelFetchUri(ItemId()); |
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|
118 |
} |
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|
119 |
if ( iDecoder ) |
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|
120 |
{ |
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|
121 |
iDecoder->Cancel(); |
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122 |
} |
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|
123 |
|
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|
124 |
iFileUtility.ClearBadFileMarker(); |
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|
125 |
} |
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|
126 |
|
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|
127 |
// ----------------------------------------------------------------------------- |
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|
128 |
// DoRunL |
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|
129 |
// ----------------------------------------------------------------------------- |
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130 |
// |
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|
131 |
TBool CGlxtnZoomedImageTask::DoRunL(TRequestStatus& aStatus) |
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|
132 |
{ |
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|
133 |
TRACER("TBool CGlxtnZoomedImageTask::DoRunL(TRequestStatus& aStatus)"); |
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|
134 |
TInt error = aStatus.Int(); |
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|
135 |
TBool active = EFalse; |
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|
136 |
|
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Revision: 201007
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|
137 |
if ( KErrNone == error ) |
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|
138 |
{ |
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Revision: 201007
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|
139 |
switch ( iState ) |
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Revision: 201007
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|
140 |
{ |
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|
141 |
case EStateFetchingUri: |
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Revision: 201007
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|
142 |
{ |
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Revision: 201007
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|
143 |
User::LeaveIfNull(iInfo); |
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Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
144 |
iFileUtility.CheckBadFileListL( iInfo->FilePath() ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
145 |
|
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Revision: 201007
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|
146 |
TBool video; |
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Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
147 |
iInfo->IdentifyFileL(video, iProtected); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
148 |
if ( iProtected && !iDrmAllowed ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
149 |
{ |
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Revision: 201007
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|
150 |
User::Leave(KErrAccessDenied); |
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Revision: 201007
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parents:
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|
151 |
} |
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Revision: 201007
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diff
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|
152 |
|
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Revision: 201007
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|
153 |
DecodePartialImageL(aStatus); |
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Revision: 201007
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|
154 |
active = ETrue; |
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Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
155 |
iState = EStateDecoding; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
156 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
157 |
break; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
158 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
159 |
case EStateDecoding: |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
160 |
// Nothing to do |
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Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
161 |
break; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
162 |
|
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Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
163 |
default: |
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Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
164 |
GLX_ASSERT_ALWAYS( EFalse, Panic( EGlxPanicIllegalState ), |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
165 |
"CGlxtnZoomedImageTask: Illegal state" ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
166 |
break; |
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Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
167 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
168 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
169 |
|
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
170 |
if ( !active ) |
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Revision: 201007
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parents:
diff
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|
171 |
{ |
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Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
172 |
iFileUtility.ClearBadFileMarker(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
173 |
Client().ThumbnailFetchComplete(ItemId(), |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
174 |
EGlxThumbnailQualityHigh, error); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
175 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
176 |
|
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
177 |
return active; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
178 |
} |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
179 |
|
74c9f037fd5d
Revision: 201007
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|
180 |
// ----------------------------------------------------------------------------- |
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Revision: 201007
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|
181 |
// DoRunError |
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Revision: 201007
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|
182 |
// ----------------------------------------------------------------------------- |
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Revision: 201007
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|
183 |
// |
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Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
184 |
TBool CGlxtnZoomedImageTask::DoRunError(TInt aError) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
185 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
186 |
TRACER("TBool CGlxtnZoomedImageTask::DoRunError(TInt aError)"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
187 |
iFileUtility.ClearBadFileMarker(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
188 |
Client().ThumbnailFetchComplete(ItemId(), EGlxThumbnailQualityHigh, aError); |
74c9f037fd5d
Revision: 201007
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|
189 |
|
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Revision: 201007
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|
190 |
return EFalse; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
191 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
192 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
193 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
194 |
// DecodePartialImageL |
74c9f037fd5d
Revision: 201007
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parents:
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|
195 |
// ----------------------------------------------------------------------------- |
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Revision: 201007
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|
196 |
// |
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Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
197 |
void CGlxtnZoomedImageTask::DecodePartialImageL(TRequestStatus& aStatus) |
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Revision: 201007
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|
198 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
199 |
TRACER("void CGlxtnZoomedImageTask::DecodePartialImageL(TRequestStatus& aStatus)"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
200 |
TRAPD(err, CreateDecoderL(CExtJpegDecoder::EHwImplementation)); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
201 |
if ( KErrNone != err ) |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
202 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
203 |
CreateDecoderL(CExtJpegDecoder::ESwImplementation); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
204 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
205 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
206 |
TSize sourceSize(iDecoder->FrameInfo().iOverallSizeInPixels); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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207 |
if ( 0 == sourceSize.iWidth || 0 == sourceSize.iHeight ) |
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{ |
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User::Leave(KErrCorrupt); |
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} |
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|
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iCroppingRect.Intersection(TRect(sourceSize)); |
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if ( iCroppingRect.IsEmpty() ) |
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{ |
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User::Leave(KErrArgument); |
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} |
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|
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// Find max scaling factor which won't make image smaller than target size |
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TInt shift = 3; |
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while ( shift |
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&& (sourceSize.iWidth >> shift) < iRequestedSize.iWidth |
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&& (sourceSize.iHeight >> shift) < iRequestedSize.iHeight ) |
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{ |
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shift--; |
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} |
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TInt fudge = (1 << shift) - 1; // Used to "round up" the scaled values |
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TSize loadSize((iCroppingRect.Width() + fudge) >> shift, |
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(iCroppingRect.Height() + fudge) >> shift); |
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|
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// Resize empty bitmap to required size |
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User::LeaveIfError(iThumbnail->Resize(loadSize)); |
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|
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iDecoder->SetCroppingL(iCroppingRect); |
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iDecoder->Convert(&aStatus, *iThumbnail); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CreateDecoderL |
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// ----------------------------------------------------------------------------- |
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// |
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void CGlxtnZoomedImageTask::CreateDecoderL(TInt aDecoderType) |
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{ |
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TRACER("void CGlxtnZoomedImageTask::CreateDecoderL(TInt aDecoderType)"); |
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delete iDecoder; |
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iDecoder = NULL; |
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iDecoder = CExtJpegDecoder::FileNewL( |
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static_cast<CExtJpegDecoder::TDecoderType>(aDecoderType), |
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iFileUtility.FsSession(), iInfo->FilePath()); |
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|
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if ( !(CExtJpegDecoder::ECapCropping & iDecoder->CapabilitiesL()) ) |
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{ |
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User::Leave(KErrNotSupported); |
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} |
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} |
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|
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// End of File |