author | William Roberts <williamr@symbian.org> |
Tue, 16 Mar 2010 16:12:26 +0000 | |
branch | Symbian2 |
changeset 2 | 2fe1408b6811 |
parent 0 | 061f57f2323e |
child 4 | 837f303aceeb |
permissions | -rw-r--r-- |
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// Copyright (c) 2007-2009 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.symbianfoundation.org/legal/licencesv10.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: |
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// This is the public client API for the Image Transform Library |
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// |
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// |
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/** |
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@file |
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@publishedAll |
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@released |
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*/ |
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#ifndef __IMAGETRANSFORM_H__ |
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#define __IMAGETRANSFORM_H__ |
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#include <e32base.h> |
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#include <fbs.h> |
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// fwd refs |
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class CImageTransformFramework; //fwd ref |
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class CImageTransformPluginExtension; |
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/** |
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The public API for clients to call the Image Transform (scaling) library. |
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This class provides functions to scale images held in files or descriptors. |
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@publishedAll |
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@released |
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*/ |
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class CImageTransform : public CBase |
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{ |
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public: |
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/** |
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Flags to control how the image is transformed. |
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The EThumbnail and EIgnoreExifMetadataProcessing are mutually exclusive, |
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and SHOULD NOT be used together. If they are, then EThumbnail is used. |
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*/ |
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enum TOptions |
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{ |
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/** No flag set. This is the default option*/ |
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EOptionNone = 0x00, |
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/** If set, the destination image will always have a thumbnail. |
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If the source already has a thumbnail, then this is the one that will appear |
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in the destination, otherwise one will be generated. */ |
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EThumbnail = 0x01, |
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/** If set, then the Exif data is not parsed and ExifMetaData() will always return NULL. If the source image is EXIF, |
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then the EXIF information is copied without modification (i.e. without parsing) to the destination. In cases where |
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the source is JFIF, the destination image is also JFIF. |
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*/ |
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EIgnoreExifMetadataProcessing = 0x02, |
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/** |
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TOptions should not be set greater than or equal to this value. |
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*/ |
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EEnumBoundary = 0x04 |
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}; |
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public: |
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IMPORT_C static CImageTransform* NewL(RFs& aFs); |
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IMPORT_C ~CImageTransform(); |
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IMPORT_C void SetPluginUidL(TUid aPluginUid); |
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IMPORT_C void SetSourceFilenameL(const TDesC& aFilename); |
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IMPORT_C void SetSourceDataL(const TDesC8& aData); |
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IMPORT_C void SetSourceMimeTypeL(const TDesC8& aMIMEType); |
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IMPORT_C void SetSourceImageTypeL(TUid aImageType, TUid aImageSubType = KNullUid); |
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IMPORT_C void SetSourceRect(const TRect& aRect); |
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IMPORT_C void ClearSourceRect(); |
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IMPORT_C void SetDestFilenameL(const TDesC& aFilename); |
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IMPORT_C void SetDestDataL(HBufC8*& aData); |
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IMPORT_C void SetDestSizeInPixelsL(const TSize& aDestinationSize, TBool aMaintainAspectRatio = ETrue); |
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IMPORT_C void SetOptionsL(TUint aOptions); |
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IMPORT_C void SetPreserveImageData(TBool aPreserveImageData); |
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IMPORT_C void SetupL(); |
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IMPORT_C void Transform(TRequestStatus& aStatus); |
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IMPORT_C void CancelTransform(); |
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IMPORT_C void Reset(); |
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IMPORT_C CImageTransformPluginExtension* Extension() const; |
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private: |
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CImageTransform(); |
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void ConstructL(RFs& aFs); |
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private: |
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CImageTransformFramework* iBody; |
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}; |
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#endif // __IMAGETRANSFORM_H__ |