os/graphics/graphicsresourceservices/graphicsresource/inc/sgimagecollectionadapter.h
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/graphicsresourceservices/graphicsresource/inc/sgimagecollectionadapter.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,121 @@
     1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +/**
    1.20 + @file
    1.21 + @publishedPartner
    1.22 + @prototype
    1.23 +*/
    1.24 +
    1.25 +#ifndef SGIMAGECOLLECTIONADAPTER_H
    1.26 +#define SGIMAGECOLLECTIONADAPTER_H
    1.27 +
    1.28 +#include <graphics/sgresourceadapter.h>
    1.29 +#include <graphics/sgimagecollection.h>
    1.30 +
    1.31 +
    1.32 +/**
    1.33 +@publishedPartner
    1.34 +@prototype
    1.35 +@deprecated
    1.36 +
    1.37 +This interface must be implemented by all the user-side objects in the adaptation
    1.38 +layer of the Graphics subsystem which are referenced by instances of RSgImageCollection.
    1.39 +The interface between the user-side and the kernel-side parts of the adaptation
    1.40 +layer is outside the scope of the specification of the Graphics Resource API.
    1.41 +
    1.42 +@see RSgImageCollection
    1.43 +*/
    1.44 +class MSgImageCollectionAdapter: public MSgResourceAdapter
    1.45 +	{
    1.46 +public:
    1.47 +	/**
    1.48 +	@publishedPartner
    1.49 +	@prototype
    1.50 +
    1.51 +	Retrieves the surface identifier of the image collection represented by this
    1.52 +	adapter object.
    1.53 +
    1.54 +	@return The surface identifier of the image collection.
    1.55 +	@see RSgImageCollection::SurfaceId()
    1.56 +	*/
    1.57 +	virtual const TSurfaceId& SurfaceId() const = 0;
    1.58 +	/**
    1.59 +	@publishedPartner
    1.60 +	@prototype
    1.61 +	@deprecated
    1.62 +
    1.63 +	Retrieves the values of the attributes of the images in the image collection
    1.64 +	represented by this adapter object.
    1.65 +
    1.66 +	@param aInfo On input, the globally unique identifiers of the user-defined
    1.67 +	       attributes to be retrieved from the image collection, if any. On return,
    1.68 +	       the values of the attributes of the images in the collection and the
    1.69 +	       values of the selected user-defined attributes.
    1.70 +	@pre If aInfo.iUserAttributes is not null then it points to an array of
    1.71 +	     aInfo.iUserAttributeCount elements with globally unique identifiers
    1.72 +	     corresponding to user-defined attributes attached to the image collection.
    1.73 +	@return KErrNone if successful.
    1.74 +	@return KErrNotFound if any of the user-defined attributes to be retrieved from
    1.75 +	        the image collection cannot be found.
    1.76 +	@see RSgImageCollection::GetInfo()
    1.77 +	*/
    1.78 +	virtual TInt GetInfo(TSgImageInfo& aInfo) const = 0;
    1.79 +	/**
    1.80 +	@publishedPartner
    1.81 +	@prototype
    1.82 +	@deprecated
    1.83 +
    1.84 +	Retrieves the number of images in the image collection represented by this
    1.85 +	adapter object.
    1.86 +
    1.87 +	@return The number of images in the image collection.
    1.88 +	@see RSgImageCollection::Count()
    1.89 +	*/
    1.90 +	virtual TInt Count() const = 0;
    1.91 +	/**
    1.92 +	@publishedPartner
    1.93 +	@prototype
    1.94 +	@deprecated
    1.95 +
    1.96 +	Opens a new handle to one of the images in the image collection represented by
    1.97 +	this adapter object. If there are no handles to the image open in the calling
    1.98 +	process then this function creates a new adapter object that represents the image
    1.99 +	in the context of the calling process. Otherwise this function just increments
   1.100 +	the reference count of the existing adapter object that represents the image
   1.101 +	in the context of the calling process.
   1.102 +
   1.103 +	@param aIndex The index of the image within the image collection.
   1.104 +	@param aResult On return, a pointer to the adapter object that represents the
   1.105 +	       specified image in the collection.
   1.106 +	@pre aIndex is greater than or equal to zero and less than the number of images
   1.107 +	     in the collection.
   1.108 +	@pre aResult is null.
   1.109 +	@post aResult points to either a newly created or an existing adapter object
   1.110 +	      that represents the specified image in the collection. If a new adapter
   1.111 +	      object is created then its initial reference count is one and the reference
   1.112 +	      count for the image collection is incremented by one. Otherwise only the
   1.113 +	      reference count for the adapter object is incremented by one.
   1.114 +	@return KErrNone if successful.
   1.115 +	@return KErrInUse if aResult was not null.
   1.116 +	@return KErrArgument if aIndex is invalid.
   1.117 +	@return KErrNoMemory if there is not enough system memory.
   1.118 +	@see RSgImageCollection::OpenImage()
   1.119 +	*/
   1.120 +	virtual TInt OpenImage(TInt aIndex, MSgDrawableAdapter*& aResult) = 0;
   1.121 +	};
   1.122 +
   1.123 +
   1.124 +#endif // SGIMAGECOLLECTIONADAPTER_H