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 1 | 9ba538e329bd |
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 |
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* |
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*/ |
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#ifndef C_GLXTEXTUREMANAGERIMPL_H |
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#define C_GLXTEXTUREMANAGERIMPL_H |
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#include <e32base.h> |
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#include <badesca.h> // For CDesCArrayFlat |
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#include <e32cmn.h> |
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#include <AknsItemID.h> |
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#include <alf/alftexture.h> |
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#include <alf/alfbitmapprovider.h> |
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#include <alf/alftimedvalue.h> |
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#include <mpxattribute.h> |
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#include <mglxresolutionchangeobserver.h> |
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#include "glxbitmapdecoderwrapper.h" |
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#include <glxmediaid.h> |
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|
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#include <imageconversion.h> |
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#include <bitmaptransforms.h> |
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#include <mglxcacheobserver.h> |
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class CAlfTexture; |
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class CGlxDRMUtility; |
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class CGlxMedia; |
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//class CAlfGifAnimationTexture; |
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class CAlfImageLoaderUtil; |
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class CAlfTextureManager; |
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class MGlxCache; |
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class TGlxMedia; |
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class CGlxResolutionUtility; |
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class MGlxTextureObserver; |
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class CGlxBitmapDecoderWrapper; |
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class MGlxBitmapDecoderObserver; |
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class CGlxThumbnailAttribute; |
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/** |
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* CGlxTextureManagerImpl |
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* |
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* Implementation of Texture Manager component. |
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* |
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* @author David Holland |
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* @internal reviewed 03/07/2007 by Dan Rhodes |
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* |
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*/ |
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class CGlxTextureManagerImpl : public CBase, public MAlfBitmapProvider, |
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public MGlxResolutionChangeObserver, |
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public MGlxBitmapDecoderObserver, |
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public MGlxCacheObserver |
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{ |
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public: |
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/** |
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* Two-phased constructor |
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* @param aAlfTextureManager The Alf Texture Manager |
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* @return Constructed object |
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*/ |
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static CGlxTextureManagerImpl* NewL( |
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CAlfTextureManager& aAlfTextureManager); |
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|
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/** |
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* Two-phased constructor |
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* @param aAlfTextureManager The Alf Texture Manager |
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* @return Constructed object |
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*/ |
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static CGlxTextureManagerImpl* NewLC( |
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CAlfTextureManager& aAlfTextureManager); |
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|
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/** |
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* Destructor |
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*/ |
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~CGlxTextureManagerImpl(); |
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|
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/** |
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* Determins if the texture need updating |
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* @param aMediaId The Id of the media item |
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* @param aIdSpaceId The Id of the Id space in which the media Id is defined |
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* @param aRequiredSize The preferred size of the texture |
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* @return ETrue if the texture needs updating. EFalse if not. |
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*/ |
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TBool TextureNeedsUpdating(TGlxMedia aMedia, TGlxIdSpaceId aIdSpaceId, |
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const TSize& aRequiredSize); |
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/** |
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* Create a texture from an icon within the application |
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* @param aSkinID The skin Id associated with the icon |
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* @param aIconResourceId The Id associated with the icon .mif file |
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* @param aFilename The full path name of the .mif file |
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* @param aSetColor ETrue if colour of icon is to be modified |
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* @param aDefaultColor colour use if skin clour not specified or not found |
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* @param aSkinColorId Id of the skin colour table |
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* @param aSkinColorIndex Index of the colour in the table |
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* @param aRequestedSize requested size. If default used size is based on size of original graphic |
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* @return Created texture |
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*/ |
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CAlfTexture& CreateIconTextureL(const TAknsItemID& aSkinID, |
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TInt aIconResourceId, |
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const TDesC& aFilename, |
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TBool aSetColor, |
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TRgb aDefaultColor, |
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const TAknsItemID& aSkinColorId, |
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TInt aSkinColorIndex, |
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TSize aRequestedSize); |
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|
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/** |
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* Requests the best match texture. If it already exists this method does nothing. |
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* However if it doed not exist it will create it and replace the old texture |
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* if necessary. |
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* @param aSize The size of the requested texture |
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* @param aMedia The TGlxMedia item |
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* @param aIdSpaceId The Id of the Id space in which the media Id is defined |
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* @param aObserver Observer for the texture. |
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* @param aScaleGridTnm ETrue if the grid tnm to be scaled else EFalse. |
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* @return Created texture, or NULL if the texture alreay exists |
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*/ |
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CAlfTexture& CreateNewTextureForMediaL(TSize aSize, const TGlxMedia& aMedia, |
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const TGlxIdSpaceId& aIdSpaceId, MGlxTextureObserver* aObserver, TBool aScaleGridTnm ); |
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|
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|
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/** |
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* Create a texture from a zoomed thumbnail attribute of a media item |
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* @param aMedia The media item |
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* @param aAttribute Which attribute |
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* @param aIdSpaceId The Id of the Id space in which the media Id is defined |
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* @param aObserver Observer for the texture. |
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* @return Created texture |
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*/ |
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CAlfTexture& CreateZoomedTextureL(const TGlxMedia& aMedia, |
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const TMPXAttribute& aAttribute, |
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TGlxIdSpaceId aIdSpaceId, MGlxTextureObserver* aObserver); |
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|
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/** |
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* If we have a texture ID, we recreate the Zoomed texture based on that |
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* |
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* @param aTextureID the texture ID to create the texture on. |
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*/ |
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CAlfTexture* CreateZoomedTextureL( ); |
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|
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/** |
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* Create an animated texture from a GIF file |
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* @param aFilename The filename of the GIF file |
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* @param aSize The size of the GIF file |
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* @param aMedia The media item |
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* @param aIdSpaceId The Id of the Id space in which the media Id is defined |
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* @return Created texture: ownership transfered |
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*/ |
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CAlfTexture& CreateAnimatedGifTextureL(const TDesC& aFilename, const TSize& aSize, |
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const TGlxMedia& aMedia, TGlxIdSpaceId aIdSpaceId); |
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|
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/** |
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* Removes the texture if it was created by CreateThumbnailTextureL or |
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* CreateZoomedTextureL |
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* @param aTexture The texture to be removed |
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*/ |
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void RemoveTexture( const CAlfTexture& aTexture ); |
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|
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/** |
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* Removes all Texteures |
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* |
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*/ |
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void FlushTextures() ; |
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/** |
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* Removes the texture if it was created by CreateThumbnailTextureL or |
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* CreateZoomedTextureL |
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* @param aTexture The texture to be removed |
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*/ |
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void RemoveZoomList(); |
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|
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/** |
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* Removes the texture if it was created by CreateThumbnailTextureL or |
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* CreateZoomedTextureL |
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* @param TGlxMediaId The iMediaId to be removed |
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* @param aAllTexture Flag to remove all textures |
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* Bug fix for PKAA-7NRBYZ - added bAllTexture param. |
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*/ |
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void RemoveTexture( const TGlxMediaId& aMediaId, TBool aAllTexture); |
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/** |
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* Creates a flat color texture and returns the reference to it |
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*/ |
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CAlfTexture& CreateFlatColourTextureL( TRgb aColour ); |
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public: // From MGlxCacheObserver |
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void HandleAttributesAvailableL(const TGlxIdSpaceId& aIdSpaceId, |
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const TGlxMediaId& aMediaId, |
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const RArray<TMPXAttribute>& aAttributes, |
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const CGlxMedia* aMedia); |
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void CleanupMedia(const TGlxMediaId& aMediaId); |
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public: // from MAlfBitmapProvider |
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void ProvideBitmapL(TInt aId, |
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CFbsBitmap*& aBitmap, |
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CFbsBitmap*& aMaskBitmap); |
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public: // From MGlxResolutionChangeObserver |
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void HandleResolutionChangedL(); |
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|
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/** |
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* Updates the texture for every Icon in the IconList. |
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*/ |
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void UpdateTexture(); |
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public: // From MGlxTextureRotatorObserver |
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void HandleBitmapDecodedL(TInt aThumbnailIndex,CFbsBitmap* aBitmap); |
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private: |
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/** |
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* Constructor |
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* @param aAlfTextureManager The Alf Texture Manager |
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*/ |
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CGlxTextureManagerImpl(CAlfTextureManager& aAlfTextureManager); |
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|
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/** |
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* Second-phase constuction |
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*/ |
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void ConstructL(); |
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/** |
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* GetThumbnailAttributeAndIndexL |
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* @param aSize The size of the requested texture |
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* @param aMedia The TGlxMedia item. |
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* @param aThumbnailIndex on return will contain the Index of the thumbnail in the iThumbnailList |
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* or KErrNotFound |
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* @param aThumbnailAttribute on return will contain the Thumbnail attribute (if found) |
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* @return ETrue if Thumbnail is available, EFalse if it needs to be created |
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*/ |
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TBool GetThumbnailAttributeAndIndexL( TSize aSize, const TGlxMedia& aMedia, |
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const TGlxIdSpaceId& aIdSpaceId, TInt& aThumbnailIndex, |
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TMPXAttribute& aThumbnailAttribute ); |
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|
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/** |
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* TGlxIcon |
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* Values associated with a bitmap/svg icon |
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*/ |
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class TGlxIcon |
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{ |
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public: |
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TInt iTextureId; |
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CAlfTexture* iTexture; |
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TAknsItemID iAvkonSkinId; |
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TInt iBitmapId; |
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TInt iFilenameIndex; |
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TBool iSetColor; // indicates if color to be modified |
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TRgb iDefaultColor; |
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TAknsItemID iSkinColorId; |
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TInt iSkinColorIndex; |
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TReal32 iHeightInPoss; |
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TReal32 iWidthInPoss; |
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|
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/** |
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* Helper functor to be able to find texture from array |
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*/ |
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static TBool MatchTexture( |
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const CAlfTexture* aTexture, |
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const TGlxIcon& aRhs ) |
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{ |
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// return true if the address of the texture match |
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return aTexture == aRhs.iTexture; |
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} |
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}; |
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|
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/** |
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* TGlxThumbIcon |
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* Values associated with a thumbnail. |
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*/ |
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class TGlxThumbnailIcon |
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{ |
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public: |
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TInt iTextureId; |
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CAlfTexture* iTexture; |
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TMPXAttribute iAttribId; |
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TSize iRequiredSize; |
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TGlxMediaId iMediaId; |
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TGlxIdSpaceId iIdSpaceId; |
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MGlxTextureObserver* iObserver; |
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CFbsBitmap* iBitmap; |
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TTime iImageDate; |
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/** |
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* Helper functor to be able to find texture from array |
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*/ |
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static TBool MatchTexture( |
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const CAlfTexture* aTexture, |
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const TGlxThumbnailIcon& aRhs ) |
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{ |
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// return true if the address of the texture match |
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return aTexture == aRhs.iTexture; |
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} |
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}; |
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/** |
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* Requests the best match texture. If it already exists this method does nothing. |
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* However if it doed not exist it will create it and replace the old texture |
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* if necessary. |
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* @param aSize The size of the requested texture |
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* @param aMedia The TGlxMedia item |
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* @param aIdSpaceId The Id of the Id space in which the media Id is defined |
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* @param aObserver Observer for the texture. |
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* @param aAttribute specifies the type of texture to create |
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* @param aThumbData the tumbnail data |
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* @param aScaleGridTnm ETrue if the grid tnm to be scaled else EFalse. |
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* @return Created texture, or NULL if the texture alreay exists |
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*/ |
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CAlfTexture& CreateNewTextureL( TSize aSize, const TGlxMedia& aMedia, |
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const TGlxIdSpaceId& aIdSpaceId, MGlxTextureObserver* aObserver, |
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TMPXAttribute& aAttribute, TGlxThumbnailIcon& aThumbData,TBool aIsThumbnailTexture, TBool aScaleGridTnm); |
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|
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|
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/** |
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* TGlxProvideBitmapHolder |
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* Used to hold the bitmaps and their associated texture id between |
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* the call to create the alf texture and the callback to ProvideBitmap. |
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*/ |
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class TGlxProvideBitmapHolder |
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{ |
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333 |
public: |
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TInt iTextureId; |
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CFbsBitmap* iBitmap; // not owned |
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CFbsBitmap* iMaskBitmap; // not owned |
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}; |
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|
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/** |
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* Select the most appropriate attribute to use to load bitmap |
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* @param aThumbnail contains the data concerning the texture |
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* @param aMedia the media |
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* @return Index of selected attribute in list or KErrNotFound |
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*/ |
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TMPXAttribute SelectAttributeL(TSize& aThumbnail, |
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const TGlxMedia& aMedia); |
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|
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|
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/** |
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* Duplicates a bitmap |
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* @param aOriginalBitmap original bitmap |
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* @return duplicate bitmap |
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*/ |
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CFbsBitmap* CreateDuplicateBitmapL( CFbsBitmap& aOriginalBitmap ); |
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|
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/** |
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* Increments the texture id and returns it |
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* @return next texture id |
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*/ |
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TInt NextTextureId(); |
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|
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// void DoHandleResolutionChangedL(TInt aIconIndex); |
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|
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/** |
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* Scales the grid Thumbnail bitmap to the fullscreen keeping the aspect |
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* ratio. |
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* @param aSrcSize The size of the original image |
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* @param aDestSize The Fullscreen size |
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* @param aScaledBitmap Pointer to the scaled bitmap |
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* @param thumb thumbnail attributes. |
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*/ |
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void ScaleGridTnmToFsL(TSize aSrcSize, TSize aDestSize, |
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CFbsBitmap *aScaledBitmap, const CGlxThumbnailAttribute* thumb); |
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|
12
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|
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/** |
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* GetAnimatedGifThumbnailIndex |
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* @param aSize The size of the requested texture |
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* @param aMedia The TGlxMedia item. |
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* @param aIdSpaceId The Id of the Id space in which the media Id is defined |
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* @param aThumbnailIndex on return will contain the Index of the thumbnail in the iAnimatedTnmList |
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* or KErrNotFound |
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* @return ETrue if Thumbnail is available, EFalse if it needs to be created |
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*/ |
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TBool CGlxTextureManagerImpl::GetAnimatedGifThumbnailIndex( TSize aSize, |
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const TGlxMedia& aMedia, const TGlxIdSpaceId& aIdSpaceId, |
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TInt& aThumbnailIndex); |
0
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private: |
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// Alf Texture manager (not owned) |
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CAlfTextureManager& iAlfTextureManager; |
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|
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// Next id to be allocated to icon textures provide within the application. |
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TInt iNextTextureId; |
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|
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// List containing data for icon textures provided within the application. |
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RArray<TGlxIcon> iIconList; |
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397 |
|
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// List containing data for textures generated from thumbnail bitmaps. |
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RArray<TGlxThumbnailIcon> iThumbnailList; |
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|
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// List containing data for textures generated from zoomed thumbnail. |
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RArray<TGlxThumbnailIcon> iZoomedList; |
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403 |
|
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// List containing data for textures generated from Animated thumbnail. |
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RArray<TGlxThumbnailIcon> iAnimatedTnmList; |
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|
0
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// List of .mif filenames of files containing icons. |
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CDesCArrayFlat* iMifFilenames; |
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|
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// DRM utility class |
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CGlxDRMUtility* iDrmUtility; |
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// MGlxCache instance |
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MGlxCache* iCache; |
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// CGlxResolutionUtility instance |
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CGlxResolutionUtility* iResUtil; |
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//The Bitmap Decoder Engine |
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CGlxBitmapDecoderWrapper* iZoomDecoder; |
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// Temporary storage class used between call to create a texture and the |
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//callback from alf to ProvideBitmap |
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TGlxProvideBitmapHolder iProvideBitmapHolder; |
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}; |
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#endif // C_GLXTEXTUREMANAGERIMPL_H |