author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:14:51 +0300 | |
branch | RCL_3 |
changeset 59 | 8e5f6eea9c9f |
permissions | -rw-r--r-- |
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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: Handles & propogates UI state change notifications. |
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* |
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*/ |
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#ifndef GLXHDMISURFACEUPDATER_H_ |
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#define GLXHDMISURFACEUPDATER_H_ |
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|
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#include <w32std.h> |
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#include <fbs.h> |
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|
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// GCE Surface |
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#include "graphics/surfacemanager.h" |
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#include "graphics/surface.h" |
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#include "graphics/surfaceupdateclient.h" |
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#include <graphics/surfaceconfiguration.h> |
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|
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// forward decleration |
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class CGlxActiveCallBack; |
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class CGlxHdmiDecoderAO; |
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class CImageDecoder; |
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class CAlfCompositionSource; |
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class TSurfaceConfiguration; |
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class MGlxGenCallback |
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{ |
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public: |
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virtual void DoGenCallback() = 0; |
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}; |
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|
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/** |
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* Class Description |
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* This is the main class which processes images to the surface |
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* |
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*/ |
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class CGlxHdmiSurfaceUpdater: public CBase |
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{ |
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public: |
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/** |
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* NewL |
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* @param aWindow RWindow |
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* @param aImageFile Image File path |
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* @param aFsBitmap Fullscreen bitmap (if FS not available,make sure to send grid or default bitmap |
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* else it would appear white screen on TV ) |
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* @param aCallBack MGlxGenCallback instance |
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* @param aEffectsOn If Effects should be on |
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*/ |
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static CGlxHdmiSurfaceUpdater* NewL(RWindow* aWindow, const TDesC& aImageFile, |
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CFbsBitmap* aFsBitmap, MGlxGenCallback* aCallBack,TBool aEffectsOn); |
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/** |
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* Destructor |
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*/ |
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~CGlxHdmiSurfaceUpdater(); |
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public: |
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/** |
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* This is to cancel the active object from decoding |
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*/ |
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void HandleRunL(TRequestStatus& aStatus); |
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/** |
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* This updates the new image. |
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* @param aImageFile image path |
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* @param aFsBitmap Fullscreen Bitmap |
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* |
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* NOTE : if FS not available,make sure to send grid or default bitmap |
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* else it would appear white screen on TV |
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*/ |
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void UpdateNewImageL(const TDesC& aImageFile,CFbsBitmap* aFsBitmap); |
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/** |
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* Activate Zoom |
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* @param aAutoZoomOut if it should auto zoom out |
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*/ |
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void ActivateZoom(TBool aAutoZoomOut); |
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/** |
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* Deactivate Zoom |
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*/ |
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void DeactivateZoom(); |
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/** |
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* ShiftToCloningMOde |
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*/ |
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void ShiftToCloningMode(); |
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/** |
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* ShiftToPostingMode |
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*/ |
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void ShiftToPostingMode(); |
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|
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/** |
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* Fadeing of the Surface |
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* @param aFadeInOut ETrue - FadeIn ( as in gaining brightness ) |
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* EFalse - FadeOut ( as in loosing brightness ) |
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*/ |
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void FadeTheSurface(TBool aFadeInOut); |
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|
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private: |
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/** |
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* Constructor |
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* @param aWindow RWindow |
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* @param aCallBack MGlxGenCallback instance |
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* @param aEffectsOn if effects should be on |
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*/ |
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CGlxHdmiSurfaceUpdater(RWindow* aWindow, MGlxGenCallback* aCallBack,TBool aEffectsOn); |
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/** |
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* ConstructL |
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* @param aFsBitmap Fullscreen Bitmap |
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* @param aImageFile image file path |
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*/ |
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void ConstructL(CFbsBitmap* aFsBitmap,const TDesC& aImageFile); |
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|
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/** |
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* Create a New surface with given size |
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*/ |
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void CreateSurfaceL(); |
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|
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/** |
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* MapSurfaceL |
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*/ |
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void MapSurfaceL(); |
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|
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/** |
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* This fundtion wont be called , could be used if double buffering is planned in future |
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* to start the second decoder AO and update the surface with a new session. |
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*/ |
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static TInt SurfBuffer0Ready(TAny* aObject); |
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|
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/** |
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* Call a refresh on the screen |
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*/ |
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void Refresh(); |
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|
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/** |
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* Dump the buffer on to the surface stride |
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*/ |
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void SwapBuffers(); |
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|
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/** |
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* Release contents |
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*/ |
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void ReleaseContent(); |
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|
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/** |
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* Create bitmap |
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*/ |
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void CreateBitmapL(); |
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|
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/** |
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* Create an image decoder with given file |
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*/ |
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void CreateImageDecoderL(); |
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|
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/** |
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* Creating all enablers for HDMI |
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* @param aCreateSurface if creating a surface is required, |
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* by default it is not required |
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*/ |
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void CreateHdmiL(TBool aCreateSurface = ETrue); |
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|
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/** |
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* Zoom in our out depending on parameter |
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* @param aZoom if should be zoomed |
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*/ |
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void Zoom(TBool aZoom); |
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/** |
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* This if for zoom timer timeout |
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*/ |
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static TInt TimeOut(TAny* aSelf); |
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/** |
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* Animation time out timer |
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*/ |
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static TInt AnimationTimeOut(TAny* aSelf); |
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|
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/** |
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* ModifySurface positions of the surface to be displayed on screen |
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*/ |
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void ModifySurfacePostion(); |
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|
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/** |
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* Process the image for TV |
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*/ |
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void ProcessTvImage(); |
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|
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/** |
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* Shows the FS thumbnail first before showing |
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* Decoded HD image |
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*/ |
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void ShowFsThumbnailL(); |
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|
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/** |
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* Recalculate the size for png/bmp as decoder fails to |
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* decode for desired size |
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* @return the Size of the desired image supported by the decoder |
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*/ |
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TSize ReCalculateSizeL(); |
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|
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/** |
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* If the image format is non jpeg, then we need to calculate as per |
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* reduction factor and reduced size as what the decoder is going to return us |
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* This function returns if that needs to be done. |
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* |
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* @return check the image mime type and return True if the recaulation of size needs |
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* to be done else return false |
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*/ |
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TBool DoesMimeTypeNeedsRecalculateL(); |
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|
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/** |
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* If the image format is non jpeg, then we need to scale the bitmap after it is |
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* decoded, as the return value would not fit the screen |
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* @param |
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*/ |
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void ScaleDecodedBitmapL(TInt aBitmapIndex); |
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|
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/** |
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* InitiateHDMI |
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* @param aFsBitmap Fullscreen Bitmap |
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* @param aImageFile Image path |
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*/ |
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void InitiateHdmiL(CFbsBitmap* aFsBitmap,const TDesC& aImageFile); |
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|
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/** |
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* Animate untill loop is complete |
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*/ |
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void Animate(); |
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|
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private: |
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/// window object |
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RWindow* iWindow; |
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/// FS bitmap |
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CFbsBitmap* iFsBitmap; |
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/// callback to the HdmiContainer window |
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MGlxGenCallback* iCallBack; |
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/// To store the image uri path |
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HBufC* iImagePath; |
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TBool iEffectsOn; |
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|
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/// If the Fs thumbnail is to be shown before decoding HD images |
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TBool iShwFsThumbnail; |
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/// If the item is non jpeg |
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TBool iIsNonJpeg; |
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/// If FadeIn or Out for only SLideshow animation |
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TBool iFadeIn; |
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|
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/// GCE Surface |
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RSurfaceUpdateSession iSurfUpdateSession; |
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/// TSurfaceId |
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TSurfaceId iSurfId; |
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/// RSurfaceManager |
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RSurfaceManager* iSurfManager; |
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/// RChunk |
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RChunk* iSurfChunk; |
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/// surface stride |
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TInt iSurfaceStride; |
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/// surface configuration for zoom |
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TSurfaceConfiguration iConfig; |
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|
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/** Array of Decoded bitmaps of the focussed image |
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* 1 - contains FS/Grid Thumbnail, 2- HD image, |
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* (optional)3-Scaled png/bmp images |
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*/ |
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CFbsBitmap* iDecodedBitmap[3]; |
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|
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/// Surface buffer |
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void* iSurfBuffer; |
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/// Surface buffer AO |
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CGlxActiveCallBack* iSurfBufferAO; |
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|
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CAlfCompositionSource* ialfCompositionSurface; |
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|
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/// Internal Image decoder AO |
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CGlxHdmiDecoderAO* iGlxDecoderAO; |
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/// Image Decoder |
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CImageDecoder* iImageDecoder; |
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/// RFs |
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RFs iFsSession; |
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|
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TPoint iLeftCornerForZoom; |
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/// Timer for Zoom |
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CPeriodic* iTimer; |
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/// Timer for Animation |
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CPeriodic* iAnimTimer; |
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TInt iAnimCounter; |
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|
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/// Various objects to store sizes and count |
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/// to store the Tv screen size |
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TSize iTvScreenSize; |
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/// To Store the target bitmap size to display(as per Aspect Ratio) |
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TSize iTargetBitmapSize; |
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|
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/// Various flags to store values |
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/// Is zoomed |
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TBool iZoom; |
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/// If the bitmap is decoded and ready |
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TBool iBitmapReady; |
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/// If the UI has asked for auto zoomout |
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TBool iAutoZoomOut; |
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/// If surface session is connected |
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TBool iSurfSessionConnected; |
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/// If it is set to shift to cloning mode |
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TBool iShiftToCloning; |
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#ifdef _DEBUG |
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TTime iStartTime; |
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TTime iStopTime; |
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#endif |
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/// The bitmap index in the array of bitmaps |
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enum { |
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EFSBitmapIndex = 0, |
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EJpgDecodedBitmapIndex, |
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ENonJpgDecodedBitmapIndex |
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}; |
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}; |
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#endif /* GLXHDMISURFACEUPDATER_H_ */ |