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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 "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:
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//
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/**
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@file
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@publishedPartner
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@prototype
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*/
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#ifndef ECAMVIEWFINDERINTF_H
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#define ECAMVIEWFINDERINTF_H
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#include <ecamviewfinder.h>
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#include <ecam/ecamadvsettingsintfuids.hrh>
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class MImplementationFactory;
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/** This is the UID which is used to obtain the interface MCameraV2DirectViewFinder, via the
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CCamera::CustomInterface() call. */
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static const TUid KECamMCameraV2DirectViewFinderUid = {KECamMCameraV2DirectViewFinderUidValue};
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/** This is the UID which is used to obtain the interface MCameraClientViewFinder, via the
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CCamera::CustomInterface() call. */
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static const TUid KECamMCameraClientViewFinderUid = {KECamMCameraClientViewFinderUidValue};
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/** This is the UID which is used to obtain the interface MCameraViewFinder for v2 direct viewfinder, via the
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CCamera::CustomInterface() call. */
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static const TUid KECamMCameraBaseV2DirectViewFinderUid = {KECamMCameraBaseV2DirectViewFinderUidValue};
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/** This is the UID which is used to obtain the interface MCameraViewFinder for client viewfinder, via the
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CCamera::CustomInterface() call. */
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static const TUid KECamMCameraBaseClientViewFinderUid = {KECamMCameraBaseClientViewFinderUidValue};
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/**
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This is the UID which is used to obtain the MCameraDirectSnapshot interface,
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via a call to CCamera::CustomInterface(), which provides implementation of the M-class interface.
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@see KECamMCameraDirectSnapshotUidValue
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@publishedPartner
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@prototype
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*/
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static const TUid KECamMCameraDirectSnapshotUid = {KECamMCameraDirectSnapshotUidValue};
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/** Mixin class for implementation of viewfinder methods common to both client and direct viewfinder. These methods will
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be called in the context of either client viewfinder or direct viewfinder.
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*/
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class MCameraViewFinder
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{
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public:
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/**
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Releases the interface.
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*/
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virtual void Release()=0;
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/**
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Retrieves the fading capabilites for a particular viewfinder.
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@param aVFFadingCapabilities
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Retrieves the fading capabilities associated with the given viewfinder.
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@leave May leave with any error code.
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@internalTechnology
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*/
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virtual void GetViewFinderFadingCapabilitiesL(CCameraViewFinder::TViewFinderFadingCapabilities& aVFFadingCapabilities) const=0;
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/**
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Retrieves the current fading effect/control being used for a particular viewfinder.
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@param aCurrentVFFadingEffect
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Retrieves the fading effects associated with the given viewfinder.
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@leave May leave with any error code.
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@internalTechnology
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*/
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virtual void GetViewFinderFadingEffectL(CCameraViewFinder::TViewFinderFadingEffect& aCurrentVFFadingEffect) const=0;
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/**
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Sets the fading effect/control for a particular viewfinder.
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@param aVFFadingEffect
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The desired fading effects associated with the given viewfinder.
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@note Event KUidECamEvent2ViewFinderFadingEffect is used to notify the requesting client about setting of the
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fading effect.
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@internalTechnology
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*/
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virtual void SetViewFinderFadingEffect(const CCameraViewFinder::TViewFinderFadingEffect& aVFFadingEffect)=0;
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/**
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Retrieves the handle number which represents the given viewfinder object.
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@param aVFHandle
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The viewfinder handle
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@leave May leave with any error code.
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@note KECamDefaultViewFinderHandle is used to refer to the viewfinder started using CCamera methods.
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*/
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virtual void GetViewFinderHandleL(TInt& aVFHandle) const=0;
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};
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/**
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Mixin class for implementation of CCameraV2DirectViewFinder methods.
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*/
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class MCameraV2DirectViewFinder
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{
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public:
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/**
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Releases the interface.
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@param aDirectViewFinderHandle
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The pointer to the direct viewfinder class object which would be destroyed by the client.
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*/
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virtual void Release(CCamera::CCameraV2DirectViewFinder* aDirectViewFinderHandle)=0;
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/**
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Retrieves the concrete factory handle for the histogram implementation in order to
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use it specifically for a particular viewfinder.
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@param aImplFactoryPtr
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The concrete factory handle for the histogram implementation specific to the given view finder.
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@leave May leave with any error code.
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*/
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virtual void CreateHistogramImplFactoryL(MImplementationFactory*& aImplFactoryPtr) const=0;
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/**
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Retrieves the concrete factory handle for the image processing implementation in order to
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use it specifically for a particular viewfinder.
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@param aImplFactoryPtr
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The concrete factory handle for the image processing implementation specific to the given view finder.
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@leave May leave with any error code.
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*/
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virtual void GetImageProcessingImplFactoryL(MImplementationFactory*& aImplFactoryPtr) const=0;
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/**
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Provides the interface pointers for the concrete implementation of CCameraDirectSnapshot.
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@param aInterface
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Interface uid for a particular M-class of direct snapshot.
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@return Interface pointer.
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*/
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virtual TAny* GetDirectSnapshotImpl(TUid aInterface) const=0;
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/**
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The observer for the direct view finder is passed to the implementation for passing callbacks on it.
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@param aDirectViewFinderObserver
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The reference to the direct view finder observer.
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*/
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virtual void SetDirectViewFinderObserver(MDirectViewFinderObserver& aDirectViewFinderObserver)=0;
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/**
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The pointer to the client view finder class used to pass back to the client via observer callbacks. Implementation is
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not supposed to destroy this object.
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@param aDirectViewFinderHandle
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The pointer to the direct view finder class object.
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@see MDirectViewFinderObserver
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*/
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virtual void SetDirectViewFinderHandle(CCamera::CCameraV2DirectViewFinder* aDirectViewFinderHandle)=0;
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/**
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Creates a new viewfinder and starts transfer of view finder data to the given portion of the screen using direct
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screen access.
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The aScreenRect parameter is in screen coordinates and may be modified if,
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for example, the camera requires the destination to have a certain byte alignment, and so on.
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@param aWs
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Window server session.
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@param aScreenDevice
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Screen device.
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@param aWindow
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Displayable window.
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@param aScreenRect
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Portion of the screen to which view finder data is to be
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transferred. This is in screen co-ordinates and may be modified if, for example,
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the camera requires the destination to have a certain byte alignment.
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@leave KErrInUse if another direct viewfinder is running with the same set of window parameters. May leave with any other error code.
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@note MDirectViewFinderObserver::DirectViewFinderFirstFrameDisplayed() will be used to notify clients that the first
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frame has been displayed.
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*/
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virtual void StartViewFinderDirectL(RWsSession& aWs, CWsScreenDevice& aScreenDevice, RWindowBase& aWindow, TRect& aScreenRect)=0;
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/**
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Creates a new viewfinder and starts transfer of view finder data to the given portion of the screen using direct screen
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access and also clips to the specified portion of the screen.
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The view finder has the same size and position as aScreenRect but is only
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visible in the intersection of aScreenRect and aClipRect. May leave with KErrNotSupported
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or KErrNotReady if Reserve() has not been called, or has not yet completed.
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@param aWs
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Window server session.
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@param aScreenDevice
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Screen device.
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@param aWindow
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Displayable window.
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@param aScreenRect
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Portion of the screen to which view finder data is to be
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transferred. This is in screen coordinates and may be modified if, for example,
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the camera requires the destination to have a certain byte alignment.
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@param aClipRect
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The rectangle to which the screen will be clipped.
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@leave KErrInUse if another direct viewfinder is running with the same set of window parameters. May leave with any other error code.
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@note MDirectViewFinderObserver::DirectViewFinderFirstFrameDisplayed() will be used to notify clients that the first
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frame has been displayed.
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*/
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virtual void StartViewFinderDirectL(RWsSession& aWs, CWsScreenDevice& aScreenDevice,
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RWindowBase& aWindow, TRect& aScreenRect, TRect& aClipRect)=0;
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/**
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Retrieves the parameters associated with the direct viewfinder.
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@param aScreenNumber
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Retrieves the screen number on which the direct viewfinder is supposed to run.
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@param aScreenRect
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Retrieves the TRect which identifies the portion of the screen to which view finder data is to be transferred.
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@param aClipRect
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Retrieves the TRect which identifies the rectangle to which the screen will be clipped.
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@leave May leave with any error code.
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*/
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virtual void GetDirectViewFinderPropertiesL(TInt& aScreenNumber, TRect& aScreenRect, TRect& aClipRect) const=0;
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/**
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Pauses the direct viewfinder.
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*/
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virtual void PauseViewFinderDirect()=0;
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/**
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Resumes the direct viewfinder
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@note MDirectViewFinderObserver::DirectViewFinderFirstFrameDisplayed() will be used to notify clients that the first
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frame has been displayed.
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*/
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virtual void ResumeViewFinderDirect()=0;
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/**
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Retrieves the state of the direct viewfinder.
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@param aViewFinderState
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Retrieves the state of the direct viewfinder.
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@leave May leave with any error code.
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*/
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virtual void GetViewFinderStateL(CCamera::CCameraV2DirectViewFinder::TViewFinderState& aViewFinderState) const=0;
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/**
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Stops the direct viewfinder.
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*/
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virtual void StopDirectViewFinder()=0;
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};
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/**
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Mixin class for implementation of camera client viewfinder.
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*/
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class MCameraClientViewFinder
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{
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public:
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/**
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Releases the interface.
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@param aClientViewFinderHandle
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The pointer to the client viewfinder class object which would be destroyed by the client.
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*/
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virtual void Release(CCamera::CCameraClientViewFinder* aClientViewFinderHandle)=0;
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/**
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Retrieves the concrete factory handle for the histogram implementation in order to
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|
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use it specifically for a particular viewfinder.
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@param aImplFactoryPtr
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|
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The concrete factory handle for the histogram implementation specific to the given view finder.
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|
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|
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@leave May leave with any error code.
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|
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*/
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|
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virtual void CreateHistogramImplFactoryL(MImplementationFactory*& aImplFactoryPtr) const=0;
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|
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|
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/**
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|
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Retrieves the concrete factory handle for the image processing implementation in order to
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|
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use it specifically for a particular viewfinder.
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|
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@param aImplFactoryPtr
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|
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The concrete factory handle for the image processing implementation specific to the given view finder.
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|
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|
319 |
@leave May leave with any error code.
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|
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*/
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|
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virtual void GetImageProcessingImplFactoryL(MImplementationFactory*& aImplFactoryPtr) const=0;
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|
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|
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/**
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|
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The observer for the client view finder is passed to the implementation for passing callbacks on it.
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|
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|
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@param aClientViewFinderObserver
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|
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The reference to the client view finder observer.
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|
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*/
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|
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virtual void SetClientViewFinderObserver(MClientViewFinderObserver& aClientViewFinderObserver)=0;
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|
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|
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/**
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|
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The pointer to the client view finder class used to pass back to the client via observer callbacks. Implementation is
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|
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not supposed to destroy this object.
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|
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|
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@param aClientViewFinderObserver
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|
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The pointer to the client view finder class object.
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|
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|
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@see MClientViewFinderObserver
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|
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|
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*/
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|
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virtual void SetClientViewFinderHandle(CCamera::CCameraClientViewFinder* aClientViewFinderHandle)=0;
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|
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|
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/**
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|
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Creates a new viewfinder and starts transfer of view finder data.
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|
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|
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|
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Availability of viewfinder data is notified by MClientViewFinderObserver::ViewFinderBufferReady().
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|
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|
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|
347 |
@param aScreenNumber
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|
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The screen number on which the client viewfinder is supposed to run.
|
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|
349 |
@param aImageFormat
|
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|
350 |
The image format requested by the client.
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|
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@param aSize
|
|
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|
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On return, the size used. The size may be modified by the implementation because of hardware constraints and
|
|
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|
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byte alignment.
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|
354 |
|
|
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|
355 |
@leave May leave with any error code.
|
|
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|
356 |
|
|
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|
357 |
@note KECamDefaultViewFinderHandle is used to refer to the viewfinder started using CCamera methods.
|
|
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|
358 |
|
|
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|
359 |
@see CCamera::StartViewFinderL(TFormat aImageFormat,TSize& aSize)
|
|
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|
360 |
*/
|
|
sl@0
|
361 |
virtual void StartClientViewFinderL(TInt aScreenNumber, CCamera::TFormat aImageFormat, TSize& aSize)=0;
|
|
sl@0
|
362 |
|
|
sl@0
|
363 |
/**
|
|
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|
364 |
Creates a new viewfinder and starts transfer of view finder data. Also, clips the picture to the specified clip rectangle.
|
|
sl@0
|
365 |
|
|
sl@0
|
366 |
Availability of viewfinder data is notified by MClientViewFinderObserver::ViewFinderBufferReady().
|
|
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|
367 |
|
|
sl@0
|
368 |
The picture is the size of the intersection of aSize and aClipRect, not simply
|
|
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|
369 |
aSize padded with white space.
|
|
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|
370 |
|
|
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|
371 |
@param aScreenNumber
|
|
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|
372 |
The screen number on which the client viewfinder is supposed to run.
|
|
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|
373 |
@param aImageFormat
|
|
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|
374 |
The image format.
|
|
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|
375 |
@param aSize
|
|
sl@0
|
376 |
On return, the size used. The size may be modified by the implementation because of hardware constraints and
|
|
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|
377 |
byte alignment.
|
|
sl@0
|
378 |
@param aClipRect
|
|
sl@0
|
379 |
Required clip rectangle. May be modified if, for example,
|
|
sl@0
|
380 |
the camera only supports certain byte alignments.
|
|
sl@0
|
381 |
|
|
sl@0
|
382 |
@leave May leave with any error code.
|
|
sl@0
|
383 |
|
|
sl@0
|
384 |
@note KECamDefaultViewFinderHandle is used to refer viewfinder started using CCamera methods.
|
|
sl@0
|
385 |
|
|
sl@0
|
386 |
@see CCamera::StartViewFinderL(TFormat aImageFormat,TSize& aSize,TRect& aClipRect)
|
|
sl@0
|
387 |
*/
|
|
sl@0
|
388 |
virtual void StartClientViewFinderL(TInt aScreenNumber, CCamera::TFormat aImageFormat, TSize& aSize, TRect& aClipRect)=0;
|
|
sl@0
|
389 |
|
|
sl@0
|
390 |
/**
|
|
sl@0
|
391 |
Retrieves the state of the client viewfinder.
|
|
sl@0
|
392 |
|
|
sl@0
|
393 |
@param aIsActive
|
|
sl@0
|
394 |
ETrue indicates that client viewfinder is active.
|
|
sl@0
|
395 |
EFalse indicates that client viewfinder is not active.
|
|
sl@0
|
396 |
|
|
sl@0
|
397 |
@leave May leave with any error code.
|
|
sl@0
|
398 |
*/
|
|
sl@0
|
399 |
virtual void GetClientViewFinderStateL(TBool& aIsActive) const=0;
|
|
sl@0
|
400 |
|
|
sl@0
|
401 |
/**
|
|
sl@0
|
402 |
Retrieves the parameters associated with the client viewfinder.
|
|
sl@0
|
403 |
|
|
sl@0
|
404 |
@param aScreenNumber
|
|
sl@0
|
405 |
Retrieves the screen number on which the client viewfinder is supposed to run.
|
|
sl@0
|
406 |
|
|
sl@0
|
407 |
@param aImageFormat
|
|
sl@0
|
408 |
Retrieves the image format of the client viewfinder.
|
|
sl@0
|
409 |
|
|
sl@0
|
410 |
@param aSize
|
|
sl@0
|
411 |
Retrieves the size used for the client viewfinder.
|
|
sl@0
|
412 |
|
|
sl@0
|
413 |
@param aClipRect
|
|
sl@0
|
414 |
Retrieves the clip rectangle. If not specified, the clipping is retrieved as a TRect having origin as top left
|
|
sl@0
|
415 |
corner and the size as 'aSize'.
|
|
sl@0
|
416 |
|
|
sl@0
|
417 |
@leave May leave with any error code.
|
|
sl@0
|
418 |
*/
|
|
sl@0
|
419 |
virtual void GetClientViewFinderPropertiesL(TInt& aScreenNumber, CCamera::TFormat& aImageFormat, TSize& aSize, TRect& aClipRect) const=0;
|
|
sl@0
|
420 |
|
|
sl@0
|
421 |
/**
|
|
sl@0
|
422 |
Stop the client viewfinder.
|
|
sl@0
|
423 |
*/
|
|
sl@0
|
424 |
virtual void StopClientViewFinder()=0;
|
|
sl@0
|
425 |
|
|
sl@0
|
426 |
/**
|
|
sl@0
|
427 |
Retrieves the client viewfinder buffer. Client calls this method after being notified about availability of viewfinder
|
|
sl@0
|
428 |
data via MClientViewFinderObserver::ViewFinderBufferReady().
|
|
sl@0
|
429 |
|
|
sl@0
|
430 |
@param aClientViewFinderBuffer
|
|
sl@0
|
431 |
Reference to MCameraBuffer2 which retrieves the client viewfinder data.
|
|
sl@0
|
432 |
|
|
sl@0
|
433 |
@leave May leave with any error code.
|
|
sl@0
|
434 |
*/
|
|
sl@0
|
435 |
virtual void GetViewFinderBufferL(MCameraBuffer2& aClientViewFinderBuffer) const=0;
|
|
sl@0
|
436 |
};
|
|
sl@0
|
437 |
|
|
sl@0
|
438 |
/**
|
|
sl@0
|
439 |
This is a mixin class to be implemented by providers of the extension API for camera direct snapshot.
|
|
sl@0
|
440 |
|
|
sl@0
|
441 |
@see CCamera::CCameraDirectSnapshot
|
|
sl@0
|
442 |
|
|
sl@0
|
443 |
@publishedPartner
|
|
sl@0
|
444 |
@prototype
|
|
sl@0
|
445 |
*/
|
|
sl@0
|
446 |
class MCameraDirectSnapshot
|
|
sl@0
|
447 |
{
|
|
sl@0
|
448 |
|
|
sl@0
|
449 |
public:
|
|
sl@0
|
450 |
/**
|
|
sl@0
|
451 |
Releases the interface.
|
|
sl@0
|
452 |
*/
|
|
sl@0
|
453 |
virtual void Release()=0;
|
|
sl@0
|
454 |
|
|
sl@0
|
455 |
/**
|
|
sl@0
|
456 |
Sets the version2 direct viewfinder object out of which this direct snapshot has been created. This is called only
|
|
sl@0
|
457 |
during the creation time of CCameraDirectSnapshot.
|
|
sl@0
|
458 |
|
|
sl@0
|
459 |
@param aDirectViewFinder
|
|
sl@0
|
460 |
A pointer to the camera version2 direct viewfinder object on which the direct snapshot will be displayed.
|
|
sl@0
|
461 |
*/
|
|
sl@0
|
462 |
virtual void SetDirectViewFinder(const CCamera::CCameraV2DirectViewFinder* aDirectViewFinder)=0;
|
|
sl@0
|
463 |
|
|
sl@0
|
464 |
/**
|
|
sl@0
|
465 |
Retrieve the version2 direct viewfinder object out of which this direct snapshot has been created. This information
|
|
sl@0
|
466 |
may be required by the client in order to map the direct snapshot object with its parent version2 direct viewfinder
|
|
sl@0
|
467 |
object or also to retrieve properties of its parent version2 direct viewfinder object.
|
|
sl@0
|
468 |
|
|
sl@0
|
469 |
@param aDirectViewFinder
|
|
sl@0
|
470 |
A pointer to the camera version2 direct viewfinder object on which the direct snapshot will be displayed.
|
|
sl@0
|
471 |
|
|
sl@0
|
472 |
@leave May leave with any error code.
|
|
sl@0
|
473 |
*/
|
|
sl@0
|
474 |
virtual void GetDirectViewFinderL(CCamera::CCameraV2DirectViewFinder*& aDirectViewFinder) const=0;
|
|
sl@0
|
475 |
|
|
sl@0
|
476 |
/**
|
|
sl@0
|
477 |
Enable the direct snapshot. The direct snapshot will be displayed on the parent direct viewfinder screen. The screen
|
|
sl@0
|
478 |
size of the snapshot will be the same as that of the parent direct viewfinder screen.
|
|
sl@0
|
479 |
|
|
sl@0
|
480 |
The direct snapshot can be displayed only for still images.
|
|
sl@0
|
481 |
|
|
sl@0
|
482 |
@param aDirectSnapshotParameters
|
|
sl@0
|
483 |
The desired direct snapshot parameter.
|
|
sl@0
|
484 |
|
|
sl@0
|
485 |
@leave MAy leave with any error code.
|
|
sl@0
|
486 |
*/
|
|
sl@0
|
487 |
virtual void EnableDirectSnapshotL(CCamera::CCameraDirectSnapshot::TDirectSnapshotParameters& aDirectSnapshotParameters)=0;
|
|
sl@0
|
488 |
|
|
sl@0
|
489 |
/**
|
|
sl@0
|
490 |
Disable the direct snapshot. The direct snapshot will not be displayed on the parent direct viewfinder screen.
|
|
sl@0
|
491 |
*/
|
|
sl@0
|
492 |
virtual void DisableDirectSnapshot()=0;
|
|
sl@0
|
493 |
|
|
sl@0
|
494 |
/**
|
|
sl@0
|
495 |
Retrieves the current state for direct snapshot.
|
|
sl@0
|
496 |
|
|
sl@0
|
497 |
@param aDirectSnapshotParameters
|
|
sl@0
|
498 |
Retrieves the current state for direct snapshot.
|
|
sl@0
|
499 |
|
|
sl@0
|
500 |
@leave May leave with any error code.
|
|
sl@0
|
501 |
*/
|
|
sl@0
|
502 |
virtual void GetDirectSnapshotStateL(CCamera::CCameraDirectSnapshot::TDirectSnapshotState& aDirectSnapshotState) const=0;
|
|
sl@0
|
503 |
|
|
sl@0
|
504 |
/**
|
|
sl@0
|
505 |
Retrieves the direct snapshot parameters.
|
|
sl@0
|
506 |
|
|
sl@0
|
507 |
@param aDirectSnapshotParameters
|
|
sl@0
|
508 |
Retrieves the direct snapshot parameter of type TDirectSnapshotParameters.
|
|
sl@0
|
509 |
|
|
sl@0
|
510 |
@leave May leave with any error code.
|
|
sl@0
|
511 |
*/
|
|
sl@0
|
512 |
virtual void GetDirectSnapshotParametersL(CCamera::CCameraDirectSnapshot::TDirectSnapshotParameters& aDirectSnapshotParameters) const=0;
|
|
sl@0
|
513 |
|
|
sl@0
|
514 |
/**
|
|
sl@0
|
515 |
Sets the direct snapshot parameters.
|
|
sl@0
|
516 |
|
|
sl@0
|
517 |
@param aDirectSnapshotParameters
|
|
sl@0
|
518 |
The desired direct snapshot parameter of type TDirectSnapshotParameters.
|
|
sl@0
|
519 |
|
|
sl@0
|
520 |
@leave May leave with any error code.
|
|
sl@0
|
521 |
*/
|
|
sl@0
|
522 |
virtual void SetDirectSnapshotParametersL(const CCamera::CCameraDirectSnapshot::TDirectSnapshotParameters& aDirectSnapshotParameters)=0;
|
|
sl@0
|
523 |
};
|
|
sl@0
|
524 |
|
|
sl@0
|
525 |
#endif // ECAMVIEWFINDERINTF_H
|