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Diffstat (limited to 'src/plugins/symbian/ecam/s60cameraengine.h')
| -rw-r--r-- | src/plugins/symbian/ecam/s60cameraengine.h | 407 |
1 files changed, 0 insertions, 407 deletions
diff --git a/src/plugins/symbian/ecam/s60cameraengine.h b/src/plugins/symbian/ecam/s60cameraengine.h deleted file mode 100644 index 4b473b68c..000000000 --- a/src/plugins/symbian/ecam/s60cameraengine.h +++ /dev/null @@ -1,407 +0,0 @@ -/**************************************************************************** - ** - ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). - ** All rights reserved. - ** Contact: Nokia Corporation (qt-info@nokia.com) - ** - ** This file is part of the Qt Mobility Components. - ** - ** $QT_BEGIN_LICENSE:LGPL$ - ** GNU Lesser General Public License Usage - ** This file may be used under the terms of the GNU Lesser General Public - ** License version 2.1 as published by the Free Software Foundation and - ** appearing in the file LICENSE.LGPL included in the packaging of this - ** file. Please review the following information to ensure the GNU Lesser - ** General Public License version 2.1 requirements will be met: - ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. - ** - ** In addition, as a special exception, Nokia gives you certain additional - ** rights. These rights are described in the Nokia Qt LGPL Exception - ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. - ** - ** GNU General Public License Usage - ** Alternatively, this file may be used under the terms of the GNU General - ** Public License version 3.0 as published by the Free Software Foundation - ** and appearing in the file LICENSE.GPL included in the packaging of this - ** file. Please review the following information to ensure the GNU General - ** Public License version 3.0 requirements will be met: - ** http://www.gnu.org/copyleft/gpl.html. - ** - ** Other Usage - ** Alternatively, this file may be used in accordance with the terms and - ** conditions contained in a signed written agreement between you and Nokia. - ** - ** - ** - ** - ** - ** $QT_END_LICENSE$ - ** - ****************************************************************************/ -#ifndef S60CCAMERAENGINE_H -#define S60CCAMERAENGINE_H - -// INCLUDES -#include <e32base.h> -#include <ecam.h> // for MCameraObserver(2) -#ifdef S60_CAM_AUTOFOCUS_SUPPORT -#include <ccamautofocus.h> // for CCamAutoFocus, MCamAutoFocusObserver -#endif - -// FORWARD DECLARATIONS -class MCameraEngineObserver; -class MCameraEngineImageCaptureObserver; -class MAdvancedSettingsObserver; -class MCameraViewfinderObserver; -class MCameraPreviewObserver; - -/* - * CameraEngine handling ECam operations needed. - */ -NONSHARABLE_CLASS( CCameraEngine ) : public CBase, - public MCameraObserver, - public MCameraObserver2 -#ifdef S60_CAM_AUTOFOCUS_SUPPORT - ,public MCamAutoFocusObserver -#endif - -{ -public: // Enums - - enum TCameraEngineState - { - EEngineNotReady = 0, // 0 - No resources reserved - EEngineInitializing, // 1 - Reserving and Powering On - EEngineIdle, // 2 - Reseved and Powered On - EEngineCapturing, // 3 - Capturing Still Image - EEngineFocusing // 4 - Focusing - }; - -public: // Constructor & Destructor - - static CCameraEngine* NewL( TInt aCameraHandle, - TInt aPriority, - MCameraEngineObserver* aObserver ); - ~CCameraEngine(); - -public: - - /** - * External Advanced Settings callback observer. - */ - void SetAdvancedObserver(MAdvancedSettingsObserver *aAdvancedSettingsObserver); - - /** - * External Image Capture callback observer. - */ - void SetImageCaptureObserver(MCameraEngineImageCaptureObserver *aImageCaptureObserver); - - /** - * External Viewfinder callback observer. - */ - void SetViewfinderObserver(MCameraViewfinderObserver *aViewfinderObserver); - - /** - * Static function that returns the number of cameras on the device. - */ - static TInt CamerasAvailable(); - - /** - * Returns the index of the currently active camera device - */ - TInt CurrentCameraIndex() const { return iCameraIndex; } - - /** - * Returns the current state (TCameraEngineState) - * of the camera engine. - */ - TCameraEngineState State() const { return iEngineState; } - - /** - * Returns true if the camera has been reserved and - * powered on, and not recording or capturing image - */ - TBool IsCameraReady() const; - - /** - * Returns whether DirectScreen ViewFinder is supported by the platform - */ - TBool IsDirectViewFinderSupported() const; - - /** - * Returns true if the camera supports AutoFocus. - */ - TBool IsAutoFocusSupported() const; - - /** - * Returns camera info - */ - TCameraInfo *CameraInfo(); - - /** - * Captures an image. When complete, observer will receive - * MceoCapturedDataReady() or MceoCapturedBitmapReady() callback, - * depending on which image format was used in PrepareL(). - * @leave May leave with KErrNotReady if camera is not - * reserved or prepared for capture. - */ - void CaptureL(); - - /** - * Cancels ongoing image capture - */ - void CancelCapture(); - - /** - * Reserves and powers on the camera. When complete, - * observer will receive MceoCameraReady() callback - * - */ - void ReserveAndPowerOn(); - - /** - * Releases and powers off the camera - * - */ - void ReleaseAndPowerOff(); - - /** - * Prepares for image capture. - * @param aCaptureSize requested capture size. On return, - * contains the selected size (closest match) - * @param aFormat Image format to use. Default is JPEG with - * EXIF information as provided by the camera module - * @leave KErrNotSupported, KErrNoMemory, KErrNotReady - */ - void PrepareL( TSize& aCaptureSize, - CCamera::TFormat aFormat = CCamera::EFormatExif ); - - /** - * Starts the viewfinder. Observer will receive - * MceoViewFinderFrameReady() callbacks periodically. - * @param aSize requested viewfinder size. On return, - * contains the selected size. - * - * @leave KErrNotSupported is viewfinding with bitmaps is not - * supported, KErrNotReady - */ - void StartViewFinderL( TSize& aSize ); - - /** - * Stops the viewfinder if active. - */ - void StopViewFinder(); - - void StartDirectViewFinderL(RWsSession& aSession, - CWsScreenDevice& aScreenDevice, - RWindowBase& aWindow, - TRect& aScreenRect, - TRect& aClipRect); - - /** - * Releases memory for the last received viewfinder frame. - * Client must call this in response to MceoViewFinderFrameReady() - * callback, after drawing the viewfinder frame is complete. - */ - void ReleaseViewFinderBuffer(); - - /** - * Releases memory for the last captured image. - * Client must call this in response to MceoCapturedDataReady() - * or MceoCapturedBitmapReady()callback, after processing the - * data/bitmap is complete. - */ - void ReleaseImageBuffer(); - - /** - * Starts focusing. Does nothing if AutoFocus is not supported. - * When complete, observer will receive MceoFocusComplete() - * callback. - * @leave KErrInUse, KErrNotReady - */ - void StartFocusL(); - - /** - * Cancels the ongoing focusing operation. - */ - void FocusCancel(); - - /** - * Gets a bitfield of supported focus ranges. - * @param aSupportedRanges a bitfield of either TAutoFocusRange - * (S60 3.0/3.1 devices) or TFocusRange (S60 3.2 and onwards) values - */ - void SupportedFocusRanges( TInt& aSupportedRanges ) const; - - /** - * Sets the focus range - * @param aFocusRange one of the values returned by - * SupportedFocusRanges(). - */ - void SetFocusRange( TInt aFocusRange ); - - /** - * Returns a pointer to CCamera object used by the engine. - * Allows getting access to additional functionality - * from CCamera - do not use for functionality already provided - * by CCameraEngine methods. - */ - CCamera* Camera() { return iCamera; } - -#ifdef ECAM_PREVIEW_API - /** - * This enables the preview creation during the capture (image or video). - */ - void EnablePreviewProvider(MCameraPreviewObserver *aPreviewObserver); - - /** - * This disabled the preview creation during the capture (image or video) - */ - void DisablePreviewProvider(); -#endif // ECAM_PREVIEW_API - -protected: // Protected constructors - - CCameraEngine(); - CCameraEngine( TInt aCameraHandle, - TInt aPriority, - MCameraEngineObserver* aObserver ); - void ConstructL(); - -protected: // MCameraObserver - - /** - * From MCameraObserver - * Gets called when CCamera::Reserve() is completed. - * (V2: Called internally from HandleEvent) - */ - virtual void ReserveComplete(TInt aError); - - /** - * From MCameraObserver. - * Gets called when CCamera::PowerOn() is completed. - * (V2: Called internally from HandleEvent) - */ - virtual void PowerOnComplete(TInt aError); - - /** - * From MCameraObserver. - * Gets called when CCamera::StartViewFinderBitmapsL() is completed. - * (V2: Called internally from ViewFinderReady) - */ - virtual void ViewFinderFrameReady( CFbsBitmap& aFrame ); - - /** - * From MCameraObserver. - * Gets called when CCamera::CaptureImage() is completed. - */ - virtual void ImageReady( CFbsBitmap* aBitmap, HBufC8* aData, TInt aError ); - - /** - * From MCameraObserver. - * Video capture not implemented. - */ - virtual void FrameBufferReady( MFrameBuffer* /*aFrameBuffer*/, TInt /*aError*/ ) {} - -protected: // MCameraObserver2 - - /** - * From MCameraObserver2 - * Camera event handler - */ - virtual void HandleEvent(const TECAMEvent &aEvent); - - /** - * From MCameraObserver2 - * Notifies the client of new viewfinder data - */ - virtual void ViewFinderReady(MCameraBuffer &aCameraBuffer, TInt aError); - - /** - * From MCameraObserver2 - * Notifies the client of a new captured image - */ - virtual void ImageBufferReady(MCameraBuffer &aCameraBuffer, TInt aError); - - /** - * From MCameraObserver2 - * Video capture not implemented. - */ - virtual void VideoBufferReady(MCameraBuffer& /*aCameraBuffer*/, TInt /*aError*/) {} - -protected: // MCamAutoFocusObserver - - /** - * From MCamAutoFocusObserver. - * Delivers notification of completion of auto focus initialisation to - * an interested party. - * @param aError Reason for completion of focus request. - */ - virtual void InitComplete( TInt aError ); - - /** - * From MCamAutoFocusObserver. - * Gets called when CCamAutoFocus::AttemptOptimisedFocusL() is - * completed. - * (V2: Called internally from HandleEvent) - */ - virtual void OptimisedFocusComplete( TInt aError ); - -private: // Internal functions - - /** - * Internal function to handle ImageReady callbacks from - * both observer (V1 & V2) interfaces - */ - void HandleImageReady(const TInt aError, const bool isBitmap); - -#ifdef ECAM_PREVIEW_API - /** - * Handle preview. Retrieve preview data and notify observer about the - * preview availability. - */ - void HandlePreview(); - - /** - * Calculate proper resolution for the SnapShot (Preview) image. - */ - TSize SelectPreviewResolution(); -#endif // ECAM_PREVIEW_API - -private: // Data - - CCamera *iCamera; - MCameraEngineObserver *iObserver; - MCameraEngineImageCaptureObserver *iImageCaptureObserver; - MAdvancedSettingsObserver *iAdvancedSettingsObserver; - MCameraViewfinderObserver *iViewfinderObserver; - MCameraPreviewObserver *iPreviewObserver; - MCameraBuffer *iViewFinderBuffer; - /* - * Following pointers are for the image buffers: - * * Makes buffering of 2 concurrent image buffers possible - */ - MCameraBuffer *iImageBuffer1; - MCameraBuffer *iImageBuffer2; - TDesC8 *iImageData1; - TDesC8 *iImageData2; - CFbsBitmap *iImageBitmap1; - CFbsBitmap *iImageBitmap2; - TInt iCameraIndex; - TInt iPriority; - TCameraEngineState iEngineState; - TCameraInfo iCameraInfo; - CCamera::TFormat iImageCaptureFormat; - TSize iCaptureResolution; - bool iNew2LImplementation; - int iLatestImageBufferIndex; // 0 = Buffer1, 1 = Buffer2 -#ifdef ECAM_PREVIEW_API - CCamera::CCameraSnapshot *iCameraSnapshot; -#endif // ECAM_PREVIEW_API -#ifdef S60_CAM_AUTOFOCUS_SUPPORT - CCamAutoFocus* iAutoFocus; - CCamAutoFocus::TAutoFocusRange iAFRange; -#endif // S60_CAM_AUTOFOCUS_SUPPORT -}; - -#endif // S60CCAMERAENGINE_H |