// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of "Eclipse Public License v1.0"

 // which accompanies this distribution, and is available

 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 // FaxDefn Header

 // 

 //

 /**

  @file

  @publishedAll

  @released

 */

 #ifndef __FAXDEFN_H

 #define	__FAXDEFN_H

 #include <e32std.h>

 //

 // Fax class definition

 //

 /** Defines the fax modem classes supported by the fax client.

 The fax class refers to the command set used to control the modem. 

 @publishedAll

 @released

 */

 enum TFaxClass

 	{

 	/** Automatic detection of the fax modem class. */

 	EClassAuto=0,

 	/** Fax class 1 */

 	EClass1=1,

 	/** Fax class 2 */

 	EClass2=2,

 	/** Fax class 2.0 */

 	EClass2point0=4,

 	/** Fax class 1.0 */

 	EClass1point0=8,

 	/** Fax class 2.1 */

 	EClass2point1=16

 	};

 //

 // Fax phase definition

 //

 /** Fax session phases.

 Defines what is done if a fax session fails is dependent on the current phase. 

 @publishedAll

 @released

 */

 enum TFaxPhase

 	{

 	/** The session has not yet begun */

 	ENotYetStarted,

 	/** Phase 'A'. Establishing connection. */

 	ECallEstablishment='A',

 	/** Phase 'B'. Negotiating fax protocols. */

 	ESessionNegotiation='B',

 	/** Phase 'C'. Transferring information */

 	EDataTransfer='C',

 	/** Phase 'D'. Confirming successful send/receive. */

 	EPostPageStatus='D',

 	/** Phase 'E'. Disconnecting. */

 	EDisconnection='E'

 	};

 //

 // Fax resolution definition

 //

 /** Defines the supported fax resolutions. 

 It is also used by the fax store classes. 

 @publishedAll

 @released

 */

 enum TFaxResolution

 	{

 	/** Normal fax resolution 3.85 lines/mm */

 	EFaxNormal,

 	/** Fine fax resolution 7.7 lines/mm */

 	EFaxFine

 	};

 //

 // Fax compression definition

 //

 /** Defines the types of compression supported by the fax client.

 This enumeration is also used by the fax store classes. 

 @publishedAll

 @released

 */

 enum TFaxCompression

 	{

 	/** One-dimensional T.4 encoding. Also known as MH. */

 	EModifiedHuffman=0,

 	/** Two-dimensional T.4 encoding. Also known as MR. */

 	EModifiedRead=1,

 	/** Two-dimensional T.4 encoding including uncompressed mode. */

 	EUncompressedModifiedRead=2,

 	/** T.6 encoding. Not supported by the fax engine. Also known as MMR. */

 	EModifiedModifiedRead=3

 	};

 /**

 Scan Line Constants

 @publishedAll

 @released

 */

 const TInt KFaxPixelsPerScanLine(1728);

 const TInt KFaxBytesPerScanLine(216);	

 const TInt KFaxCmPerScanLine(215);

 const TInt KFaxScanLinesPer10Cm(385);

 const TInt KFaxFineScanLinesPer10Cm(770);

 const TInt KFaxT4MaxDesLength(896);

 const TInt KFaxLinesPerBand(64);

 /** Defines a buffer to hold a fax sender ID. */

 typedef TBuf<20> TFaxBufSenderId;

 /** Defines a raw scan line. 

 Each scan line is comprised of KFaxBytesPerScanLine (216) bytes. */

 typedef TBuf8 < KFaxBytesPerScanLine > TRawScanLine;

 #ifndef SYMBIAN_ENABLE_SPLIT_HEADERS

 #include "fax_reversebytes.h"

 #endif

 #endif