videoeditorengine/vedengine/GenManip/inc/DCDithering.h
author Mikael Laine <mikael.laine@ixonos.com>
Fri, 29 Jan 2010 14:08:33 +0200
changeset 0 951a5db380a0
permissions -rw-r--r--
Committing the Video Editor package under the Eclipse Public License
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
     1
/*
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
     2
* Copyright (c) 2010 Ixonos Plc.
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
     3
* All rights reserved.
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
     4
* This component and the accompanying materials are made available
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
     5
* under the terms of the "Eclipse Public License v1.0"
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
     6
* which accompanies this distribution, and is available
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
     7
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
     8
*
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
     9
* Initial Contributors:
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    10
* Nokia Corporation - Initial contribution
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    11
*
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    12
* Contributors:
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    13
* Ixonos Plc
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    14
*
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    15
* Description:  
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    16
*
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    17
*/
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    18
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    19
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    20
//----IMAAMI----
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    21
//*************************************************************************
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    22
//DCDithering.h
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    23
//
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    24
//Version 1.00
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    25
//
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    26
//Contains:
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    27
//	CDCDithering 
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    28
//		Dithering by H263 algorithm developed in /.
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    29
//			
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    30
//History:
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    31
//	19.08.2003 version 1.00 created using existing algorithms	
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    32
//*************************************************************************
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    33
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    34
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    35
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    36
/*
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    37
-----------------------------------------------------------------------------
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    38
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    39
    DESCRIPTION
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    40
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    41
    Defines the dithering class.
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    42
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    43
-----------------------------------------------------------------------------
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    44
*/
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    45
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    46
#ifndef  __DCDithering_H__
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    47
#define  __DCDithering_H__
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    48
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    49
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    50
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    51
//  INCLUDES
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    52
#ifndef   __E32STD_H__
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    53
#include  <e32std.h>   // for Fundamental Types
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    54
#endif // __E32STD_H__
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    55
#ifndef   __E32BASE_H__
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    56
#include  <e32base.h>  // for CBase
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    57
#endif // __E32BASE_H__
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    58
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    59
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    60
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    61
//Class definition
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    62
class CDCDithering : public CBase
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    63
{
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    64
public:
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    65
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    66
	CDCDithering();					// Constructor
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    67
	static CDCDithering* NewL();	// Factory function
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    68
	static CDCDithering* NewLC();	// Factory function
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    69
	~CDCDithering();				// Destructor
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    70
	void ConstructL();				// Second Phase contructor (may leave)
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    71
	
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    72
	// Process and store image referenced by aBPtr
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    73
	void ProcessL(CFbsBitmap& aBPtr);
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    74
	
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    75
private:
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    76
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    77
	// Limit integer value to byte [0,255]
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    78
	static inline TUint8 Limit255(TInt i) {return (TUint8)(i<0?0:(i>255?255:i));}
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    79
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    80
	// Scan line buffer
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    81
	HBufC8*  iScanLineBuffer;
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    82
};
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    83
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    84
#endif // __DCDithering_H__
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    85
// End of File
951a5db380a0 Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff changeset
    86
//----IMAAMI----