/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "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:

* Ixonos Plc

*

* Description:  

* Definition of the zigzag tables.

*

*/

#ifndef _ZIGZAG_H_

#define _ZIGZAG_H_

/*

 * Structs and typedefs

 */

/* Normal zigzag */

static const int zigzag[64] = {

  0, 1, 5, 6,14,15,27,28,

  2, 4, 7,13,16,26,29,42,

  3, 8,12,17,25,30,41,43,

  9,11,18,24,31,40,44,53,

  10,19,23,32,39,45,52,54,

  20,22,33,38,46,51,55,60,

  21,34,37,47,50,56,59,61,

  35,36,48,49,57,58,62,63

};

/* Horizontal zigzag */

static const int zigzag_h[64] = {

     0, 1, 2, 3,10,11,12,13,

     4, 5, 8, 9,17,16,15,14,

     6, 7,19,18,26,27,28,29,

    20,21,24,25,30,31,32,33,

    22,23,34,35,42,43,44,45,

    36,37,40,41,46,47,48,49,

    38,39,50,51,56,57,58,59,

    52,53,54,55,60,61,62,63

};

/* Vertical zigzag */

static const int zigzag_v[64] = {

     0, 4, 6,20,22,36,38,52,

     1, 5, 7,21,23,37,39,53,

     2, 8,19,24,34,40,50,54,

     3, 9,18,25,35,41,51,55,

    10,17,26,30,42,46,56,60,

    11,16,27,31,43,47,57,61,

    12,15,28,32,44,48,58,62,

    13,14,29,33,45,49,59,63

};

/* Inverse normal zigzag */

static const int zigzag_i[64] =

{

     0, 1, 8,16, 9, 2, 3,10,

    17,24,32,25,18,11, 4, 5,

    12,19,26,33,40,48,41,34,

    27,20,13, 6, 7,14,21,28,

    35,42,49,56,57,50,43,36,

    29,22,15,23,30,37,44,51,

    58,59,52,45,38,31,39,46,

    53,60,61,54,47,55,62,63

};

#endif /* ifndef _ZIGZAG_H_ */

// End of File