arBitFieldPattern.h

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#ifndef __ARBITFIELDPATTERN_HEADERFILE__
#define __ARBITFIELDPATTERN_HEADERFILE__

#include <ARToolKitPlus/config.h>

namespace ARToolKitPlus {

enum {
    // size of the marker images
    idPattWidth = 6,
    idPattHeight = 6,

    // number of bits we can use for marker id
    idBits = 9,
    idMask = (1 << idBits) - 1,
    idMax = (1 << idBits) - 1,

    pattBits = 4 * idBits
};

// we only use __int64 under windows.
// have to use unsigned long long othersie...
#if defined(_MSC_VER) || defined(_WIN32_WCE)
typedef __int64 IDPATTERN;
const IDPATTERN bchMask = 0x8f80b8750;
#else
typedef unsigned long long IDPATTERN;
const IDPATTERN bchMask = 0x8f80b8750ll;
#endif

const IDPATTERN xorMask0 = 0x0027;
const IDPATTERN xorMask1 = 0x014e;
const IDPATTERN xorMask2 = 0x0109;
const IDPATTERN xorMask3 = 0x00db;

const int posMask0 = 0;
const int posMask1 = idBits;
const int posMask2 = 2 * idBits;
const int posMask3 = 3 * idBits;

// full mask that is used to xor raw pattern image
const IDPATTERN fullMask = (xorMask0 << posMask0) | (xorMask1 << posMask1) | (xorMask2 << posMask2) | (xorMask3
        << posMask3);

const unsigned int bchBits = 12;
const unsigned int idMaxBCH = (1 << bchBits) - 1;

// array with indices for 90� CW rotated grid
const int rotate90[] = {
    30, 24, 18, 12,  6,  0,
    31, 25, 19, 13,  7,  1,
    32, 26, 20, 14,  8,  2,
    33, 27, 21, 15,  9,  3,
    34, 28, 22, 16, 10,  4,
    35, 29, 23, 17, 11,  5
};


// some internal methods. primarily needed for
// marker printing, etc.
void AR_EXPORT generatePatternSimple(int nID, IDPATTERN& nPattern);

void AR_EXPORT generatePatternBCH(int nID, IDPATTERN& nPattern);

// static void setBit(IDPATTERN& pat, int which);

bool AR_EXPORT isBitSet(IDPATTERN pat, int which);

} // namespace ARToolKitPlus


#endif //__ARBITFIELDPATTERN_HEADERFILE__

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artoolkitplus
Author(s): Christian Bersch
autogenerated on Fri Jan 11 11:15:05 2013