pranavjha/text-detector

/*====================================================================*
 -  Copyright (C) 2001 Leptonica.  All rights reserved.
 -
 -  Redistribution and use in source and binary forms, with or without
 -  modification, are permitted provided that the following conditions
 -  are met:
 -  1. Redistributions of source code must retain the above copyright
 -     notice, this list of conditions and the following disclaimer.
 -  2. Redistributions in binary form must reproduce the above
 -     copyright notice, this list of conditions and the following
 -     disclaimer in the documentation and/or other materials
 -     provided with the distribution.
 -
 -  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 -  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 -  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 -  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ANY
 -  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 -  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 -  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 -  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 -  OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 -  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 -  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *====================================================================*/

/*!
 *     Low-level fast binary morphology with auto-generated sels
 *
 *      Dispatcher:
--- *            l_int32   fmorphopgen_low_*()
 *
 *      Static Low-level:
--- *            void      fdilate_*_*()
--- *            void      ferode_*_*()
 */

#include "allheaders.h"

---              This file is:  morphtemplate2.txt
---
---    insert static protos here ...


/*---------------------------------------------------------------------*
 *                          Fast morph dispatcher                      *
 *---------------------------------------------------------------------*/
/*!
--- *  fmorphopgen_low_*()
 *
 *       a dispatcher to appropriate low-level code
 */
l_int32
---   fmorphopgen_low_*(l_uint32  *datad,
                  l_int32    w,
                  l_int32    h,
                  l_int32    wpld,
                  l_uint32  *datas,
                  l_int32    wpls,
                  l_int32    index)
{

    switch (index)
    {
---    insert dispatcher code for fdilate* and ferode* routines ...
    }

    return 0;
}


/*--------------------------------------------------------------------------*
 *                 Low-level auto-generated static routines                 *
 *--------------------------------------------------------------------------*/
/*
 *  N.B.  In all the low-level routines, the part of the image
 *        that is accessed has been clipped by 32 pixels on
 *        all four sides.  This is done in the higher level
 *        code by redefining w and h smaller and by moving the
 *        start-of-image pointers up to the beginning of this
 *        interior rectangle.
 */
---   static void fdilate_*_*(l_uint32  *datad,
            l_int32    w,
            l_int32    h,
            l_int32    wpld,
            l_uint32  *datas,
            l_int32    wpls)
{
l_int32             i;
register l_int32    j, pwpls;
register l_uint32  *sptr, *dptr;
---     declare wplsN args as necessary ...
    pwpls = (l_uint32)(w + 31) / 32;  /* proper wpl of src */

    for (i = 0; i < h; i++) {
        sptr = datas + i * wpls;
        dptr = datad + i * wpld;
        for (j = 0; j < pwpls; j++, sptr++, dptr++) {
---     insert barrel-op code for *dptr here ...
        }
    }
}