/******************************************************************************

 * $Id: addtiffo.c,v 1.8 2015-05-30 20:30:27 bfriesen Exp $

 *

 * Project:  GeoTIFF Overview Builder

 * Purpose:  Mainline for building overviews in a TIFF file.

 * Author:   Frank Warmerdam, warmerdam@pobox.com

 *

 ******************************************************************************

 * Copyright (c) 1999, Frank Warmerdam

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included

 * in all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

 * DEALINGS IN THE SOFTWARE.

 ******************************************************************************

 *

 * $Log: addtiffo.c,v $

 * Revision 1.8  2015-05-30 20:30:27  bfriesen

 * * contrib/addtiffo/addtiffo.c (main): Possibly address Coverity

 * 1024226 "Untrusted value as argument".

 *

 * Revision 1.7  2010-06-08 18:55:15  bfriesen

 * * contrib: Add an emacs formatting mode footer to all source files

 * so that emacs can be effectively used.

 *

 * Revision 1.6  2005/12/16 05:59:55  fwarmerdam

 * Major upgrade to support YCbCr subsampled jpeg images

 *

 * Revision 1.4  2004/09/21 13:31:23  dron

 * Add missed include string.h.

 *

 * Revision 1.3  2000/04/18 22:48:31  warmerda

 * Added support for averaging resampling

 *

 * Revision 1.2  2000/01/28 15:36:38  warmerda

 * pass TIFF handle instead of filename to overview builder

 *

 * Revision 1.1  1999/08/17 01:47:59  warmerda

 * New

 *

 * Revision 1.1  1999/03/12 17:46:32  warmerda

 * New

 *

 * Revision 1.2  1999/02/11 22:27:12  warmerda

 * Added multi-sample support

 *

 * Revision 1.1  1999/02/11 18:12:30  warmerda

 * New

 */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "tiffio.h"

void TIFFBuildOverviews( TIFF *, int, int *, int, const char *,

                         int (*)(double,void*), void * );

/************************************************************************/

/*                                main()                                */

/************************************************************************/

int main( int argc, char ** argv )

{

    int		anOverviews[100];   /* TODO: un-hardwire array length, flexible allocate */

    int		nOverviewCount = 0;

    int		bUseSubIFD = 0;

    TIFF	*hTIFF;

    const char  *pszResampling = "nearest";

/* -------------------------------------------------------------------- */

/*      Usage:                                                          */

/* -------------------------------------------------------------------- */

    if( argc < 2 )

    {

        printf( "Usage: addtiffo [-r {nearest,average,mode}]\n"

                "                tiff_filename [resolution_reductions]\n"

                "\n"

                "Example:\n"

                " %% addtiffo abc.tif 2 4 8 16\n" );

        return( 1 );

    }

    while( argv[1][0] == '-' )

    {

        if( strcmp(argv[1],"-subifd") == 0 )

        {

            bUseSubIFD = 1;

            argv++;

            argc--;

        }

        else if( strcmp(argv[1],"-r") == 0 )

        {

            argv += 2;

            argc -= 2;

            pszResampling = *argv;

        }

        else

        {

            fprintf( stderr, "Incorrect parameters\n" );

            return( 1 );

        }

    }

    /* TODO: resampling mode parameter needs to be encoded in an integer from this point on */

/* -------------------------------------------------------------------- */

/*      Collect the user requested reduction factors.                   */

/* -------------------------------------------------------------------- */

    while( nOverviewCount < argc - 2 && nOverviewCount < 100 )

    {

        anOverviews[nOverviewCount] = atoi(argv[nOverviewCount+2]);

        if( (anOverviews[nOverviewCount] <= 0) ||

            ((anOverviews[nOverviewCount] > 1024)))

        {

            fprintf( stderr, "Incorrect parameters\n" );

            return(1);

        }

        nOverviewCount++;

    }

/* -------------------------------------------------------------------- */

/*      Default to four overview levels.  It would be nicer if it       */

/*      defaulted based on the size of the source image.                */

/* -------------------------------------------------------------------- */

    /* TODO: make it default based on the size of the source image */

    if( nOverviewCount == 0 )

    {

        nOverviewCount = 4;

        anOverviews[0] = 2;

        anOverviews[1] = 4;

        anOverviews[2] = 8;

        anOverviews[3] = 16;

    }

/* -------------------------------------------------------------------- */

/*      Build the overview.                                             */

/* -------------------------------------------------------------------- */

    hTIFF = TIFFOpen( argv[1], "r+" );

    if( hTIFF == NULL )

    {

        fprintf( stderr, "TIFFOpen(%s) failed.\n", argv[1] );

        return( 1 );

    }

    TIFFBuildOverviews( hTIFF, nOverviewCount, anOverviews, bUseSubIFD,

                        pszResampling, NULL, NULL );

    TIFFClose( hTIFF );

/* -------------------------------------------------------------------- */

/*      Optionally test for memory leaks.                               */

/* -------------------------------------------------------------------- */

#ifdef DBMALLOC

    malloc_dump(1);

#endif

    return( 0 );

}

/*

 * Local Variables:

 * mode: c

 * c-basic-offset: 4

 * fill-column: 78

 * End:

 */