1/******************************************************************************
2 * $Id: addtiffo.c 276 2010-06-30 12:18:30Z nijtmans $
3 *
4 * Project:  GeoTIFF Overview Builder
5 * Purpose:  Mainline for building overviews in a TIFF file.
6 * Author:   Frank Warmerdam, warmerdam@pobox.com
7 *
8 ******************************************************************************
9 * Copyright (c) 1999, Frank Warmerdam
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included
19 * in all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27 * DEALINGS IN THE SOFTWARE.
28 ******************************************************************************
29 *
30 * $Log: addtiffo.c,v $
31 * Revision 1.6.2.1  2010-06-08 18:50:40  bfriesen
32 * * Add an emacs formatting mode footer to all source files so that
33 * emacs can be effectively used.
34 *
35 * Revision 1.6  2005/12/16 05:59:55  fwarmerdam
36 * Major upgrade to support YCbCr subsampled jpeg images
37 *
38 * Revision 1.4  2004/09/21 13:31:23  dron
39 * Add missed include string.h.
40 *
41 * Revision 1.3  2000/04/18 22:48:31  warmerda
42 * Added support for averaging resampling
43 *
44 * Revision 1.2  2000/01/28 15:36:38  warmerda
45 * pass TIFF handle instead of filename to overview builder
46 *
47 * Revision 1.1  1999/08/17 01:47:59  warmerda
48 * New
49 *
50 * Revision 1.1  1999/03/12 17:46:32  warmerda
51 * New
52 *
53 * Revision 1.2  1999/02/11 22:27:12  warmerda
54 * Added multi-sample support
55 *
56 * Revision 1.1  1999/02/11 18:12:30  warmerda
57 * New
58 */
59
60#include <stdio.h>
61#include <stdlib.h>
62#include <string.h>
63#include "tiffio.h"
64
65void TIFFBuildOverviews( TIFF *, int, int *, int, const char *,
66                         int (*)(double,void*), void * );
67
68/************************************************************************/
69/*                                main()                                */
70/************************************************************************/
71
72int main( int argc, char ** argv )
73
74{
75    int		anOverviews[100];   /* TODO: un-hardwire array length, flexible allocate */
76    int		nOverviewCount = 0;
77    int		bUseSubIFD = 0;
78    TIFF	*hTIFF;
79    const char  *pszResampling = "nearest";
80
81/* -------------------------------------------------------------------- */
82/*      Usage:                                                          */
83/* -------------------------------------------------------------------- */
84    if( argc < 2 )
85    {
86        printf( "Usage: addtiffo [-r {nearest,average,mode}]\n"
87                "                tiff_filename [resolution_reductions]\n"
88                "\n"
89                "Example:\n"
90                " %% addtiffo abc.tif 2 4 8 16\n" );
91        return( 1 );
92    }
93
94    while( argv[1][0] == '-' )
95    {
96        if( strcmp(argv[1],"-subifd") == 0 )
97        {
98            bUseSubIFD = 1;
99            argv++;
100            argc--;
101        }
102        else if( strcmp(argv[1],"-r") == 0 )
103        {
104            argv += 2;
105            argc -= 2;
106            pszResampling = *argv;
107        }
108        else
109        {
110            fprintf( stderr, "Incorrect parameters\n" );
111            return( 1 );
112        }
113    }
114
115    /* TODO: resampling mode parameter needs to be encoded in an integer from this point on */
116
117/* -------------------------------------------------------------------- */
118/*      Collect the user requested reduction factors.                   */
119/* -------------------------------------------------------------------- */
120    while( nOverviewCount < argc - 2 && nOverviewCount < 100 )
121    {
122        anOverviews[nOverviewCount] = atoi(argv[nOverviewCount+2]);
123        if( anOverviews[nOverviewCount] <= 0)
124        {
125            fprintf( stderr, "Incorrect parameters\n" );
126            return(1);
127        }
128        nOverviewCount++;
129    }
130
131/* -------------------------------------------------------------------- */
132/*      Default to four overview levels.  It would be nicer if it       */
133/*      defaulted based on the size of the source image.                */
134/* -------------------------------------------------------------------- */
135    /* TODO: make it default based on the size of the source image */
136    if( nOverviewCount == 0 )
137    {
138        nOverviewCount = 4;
139
140        anOverviews[0] = 2;
141        anOverviews[1] = 4;
142        anOverviews[2] = 8;
143        anOverviews[3] = 16;
144    }
145
146/* -------------------------------------------------------------------- */
147/*      Build the overview.                                             */
148/* -------------------------------------------------------------------- */
149    hTIFF = TIFFOpen( argv[1], "r+" );
150    if( hTIFF == NULL )
151    {
152        fprintf( stderr, "TIFFOpen(%s) failed.\n", argv[1] );
153        return( 1 );
154    }
155
156    TIFFBuildOverviews( hTIFF, nOverviewCount, anOverviews, bUseSubIFD,
157                        pszResampling, NULL, NULL );
158
159    TIFFClose( hTIFF );
160
161/* -------------------------------------------------------------------- */
162/*      Optionally test for memory leaks.                               */
163/* -------------------------------------------------------------------- */
164#ifdef DBMALLOC
165    malloc_dump(1);
166#endif
167
168    return( 0 );
169}
170/*
171 * Local Variables:
172 * mode: c
173 * c-basic-offset: 8
174 * fill-column: 78
175 * End:
176 */
177