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/*====================================================================*
- Copyright (C) 2001 Leptonica. All rights reserved.
- This software is distributed in the hope that it will be
- useful, but with NO WARRANTY OF ANY KIND.
- No author or distributor accepts responsibility to anyone for the
- consequences of using this software, or for whether it serves any
- particular purpose or works at all, unless he or she says so in
- writing. Everyone is granted permission to copy, modify and
- redistribute this source code, for commercial or non-commercial
- purposes, with the following restrictions: (1) the origin of this
- source code must not be misrepresented; (2) modified versions must
- be plainly marked as such; and (3) this notice may not be removed
- or altered from any source or modified source distribution.
*====================================================================*/
/*
* mtifftest.c
*
* Tests tiff I/O for:
*
* -- multipage tiff read/write
* -- writing special tiff tags to file
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
static const char *tempmtiff = "/usr/tmp/junkmtiff";
static const char *tempnewmtiff = "/usr/tmp/junknewmtiff";
main(int argc,
char **argv)
{
char *filein, *fileout, *str, *fname, *filename;
char buffer[512];
l_int32 i, count, npages, length;
FILE *fp;
NUMA *naflags, *nasizes;
PIX *pix;
PIXA *pixa;
PIXCMAP *cmap;
SARRAY *savals, *satypes, *sa;
static char mainName[] = "mtifftest";
if (argc != 3)
exit(ERROR_INT(" Syntax: mtifftest filein fileout", mainName, 1));
filein = argv[1];
fileout = argv[2];
#if 0 /* ------------ Test single-to-multipage I/O -------------------*/
/* Use 'filein' to specify a directory of tiff files.
* Read them in and generate a multipage tiff file.
* Then convert that to a G4 compressed and ascii85 encoded
* PS file. */
sa = getFilenamesInDirectory(filein);
sarrayWriteStream(stderr, sa);
sarraySort(sa, sa, L_SORT_INCREASING);
sarrayWriteStream(stderr, sa);
npages = sarrayGetCount(sa);
for (i = 0; i < npages; i++) {
fname = sarrayGetString(sa, i, 0);
filename = genPathname(filein, fname);
pix = pixRead(filename);
if (!pix) continue;
if (i == 0)
pixWriteTiff(tempmtiff, pix, IFF_TIFF_G4, "w+");
else
pixWriteTiff(tempmtiff, pix, IFF_TIFF_G4, "a");
pixDestroy(&pix);
FREE(filename);
}
/* write it out as a PS file */
convertTiffMultipageToPS(tempmtiff, fileout, NULL, 0.95);
sarrayDestroy(&sa);
#endif
#if 1 /* ------------------ Test multipage I/O -------------------*
/* read count of tiff multipage */
fp = fopen(filein, "r");
if (fileFormatIsTiff(fp)) {
tiffGetCount(fp, &npages);
fprintf(stderr, " Tiff: %d page\n", npages);
}
else
exit(ERROR_INT(" file not tiff", mainName, 1));
fclose(fp);
/* split into separate page files */
for (i = 0; i < npages + 1; i++) { /* read one beyond to catch error */
pix = pixReadTiff(filein, i);
if (!pix) continue;
sprintf(buffer, "junkout.%d", i);
pixWrite(buffer, pix, IFF_TIFF_G4);
pixDestroy(&pix);
}
/* read separate page files and write reversed file */
for (i = npages - 1; i >= 0; i--) {
sprintf(buffer, "junkout.%d", i);
pix = pixRead(buffer);
if (!pix) continue;
if (i == npages - 1)
pixWriteTiff(tempmtiff, pix, IFF_TIFF_G4, "w+");
else
pixWriteTiff(tempmtiff, pix, IFF_TIFF_G4, "a");
pixDestroy(&pix);
}
/* read reversed file and reverse again */
pixa = pixaCreate(npages);
for (i = 0; i < 5; i++) {
pix = pixReadTiff(tempmtiff, i);
pixaAddPix(pixa, pix, L_INSERT);
}
for (i = npages - 1; i >= 0; i--) {
pix = pixaGetPix(pixa, i, L_CLONE);
if (i == npages - 1)
pixWriteTiff(tempnewmtiff, pix, IFF_TIFF_G4, "w+");
else
pixWriteTiff(tempnewmtiff, pix, IFF_TIFF_G4, "a");
pixDestroy(&pix);
}
pixaDestroy(&pixa);
#endif
#if 0 /* ----- test adding custom public tags to a tiff header ----- */
pix = pixRead(filein);
naflags = numaCreate(10);
savals = sarrayCreate(10);
satypes = sarrayCreate(10);
nasizes = numaCreate(10);
/* numaAddNumber(naflags, TIFFTAG_XMLPACKET); */ /* XMP: 700 */
numaAddNumber(naflags, 700);
str = "<xmp>This is a Fake XMP packet</xmp>\n<text>Guess what ...?</text>";
length = strlen(str);
sarrayAddString(savals, str, 1);
sarrayAddString(satypes, "char*", 1);
numaAddNumber(nasizes, length); /* get it all */
numaAddNumber(naflags, 269); /* DOCUMENTNAME */
sarrayAddString(savals, "One silly title", 1);
sarrayAddString(satypes, "char*", 1);
numaAddNumber(naflags, 270); /* IMAGEDESCRIPTION */
sarrayAddString(savals, "One page of text", 1);
sarrayAddString(satypes, "char*", 1);
/* the max sample is used by rendering programs
* to scale the dynamic range */
numaAddNumber(naflags, 281); /* MAXSAMPLEVALUE */
sarrayAddString(savals, "4", 1);
sarrayAddString(satypes, "l_uint16", 1);
/* note that date is required to be a 20 byte string */
numaAddNumber(naflags, 306); /* DATETIME */
sarrayAddString(savals, "2004:10:11 09:35:15", 1);
sarrayAddString(satypes, "char*", 1);
/* note that page number requires 2 l_uint16 input */
numaAddNumber(naflags, 297); /* PAGENUMBER */
sarrayAddString(savals, "1-412", 1);
sarrayAddString(satypes, "l_uint16-l_uint16", 1);
pixWriteTiffCustom(fileout, pix, IFF_TIFF_G4, "w", naflags,
savals, satypes, nasizes);
fprintTiffInfo(stderr, fileout);
numaDestroy(&naflags);
numaDestroy(&nasizes);
sarrayDestroy(&savals);
sarrayDestroy(&satypes);
pixDestroy(&pix);
#endif
exit(0);
}
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