1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*====================================================================*
- 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.
*====================================================================*/
/*
* fileinfo.c
*
* Returns information about the image data file
*/
#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"
extern const char *ImageFileFormatExtensions[];
main(int argc,
char **argv)
{
char *text;
l_int32 w, h, d, wpl, count, npages, color, format;
FILE *fp;
PIX *pix;
PIXCMAP *cmap;
char *filein;
static char mainName[] = "fileinfo";
if (argc != 2)
exit(ERROR_INT(" Syntax: fileinfo filein", mainName, 1));
filein = argv[1];
if ((pix = pixRead(filein)) == NULL)
exit(ERROR_INT("image not returned from file", mainName, 1));
format = pixGetInputFormat(pix);
fprintf(stderr, "Input image format type: %s\n",
ImageFileFormatExtensions[format]);
pixGetDimensions(pix, &w, &h, &d);
wpl = pixGetWpl(pix);
fprintf(stderr, "w = %d, h = %d, d = %d, wpl = %d\n", w, h, d, wpl);
text = pixGetText(pix);
if (text) /* not null */
fprintf(stderr, "Text: %s\n", text);
cmap = pixGetColormap(pix);
if (cmap) {
pixcmapHasColor(cmap, &color);
if (color)
fprintf(stderr, "Colormap exists and has color values:");
else
fprintf(stderr, "Colormap exists and has only gray values:");
pixcmapWriteStream(stderr, pixGetColormap(pix));
}
else
fprintf(stderr, "Colormap does not exist.\n");
if (format == IFF_TIFF || format == IFF_TIFF_G4 ||
format == IFF_TIFF_G3 || format == IFF_TIFF_PACKBITS) {
fprintf(stderr, "Tiff header information:\n");
fp = fopen(filein, "r");
tiffGetCount(fp, &npages);
fclose(fp);
if (npages == 1)
fprintf(stderr, "One page in file\n", npages);
else
fprintf(stderr, "%d pages in file\n", npages);
fprintTiffInfo(stderr, filein);
}
if (d == 1) {
pixCountPixels(pix, &count, NULL);
fprintf(stderr, "pixel ratio ON/OFF = %6.3f\n",
(l_float32)count / (l_float32)(pixGetWidth(pix) * pixGetHeight(pix)));
}
pixDestroy(&pix);
exit(0);
}
|
