-
Notifications
You must be signed in to change notification settings - Fork 1
/
tiff_y16.c
77 lines (69 loc) · 1.82 KB
/
tiff_y16.c
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
/*
* Copyright 2012 Mo McRoberts.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "p_tcg.h"
#ifdef WITH_LIBTIFF
int
export_tiff_y16(image *i, output *output)
{
int d, shouldclose;
size_t n, y;
TIFF *tif;
const char *fn;
if(!i)
{
if(output->d.tiff)
{
TIFFClose(output->d.tiff);
}
return 0;
}
fn = output_filename(output, i, &shouldclose);
if(!output->d.tiff)
{
output->d.tiff = TIFFOpen(fn, "w");
}
tif = output->d.tiff;
TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, i->width);
TIFFSetField(tif, TIFFTAG_IMAGELENGTH, i->height);
TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, sizeof(pixel) * 8);
TIFFSetField(tif, TIFFTAG_EXTRASAMPLES, 0, NULL);
TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_LZW);
TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
n = 0;
for(y = 0; y < i->height; y++)
{
if(TIFFWriteScanline(tif, (tdata_t) &(i->pixels[0][n]), y, (tsample_t) d) == -1)
{
TIFFError(output->pattern, "Failed to write scanline %lu\n", (unsigned long) y);
TIFFClose(tif);
return -1;
}
n += i->width;
}
TIFFWriteDirectory(tif);
if(shouldclose)
{
TIFFClose(tif);
output->d.tiff = NULL;
}
return 0;
}
#endif /*!WITH_LIBTIFF*/