source: branches/4.5.1/src/3rdparty/libtiff/test/strip.c

Last change on this file was 2, checked in by Dmitry A. Kuminov, 17 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 7.8 KB
Line 
1/* $Id: strip.c,v 1.3 2006/03/23 14:54:02 dron Exp $ */
2
3/*
4 * Copyright (c) 2004, Andrey Kiselev <dron@ak4719.spb.edu>
5 *
6 * Permission to use, copy, modify, distribute, and sell this software and
7 * its documentation for any purpose is hereby granted without fee, provided
8 * that (i) the above copyright notices and this permission notice appear in
9 * all copies of the software and related documentation, and (ii) the names of
10 * Sam Leffler and Silicon Graphics may not be used in any advertising or
11 * publicity relating to the software without the specific, prior written
12 * permission of Sam Leffler and Silicon Graphics.
13 *
14 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
15 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
16 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
17 *
18 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
19 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
20 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
21 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
22 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
23 * OF THIS SOFTWARE.
24 */
25
26/*
27 * TIFF Library
28 *
29 * Functions to test strip interface of libtiff.
30 */
31
32#include <stdio.h>
33#include <string.h>
34
35#include "tiffio.h"
36
37int
38write_strips(TIFF *tif, const tdata_t array, const tsize_t size)
39{
40 tstrip_t strip, nstrips;
41 tsize_t stripsize, offset;
42
43 stripsize = TIFFStripSize(tif);
44 if (!stripsize) {
45 fprintf (stderr, "Wrong size of strip.\n");
46 return -1;
47 }
48
49 nstrips = TIFFNumberOfStrips(tif);
50 for (offset = 0, strip = 0;
51 offset < size && strip < nstrips;
52 offset+=stripsize, strip++) {
53 /*
54 * Properly write last strip.
55 */
56 tsize_t bufsize = size - offset;
57 if (bufsize > stripsize)
58 bufsize = stripsize;
59
60 if (TIFFWriteEncodedStrip(tif, strip, (char *)array + offset,
61 bufsize) != bufsize) {
62 fprintf (stderr, "Can't write strip %lu.\n",
63 (unsigned long)strip);
64 return -1;
65 }
66 }
67
68 return 0;
69}
70
71int
72read_strips(TIFF *tif, const tdata_t array, const tsize_t size)
73{
74 tstrip_t strip, nstrips;
75 tsize_t stripsize, offset;
76 tdata_t buf = NULL;
77
78 stripsize = TIFFStripSize(tif);
79 if (!stripsize) {
80 fprintf (stderr, "Wrong size of strip.\n");
81 return -1;
82 }
83
84 buf = _TIFFmalloc(stripsize);
85 if (!buf) {
86 fprintf (stderr, "Can't allocate space for strip buffer.\n");
87 return -1;
88 }
89
90 nstrips = TIFFNumberOfStrips(tif);
91 for (offset = 0, strip = 0;
92 offset < size && strip < nstrips;
93 offset+=stripsize, strip++) {
94 /*
95 * Properly read last strip.
96 */
97 tsize_t bufsize = size - offset;
98 if (bufsize > stripsize)
99 bufsize = stripsize;
100
101 if (TIFFReadEncodedStrip(tif, strip, buf, -1) != bufsize) {
102 fprintf (stderr, "Can't read strip %lu.\n",
103 (unsigned long)strip);
104 return -1;
105 }
106 if (memcmp(buf, (char *)array + offset, bufsize) != 0) {
107 fprintf (stderr, "Wrong data read for strip %lu.\n",
108 (unsigned long)strip);
109 _TIFFfree(buf);
110 return -1;
111 }
112 }
113
114 _TIFFfree(buf);
115
116 return 0;
117}
118
119int
120create_image_striped(const char *name, uint32 width, uint32 length,
121 uint32 rowsperstrip, uint16 compression,
122 uint16 spp, uint16 bps, uint16 photometric,
123 uint16 sampleformat, uint16 planarconfig,
124 const tdata_t array, const tsize_t size)
125{
126 TIFF *tif;
127
128 /* Test whether we can write tags. */
129 tif = TIFFOpen(name, "w");
130 if (!tif)
131 goto openfailure;
132
133 if (!TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width)) {
134 fprintf (stderr, "Can't set ImageWidth tag.\n");
135 goto failure;
136 }
137 if (!TIFFSetField(tif, TIFFTAG_IMAGELENGTH, length)) {
138 fprintf (stderr, "Can't set ImageLength tag.\n");
139 goto failure;
140 }
141 if (!TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps)) {
142 fprintf (stderr, "Can't set BitsPerSample tag.\n");
143 goto failure;
144 }
145 if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, spp)) {
146 fprintf (stderr, "Can't set SamplesPerPixel tag.\n");
147 goto failure;
148 }
149 if (!TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip)) {
150 fprintf (stderr, "Can't set RowsPerStrip tag.\n");
151 goto failure;
152 }
153 if (!TIFFSetField(tif, TIFFTAG_PLANARCONFIG, planarconfig)) {
154 fprintf (stderr, "Can't set PlanarConfiguration tag.\n");
155 goto failure;
156 }
157 if (!TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, photometric)) {
158 fprintf (stderr, "Can't set PhotometricInterpretation tag.\n");
159 goto failure;
160 }
161
162 if (write_strips(tif, array, size) < 0) {
163 fprintf (stderr, "Can't write image data.\n");
164 goto failure;
165 }
166
167 TIFFClose(tif);
168 return 0;
169
170failure:
171 TIFFClose(tif);
172openfailure:
173 fprintf (stderr, "Can't create test TIFF file %s:\n"
174" ImageWidth=%ld, ImageLength=%ld, RowsPerStrip=%ld, Compression=%d,\n"
175" BitsPerSample=%d, SamplesPerPixel=%d, SampleFormat=%d,\n"
176" PlanarConfiguration=%d, PhotometricInterpretation=%d.\n",
177 name, width, length, rowsperstrip, compression,
178 bps, spp, sampleformat, planarconfig,
179 photometric);
180 return -1;
181}
182
183int
184read_image_striped(const char *name, uint32 width, uint32 length,
185 uint32 rowsperstrip, uint16 compression,
186 uint16 spp, uint16 bps, uint16 photometric,
187 uint16 sampleformat, uint16 planarconfig,
188 const tdata_t array, const tsize_t size)
189{
190 TIFF *tif;
191 uint16 value_u16;
192 uint32 value_u32;
193
194 /* Test whether we can read written values. */
195 tif = TIFFOpen(name, "r");
196 if (!tif)
197 goto openfailure;
198
199 if (TIFFIsTiled(tif)) {
200 fprintf (stderr, "Can't read image %s, it is tiled.\n",
201 name);
202 goto failure;
203 }
204 if (!TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &value_u32)
205 || value_u32 != width) {
206 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGEWIDTH);
207 goto failure;
208 }
209 if (!TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &value_u32)
210 || value_u32 != length) {
211 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGELENGTH);
212 goto failure;
213 }
214 if (!TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &value_u16)
215 || value_u16 != bps) {
216 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_BITSPERSAMPLE);
217 goto failure;
218 }
219 if (!TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &value_u16)
220 || value_u16 != photometric) {
221 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_PHOTOMETRIC);
222 goto failure;
223 }
224 if (!TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &value_u16)
225 || value_u16 != spp) {
226 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_SAMPLESPERPIXEL);
227 goto failure;
228 }
229 if (!TIFFGetField(tif, TIFFTAG_ROWSPERSTRIP, &value_u32)
230 || value_u32 != rowsperstrip) {
231 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_ROWSPERSTRIP);
232 goto failure;
233 }
234 if (!TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &value_u16)
235 || value_u16 != planarconfig) {
236 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_PLANARCONFIG);
237 goto failure;
238 }
239
240 if (read_strips(tif, array, size) < 0) {
241 fprintf (stderr, "Can't read image data.\n");
242 goto failure;
243 }
244
245 TIFFClose(tif);
246 return 0;
247
248failure:
249 TIFFClose(tif);
250openfailure:
251 fprintf (stderr, "Can't read test TIFF file %s:\n"
252" ImageWidth=%ld, ImageLength=%ld, RowsPerStrip=%ld, Compression=%d,\n"
253" BitsPerSample=%d, SamplesPerPixel=%d, SampleFormat=%d,\n"
254" PlanarConfiguration=%d, PhotometricInterpretation=%d.\n",
255 name, width, length, rowsperstrip, compression,
256 bps, spp, sampleformat, planarconfig,
257 photometric);
258 return -1;
259}
260
261int
262write_scanlines(TIFF *tif, const tdata_t array, const tsize_t size)
263{
264 uint32 length, row;
265 tsize_t scanlinesize, offset;
266
267 if (!TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &length)) {
268 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGELENGTH);
269 return -1;
270 }
271
272 scanlinesize = TIFFScanlineSize(tif);
273 if (!scanlinesize) {
274 fprintf (stderr, "Wrong size of scanline.\n");
275 return -1;
276 }
277
278 for (offset = 0, row = 0; row < length; offset+=scanlinesize, row++) {
279 if (TIFFWriteScanline(tif, (char *)array + offset, row, 0) < 0) {
280 fprintf (stderr,
281 "Can't write image data at row %lu.\n", row);
282 return -1;
283 }
284 }
285
286 return 0;
287}
288
289/* vim: set ts=8 sts=8 sw=8 noet: */
Note: See TracBrowser for help on using the repository browser.