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