aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/libraries/evas/src/modules/loaders/tiff/evas_image_load_tiff.c
diff options
context:
space:
mode:
authorDavid Walter Seikel2013-01-13 17:29:19 +1000
committerDavid Walter Seikel2013-01-13 17:29:19 +1000
commit07274513e984f0b5544586c74508ccd16e7dcafa (patch)
treeb32ff2a9136fbc1a4a6a0ed1e4d79cde0f5f16d9 /libraries/evas/src/modules/loaders/tiff/evas_image_load_tiff.c
parentAdded Irrlicht 1.8, but without all the Windows binaries. (diff)
downloadSledjHamr-07274513e984f0b5544586c74508ccd16e7dcafa.zip
SledjHamr-07274513e984f0b5544586c74508ccd16e7dcafa.tar.gz
SledjHamr-07274513e984f0b5544586c74508ccd16e7dcafa.tar.bz2
SledjHamr-07274513e984f0b5544586c74508ccd16e7dcafa.tar.xz
Remove EFL, since it's been released now.
Diffstat (limited to '')
-rw-r--r--libraries/evas/src/modules/loaders/tiff/evas_image_load_tiff.c325
1 files changed, 0 insertions, 325 deletions
diff --git a/libraries/evas/src/modules/loaders/tiff/evas_image_load_tiff.c b/libraries/evas/src/modules/loaders/tiff/evas_image_load_tiff.c
deleted file mode 100644
index e17d5a6..0000000
--- a/libraries/evas/src/modules/loaders/tiff/evas_image_load_tiff.c
+++ /dev/null
@@ -1,325 +0,0 @@
1#ifdef HAVE_CONFIG_H
2# include <config.h>
3#endif
4
5#include <sys/types.h>
6#include <stdio.h>
7#include <unistd.h>
8#include <tiffio.h>
9
10#ifdef HAVE_EVIL
11# include <Evil.h>
12#endif
13
14#include "evas_common.h"
15#include "evas_private.h"
16
17static int _evas_loader_tiff_log_dom = -1;
18
19#ifdef ERR
20# undef ERR
21#endif
22#define ERR(...) EINA_LOG_DOM_ERR(_evas_loader_tiff_log_dom, __VA_ARGS__)
23
24#ifdef INF
25# undef INF
26#endif
27#define INF(...) EINA_LOG_DOM_INFO(_evas_loader_tiff_log_dom, __VA_ARGS__)
28
29static Eina_Bool evas_image_load_file_head_tiff(Image_Entry *ie, const char *file, const char *key, int *error) EINA_ARG_NONNULL(1, 2, 4);
30static Eina_Bool evas_image_load_file_data_tiff(Image_Entry *ie, const char *file, const char *key, int *error) EINA_ARG_NONNULL(1, 2, 4);
31
32static Evas_Image_Load_Func evas_image_load_tiff_func =
33{
34 EINA_TRUE,
35 evas_image_load_file_head_tiff,
36 evas_image_load_file_data_tiff,
37 NULL,
38 EINA_FALSE
39};
40
41typedef struct TIFFRGBAImage_Extra TIFFRGBAImage_Extra;
42
43struct TIFFRGBAImage_Extra {
44 TIFFRGBAImage rgba;
45 Image_Entry *image;
46 char pper;
47 uint32 num_pixels;
48 uint32 py;
49};
50
51static Eina_Bool
52evas_image_load_file_head_tiff(Image_Entry *ie, const char *file, const char *key __UNUSED__, int *error)
53{
54 char txt[1024];
55 TIFFRGBAImage tiff_image;
56 TIFF *tif = NULL;
57 FILE *ffile;
58 int fd;
59 uint16 magic_number;
60
61 ffile = fopen(file, "rb");
62 if (!ffile)
63 {
64 *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
65 return EINA_FALSE;
66 }
67
68 if (fread(&magic_number, sizeof(uint16), 1, ffile) != 1)
69 {
70 fclose(ffile);
71 *error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
72 return EINA_FALSE;
73 }
74 /* Apparently rewind(f) isn't sufficient */
75 fseek(ffile, 0, SEEK_SET);
76
77 if ((magic_number != TIFF_BIGENDIAN) /* Checks if actually tiff file */
78 && (magic_number != TIFF_LITTLEENDIAN))
79 {
80 fclose(ffile);
81 *error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT;
82 return EINA_FALSE;
83 }
84
85 fd = fileno(ffile);
86 fd = dup(fd);
87 lseek(fd, (long)0, SEEK_SET);
88 fclose(ffile);
89
90 tif = TIFFFdOpen(fd, file, "r");
91 if (!tif)
92 {
93 *error = EVAS_LOAD_ERROR_CORRUPT_FILE;
94 return EINA_FALSE;
95 }
96
97 strcpy(txt, "Evas Tiff loader: cannot be processed by libtiff");
98 if (!TIFFRGBAImageOK(tif, txt))
99 {
100 TIFFClose(tif);
101 *error = EVAS_LOAD_ERROR_CORRUPT_FILE;
102 return EINA_FALSE;
103 }
104 strcpy(txt, "Evas Tiff loader: cannot begin reading tiff");
105 if (!TIFFRGBAImageBegin(& tiff_image, tif, 1, txt))
106 {
107 TIFFClose(tif);
108 *error = EVAS_LOAD_ERROR_CORRUPT_FILE;
109 return EINA_FALSE;
110 }
111
112 if (tiff_image.alpha != EXTRASAMPLE_UNSPECIFIED)
113 ie->flags.alpha = 1;
114 if ((tiff_image.width < 1) || (tiff_image.height < 1) ||
115 (tiff_image.width > IMG_MAX_SIZE) || (tiff_image.height > IMG_MAX_SIZE) ||
116 IMG_TOO_BIG(tiff_image.width, tiff_image.height))
117 {
118 TIFFClose(tif);
119 if (IMG_TOO_BIG(tiff_image.width, tiff_image.height))
120 *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED;
121 else
122 *error = EVAS_LOAD_ERROR_GENERIC;
123 return EINA_FALSE;
124 }
125 ie->w = tiff_image.width;
126 ie->h = tiff_image.height;
127
128 TIFFRGBAImageEnd(&tiff_image);
129 TIFFClose(tif);
130 *error = EVAS_LOAD_ERROR_NONE;
131 return EINA_TRUE;
132}
133
134static Eina_Bool
135evas_image_load_file_data_tiff(Image_Entry *ie, const char *file, const char *key __UNUSED__, int *error)
136{
137 char txt[1024];
138 TIFFRGBAImage_Extra rgba_image;
139 TIFF *tif = NULL;
140 FILE *ffile;
141 uint32 *rast = NULL;
142 uint32 num_pixels;
143 int fd, x, y;
144 uint16 magic_number;
145
146 ffile = fopen(file, "rb");
147 if (!ffile)
148 {
149 *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
150 return EINA_FALSE;
151 }
152
153 if (fread(&magic_number, sizeof(uint16), 1, ffile) != 1)
154 {
155 fclose(ffile);
156 *error = EVAS_LOAD_ERROR_CORRUPT_FILE;
157 return EINA_FALSE;
158 }
159 /* Apparently rewind(f) isn't sufficient */
160 fseek(ffile, (long)0, SEEK_SET);
161
162 if ((magic_number != TIFF_BIGENDIAN) /* Checks if actually tiff file */
163 && (magic_number != TIFF_LITTLEENDIAN))
164 {
165 fclose(ffile);
166 *error = EVAS_LOAD_ERROR_CORRUPT_FILE;
167 return EINA_FALSE;
168 }
169
170 fd = fileno(ffile);
171 fd = dup(fd);
172 lseek(fd, (long)0, SEEK_SET);
173 fclose(ffile);
174
175 tif = TIFFFdOpen(fd, file, "r");
176 if (!tif)
177 {
178 *error = EVAS_LOAD_ERROR_CORRUPT_FILE;
179 return EINA_FALSE;
180 }
181
182 strcpy(txt, "Evas Tiff loader: cannot be processed by libtiff");
183 if (!TIFFRGBAImageOK(tif, txt))
184 {
185 TIFFClose(tif);
186 *error = EVAS_LOAD_ERROR_CORRUPT_FILE;
187 return EINA_FALSE;
188 }
189 strcpy(txt, "Evas Tiff loader: cannot begin reading tiff");
190 if (!TIFFRGBAImageBegin((TIFFRGBAImage *) & rgba_image, tif, 0, txt))
191 {
192 TIFFClose(tif);
193 *error = EVAS_LOAD_ERROR_CORRUPT_FILE;
194 return EINA_FALSE;
195 }
196 rgba_image.image = ie;
197
198 if (rgba_image.rgba.alpha != EXTRASAMPLE_UNSPECIFIED)
199 ie->flags.alpha = 1;
200 if ((rgba_image.rgba.width != ie->w) ||
201 (rgba_image.rgba.height != ie->h))
202 {
203 TIFFClose(tif);
204 *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED;
205 return EINA_FALSE;
206 }
207
208 evas_cache_image_surface_alloc(ie, rgba_image.rgba.width, rgba_image.rgba.height);
209 if (!evas_cache_image_pixels(ie))
210 {
211 TIFFRGBAImageEnd((TIFFRGBAImage *) & rgba_image);
212 TIFFClose(tif);
213 *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED;
214 return EINA_FALSE;
215 }
216
217 rgba_image.num_pixels = num_pixels = ie->w * ie->h;
218
219 rgba_image.pper = rgba_image.py = 0;
220 rast = (uint32 *) _TIFFmalloc(sizeof(uint32) * num_pixels);
221
222 if (!rast)
223 {
224 ERR("Evas Tiff loader: out of memory");
225
226 TIFFRGBAImageEnd((TIFFRGBAImage *) & rgba_image);
227 TIFFClose(tif);
228 *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED;
229 return EINA_FALSE;
230 }
231 if (rgba_image.rgba.bitspersample == 8)
232 {
233 if (!TIFFRGBAImageGet((TIFFRGBAImage *) &rgba_image, rast,
234 rgba_image.rgba.width, rgba_image.rgba.height))
235 {
236 _TIFFfree(rast);
237 TIFFRGBAImageEnd((TIFFRGBAImage *) & rgba_image);
238 TIFFClose(tif);
239 *error = EVAS_LOAD_ERROR_CORRUPT_FILE;
240 return EINA_FALSE;
241 }
242 }
243 else
244 {
245 INF("channel bits == %i", (int)rgba_image.rgba.samplesperpixel);
246 }
247 /* process rast -> image rgba. really same as prior code anyway just simpler */
248 for (y = 0; y < (int)ie->h; y++)
249 {
250 DATA32 *pix, *pd;
251 uint32 *ps, pixel;
252 unsigned int a, r, g, b;
253
254 pix = evas_cache_image_pixels(ie);
255 pd = pix + ((ie->h - y - 1) * ie->w);
256 ps = rast + (y * ie->w);
257 for (x = 0; x < (int)ie->w; x++)
258 {
259 pixel = *ps;
260 a = TIFFGetA(pixel);
261 r = TIFFGetR(pixel);
262 g = TIFFGetG(pixel);
263 b = TIFFGetB(pixel);
264 if (!ie->flags.alpha) a = 255;
265 if ((rgba_image.rgba.alpha == EXTRASAMPLE_UNASSALPHA) &&
266 (a < 255))
267 {
268 r = (r * (a + 1)) >> 8;
269 g = (g * (a + 1)) >> 8;
270 b = (b * (a + 1)) >> 8;
271 }
272 *pd = ARGB_JOIN(a, r, g, b);
273 ps++;
274 pd++;
275 }
276 }
277
278 _TIFFfree(rast);
279
280 TIFFRGBAImageEnd((TIFFRGBAImage *) & rgba_image);
281
282 TIFFClose(tif);
283
284 evas_common_image_set_alpha_sparse(ie);
285 *error = EVAS_LOAD_ERROR_NONE;
286 return EINA_TRUE;
287}
288
289static int
290module_open(Evas_Module *em)
291{
292 if (!em) return 0;
293 _evas_loader_tiff_log_dom = eina_log_domain_register
294 ("evas-tiff", EVAS_DEFAULT_LOG_COLOR);
295 if (_evas_loader_tiff_log_dom < 0)
296 {
297 EINA_LOG_ERR("Can not create a module log domain.");
298 return 0;
299 }
300 em->functions = (void *)(&evas_image_load_tiff_func);
301 return 1;
302}
303
304static void
305module_close(Evas_Module *em __UNUSED__)
306{
307 eina_log_domain_unregister(_evas_loader_tiff_log_dom);
308}
309
310static Evas_Module_Api evas_modapi =
311{
312 EVAS_MODULE_API_VERSION,
313 "tiff",
314 "none",
315 {
316 module_open,
317 module_close
318 }
319};
320
321EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_IMAGE_LOADER, image_loader, tiff);
322
323#ifndef EVAS_STATIC_BUILD_TIFF
324EVAS_EINA_MODULE_DEFINE(image_loader, tiff);
325#endif