diff options
Diffstat (limited to 'libraries/evas/src/modules/loaders/tiff/evas_image_load_tiff.c')
-rw-r--r-- | libraries/evas/src/modules/loaders/tiff/evas_image_load_tiff.c | 324 |
1 files changed, 324 insertions, 0 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 new file mode 100644 index 0000000..b9bea91 --- /dev/null +++ b/libraries/evas/src/modules/loaders/tiff/evas_image_load_tiff.c | |||
@@ -0,0 +1,324 @@ | |||
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 | |||
17 | static 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 | |||
29 | static 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); | ||
30 | static 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 | |||
32 | static 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 | }; | ||
39 | |||
40 | typedef struct TIFFRGBAImage_Extra TIFFRGBAImage_Extra; | ||
41 | |||
42 | struct TIFFRGBAImage_Extra { | ||
43 | TIFFRGBAImage rgba; | ||
44 | Image_Entry *image; | ||
45 | char pper; | ||
46 | uint32 num_pixels; | ||
47 | uint32 py; | ||
48 | }; | ||
49 | |||
50 | static Eina_Bool | ||
51 | evas_image_load_file_head_tiff(Image_Entry *ie, const char *file, const char *key __UNUSED__, int *error) | ||
52 | { | ||
53 | char txt[1024]; | ||
54 | TIFFRGBAImage tiff_image; | ||
55 | TIFF *tif = NULL; | ||
56 | FILE *ffile; | ||
57 | int fd; | ||
58 | uint16 magic_number; | ||
59 | |||
60 | ffile = fopen(file, "rb"); | ||
61 | if (!ffile) | ||
62 | { | ||
63 | *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST; | ||
64 | return EINA_FALSE; | ||
65 | } | ||
66 | |||
67 | if (fread(&magic_number, sizeof(uint16), 1, ffile) != 1) | ||
68 | { | ||
69 | fclose(ffile); | ||
70 | *error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT; | ||
71 | return EINA_FALSE; | ||
72 | } | ||
73 | /* Apparently rewind(f) isn't sufficient */ | ||
74 | fseek(ffile, 0, SEEK_SET); | ||
75 | |||
76 | if ((magic_number != TIFF_BIGENDIAN) /* Checks if actually tiff file */ | ||
77 | && (magic_number != TIFF_LITTLEENDIAN)) | ||
78 | { | ||
79 | fclose(ffile); | ||
80 | *error = EVAS_LOAD_ERROR_UNKNOWN_FORMAT; | ||
81 | return EINA_FALSE; | ||
82 | } | ||
83 | |||
84 | fd = fileno(ffile); | ||
85 | fd = dup(fd); | ||
86 | lseek(fd, (long)0, SEEK_SET); | ||
87 | fclose(ffile); | ||
88 | |||
89 | tif = TIFFFdOpen(fd, file, "r"); | ||
90 | if (!tif) | ||
91 | { | ||
92 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
93 | return EINA_FALSE; | ||
94 | } | ||
95 | |||
96 | strcpy(txt, "Evas Tiff loader: cannot be processed by libtiff"); | ||
97 | if (!TIFFRGBAImageOK(tif, txt)) | ||
98 | { | ||
99 | TIFFClose(tif); | ||
100 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
101 | return EINA_FALSE; | ||
102 | } | ||
103 | strcpy(txt, "Evas Tiff loader: cannot begin reading tiff"); | ||
104 | if (!TIFFRGBAImageBegin(& tiff_image, tif, 1, txt)) | ||
105 | { | ||
106 | TIFFClose(tif); | ||
107 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
108 | return EINA_FALSE; | ||
109 | } | ||
110 | |||
111 | if (tiff_image.alpha != EXTRASAMPLE_UNSPECIFIED) | ||
112 | ie->flags.alpha = 1; | ||
113 | if ((tiff_image.width < 1) || (tiff_image.height < 1) || | ||
114 | (tiff_image.width > IMG_MAX_SIZE) || (tiff_image.height > IMG_MAX_SIZE) || | ||
115 | IMG_TOO_BIG(tiff_image.width, tiff_image.height)) | ||
116 | { | ||
117 | TIFFClose(tif); | ||
118 | if (IMG_TOO_BIG(tiff_image.width, tiff_image.height)) | ||
119 | *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED; | ||
120 | else | ||
121 | *error = EVAS_LOAD_ERROR_GENERIC; | ||
122 | return EINA_FALSE; | ||
123 | } | ||
124 | ie->w = tiff_image.width; | ||
125 | ie->h = tiff_image.height; | ||
126 | |||
127 | TIFFRGBAImageEnd(&tiff_image); | ||
128 | TIFFClose(tif); | ||
129 | *error = EVAS_LOAD_ERROR_NONE; | ||
130 | return EINA_TRUE; | ||
131 | } | ||
132 | |||
133 | static Eina_Bool | ||
134 | evas_image_load_file_data_tiff(Image_Entry *ie, const char *file, const char *key __UNUSED__, int *error) | ||
135 | { | ||
136 | char txt[1024]; | ||
137 | TIFFRGBAImage_Extra rgba_image; | ||
138 | TIFF *tif = NULL; | ||
139 | FILE *ffile; | ||
140 | uint32 *rast = NULL; | ||
141 | uint32 num_pixels; | ||
142 | int fd, x, y; | ||
143 | uint16 magic_number; | ||
144 | |||
145 | ffile = fopen(file, "rb"); | ||
146 | if (!ffile) | ||
147 | { | ||
148 | *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST; | ||
149 | return EINA_FALSE; | ||
150 | } | ||
151 | |||
152 | if (fread(&magic_number, sizeof(uint16), 1, ffile) != 1) | ||
153 | { | ||
154 | fclose(ffile); | ||
155 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
156 | return EINA_FALSE; | ||
157 | } | ||
158 | /* Apparently rewind(f) isn't sufficient */ | ||
159 | fseek(ffile, (long)0, SEEK_SET); | ||
160 | |||
161 | if ((magic_number != TIFF_BIGENDIAN) /* Checks if actually tiff file */ | ||
162 | && (magic_number != TIFF_LITTLEENDIAN)) | ||
163 | { | ||
164 | fclose(ffile); | ||
165 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
166 | return EINA_FALSE; | ||
167 | } | ||
168 | |||
169 | fd = fileno(ffile); | ||
170 | fd = dup(fd); | ||
171 | lseek(fd, (long)0, SEEK_SET); | ||
172 | fclose(ffile); | ||
173 | |||
174 | tif = TIFFFdOpen(fd, file, "r"); | ||
175 | if (!tif) | ||
176 | { | ||
177 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
178 | return EINA_FALSE; | ||
179 | } | ||
180 | |||
181 | strcpy(txt, "Evas Tiff loader: cannot be processed by libtiff"); | ||
182 | if (!TIFFRGBAImageOK(tif, txt)) | ||
183 | { | ||
184 | TIFFClose(tif); | ||
185 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
186 | return EINA_FALSE; | ||
187 | } | ||
188 | strcpy(txt, "Evas Tiff loader: cannot begin reading tiff"); | ||
189 | if (!TIFFRGBAImageBegin((TIFFRGBAImage *) & rgba_image, tif, 0, txt)) | ||
190 | { | ||
191 | TIFFClose(tif); | ||
192 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
193 | return EINA_FALSE; | ||
194 | } | ||
195 | rgba_image.image = ie; | ||
196 | |||
197 | if (rgba_image.rgba.alpha != EXTRASAMPLE_UNSPECIFIED) | ||
198 | ie->flags.alpha = 1; | ||
199 | if ((rgba_image.rgba.width != ie->w) || | ||
200 | (rgba_image.rgba.height != ie->h)) | ||
201 | { | ||
202 | TIFFClose(tif); | ||
203 | *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED; | ||
204 | return EINA_FALSE; | ||
205 | } | ||
206 | |||
207 | evas_cache_image_surface_alloc(ie, rgba_image.rgba.width, rgba_image.rgba.height); | ||
208 | if (!evas_cache_image_pixels(ie)) | ||
209 | { | ||
210 | TIFFRGBAImageEnd((TIFFRGBAImage *) & rgba_image); | ||
211 | TIFFClose(tif); | ||
212 | *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED; | ||
213 | return EINA_FALSE; | ||
214 | } | ||
215 | |||
216 | rgba_image.num_pixels = num_pixels = ie->w * ie->h; | ||
217 | |||
218 | rgba_image.pper = rgba_image.py = 0; | ||
219 | rast = (uint32 *) _TIFFmalloc(sizeof(uint32) * num_pixels); | ||
220 | |||
221 | if (!rast) | ||
222 | { | ||
223 | ERR("Evas Tiff loader: out of memory"); | ||
224 | |||
225 | TIFFRGBAImageEnd((TIFFRGBAImage *) & rgba_image); | ||
226 | TIFFClose(tif); | ||
227 | *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED; | ||
228 | return EINA_FALSE; | ||
229 | } | ||
230 | if (rgba_image.rgba.bitspersample == 8) | ||
231 | { | ||
232 | if (!TIFFRGBAImageGet((TIFFRGBAImage *) &rgba_image, rast, | ||
233 | rgba_image.rgba.width, rgba_image.rgba.height)) | ||
234 | { | ||
235 | _TIFFfree(rast); | ||
236 | TIFFRGBAImageEnd((TIFFRGBAImage *) & rgba_image); | ||
237 | TIFFClose(tif); | ||
238 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
239 | return EINA_FALSE; | ||
240 | } | ||
241 | } | ||
242 | else | ||
243 | { | ||
244 | INF("channel bits == %i", (int)rgba_image.rgba.samplesperpixel); | ||
245 | } | ||
246 | /* process rast -> image rgba. really same as prior code anyway just simpler */ | ||
247 | for (y = 0; y < (int)ie->h; y++) | ||
248 | { | ||
249 | DATA32 *pix, *pd; | ||
250 | uint32 *ps, pixel; | ||
251 | unsigned int a, r, g, b; | ||
252 | |||
253 | pix = evas_cache_image_pixels(ie); | ||
254 | pd = pix + ((ie->h - y - 1) * ie->w); | ||
255 | ps = rast + (y * ie->w); | ||
256 | for (x = 0; x < (int)ie->w; x++) | ||
257 | { | ||
258 | pixel = *ps; | ||
259 | a = TIFFGetA(pixel); | ||
260 | r = TIFFGetR(pixel); | ||
261 | g = TIFFGetG(pixel); | ||
262 | b = TIFFGetB(pixel); | ||
263 | if (!ie->flags.alpha) a = 255; | ||
264 | if ((rgba_image.rgba.alpha == EXTRASAMPLE_UNASSALPHA) && | ||
265 | (a < 255)) | ||
266 | { | ||
267 | r = (r * (a + 1)) >> 8; | ||
268 | g = (g * (a + 1)) >> 8; | ||
269 | b = (b * (a + 1)) >> 8; | ||
270 | } | ||
271 | *pd = ARGB_JOIN(a, r, g, b); | ||
272 | ps++; | ||
273 | pd++; | ||
274 | } | ||
275 | } | ||
276 | |||
277 | _TIFFfree(rast); | ||
278 | |||
279 | TIFFRGBAImageEnd((TIFFRGBAImage *) & rgba_image); | ||
280 | |||
281 | TIFFClose(tif); | ||
282 | |||
283 | evas_common_image_set_alpha_sparse(ie); | ||
284 | *error = EVAS_LOAD_ERROR_NONE; | ||
285 | return EINA_TRUE; | ||
286 | } | ||
287 | |||
288 | static int | ||
289 | module_open(Evas_Module *em) | ||
290 | { | ||
291 | if (!em) return 0; | ||
292 | _evas_loader_tiff_log_dom = eina_log_domain_register | ||
293 | ("evas-tiff", EVAS_DEFAULT_LOG_COLOR); | ||
294 | if (_evas_loader_tiff_log_dom < 0) | ||
295 | { | ||
296 | EINA_LOG_ERR("Can not create a module log domain."); | ||
297 | return 0; | ||
298 | } | ||
299 | em->functions = (void *)(&evas_image_load_tiff_func); | ||
300 | return 1; | ||
301 | } | ||
302 | |||
303 | static void | ||
304 | module_close(Evas_Module *em __UNUSED__) | ||
305 | { | ||
306 | eina_log_domain_unregister(_evas_loader_tiff_log_dom); | ||
307 | } | ||
308 | |||
309 | static Evas_Module_Api evas_modapi = | ||
310 | { | ||
311 | EVAS_MODULE_API_VERSION, | ||
312 | "tiff", | ||
313 | "none", | ||
314 | { | ||
315 | module_open, | ||
316 | module_close | ||
317 | } | ||
318 | }; | ||
319 | |||
320 | EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_IMAGE_LOADER, image_loader, tiff); | ||
321 | |||
322 | #ifndef EVAS_STATIC_BUILD_TIFF | ||
323 | EVAS_EINA_MODULE_DEFINE(image_loader, tiff); | ||
324 | #endif | ||