aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/libraries/evas/src/modules/loaders/edb/evas_image_load_edb.c
diff options
context:
space:
mode:
Diffstat (limited to 'libraries/evas/src/modules/loaders/edb/evas_image_load_edb.c')
-rw-r--r--libraries/evas/src/modules/loaders/edb/evas_image_load_edb.c251
1 files changed, 0 insertions, 251 deletions
diff --git a/libraries/evas/src/modules/loaders/edb/evas_image_load_edb.c b/libraries/evas/src/modules/loaders/edb/evas_image_load_edb.c
deleted file mode 100644
index 521161f..0000000
--- a/libraries/evas/src/modules/loaders/edb/evas_image_load_edb.c
+++ /dev/null
@@ -1,251 +0,0 @@
1#include "evas_common.h"
2#include "evas_private.h"
3
4#include <Edb.h>
5#include <zlib.h>
6
7
8#define SWAP32(x) (x) = ((((x) & 0x000000ff ) << 24) | (((x) & 0x0000ff00 ) << 8) | (((x) & 0x00ff0000 ) >> 8) | (((x) & 0xff000000 ) >> 24))
9
10
11static Eina_Bool evas_image_load_file_head_edb(Image_Entry *ie, const char *file, const char *key, int *error) EINA_ARG_NONNULL(1, 2, 4);
12static Eina_Bool evas_image_load_file_data_edb(Image_Entry *ie, const char *file, const char *key, int *error) EINA_ARG_NONNULL(1, 2, 4);
13
14static Evas_Image_Load_Func evas_image_load_edb_func =
15{
16 EINA_TRUE,
17 evas_image_load_file_head_edb,
18 evas_image_load_file_data_edb,
19 NULL,
20 EINA_FALSE
21};
22
23static Eina_Bool
24evas_image_load_file_head_edb(Image_Entry *ie, const char *file, const char *key, int *error)
25{
26 int w, h, alpha, compression, size;
27 E_DB_File *db;
28 DATA32 *ret;
29 DATA32 header[8];
30
31 if (!key)
32 {
33 *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
34 return EINA_FALSE;
35 }
36 db = e_db_open_read((char *)file);
37 if (!db)
38 {
39 *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
40 return EINA_FALSE;
41 }
42 ret = e_db_data_get(db, (char *)key, &size);
43 if (!ret)
44 {
45 e_db_close(db);
46 *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
47 return EINA_FALSE;
48 }
49 if (size < 32)
50 {
51 free(ret);
52 e_db_close(db);
53 *error = EVAS_LOAD_ERROR_CORRUPT_FILE;
54 return EINA_FALSE;
55 }
56 memcpy(header, ret, 32);
57#ifdef WORDS_BIGENDIAN
58 {
59 int i;
60
61 for (i = 0; i < 8; i++) SWAP32(header[i]);
62 }
63#endif
64 if (header[0] != 0xac1dfeed)
65 {
66 free(ret);
67 e_db_close(db);
68 *error = EVAS_LOAD_ERROR_CORRUPT_FILE;
69 return EINA_FALSE;
70 }
71 w = header[1];
72 h = header[2];
73 if ((w < 1) || (h < 1) || (w > IMG_MAX_SIZE) || (h > IMG_MAX_SIZE) ||
74 IMG_TOO_BIG(w, h))
75 {
76 free(ret);
77 e_db_close(db);
78 if (IMG_TOO_BIG(w, h))
79 *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED;
80 else
81 *error = EVAS_LOAD_ERROR_GENERIC;
82 return EINA_FALSE;
83 }
84 alpha = header[3];
85 compression = header[4];
86
87 if ((compression == 0) && (size < ((w * h * 4) + 32)))
88 {
89 free(ret);
90 e_db_close(db);
91 *error = EVAS_LOAD_ERROR_GENERIC;
92 return EINA_FALSE;
93 }
94 if (alpha) ie->flags.alpha = 1;
95 ie->w = w;
96 ie->h = h;
97 free(ret);
98 e_db_close(db);
99 *error = EVAS_LOAD_ERROR_NONE;
100 return EINA_TRUE;
101}
102
103static Eina_Bool
104evas_image_load_file_data_edb(Image_Entry *ie, const char *file, const char *key, int *error)
105{
106 int w, h, alpha, compression, size;
107 E_DB_File *db;
108 DATA32 *ret;
109 DATA32 *body;
110 DATA32 *surface;
111 DATA32 header[8];
112
113 if (!key)
114 {
115 *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
116 return EINA_FALSE;
117 }
118 db = e_db_open_read((char *)file);
119 if (!db)
120 {
121 *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
122 return EINA_FALSE;
123 }
124 ret = e_db_data_get(db, (char *)key, &size);
125 if (!ret)
126 {
127 e_db_close(db);
128 *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST;
129 return EINA_FALSE;
130 }
131 if (size < 32)
132 {
133 free(ret);
134 e_db_close(db);
135 *error = EVAS_LOAD_ERROR_CORRUPT_FILE;
136 return EINA_FALSE;
137 }
138 memcpy(header, ret, 32);
139#ifdef WORDS_BIGENDIAN
140 {
141 int i;
142
143 for (i = 0; i < 8; i++) SWAP32(header[i]);
144 }
145#endif
146 if (header[0] != 0xac1dfeed)
147 {
148 free(ret);
149 e_db_close(db);
150 *error = EVAS_LOAD_ERROR_CORRUPT_FILE;
151 return EINA_FALSE;
152 }
153 w = header[1];
154 h = header[2];
155 if ((w < 1) || (h < 1) || (w > IMG_MAX_SIZE) || (h > IMG_MAX_SIZE) ||
156 IMG_TOO_BIG(w, h))
157 {
158 free(ret);
159 e_db_close(db);
160 if (IMG_TOO_BIG(w, h))
161 *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED;
162 else
163 *error = EVAS_LOAD_ERROR_GENERIC;
164 return EINA_FALSE;
165 }
166
167 alpha = header[3];
168 compression = header[4];
169
170 if ((compression == 0) && (size < ((w * h * 4) + 32)))
171 {
172 free(ret);
173 e_db_close(db);
174 *error = EVAS_LOAD_ERROR_GENERIC;
175 return EINA_FALSE;
176 }
177 if (alpha) ie->flags.alpha = 1;
178 body = &(ret[8]);
179 evas_cache_image_surface_alloc(ie, w, h);
180 surface = evas_cache_image_pixels(ie);
181 if (!surface)
182 {
183 free(ret);
184 e_db_close(db);
185 *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED;
186 return EINA_FALSE;
187 }
188 if (!compression)
189 {
190#ifdef WORDS_BIGENDIAN
191 {
192 int x;
193
194 memcpy(surface, body, w * h * sizeof(DATA32));
195 for (x = 0; x < (w * h); x++) SWAP32(surface[x]);
196 }
197#else
198 memcpy(surface, body, w * h * sizeof(DATA32));
199#endif
200 }
201 else
202 {
203 uLongf dlen;
204
205 dlen = w * h * sizeof(DATA32);
206 uncompress((Bytef *)surface, &dlen, (Bytef *)body,
207 (uLongf)(size - 32));
208#ifdef WORDS_BIGENDIAN
209 {
210 int x;
211
212 for (x = 0; x < (w * h); x++) SWAP32(surface[x]);
213 }
214#endif
215 }
216 evas_common_image_premul(ie);
217 free(ret);
218 e_db_close(db);
219 *error = EVAS_LOAD_ERROR_NONE;
220 return EINA_TRUE;
221}
222
223static int
224module_open(Evas_Module *em)
225{
226 if (!em) return 0;
227 em->functions = (void *)(&evas_image_load_edb_func);
228 return 1;
229}
230
231static void
232module_close(Evas_Module *em)
233{
234}
235
236static Evas_Module_Api evas_modapi =
237{
238 EVAS_MODULE_API_VERSION,
239 "edb",
240 "none",
241 {
242 module_open,
243 module_close
244 }
245};
246
247EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_IMAGE_LOADER, image_loader, edb);
248
249#ifndef EVAS_STATIC_BUILD_EDB
250EVAS_EINA_MODULE_DEFINE(image_loader, edb);
251#endif
generated by cgit v1.1 at 2024-07-17 23:51:19 +0000