diff options
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.c | 250 |
1 files changed, 250 insertions, 0 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 new file mode 100644 index 0000000..94b121e --- /dev/null +++ b/libraries/evas/src/modules/loaders/edb/evas_image_load_edb.c | |||
@@ -0,0 +1,250 @@ | |||
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 | |||
11 | static 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); | ||
12 | static 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 | |||
14 | static 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 | }; | ||
21 | |||
22 | static Eina_Bool | ||
23 | evas_image_load_file_head_edb(Image_Entry *ie, const char *file, const char *key, int *error) | ||
24 | { | ||
25 | int w, h, alpha, compression, size; | ||
26 | E_DB_File *db; | ||
27 | DATA32 *ret; | ||
28 | DATA32 header[8]; | ||
29 | |||
30 | if (!key) | ||
31 | { | ||
32 | *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST; | ||
33 | return EINA_FALSE; | ||
34 | } | ||
35 | db = e_db_open_read((char *)file); | ||
36 | if (!db) | ||
37 | { | ||
38 | *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST; | ||
39 | return EINA_FALSE; | ||
40 | } | ||
41 | ret = e_db_data_get(db, (char *)key, &size); | ||
42 | if (!ret) | ||
43 | { | ||
44 | e_db_close(db); | ||
45 | *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST; | ||
46 | return EINA_FALSE; | ||
47 | } | ||
48 | if (size < 32) | ||
49 | { | ||
50 | free(ret); | ||
51 | e_db_close(db); | ||
52 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
53 | return EINA_FALSE; | ||
54 | } | ||
55 | memcpy(header, ret, 32); | ||
56 | #ifdef WORDS_BIGENDIAN | ||
57 | { | ||
58 | int i; | ||
59 | |||
60 | for (i = 0; i < 8; i++) SWAP32(header[i]); | ||
61 | } | ||
62 | #endif | ||
63 | if (header[0] != 0xac1dfeed) | ||
64 | { | ||
65 | free(ret); | ||
66 | e_db_close(db); | ||
67 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
68 | return EINA_FALSE; | ||
69 | } | ||
70 | w = header[1]; | ||
71 | h = header[2]; | ||
72 | if ((w < 1) || (h < 1) || (w > IMG_MAX_SIZE) || (h > IMG_MAX_SIZE) || | ||
73 | IMG_TOO_BIG(w, h)) | ||
74 | { | ||
75 | free(ret); | ||
76 | e_db_close(db); | ||
77 | if (IMG_TOO_BIG(w, h)) | ||
78 | *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED; | ||
79 | else | ||
80 | *error = EVAS_LOAD_ERROR_GENERIC; | ||
81 | return EINA_FALSE; | ||
82 | } | ||
83 | alpha = header[3]; | ||
84 | compression = header[4]; | ||
85 | |||
86 | if ((compression == 0) && (size < ((w * h * 4) + 32))) | ||
87 | { | ||
88 | free(ret); | ||
89 | e_db_close(db); | ||
90 | *error = EVAS_LOAD_ERROR_GENERIC; | ||
91 | return EINA_FALSE; | ||
92 | } | ||
93 | if (alpha) ie->flags.alpha = 1; | ||
94 | ie->w = w; | ||
95 | ie->h = h; | ||
96 | free(ret); | ||
97 | e_db_close(db); | ||
98 | *error = EVAS_LOAD_ERROR_NONE; | ||
99 | return EINA_TRUE; | ||
100 | } | ||
101 | |||
102 | static Eina_Bool | ||
103 | evas_image_load_file_data_edb(Image_Entry *ie, const char *file, const char *key, int *error) | ||
104 | { | ||
105 | int w, h, alpha, compression, size; | ||
106 | E_DB_File *db; | ||
107 | DATA32 *ret; | ||
108 | DATA32 *body; | ||
109 | DATA32 *surface; | ||
110 | DATA32 header[8]; | ||
111 | |||
112 | if (!key) | ||
113 | { | ||
114 | *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST; | ||
115 | return EINA_FALSE; | ||
116 | } | ||
117 | db = e_db_open_read((char *)file); | ||
118 | if (!db) | ||
119 | { | ||
120 | *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST; | ||
121 | return EINA_FALSE; | ||
122 | } | ||
123 | ret = e_db_data_get(db, (char *)key, &size); | ||
124 | if (!ret) | ||
125 | { | ||
126 | e_db_close(db); | ||
127 | *error = EVAS_LOAD_ERROR_DOES_NOT_EXIST; | ||
128 | return EINA_FALSE; | ||
129 | } | ||
130 | if (size < 32) | ||
131 | { | ||
132 | free(ret); | ||
133 | e_db_close(db); | ||
134 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
135 | return EINA_FALSE; | ||
136 | } | ||
137 | memcpy(header, ret, 32); | ||
138 | #ifdef WORDS_BIGENDIAN | ||
139 | { | ||
140 | int i; | ||
141 | |||
142 | for (i = 0; i < 8; i++) SWAP32(header[i]); | ||
143 | } | ||
144 | #endif | ||
145 | if (header[0] != 0xac1dfeed) | ||
146 | { | ||
147 | free(ret); | ||
148 | e_db_close(db); | ||
149 | *error = EVAS_LOAD_ERROR_CORRUPT_FILE; | ||
150 | return EINA_FALSE; | ||
151 | } | ||
152 | w = header[1]; | ||
153 | h = header[2]; | ||
154 | if ((w < 1) || (h < 1) || (w > IMG_MAX_SIZE) || (h > IMG_MAX_SIZE) || | ||
155 | IMG_TOO_BIG(w, h)) | ||
156 | { | ||
157 | free(ret); | ||
158 | e_db_close(db); | ||
159 | if (IMG_TOO_BIG(w, h)) | ||
160 | *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED; | ||
161 | else | ||
162 | *error = EVAS_LOAD_ERROR_GENERIC; | ||
163 | return EINA_FALSE; | ||
164 | } | ||
165 | |||
166 | alpha = header[3]; | ||
167 | compression = header[4]; | ||
168 | |||
169 | if ((compression == 0) && (size < ((w * h * 4) + 32))) | ||
170 | { | ||
171 | free(ret); | ||
172 | e_db_close(db); | ||
173 | *error = EVAS_LOAD_ERROR_GENERIC; | ||
174 | return EINA_FALSE; | ||
175 | } | ||
176 | if (alpha) ie->flags.alpha = 1; | ||
177 | body = &(ret[8]); | ||
178 | evas_cache_image_surface_alloc(ie, w, h); | ||
179 | surface = evas_cache_image_pixels(ie); | ||
180 | if (!surface) | ||
181 | { | ||
182 | free(ret); | ||
183 | e_db_close(db); | ||
184 | *error = EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED; | ||
185 | return EINA_FALSE; | ||
186 | } | ||
187 | if (!compression) | ||
188 | { | ||
189 | #ifdef WORDS_BIGENDIAN | ||
190 | { | ||
191 | int x; | ||
192 | |||
193 | memcpy(surface, body, w * h * sizeof(DATA32)); | ||
194 | for (x = 0; x < (w * h); x++) SWAP32(surface[x]); | ||
195 | } | ||
196 | #else | ||
197 | memcpy(surface, body, w * h * sizeof(DATA32)); | ||
198 | #endif | ||
199 | } | ||
200 | else | ||
201 | { | ||
202 | uLongf dlen; | ||
203 | |||
204 | dlen = w * h * sizeof(DATA32); | ||
205 | uncompress((Bytef *)surface, &dlen, (Bytef *)body, | ||
206 | (uLongf)(size - 32)); | ||
207 | #ifdef WORDS_BIGENDIAN | ||
208 | { | ||
209 | int x; | ||
210 | |||
211 | for (x = 0; x < (w * h); x++) SWAP32(surface[x]); | ||
212 | } | ||
213 | #endif | ||
214 | } | ||
215 | evas_common_image_premul(ie); | ||
216 | free(ret); | ||
217 | e_db_close(db); | ||
218 | *error = EVAS_LOAD_ERROR_NONE; | ||
219 | return EINA_TRUE; | ||
220 | } | ||
221 | |||
222 | static int | ||
223 | module_open(Evas_Module *em) | ||
224 | { | ||
225 | if (!em) return 0; | ||
226 | em->functions = (void *)(&evas_image_load_edb_func); | ||
227 | return 1; | ||
228 | } | ||
229 | |||
230 | static void | ||
231 | module_close(Evas_Module *em) | ||
232 | { | ||
233 | } | ||
234 | |||
235 | static Evas_Module_Api evas_modapi = | ||
236 | { | ||
237 | EVAS_MODULE_API_VERSION, | ||
238 | "edb", | ||
239 | "none", | ||
240 | { | ||
241 | module_open, | ||
242 | module_close | ||
243 | } | ||
244 | }; | ||
245 | |||
246 | EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_IMAGE_LOADER, image_loader, edb); | ||
247 | |||
248 | #ifndef EVAS_STATIC_BUILD_EDB | ||
249 | EVAS_EINA_MODULE_DEFINE(image_loader, edb); | ||
250 | #endif | ||