1 /*
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public License
4 * as published by the Free Software Foundation; either version 2
5 * of the License, or (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software Foundation,
14 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
15 *
16 * The Original Code is Copyright (C) 2005 Blender Foundation
17 * All rights reserved.
18 */
19
20 /** \file
21 * \ingroup imbuf
22 */
23
24 #include <stdlib.h>
25 #include <string.h>
26
27 #include "BLI_string.h"
28 #include "BLI_utildefines.h"
29
30 #include "BKE_idprop.h"
31
32 #include "MEM_guardedalloc.h"
33
34 #include "IMB_imbuf.h"
35 #include "IMB_imbuf_types.h"
36
37 #include "IMB_metadata.h"
38
39 #define METADATA_MAX_VALUE_LENGTH 1024
40
IMB_metadata_ensure(struct IDProperty ** metadata)41 void IMB_metadata_ensure(struct IDProperty **metadata)
42 {
43 if (*metadata != NULL) {
44 return;
45 }
46
47 IDPropertyTemplate val;
48 *metadata = IDP_New(IDP_GROUP, &val, "metadata");
49 }
50
IMB_metadata_free(struct IDProperty * metadata)51 void IMB_metadata_free(struct IDProperty *metadata)
52 {
53 if (metadata == NULL) {
54 return;
55 }
56
57 IDP_FreeProperty(metadata);
58 }
59
IMB_metadata_get_field(struct IDProperty * metadata,const char * key,char * field,const size_t len)60 bool IMB_metadata_get_field(struct IDProperty *metadata,
61 const char *key,
62 char *field,
63 const size_t len)
64 {
65 IDProperty *prop;
66
67 if (metadata == NULL) {
68 return false;
69 }
70
71 prop = IDP_GetPropertyFromGroup(metadata, key);
72
73 if (prop && prop->type == IDP_STRING) {
74 BLI_strncpy(field, IDP_String(prop), len);
75 return true;
76 }
77 return false;
78 }
79
IMB_metadata_copy(struct ImBuf * dimb,struct ImBuf * simb)80 void IMB_metadata_copy(struct ImBuf *dimb, struct ImBuf *simb)
81 {
82 BLI_assert(dimb != simb);
83 if (simb->metadata) {
84 IMB_metadata_free(dimb->metadata);
85 dimb->metadata = IDP_CopyProperty(simb->metadata);
86 }
87 }
88
IMB_metadata_set_field(struct IDProperty * metadata,const char * key,const char * value)89 void IMB_metadata_set_field(struct IDProperty *metadata, const char *key, const char *value)
90 {
91 BLI_assert(metadata);
92 IDProperty *prop = IDP_GetPropertyFromGroup(metadata, key);
93
94 if (prop != NULL && prop->type != IDP_STRING) {
95 IDP_FreeFromGroup(metadata, prop);
96 prop = NULL;
97 }
98
99 if (prop == NULL) {
100 prop = IDP_NewString(value, key, METADATA_MAX_VALUE_LENGTH);
101 IDP_AddToGroup(metadata, prop);
102 }
103
104 IDP_AssignString(prop, value, METADATA_MAX_VALUE_LENGTH);
105 }
106
IMB_metadata_foreach(struct ImBuf * ibuf,IMBMetadataForeachCb callback,void * userdata)107 void IMB_metadata_foreach(struct ImBuf *ibuf, IMBMetadataForeachCb callback, void *userdata)
108 {
109 if (ibuf->metadata == NULL) {
110 return;
111 }
112 for (IDProperty *prop = ibuf->metadata->data.group.first; prop != NULL; prop = prop->next) {
113 callback(prop->name, IDP_String(prop), userdata);
114 }
115 }
116