1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpparasite.c
* Copyright (C) 1998 Jay Cox <jaycox@earthlink.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <stdio.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include <glib-object.h>
#ifdef G_OS_WIN32
#include <process.h> /* For _getpid() */
#endif
#include "gimpbasetypes.h"
#include "gimpparasite.h"
#ifdef DEBUG
static void
gimp_parasite_print (GimpParasite *parasite)
{
if (parasite == NULL)
{
g_print ("pid %d: attempt to print a null parasite\n", getpid ());
return;
}
g_print ("pid %d: parasite: %p\n", getpid (), parasite);
if (parasite->name)
g_print ("\tname: %s\n", parasite->name);
else
g_print ("\tname: NULL\n");
g_print ("\tflags: %d\n", parasite->flags);
g_print ("\tsize: %d\n", parasite->size);
if (parasite->size > 0)
g_print ("\tdata: %p\n", parasite->data);
}
#endif
GimpParasite *
gimp_parasite_new (const gchar *name,
guint32 flags,
guint32 size,
gconstpointer data)
{
GimpParasite *parasite;
if (!name)
return NULL;
parasite = g_new (GimpParasite, 1);
parasite->name = g_strdup (name);
parasite->flags = (flags & 0xFF);
parasite->size = size;
if (size)
parasite->data = g_memdup (data, size);
else
parasite->data = NULL;
return parasite;
}
void
gimp_parasite_free (GimpParasite *parasite)
{
if (parasite == NULL)
return;
if (parasite->name)
g_free (parasite->name);
if (parasite->data)
g_free (parasite->data);
g_free (parasite);
}
gboolean
gimp_parasite_is_type (const GimpParasite *parasite,
const gchar *name)
{
if (!parasite || !parasite->name)
return FALSE;
return (strcmp (parasite->name, name) == 0);
}
GimpParasite *
gimp_parasite_copy (const GimpParasite *parasite)
{
if (parasite == NULL)
return NULL;
return gimp_parasite_new (parasite->name, parasite->flags,
parasite->size, parasite->data);
}
gboolean
gimp_parasite_compare (const GimpParasite *a,
const GimpParasite *b)
{
if (a && b &&
a->name && b->name &&
strcmp (a->name, b->name) == 0 &&
a->flags == b->flags &&
a->size == b->size)
{
if (a->data == NULL && b->data == NULL)
return TRUE;
else if (a->data && b->data && memcmp (a->data, b->data, a->size) == 0)
return TRUE;
}
return FALSE;
}
gulong
gimp_parasite_flags (const GimpParasite *parasite)
{
if (parasite == NULL)
return 0;
return parasite->flags;
}
gboolean
gimp_parasite_is_persistent (const GimpParasite *parasite)
{
if (parasite == NULL)
return FALSE;
return (parasite->flags & GIMP_PARASITE_PERSISTENT);
}
gboolean
gimp_parasite_is_undoable (const GimpParasite *parasite)
{
if (parasite == NULL)
return FALSE;
return (parasite->flags & GIMP_PARASITE_UNDOABLE);
}
gboolean
gimp_parasite_has_flag (const GimpParasite *parasite,
gulong flag)
{
if (parasite == NULL)
return FALSE;
return (parasite->flags & flag);
}
const gchar *
gimp_parasite_name (const GimpParasite *parasite)
{
if (parasite)
return parasite->name;
return NULL;
}
gconstpointer
gimp_parasite_data (const GimpParasite *parasite)
{
if (parasite)
return parasite->data;
return NULL;
}
glong
gimp_parasite_data_size (const GimpParasite *parasite)
{
if (parasite)
return parasite->size;
return 0;
}
|
