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
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
/*
* Copyright (C) 2004 Anders Carlsson <andersca@gnome.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include <config.h>
#include "ev-utils.h"
#include "ev-file-helpers.h"
#include <string.h>
#include <math.h>
#include <glib/gi18n.h>
/* Simple function to output the contents of a region. Used solely for testing
* the region code.
*/
void
ev_print_region_contents (cairo_region_t *region)
{
gint n_rectangles, i;
if (region == NULL) {
g_print ("<empty region>\n");
return;
}
g_print ("<region %p>\n", region);
n_rectangles = cairo_region_num_rectangles (region);
for (i = 0; i < n_rectangles; i++) {
GdkRectangle rect;
cairo_region_get_rectangle (region, i, &rect);
g_print ("\t(%d %d, %d %d) [%dx%d]\n",
rect.x,
rect.y,
rect.x + rect.width,
rect.y + rect.height,
rect.width,
rect.height);
}
}
static void
file_filter_add_mime_types (GdkPixbufFormat *format, GtkFileFilter *filter,
GtkFileFilter *supported_filter)
{
gchar **mime_types;
gint i;
mime_types = gdk_pixbuf_format_get_mime_types (format);
for (i = 0; mime_types[i] != 0; i++) {
gtk_file_filter_add_mime_type (filter, mime_types[i]);
gtk_file_filter_add_mime_type (supported_filter, mime_types[i]);
}
g_strfreev (mime_types);
}
void
file_chooser_dialog_add_writable_pixbuf_formats (GtkFileChooser *chooser)
{
GSList *pixbuf_formats = NULL;
GSList *iter;
GtkFileFilter *filter, *supported_filter;
supported_filter = gtk_file_filter_new ();
gtk_file_filter_set_name (supported_filter, _("Supported Image Files"));
gtk_file_chooser_add_filter (chooser, supported_filter);
filter = gtk_file_filter_new ();
gtk_file_filter_set_name (filter, _("All Files"));
gtk_file_filter_add_pattern (filter, "*");
gtk_file_chooser_add_filter (chooser, filter);
pixbuf_formats = gdk_pixbuf_get_formats ();
for (iter = pixbuf_formats; iter; iter = iter->next) {
GdkPixbufFormat *format = iter->data;
gchar *name;
if (gdk_pixbuf_format_is_disabled (format) ||
!gdk_pixbuf_format_is_writable (format))
continue;
filter = gtk_file_filter_new ();
name = gdk_pixbuf_format_get_description (format);
gtk_file_filter_set_name (filter, name);
file_filter_add_mime_types (format, filter, supported_filter);
g_object_set_data (G_OBJECT(filter), "pixbuf-format", format);
gtk_file_chooser_add_filter (chooser, filter);
}
g_slist_free (pixbuf_formats);
}
GdkPixbufFormat*
get_gdk_pixbuf_format_by_extension (const gchar *uri)
{
GSList *pixbuf_formats = NULL;
GSList *iter;
int i;
pixbuf_formats = gdk_pixbuf_get_formats ();
for (iter = pixbuf_formats; iter; iter = iter->next) {
gchar **extension_list;
GdkPixbufFormat *format = iter->data;
if (gdk_pixbuf_format_is_disabled (format) ||
!gdk_pixbuf_format_is_writable (format))
continue;
extension_list = gdk_pixbuf_format_get_extensions (format);
for (i = 0; extension_list[i] != 0; i++) {
if (g_str_has_suffix (uri, extension_list[i])) {
g_slist_free (pixbuf_formats);
g_strfreev (extension_list);
return format;
}
}
g_strfreev (extension_list);
}
g_slist_free (pixbuf_formats);
return NULL;
}
/*
* Replace all occurrences of substr in str with repl
*
* @param str a string
* @param substr some string to replace
* @param repl a replacement string
*
* @return a newly allocated string with the substr replaced by repl; free with g_free
*/
gchar*
ev_str_replace (const char *str, const char *substr, const char *repl)
{
GString *gstr;
const char *cur;
if (str == NULL || substr == NULL || repl == NULL)
return NULL;
gstr = g_string_sized_new (2 * strlen (str));
for (cur = str; *cur; ++cur) {
if (g_str_has_prefix (cur, substr)) {
g_string_append (gstr, repl);
cur += strlen (substr) - 1;
} else
g_string_append_c (gstr, *cur);
}
return g_string_free (gstr, FALSE);
}
|
