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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/* gtk-clutter-texture.h
*
* Copyright (C) 2010 Intel Corp.
*
* 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
* Lesser 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 see <http://www.fsf.org/licensing>.
*
* Authors:
* Emmanuele Bassi <ebassi@linux.intel.com>
*/
/**
* SECTION:gtk-clutter-texture
* @Title: GtkClutterTexture
* @Short_Description: A texture class using GTK+ image data types
*
* #GtkClutterTexture is a simple sub-class of #ClutterTexture that
* integrates nicely with #GdkPixbuf, #GtkIconTheme and stock icons.
*/
#include "config.h"
#include "gtk-clutter-texture.h"
#include <glib/gi18n-lib.h>
G_DEFINE_TYPE (GtkClutterTexture, gtk_clutter_texture, CLUTTER_TYPE_TEXTURE);
static void
gtk_clutter_texture_class_init (GtkClutterTextureClass *klass)
{
}
static void
gtk_clutter_texture_init (GtkClutterTexture *texture)
{
}
GQuark
gtk_clutter_texture_error_quark (void)
{
return g_quark_from_static_string ("gtk-clutter-texture-error");
}
/**
* gtk_clutter_texture_new:
*
* Creates a new #GtkClutterTexture actor.
*
* Return value: the newly created #GtkClutterTexture
* instance
*
* Since: 1.0
*/
ClutterActor *
gtk_clutter_texture_new (void)
{
return g_object_new (GTK_CLUTTER_TYPE_TEXTURE, NULL);
}
/**
* gtk_clutter_texture_set_from_pixbuf:
* @texture: a #GtkClutterTexture
* @pixbuf: a #GdkPixbuf
* @error: a return location for errors
*
* Sets the contents of @texture with a copy of @pixbuf.
*
* Return value: %TRUE on success, %FALSE on failure.
*/
gboolean
gtk_clutter_texture_set_from_pixbuf (GtkClutterTexture *texture,
GdkPixbuf *pixbuf,
GError **error)
{
g_return_val_if_fail (GTK_CLUTTER_IS_TEXTURE (texture), FALSE);
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), FALSE);
return clutter_texture_set_from_rgb_data (CLUTTER_TEXTURE (texture),
gdk_pixbuf_get_pixels (pixbuf),
gdk_pixbuf_get_has_alpha (pixbuf),
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
gdk_pixbuf_get_rowstride (pixbuf),
gdk_pixbuf_get_has_alpha (pixbuf) ? 4 : 3,
0,
error);
}
/**
* gtk_clutter_texture_set_from_stock:
* @texture: a #GtkClutterTexture
* @widget: a #GtkWidget
* @stock_id: the stock id of the icon
* @icon_size: the size of the icon, or -1
* @error: a return location for errors, or %NULL
*
* Sets the contents of @texture using the stock icon @stock_id, as
* rendered by @widget.
*
* Return value: %TRUE on success, %FALSE on failure.
*/
gboolean
gtk_clutter_texture_set_from_stock (GtkClutterTexture *texture,
GtkWidget *widget,
const gchar *stock_id,
GtkIconSize icon_size,
GError **error)
{
GdkPixbuf *pixbuf;
gboolean returnval;
g_return_val_if_fail (GTK_CLUTTER_IS_TEXTURE (texture), FALSE);
g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
g_return_val_if_fail (stock_id != NULL, FALSE);
g_return_val_if_fail ((icon_size > GTK_ICON_SIZE_INVALID) || (icon_size == -1), FALSE);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
pixbuf = gtk_widget_render_icon_pixbuf (widget, stock_id, icon_size);
G_GNUC_END_IGNORE_DEPRECATIONS
if (pixbuf == NULL)
{
g_set_error (error,
GTK_CLUTTER_TEXTURE_ERROR,
GTK_CLUTTER_TEXTURE_ERROR_INVALID_STOCK_ID,
_("Stock ID '%s' not found"),
stock_id);
return FALSE;
}
returnval = gtk_clutter_texture_set_from_pixbuf (texture, pixbuf, error);
g_object_unref (pixbuf);
return returnval;
}
/**
* gtk_clutter_texture_set_from_icon_name:
* @texture: a #GtkClutterTexture
* @widget: (allow-none): a #GtkWidget or %NULL
* @icon_name: the name of the icon
* @icon_size: the icon size or -1
* @error: a return location for errors, or %NULL
*
* Sets the contents of @texture using the @icon_name from the
* current icon theme.
*
* Return value: %TRUE on success, %FALSE on failure
*
* Since: 1.0
*/
gboolean
gtk_clutter_texture_set_from_icon_name (GtkClutterTexture *texture,
GtkWidget *widget,
const gchar *icon_name,
GtkIconSize icon_size,
GError **error)
{
GError *local_error = NULL;
GtkSettings *settings;
GtkIconTheme *icon_theme;
gboolean returnval;
gint width, height;
GdkPixbuf *pixbuf;
g_return_val_if_fail (CLUTTER_IS_TEXTURE (texture), FALSE);
g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
g_return_val_if_fail (icon_name != NULL, FALSE);
g_return_val_if_fail ((icon_size > GTK_ICON_SIZE_INVALID) || (icon_size == -1), FALSE);
if (widget && gtk_widget_has_screen (widget))
{
GdkScreen *screen;
screen = gtk_widget_get_screen (widget);
settings = gtk_settings_get_for_screen (screen);
icon_theme = gtk_icon_theme_get_for_screen (screen);
}
else
{
settings = gtk_settings_get_default ();
icon_theme = gtk_icon_theme_get_default ();
}
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
if (icon_size == -1 ||
!gtk_icon_size_lookup_for_settings (settings, icon_size, &width, &height))
{
width = height = 48;
}
G_GNUC_END_IGNORE_DEPRECATIONS
pixbuf = gtk_icon_theme_load_icon (icon_theme,
icon_name,
MIN (width, height), 0,
&local_error);
if (local_error)
{
g_propagate_error (error, local_error);
return FALSE;
}
returnval = gtk_clutter_texture_set_from_pixbuf (texture, pixbuf, error);
g_object_unref (pixbuf);
return returnval;
}
|
