1 /* GTK - The GIMP Toolkit
2  * Copyright (C) 2011 Red Hat, Inc.
3  *
4  * Authors: Cosimo Cecchi <cosimoc@gnome.org>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef __GTK_ICON_HELPER_H__
21 #define __GTK_ICON_HELPER_H__
22 
23 #include "gtk/gtkimage.h"
24 #include "gtk/gtktypes.h"
25 
26 #include "gtkcssgadgetprivate.h"
27 #include "gtkimagedefinitionprivate.h"
28 
29 G_BEGIN_DECLS
30 
31 #define GTK_TYPE_ICON_HELPER gtk_icon_helper_get_type()
32 
33 #define GTK_ICON_HELPER(obj) \
34   (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
35    GTK_TYPE_ICON_HELPER, GtkIconHelper))
36 
37 #define GTK_ICON_HELPER_CLASS(klass) \
38   (G_TYPE_CHECK_CLASS_CAST ((klass), \
39    GTK_TYPE_ICON_HELPER, GtkIconHelperClass))
40 
41 #define GTK_IS_ICON_HELPER(obj) \
42   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
43    GTK_TYPE_ICON_HELPER))
44 
45 #define GTK_IS_ICON_HELPER_CLASS(klass) \
46   (G_TYPE_CHECK_CLASS_TYPE ((klass), \
47    GTK_TYPE_ICON_HELPER))
48 
49 #define GTK_ICON_HELPER_GET_CLASS(obj) \
50   (G_TYPE_INSTANCE_GET_CLASS ((obj), \
51    GTK_TYPE_ICON_HELPER, GtkIconHelperClass))
52 
53 typedef struct _GtkIconHelper GtkIconHelper;
54 typedef struct _GtkIconHelperClass GtkIconHelperClass;
55 typedef struct _GtkIconHelperPrivate GtkIconHelperPrivate;
56 
57 struct _GtkIconHelper
58 {
59   GtkCssGadget parent;
60 
61   GtkIconHelperPrivate *priv;
62 };
63 
64 struct _GtkIconHelperClass
65 {
66   GtkCssGadgetClass parent_class;
67 };
68 
69 GType gtk_icon_helper_get_type (void) G_GNUC_CONST;
70 
71 GtkIconHelper *gtk_icon_helper_new (GtkCssNode *node,
72                                     GtkWidget  *owner);
73 GtkCssGadget *gtk_icon_helper_new_named (const char *name,
74                                           GtkWidget  *owner);
75 
76 void _gtk_icon_helper_clear (GtkIconHelper *self);
77 
78 gboolean _gtk_icon_helper_get_is_empty (GtkIconHelper *self);
79 
80 void _gtk_icon_helper_set_definition (GtkIconHelper *self,
81                                       GtkImageDefinition *def);
82 void _gtk_icon_helper_set_gicon (GtkIconHelper *self,
83                                  GIcon *gicon,
84                                  GtkIconSize icon_size);
85 void _gtk_icon_helper_set_pixbuf (GtkIconHelper *self,
86 				  GdkPixbuf *pixbuf);
87 void _gtk_icon_helper_set_pixbuf_scale (GtkIconHelper *self,
88 					int scale);
89 void _gtk_icon_helper_set_animation (GtkIconHelper *self,
90                                      GdkPixbufAnimation *animation);
91 void _gtk_icon_helper_set_icon_set (GtkIconHelper *self,
92                                     GtkIconSet *icon_set,
93                                     GtkIconSize icon_size);
94 
95 void _gtk_icon_helper_set_icon_name (GtkIconHelper *self,
96                                      const gchar *icon_name,
97                                      GtkIconSize icon_size);
98 void _gtk_icon_helper_set_stock_id (GtkIconHelper *self,
99                                     const gchar *stock_id,
100                                     GtkIconSize icon_size);
101 void _gtk_icon_helper_set_surface (GtkIconHelper *self,
102 				   cairo_surface_t *surface);
103 
104 gboolean _gtk_icon_helper_set_icon_size    (GtkIconHelper *self,
105                                             GtkIconSize    icon_size);
106 gboolean _gtk_icon_helper_set_pixel_size   (GtkIconHelper *self,
107                                             gint           pixel_size);
108 gboolean _gtk_icon_helper_set_use_fallback (GtkIconHelper *self,
109                                             gboolean       use_fallback);
110 
111 GtkImageType _gtk_icon_helper_get_storage_type (GtkIconHelper *self);
112 GtkIconSize _gtk_icon_helper_get_icon_size (GtkIconHelper *self);
113 gint _gtk_icon_helper_get_pixel_size (GtkIconHelper *self);
114 gboolean _gtk_icon_helper_get_use_fallback (GtkIconHelper *self);
115 
116 GdkPixbuf *_gtk_icon_helper_peek_pixbuf (GtkIconHelper *self);
117 GIcon *_gtk_icon_helper_peek_gicon (GtkIconHelper *self);
118 GtkIconSet *_gtk_icon_helper_peek_icon_set (GtkIconHelper *self);
119 GdkPixbufAnimation *_gtk_icon_helper_peek_animation (GtkIconHelper *self);
120 cairo_surface_t *_gtk_icon_helper_peek_surface (GtkIconHelper *self);
121 
122 GtkImageDefinition *gtk_icon_helper_get_definition (GtkIconHelper *self);
123 const gchar *_gtk_icon_helper_get_stock_id (GtkIconHelper *self);
124 const gchar *_gtk_icon_helper_get_icon_name (GtkIconHelper *self);
125 
126 cairo_surface_t *gtk_icon_helper_load_surface (GtkIconHelper *self,
127                                                int              scale);
128 void _gtk_icon_helper_get_size (GtkIconHelper *self,
129                                 gint *width_out,
130                                 gint *height_out);
131 
132 void _gtk_icon_helper_draw (GtkIconHelper *self,
133                             cairo_t *cr,
134                             gdouble x,
135                             gdouble y);
136 
137 gboolean _gtk_icon_helper_get_force_scale_pixbuf (GtkIconHelper *self);
138 void     _gtk_icon_helper_set_force_scale_pixbuf (GtkIconHelper *self,
139                                                   gboolean       force_scale);
140 
141 void      gtk_icon_helper_invalidate_for_change (GtkIconHelper     *self,
142                                                  GtkCssStyleChange *change);
143 
144 G_END_DECLS
145 
146 #endif /* __GTK_ICON_HELPER_H__ */
147