2 * Copyright © 2011 Red Hat Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
17 * Authors: Benjamin Otte <otte@gnome.org>
20 #ifndef __GTK_CSS_IMAGE_PRIVATE_H__
21 #define __GTK_CSS_IMAGE_PRIVATE_H__
24 #include <glib-object.h>
26 #include "gtk/gtkcssparserprivate.h"
27 #include "gtk/gtkcsstypesprivate.h"
31 #define GTK_TYPE_CSS_IMAGE (_gtk_css_image_get_type ())
32 #define GTK_CSS_IMAGE(obj) (G_TYPE_CHECK_INSTANCE_CAST (obj, GTK_TYPE_CSS_IMAGE, GtkCssImage))
33 #define GTK_CSS_IMAGE_CLASS(cls) (G_TYPE_CHECK_CLASS_CAST (cls, GTK_TYPE_CSS_IMAGE, GtkCssImageClass))
34 #define GTK_IS_CSS_IMAGE(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, GTK_TYPE_CSS_IMAGE))
35 #define GTK_IS_CSS_IMAGE_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE (obj, GTK_TYPE_CSS_IMAGE))
36 #define GTK_CSS_IMAGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CSS_IMAGE, GtkCssImageClass))
38 typedef struct _GtkCssImage GtkCssImage;
39 typedef struct _GtkCssImageClass GtkCssImageClass;
46 struct _GtkCssImageClass
48 GObjectClass parent_class;
50 /* width of image or 0 if it has no width (optional) */
51 int (* get_width) (GtkCssImage *image);
52 /* height of image or 0 if it has no height (optional) */
53 int (* get_height) (GtkCssImage *image);
54 /* aspect ratio (width / height) of image or 0 if it has no aspect ratio (optional) */
55 double (* get_aspect_ratio) (GtkCssImage *image);
57 /* create "computed value" in CSS terms, returns a new reference */
58 GtkCssImage *(* compute) (GtkCssImage *image,
60 GtkStyleProviderPrivate *provider,
61 GtkCssComputedValues *values,
62 GtkCssComputedValues *parent_values,
63 GtkCssDependencies *dependencies);
64 /* transition between start and end image (end may be NULL), returns new reference */
65 GtkCssImage *(* transition) (GtkCssImage *start,
70 /* draw to 0,0 with the given width and height */
71 void (* draw) (GtkCssImage *image,
75 /* parse CSS, return TRUE on success */
76 gboolean (* parse) (GtkCssImage *image,
77 GtkCssParser *parser);
79 void (* print) (GtkCssImage *image,
83 GType _gtk_css_image_get_type (void) G_GNUC_CONST;
85 gboolean _gtk_css_image_can_parse (GtkCssParser *parser);
86 GtkCssImage * _gtk_css_image_new_parse (GtkCssParser *parser);
88 int _gtk_css_image_get_width (GtkCssImage *image);
89 int _gtk_css_image_get_height (GtkCssImage *image);
90 double _gtk_css_image_get_aspect_ratio (GtkCssImage *image);
92 GtkCssImage * _gtk_css_image_compute (GtkCssImage *image,
94 GtkStyleProviderPrivate *provider,
95 GtkCssComputedValues *values,
96 GtkCssComputedValues *parent_values,
97 GtkCssDependencies *dependencies);
98 GtkCssImage * _gtk_css_image_transition (GtkCssImage *start,
103 void _gtk_css_image_draw (GtkCssImage *image,
107 void _gtk_css_image_print (GtkCssImage *image,
110 void _gtk_css_image_get_concrete_size (GtkCssImage *image,
111 double specified_width,
112 double specified_height,
113 double default_width,
114 double default_height,
115 double *concrete_width,
116 double *concrete_height);
118 _gtk_css_image_get_surface (GtkCssImage *image,
119 cairo_surface_t *target,
125 #endif /* __GTK_CSS_IMAGE_PRIVATE_H__ */