1 | /* GTK - The GIMP Toolkit |
2 | * Copyright (C) 2014,2015 Benjamin Otte |
3 | * |
4 | * Authors: Benjamin Otte <otte@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 | #include "config.h" |
21 | |
22 | #include "gtkrendericonprivate.h" |
23 | |
24 | #include "gtkcssfiltervalueprivate.h" |
25 | #include "gtkcssimagevalueprivate.h" |
26 | #include "gtkcssshadowvalueprivate.h" |
27 | #include "gtkcssstyleprivate.h" |
28 | #include "gtkcsstransformvalueprivate.h" |
29 | #include "gtkiconthemeprivate.h" |
30 | #include "gtksnapshot.h" |
31 | #include "gtksymbolicpaintable.h" |
32 | #include "gsktransform.h" |
33 | |
34 | #include <math.h> |
35 | |
36 | void |
37 | gtk_css_style_snapshot_icon (GtkCssStyle *style, |
38 | GtkSnapshot *snapshot, |
39 | double width, |
40 | double height) |
41 | { |
42 | GskTransform *transform; |
43 | GtkCssImage *image; |
44 | gboolean has_shadow; |
45 | |
46 | g_return_if_fail (GTK_IS_CSS_STYLE (style)); |
47 | g_return_if_fail (snapshot != NULL); |
48 | |
49 | if (width == 0.0 || height == 0.0) |
50 | return; |
51 | |
52 | image = _gtk_css_image_value_get_image (image: style->other->icon_source); |
53 | if (image == NULL) |
54 | return; |
55 | |
56 | transform = gtk_css_transform_value_get_transform (transform: style->other->icon_transform); |
57 | |
58 | gtk_snapshot_push_debug (snapshot, message: "CSS Icon @ %gx%g" , width, height); |
59 | |
60 | gtk_css_filter_value_push_snapshot (filter: style->other->icon_filter, snapshot); |
61 | |
62 | has_shadow = gtk_css_shadow_value_push_snapshot (value: style->icon->icon_shadow, snapshot); |
63 | |
64 | if (transform == NULL) |
65 | { |
66 | gtk_css_image_snapshot (image, snapshot, width, height); |
67 | } |
68 | else |
69 | { |
70 | gtk_snapshot_save (snapshot); |
71 | |
72 | /* XXX: Implement -gtk-icon-transform-origin instead of hardcoding "50% 50%" here */ |
73 | gtk_snapshot_translate (snapshot, point: &GRAPHENE_POINT_INIT (width / 2.0, height / 2.0)); |
74 | gtk_snapshot_transform (snapshot, transform); |
75 | gtk_snapshot_translate (snapshot, point: &GRAPHENE_POINT_INIT (- width / 2.0, - height / 2.0)); |
76 | |
77 | gtk_css_image_snapshot (image, snapshot, width, height); |
78 | |
79 | gtk_snapshot_restore (snapshot); |
80 | } |
81 | |
82 | if (has_shadow) |
83 | gtk_snapshot_pop (snapshot); |
84 | |
85 | gtk_css_filter_value_pop_snapshot (filter: style->other->icon_filter, snapshot); |
86 | |
87 | gtk_snapshot_pop (snapshot); |
88 | |
89 | gsk_transform_unref (self: transform); |
90 | } |
91 | |
92 | void |
93 | gtk_css_style_snapshot_icon_paintable (GtkCssStyle *style, |
94 | GtkSnapshot *snapshot, |
95 | GdkPaintable *paintable, |
96 | double width, |
97 | double height) |
98 | { |
99 | GskTransform *transform; |
100 | gboolean has_shadow; |
101 | gboolean is_symbolic_paintable; |
102 | GdkRGBA colors[4]; |
103 | |
104 | g_return_if_fail (GTK_IS_CSS_STYLE (style)); |
105 | g_return_if_fail (snapshot != NULL); |
106 | g_return_if_fail (GDK_IS_PAINTABLE (paintable)); |
107 | g_return_if_fail (width > 0); |
108 | g_return_if_fail (height > 0); |
109 | |
110 | transform = gtk_css_transform_value_get_transform (transform: style->other->icon_transform); |
111 | |
112 | gtk_css_filter_value_push_snapshot (filter: style->other->icon_filter, snapshot); |
113 | |
114 | has_shadow = gtk_css_shadow_value_push_snapshot (value: style->icon->icon_shadow, snapshot); |
115 | |
116 | is_symbolic_paintable = GTK_IS_SYMBOLIC_PAINTABLE (ptr: paintable); |
117 | if (is_symbolic_paintable) |
118 | { |
119 | gtk_icon_theme_lookup_symbolic_colors (style, color_out: colors); |
120 | |
121 | if (gdk_rgba_is_clear (rgba: &colors[0])) |
122 | goto transparent; |
123 | } |
124 | |
125 | if (transform == NULL) |
126 | { |
127 | if (is_symbolic_paintable) |
128 | gtk_symbolic_paintable_snapshot_symbolic (paintable: GTK_SYMBOLIC_PAINTABLE (ptr: paintable), snapshot, width, height, colors, G_N_ELEMENTS (colors)); |
129 | else |
130 | gdk_paintable_snapshot (paintable, snapshot, width, height); |
131 | } |
132 | else |
133 | { |
134 | gtk_snapshot_save (snapshot); |
135 | |
136 | /* XXX: Implement -gtk-icon-transform-origin instead of hardcoding "50% 50%" here */ |
137 | gtk_snapshot_translate (snapshot, point: &GRAPHENE_POINT_INIT (width / 2.0, height / 2.0)); |
138 | gtk_snapshot_transform (snapshot, transform); |
139 | gtk_snapshot_translate (snapshot, point: &GRAPHENE_POINT_INIT (- width / 2.0, - height / 2.0)); |
140 | |
141 | if (is_symbolic_paintable) |
142 | gtk_symbolic_paintable_snapshot_symbolic (paintable: GTK_SYMBOLIC_PAINTABLE (ptr: paintable), snapshot, width, height, colors, G_N_ELEMENTS (colors)); |
143 | else |
144 | gdk_paintable_snapshot (paintable, snapshot, width, height); |
145 | |
146 | gtk_snapshot_restore (snapshot); |
147 | } |
148 | |
149 | transparent: |
150 | if (has_shadow) |
151 | gtk_snapshot_pop (snapshot); |
152 | |
153 | gtk_css_filter_value_pop_snapshot (filter: style->other->icon_filter, snapshot); |
154 | |
155 | gsk_transform_unref (self: transform); |
156 | } |
157 | |