1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
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 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, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 #include "gtksymboliccolor.h"
22 #include "gtkstyleset.h"
33 struct GtkSymbolicColor
45 GtkSymbolicColor *color;
51 GtkSymbolicColor *color1;
52 GtkSymbolicColor *color2;
59 gtk_symbolic_color_new_literal (GdkColor *color)
61 GtkSymbolicColor *symbolic_color;
63 g_return_val_if_fail (color != NULL, NULL);
65 symbolic_color = g_slice_new0 (GtkSymbolicColor);
66 symbolic_color->type = COLOR_TYPE_LITERAL;
67 symbolic_color->color = *color;
68 symbolic_color->ref_count = 1;
70 return symbolic_color;
74 gtk_symbolic_color_new_name (const gchar *name)
76 GtkSymbolicColor *symbolic_color;
78 g_return_val_if_fail (name != NULL, NULL);
80 symbolic_color = g_slice_new0 (GtkSymbolicColor);
81 symbolic_color->type = COLOR_TYPE_NAME;
82 symbolic_color->name = g_strdup (name);
83 symbolic_color->ref_count = 1;
85 return symbolic_color;
89 gtk_symbolic_color_new_shade (GtkSymbolicColor *color,
92 GtkSymbolicColor *symbolic_color;
94 g_return_val_if_fail (color != NULL, NULL);
96 symbolic_color = g_slice_new0 (GtkSymbolicColor);
97 symbolic_color->type = COLOR_TYPE_SHADE;
98 symbolic_color->shade.color = gtk_symbolic_color_ref (color);
99 symbolic_color->shade.factor = CLAMP (factor, 0, 1);
100 symbolic_color->ref_count = 1;
102 return symbolic_color;
106 gtk_symbolic_color_new_mix (GtkSymbolicColor *color1,
107 GtkSymbolicColor *color2,
110 GtkSymbolicColor *symbolic_color;
112 g_return_val_if_fail (color1 != NULL, NULL);
113 g_return_val_if_fail (color1 != NULL, NULL);
115 symbolic_color = g_slice_new0 (GtkSymbolicColor);
116 symbolic_color->type = COLOR_TYPE_MIX;
117 symbolic_color->mix.color1 = gtk_symbolic_color_ref (color1);
118 symbolic_color->mix.color2 = gtk_symbolic_color_ref (color2);
119 symbolic_color->mix.factor = CLAMP (factor, 0, 1);
120 symbolic_color->ref_count = 1;
122 return symbolic_color;
126 gtk_symbolic_color_ref (GtkSymbolicColor *color)
128 g_return_val_if_fail (color != NULL, NULL);
136 gtk_symbolic_color_unref (GtkSymbolicColor *color)
138 g_return_if_fail (color != NULL);
142 if (color->ref_count == 0)
146 case COLOR_TYPE_NAME:
147 g_free (color->name);
149 case COLOR_TYPE_SHADE:
150 gtk_symbolic_color_unref (color->shade.color);
153 gtk_symbolic_color_unref (color->mix.color1);
154 gtk_symbolic_color_unref (color->mix.color2);
160 g_slice_free (GtkSymbolicColor, color);
165 gtk_symbolic_color_resolve (GtkSymbolicColor *color,
166 GtkStyleSet *style_set,
167 GdkColor *resolved_color)
169 g_return_val_if_fail (color != NULL, FALSE);
170 g_return_val_if_fail (GTK_IS_STYLE_SET (style_set), FALSE);
171 g_return_val_if_fail (resolved_color != NULL, FALSE);
175 case COLOR_TYPE_LITERAL:
176 *resolved_color = color->color;
178 case COLOR_TYPE_NAME:
180 GtkSymbolicColor *named_color;
182 named_color = gtk_style_set_lookup_color (style_set, color->name);
187 return gtk_symbolic_color_resolve (named_color, style_set, resolved_color);
191 case COLOR_TYPE_SHADE:
195 if (!gtk_symbolic_color_resolve (color->shade.color, style_set, &shade))
198 resolved_color->red = CLAMP (shade.red * color->shade.factor, 0, 65535);
199 resolved_color->green = CLAMP (shade.green * color->shade.factor, 0, 65535);
200 resolved_color->blue = CLAMP (shade.blue * color->shade.factor, 0, 65535);
208 GdkColor color1, color2;
210 if (!gtk_symbolic_color_resolve (color->mix.color1, style_set, &color1))
213 if (!gtk_symbolic_color_resolve (color->mix.color2, style_set, &color2))
216 resolved_color->red = CLAMP (color1.red + ((color2.red - color1.red) * color->mix.factor), 0, 65535);
217 resolved_color->green = CLAMP (color1.green + ((color2.green - color1.green) * color->mix.factor), 0, 65535);
218 resolved_color->blue = CLAMP (color1.blue + ((color2.blue - color1.blue) * color->mix.factor), 0, 65535);
225 g_assert_not_reached ();
232 gtk_symbolic_color_get_type (void)
234 static GType type = 0;
236 if (G_UNLIKELY (!type))
237 type = g_boxed_type_register_static (I_("GtkSymbolicColor"),
238 (GBoxedCopyFunc) gtk_symbolic_color_ref,
239 (GBoxedFreeFunc) gtk_symbolic_color_unref);
244 #define __GTK_SYMBOLIC_COLOR_C__
245 #include "gtkaliasdef.c"