1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
28 #include "gdkinternals.h"
31 gdk_font_get_type (void)
33 static GType our_type = 0;
36 our_type = g_boxed_type_register_static ("GdkFont",
37 (GBoxedCopyFunc)gdk_font_ref,
38 (GBoxedFreeFunc)gdk_font_unref);
43 gdk_font_ref (GdkFont *font)
45 GdkFontPrivate *private;
47 g_return_val_if_fail (font != NULL, NULL);
49 private = (GdkFontPrivate*) font;
50 private->ref_count += 1;
55 gdk_font_unref (GdkFont *font)
57 GdkFontPrivate *private;
58 private = (GdkFontPrivate*) font;
60 g_return_if_fail (font != NULL);
61 g_return_if_fail (private->ref_count > 0);
63 private->ref_count -= 1;
64 if (private->ref_count == 0)
65 _gdk_font_destroy (font);
69 gdk_string_width (GdkFont *font,
72 g_return_val_if_fail (font != NULL, -1);
73 g_return_val_if_fail (string != NULL, -1);
75 return gdk_text_width (font, string, _gdk_font_strlen (font, string));
79 gdk_char_width (GdkFont *font,
82 g_return_val_if_fail (font != NULL, -1);
84 return gdk_text_width (font, &character, 1);
88 gdk_char_width_wc (GdkFont *font,
91 g_return_val_if_fail (font != NULL, -1);
93 return gdk_text_width_wc (font, &character, 1);
97 gdk_string_measure (GdkFont *font,
100 g_return_val_if_fail (font != NULL, -1);
101 g_return_val_if_fail (string != NULL, -1);
103 return gdk_text_measure (font, string, _gdk_font_strlen (font, string));
107 gdk_string_extents (GdkFont *font,
115 g_return_if_fail (font != NULL);
116 g_return_if_fail (string != NULL);
118 gdk_text_extents (font, string, _gdk_font_strlen (font, string),
119 lbearing, rbearing, width, ascent, descent);
124 gdk_text_measure (GdkFont *font,
130 g_return_val_if_fail (font != NULL, -1);
131 g_return_val_if_fail (text != NULL, -1);
133 gdk_text_extents (font, text, text_length, NULL, &rbearing, NULL, NULL, NULL);
137 gdk_char_measure (GdkFont *font,
140 g_return_val_if_fail (font != NULL, -1);
142 return gdk_text_measure (font, &character, 1);
146 gdk_string_height (GdkFont *font,
149 g_return_val_if_fail (font != NULL, -1);
150 g_return_val_if_fail (string != NULL, -1);
152 return gdk_text_height (font, string, _gdk_font_strlen (font, string));
156 gdk_text_height (GdkFont *font,
160 gint ascent, descent;
162 g_return_val_if_fail (font != NULL, -1);
163 g_return_val_if_fail (text != NULL, -1);
165 gdk_text_extents (font, text, text_length, NULL, NULL, NULL, &ascent, &descent);
166 return ascent + descent;
170 gdk_char_height (GdkFont *font,
173 g_return_val_if_fail (font != NULL, -1);
175 return gdk_text_height (font, &character, 1);