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_ref (GdkFont *font)
33 GdkFontPrivate *private;
35 g_return_val_if_fail (font != NULL, NULL);
37 private = (GdkFontPrivate*) font;
38 private->ref_count += 1;
43 gdk_font_unref (GdkFont *font)
45 GdkFontPrivate *private;
46 private = (GdkFontPrivate*) font;
48 g_return_if_fail (font != NULL);
49 g_return_if_fail (private->ref_count > 0);
51 private->ref_count -= 1;
52 if (private->ref_count == 0)
53 _gdk_font_destroy (font);
57 gdk_string_width (GdkFont *font,
60 g_return_val_if_fail (font != NULL, -1);
61 g_return_val_if_fail (string != NULL, -1);
63 return gdk_text_width (font, string, _gdk_font_strlen (font, string));
67 gdk_char_width (GdkFont *font,
70 g_return_val_if_fail (font != NULL, -1);
72 return gdk_text_width (font, &character, 1);
76 gdk_char_width_wc (GdkFont *font,
79 g_return_val_if_fail (font != NULL, -1);
81 return gdk_text_width_wc (font, &character, 1);
85 gdk_string_measure (GdkFont *font,
88 g_return_val_if_fail (font != NULL, -1);
89 g_return_val_if_fail (string != NULL, -1);
91 return gdk_text_measure (font, string, _gdk_font_strlen (font, string));
95 gdk_string_extents (GdkFont *font,
103 g_return_if_fail (font != NULL);
104 g_return_if_fail (string != NULL);
106 gdk_text_extents (font, string, _gdk_font_strlen (font, string),
107 lbearing, rbearing, width, ascent, descent);
112 gdk_text_measure (GdkFont *font,
118 g_return_val_if_fail (font != NULL, -1);
119 g_return_val_if_fail (text != NULL, -1);
121 gdk_text_extents (font, text, text_length, NULL, &rbearing, NULL, NULL, NULL);
125 gdk_char_measure (GdkFont *font,
128 g_return_val_if_fail (font != NULL, -1);
130 return gdk_text_measure (font, &character, 1);
134 gdk_string_height (GdkFont *font,
137 g_return_val_if_fail (font != NULL, -1);
138 g_return_val_if_fail (string != NULL, -1);
140 return gdk_text_height (font, string, _gdk_font_strlen (font, string));
144 gdk_text_height (GdkFont *font,
148 gint ascent, descent;
150 g_return_val_if_fail (font != NULL, -1);
151 g_return_val_if_fail (text != NULL, -1);
153 gdk_text_extents (font, text, text_length, NULL, NULL, NULL, &ascent, &descent);
154 return ascent + descent;
158 gdk_char_height (GdkFont *font,
161 g_return_val_if_fail (font != NULL, -1);
163 return gdk_text_height (font, &character, 1);