177 lines
4.2 KiB
C
177 lines
4.2 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "gdkfont.h"
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#include "gdkinternals.h"
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GType
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gdk_font_get_type (void)
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{
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static GType our_type = 0;
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if (our_type == 0)
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our_type = g_boxed_type_register_static ("GdkFont",
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(GBoxedCopyFunc)gdk_font_ref,
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(GBoxedFreeFunc)gdk_font_unref);
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return our_type;
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}
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GdkFont*
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gdk_font_ref (GdkFont *font)
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{
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GdkFontPrivate *private;
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g_return_val_if_fail (font != NULL, NULL);
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private = (GdkFontPrivate*) font;
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private->ref_count += 1;
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return font;
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}
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void
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gdk_font_unref (GdkFont *font)
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{
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GdkFontPrivate *private;
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private = (GdkFontPrivate*) font;
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g_return_if_fail (font != NULL);
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g_return_if_fail (private->ref_count > 0);
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private->ref_count -= 1;
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if (private->ref_count == 0)
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_gdk_font_destroy (font);
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}
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gint
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gdk_string_width (GdkFont *font,
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const gchar *string)
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{
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g_return_val_if_fail (font != NULL, -1);
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g_return_val_if_fail (string != NULL, -1);
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return gdk_text_width (font, string, _gdk_font_strlen (font, string));
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}
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gint
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gdk_char_width (GdkFont *font,
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gchar character)
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{
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g_return_val_if_fail (font != NULL, -1);
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return gdk_text_width (font, &character, 1);
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}
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gint
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gdk_char_width_wc (GdkFont *font,
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GdkWChar character)
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{
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g_return_val_if_fail (font != NULL, -1);
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return gdk_text_width_wc (font, &character, 1);
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}
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gint
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gdk_string_measure (GdkFont *font,
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const gchar *string)
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{
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g_return_val_if_fail (font != NULL, -1);
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g_return_val_if_fail (string != NULL, -1);
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return gdk_text_measure (font, string, _gdk_font_strlen (font, string));
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}
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void
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gdk_string_extents (GdkFont *font,
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const gchar *string,
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gint *lbearing,
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gint *rbearing,
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gint *width,
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gint *ascent,
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gint *descent)
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{
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g_return_if_fail (font != NULL);
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g_return_if_fail (string != NULL);
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gdk_text_extents (font, string, _gdk_font_strlen (font, string),
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lbearing, rbearing, width, ascent, descent);
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}
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gint
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gdk_text_measure (GdkFont *font,
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const gchar *text,
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gint text_length)
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{
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gint rbearing;
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g_return_val_if_fail (font != NULL, -1);
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g_return_val_if_fail (text != NULL, -1);
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gdk_text_extents (font, text, text_length, NULL, &rbearing, NULL, NULL, NULL);
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return rbearing;
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}
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gint
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gdk_char_measure (GdkFont *font,
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gchar character)
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{
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g_return_val_if_fail (font != NULL, -1);
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return gdk_text_measure (font, &character, 1);
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}
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gint
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gdk_string_height (GdkFont *font,
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const gchar *string)
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{
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g_return_val_if_fail (font != NULL, -1);
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g_return_val_if_fail (string != NULL, -1);
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return gdk_text_height (font, string, _gdk_font_strlen (font, string));
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}
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gint
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gdk_text_height (GdkFont *font,
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const gchar *text,
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gint text_length)
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{
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gint ascent, descent;
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g_return_val_if_fail (font != NULL, -1);
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g_return_val_if_fail (text != NULL, -1);
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gdk_text_extents (font, text, text_length, NULL, NULL, NULL, &ascent, &descent);
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return ascent + descent;
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}
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gint
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gdk_char_height (GdkFont *font,
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gchar character)
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{
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g_return_val_if_fail (font != NULL, -1);
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return gdk_text_height (font, &character, 1);
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}
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