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/* Pango
* glyphstring.c:
*
* Copyright (C) 1999 Red Hat Software
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <glib.h>
#include <pango.h>
/**
* pango_glyph_string_new:
*
* Create a new PangoGlyphString.
*
* Returns the new PangoGlyphString
*/
PangoGlyphString *
pango_glyph_string_new (void)
{
PangoGlyphString *string = g_new (PangoGlyphString, 1);
string->num_glyphs = 0;
string->space = 0;
string->glyphs = NULL;
string->geometry = NULL;
string->attrs = NULL;
string->log_clusters = NULL;
return string;
}
/**
* pango_glyph_string_set_size:
* @string: a PangoGlyphString.
* @new_len: the new length of the string.
*
* Resize a glyph string to the given length.
*/
void
pango_glyph_string_set_size (PangoGlyphString *string, gint new_len)
{
g_return_if_fail (new_len >= 0);
while (new_len > string->space)
{
if (string->space == 0)
string->space = 1;
else
string->space *= 2;
if (string->space < 0)
string->space = G_MAXINT;
}
string->glyphs = g_realloc (string->glyphs, string->space * sizeof (PangoGlyph));
string->geometry = g_realloc (string->geometry, string->space * sizeof (PangoGlyphGeometry));
string->attrs = g_realloc (string->attrs, string->space * sizeof (PangoGlyphVisAttr));
string->log_clusters = g_realloc (string->log_clusters, string->space * sizeof (gint));
string->num_glyphs = new_len;
}
/**
* pango_glyph_string_free:
* @string: a PangoGlyphString.
*
* Free a glyph string and associated storage.
*/
void
pango_glyph_string_free (PangoGlyphString *string)
{
int i;
PangoCFont *last_cfont = NULL;
for (i=0; i<string->num_glyphs; i++)
{
if (last_cfont && string->glyphs[i].font != last_cfont)
{
pango_cfont_unref (last_cfont);
last_cfont = string->glyphs[i].font;
}
}
if (last_cfont)
pango_cfont_unref (last_cfont);
g_free (string->glyphs);
g_free (string->geometry);
g_free (string->attrs);
g_free (string->log_clusters);
g_free (string);
}
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