Initial revision

1 files changed, 106 insertions, 0 deletions

diff --git a/pango/glyphstring.c b/pango/glyphstring.c
new file mode 100644
index 00000000..d965ceb8
--- /dev/null
+++ b/pango/glyphstring.c
@@ -0,0 +1,106 @@
+/* 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);
+}