Add PangoEllipsizeMode, pango_layout_set_ellipsize(), implement. (#59071)

Wed Jul 14 17:47:38 2004  Owen Taylor  <otaylor@redhat.com>

        * pango/pango-layout.[ch] pango/ellipsize.c pango/Makefile.am:
        Add PangoEllipsizeMode, pango_layout_set_ellipsize(), implement.
        (#59071)

        * pango/pango-layout-private.h pango/pango-layout.c:
        Move PangoLayout structure into a separate header file.

        * pango/pango-glyph-item.[ch]: Add pango_glyph_item_free().

        * pango/pango-glyph-item-private.h pango/pango-glyph-item.c:
        Internally export the PangoGlyphItemIter functionality.

        * examples/renderdemo.[ch]: Add --ellipsize option.

1 files changed, 64 insertions, 0 deletions

diff --git a/pango/pango-glyph-item-private.h b/pango/pango-glyph-item-private.h
new file mode 100644
index 00000000..245706ad
--- /dev/null
+++ b/pango/pango-glyph-item-private.h
@@ -0,0 +1,64 @@
+/* -*- mode: C; c-file-style: "gnu" -*- */
+/* Pango
+ * pango-glyph-item-private.h: Pair of PangoItem and a glyph string; private
+ *   functionality
+ *
+ * Copyright (C) 2004 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.
+ */
+
+#ifndef __PANGO_GLYPH_ITEM_PRIVATE_H__
+#define __PANGO_GLYPH_ITEM_PRIVATE_H__
+
+#include <pango-glyph-item.h>
+
+G_BEGIN_DECLS
+
+/* Structure holding state when we're iterating over a GlyphItem.
+ * start_index/cluster_end (and range_start/range_end in
+ * apply_attrs()) are offsets into the text, so note the difference
+ * of glyph_item->item->offset between them and clusters in the
+ * log_clusters[] array.
+ */
+typedef struct _PangoGlyphItemIter PangoGlyphItemIter;
+
+struct _PangoGlyphItemIter
+{
+  PangoGlyphItem *glyph_item;
+  const gchar *text;
+  
+  int start_glyph;
+  int start_index;
+  int start_char;
+
+  int end_glyph;
+  int end_index;
+  int end_char;
+};
+
+gboolean _pango_glyph_item_iter_init_start   (PangoGlyphItemIter *iter,
+					      PangoGlyphItem     *glyph_item,
+					      const char         *text);
+gboolean _pango_glyph_item_iter_init_end     (PangoGlyphItemIter *iter,
+					      PangoGlyphItem     *glyph_item,
+					      const char         *text);
+gboolean _pango_glyph_item_iter_next_cluster (PangoGlyphItemIter *iter);
+gboolean _pango_glyph_item_iter_prev_cluster (PangoGlyphItemIter *iter);
+
+G_END_DECLS
+
+#endif /* __PANGO_GLYPH_ITEM_PRIVATE_H__ */