init

1 files changed, 91 insertions, 0 deletions

diff --git a/imageto/ifi.h b/imageto/ifi.h
new file mode 100644
index 0000000..e013d26
--- /dev/null
+++ b/imageto/ifi.h
@@ -0,0 +1,91 @@
+/* ifi.h: information about the characters in the image.
+
+Copyright (C) 1992 Free Software Foundation, Inc.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#ifndef IFI_H
+#define IFI_H
+
+#include <kpathsea/types.h>
+
+
+/* See ifi.c.  */
+extern string encoding_name, ifi_filename;
+
+
+/* A single character in the image.  */
+typedef struct 
+{
+  charcode_type charcode;
+  string charname;
+  boolean omit;
+  int baseline_adjust;
+  unsigned bb_count;
+  boolean alternating;
+  int lsb, rsb;
+} image_char_type;
+
+/* The character code.  This is garbage if `omit' is true.  */
+#define IMAGE_CHARCODE(c) ((c).charcode)
+
+/* The character name.  */
+#define IMAGE_CHARNAME(c) ((c).charname)
+
+/* Says whether this character should be output.  */
+#define IMAGE_CHAR_OMIT(c) ((c).omit)
+
+/* How far the baseline should be moved from the row's baseline.  */
+#define IMAGE_CHAR_BASELINE_ADJUST(c) ((c).baseline_adjust)
+
+/* How many bounding boxes comprise this character.  */
+#define IMAGE_CHAR_BB_COUNT(c) ((c).bb_count)
+
+/* Says whether the bounding boxes in this character are consecutive
+   (the usual case) or alternate.  */
+#define IMAGE_CHAR_BB_ALTERNATING(c) ((c).alternating)
+
+/* The side bearings.  */
+#define IMAGE_CHAR_LSB(c) ((c).lsb)
+#define IMAGE_CHAR_RSB(c) ((c).rsb)
+
+
+/* A list of the above.  */
+typedef struct
+{
+  image_char_type *data;
+  unsigned length;
+} image_char_list_type;
+
+/* The Nth element of the list L.  */
+#define IMAGE_CHAR(l, n) ((l).data[n])
+
+/* The list as a whole.  */
+#define IMAGE_CHAR_LIST_DATA(l) ((l).data)
+
+/* The length of the list.  */
+#define IMAGE_CHAR_LIST_LENGTH(l) ((l).length)
+
+
+/* Read the IFI file IFI_FILENAME. Return the total number of characters
+   read in TOTAL_COUNT.  */
+extern image_char_list_type read_ifi_file (unsigned *total_count);
+
+/* Return false if the box BOX_COUNT boxes beyond FIRST_CHAR in LIST
+   is in the middle of a character, true otherwise.  */
+extern boolean box_at_char_boundary_p
+  (image_char_list_type list, unsigned first_char, unsigned box_count);
+
+#endif /* not IFI_H */