--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kpathsea/tex-glyph.h	Fri May 23 03:02:36 1997 +0000
@@ -0,0 +1,78 @@
+/* tex-glyph.h: look for a TeX glyph font (GF or PK).
+
+Copyright (C) 1993 Karl Berry.
+
+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 KPATHSEA_TEX_GLYPH_H
+#define KPATHSEA_TEX_GLYPH_H
+
+#include <kpathsea/tex-file.h>
+
+
+/* This type describes the origination of a glyph font.  */
+
+typedef enum
+{
+  kpse_glyph_source_normal,  /* the searched-for font: already existed */
+  kpse_glyph_source_alias,   /* : was an alias for an existing file */
+  kpse_glyph_source_maketex, /* : was created on the fly */
+  kpse_glyph_source_fallback /* : wasn't found, but the fallback font was */
+} kpse_glyph_source_type;
+
+
+typedef struct
+{
+  string name;			/* font name found */
+  unsigned dpi;			/* size found, for glyphs */
+  kpse_file_format_type format;	/* glyph format found */
+  kpse_glyph_source_type source;	/* where we found it */
+} kpse_glyph_file_type;		
+
+#define KPSE_GLYPH_FILE_NAME(f) ((f).name)
+#define KPSE_GLYPH_FILE_DPI(f) ((f).dpi)
+#define KPSE_GLYPH_FILE_FORMAT(f) ((f).format)
+#define KPSE_GLYPH_FILE_SOURCE(f) ((f).source)
+
+
+/* Search first for the font named FONT_NAME at resolution DPI in the
+   glyph format FORMAT (see `try_size' for details of format searching).
+   Then try resolutions within KPSE_BITMAP_TOLERANCE of DPI.  Then try
+   the resolutions in `kpse_fallback_sizes', then within the tolerance
+   of each of those.  Then if FONT_NAME is an alias defined in a
+   texfonts.map do all the above for its real name.  Then try the above
+   for kpse_fallback_name.  Then fail.  Return either the filename
+   found, or NULL.  Also return information about the file found in
+   *GLYPH_FILE.  */
+extern string kpse_find_glyph P4H(const_string font_name, unsigned dpi, 
+                                  kpse_file_format_type format,
+                                  kpse_glyph_file_type *glyph_file);
+
+/* Look for a specific format only.  */
+#define kpse_find_pk(font_name, dpi, glyph_file) \
+  kpse_find_glyph (font_name, dpi, kpse_pk_format, glyph_file)
+#define kpse_find_gf(font_name, dpi, glyph_file) \
+  kpse_find_glyph (font_name, dpi, kpse_gf_format, glyph_file)
+
+
+/* Defines how far away a pixel file can be found from its stated size.
+   The DVI standard says any resolution within 0.2% of the stated size
+   is ok, but we are more forgiving.  */
+#define KPSE_BITMAP_TOLERANCE(r) ((r) / 500.0 + 1)
+
+/* Check whether DPI1 is within KPSE_BITMAP_TOLERANCE of DPI2. */
+extern boolean kpse_bitmap_tolerance P2H(double dpi1, double dpi2);
+
+#endif /* not KPATHSEA_TEX_GLYPH_H */