This file is indexed.

/usr/include/fontforge/PfEd.h is in libfontforge-dev 20120731.b-5.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
/* Copyright (C) 2008-2012 by George Williams */
/*
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.

 * The name of the author may not be used to endorse or promote products
 * derived from this software without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _PFED_H
# define _PFED_H
/* The PfEd table (from PfaEdit, former name of FontForge) is designed to   */
/*  store information useful for editing the font. This includes stuff like */
/*  guidelines, background layers, spiro layers, comments, lookup names, etc*/
/* The idea is that much useful information can be retrieved even after the */
/*  font has been generated into its final form: ttf/otf                    */
/* It is something of a catch all table composed of many subtables, each of */
/*  which preserves one particular item. I expect more subtables will be    */
/*  added as I, or others, think of more things worth preserving.           */


# ifndef CHR
#  define CHR(ch1,ch2,ch3,ch4) (((ch1)<<24)|((ch2)<<16)|((ch3)<<8)|(ch4))
# endif

/* 'PfEd' table format is as follows...				 */
/* uint32  version number 0x00010000				 */
/* uint32  subtable count					 */
/* struct { uint32 tab, offset } tag/offset for first subtable	 */
/* struct { uint32 tab, offset } tag/offset for second subtable	 */
/* ...								 */

/* 'PfEd' 'fcmt' font comment subtable format			 */
/*  short version number 0/1					 */
/*  short string length						 */
/*  version 0=>String in latin1 (should be ASCII), version 1=>utf8*/

 /* 'PfEd' 'cmnt' glyph comment subtable format			 */
 /*  THIS VERSION IS DEPRECATED IN FAVOR OF VERSION 1 DESCRIBED BELOW */
 /*  short  version number 0					 */
 /*  short  count-of-ranges					 */
 /*  struct { short start-glyph, end-glyph, short offset }	 */
 /*  ...							 */
 /*  foreach glyph >=start-glyph, <=end-glyph(+1)		 */
 /*   uint32 offset		to glyph comment string (in UCS2)*/
 /*  ...							 */
 /*  And one last offset pointing beyong the end of the last string to enable length calculations */
 /*  String table in UCS2 (NUL terminated). All offsets from start*/
 /*   of subtable */

/* 'PfEd' 'cmnt' glyph comment subtable format			 */
/*   New version of 'cmnt' which uses utf8 rather than UCS2	 */
/*  short  version number 1					 */
/*  short  count-of-ranges					 */
/*  struct { short start-glyph, end-glyph, short offset }	 */
/*  ...								 */
/*  foreach glyph >=start-glyph, <=end-glyph(+1)		 */
/*   uint32 offset		to glyph comment string (in utf8)*/
/*  ...								 */
/*  And one last offset pointing beyong the end of the last string to enable length calculations */
/*  String table in utf8 (NUL terminated). All offsets from start*/
/*   of subtable */

/* 'PfEd' 'cvt ' cvt comment subtable format			 */
/*  short  version number 0					 */
/*  short  size of cvt comment array (might be less that cvt)	 */
/*  ushort offset[size] to utf8 strings describing cvt entries	 */
/*           (strings are NUL terminated)			 */
/*  String table in utf8 (NUL terminated). All offsets from start*/
/*   of subtable */

/* 'PfEd' 'colr' glyph colour subtable				 */
/*  short  version number 0					 */
/*  short  count-of-ranges					 */
/*  struct { short start-glyph, end-glyph, uint32 colour (rgb) } */

/* 'PfEd' 'GPOS' GPOS lookup/subtable/anchor names		 */
/*  short  version number 0					 */
/*  short  count-of-lookups					 */
/*  struct { short offset name, offset subtables; }		 */
/* A subtable:							 */
/*  short  count-of-subtables					 */
/*  struct { short offset name, offset anchors; }		 */
/* An anchor							 */
/*  short  count-of-anchors					 */
/*  struct { short offset name; }				 */
/*  string data (utf8, nul terminated)                           */
/* (all offsets from start of subtable)				 */

/* 'PfEd' 'GSUB' GSUB lookup/subtable names			 */
/*  Same as GPOS (anchors will always be NULL)			 */

/* The next two tables 'guid' and 'layr' will make use of the    */
/*  following data type. The glyph_layer.			 */
/*  short contour-count						 */
/*  short image-count (always 0 for now)			 */
/*  struct { ushort offset; ushort name-off}[contour-count]	 */
/*  struct { ??? }[image-count]					 */
/* Each contour consists of one byte of command and a random     */
/*  amount of data dependant on the command.			 */
/* See below for a description of the command verbs		 */
/* string data in utf8 */
/*  (offsets relative to start of glyph_layer structure )	 */

/* 'PfEd' 'guid' Horizontal/Vertical guideline data		 */
/*  short  version number 0					 */
/*  short  # vertical guidelines				 */
/*  short  # horizontal guidelines				 */
/*  short  mbz							 */
/*  offset guide spline data -- specifies all guides as splines  */
/*   May be NULL						 */
/*  struct[# vert guidelines] { short x; short offset name}	 */
/*  struct[# h guidelines] { short y; short offset name}	 */
/*  a glyph_layer (includes all guides, even those listed above) */
/* (all offsets, except those in the glyph_layer, relative to start of subtable) */

/* 'PfEd' 'layr' layer data					 */
/*  short  version number 0					 */
/*  short  layer-count						 */
/*  struct { short typeflags; short offset-name; uint32 offset-to-layer-data; } */
/*   the layer type is 2=>quadratic, 3=>PostScript, 1=>spiro	 */
/*                     0x102=>quadratic fore, 0x103=>PS fore	 */
/* A layer:							 */
/*  short  count-of-ranges					 */
/*  struct { short start-glyph, end-glyph, uint32 offset }	 */
/*  ...								 */
/*  foreach glyph >=start-glyph, <=end-glyph			 */
/*   uint32 offset		to per-glyph outline data        */
/*  many glyph_layers						 */
/* (all offsets, except those in the glyph_layers, relative to start of subtable) */

 /* Main table tag */
# define PfEd_TAG	CHR('P','f','E','d')

 /* Subtable tags */
# define fcmt_TAG	CHR('f','c','m','t')		/* Font Comment */
# define flog_TAG	CHR('f','l','o','g')		/* Font Log */
# define cmnt_TAG	CHR('c','m','n','t')		/* Glyph Comments */
# define cvtc_TAG	CHR('c','v','t','c')		/* Comments for each cvt entry */
# define colr_TAG	CHR('c','o','l','r')		/* Glyph color flags */
# ifndef GPOS_TAG
#  define GPOS_TAG	CHR('G','P','O','S')		/* Names for GPOS lookups */
#  define GSUB_TAG	CHR('G','S','U','B')		/* Names for GSUB lookups */
# endif
# define guid_TAG	CHR('g','u','i','d')		/* Guideline data */
# define layr_TAG	CHR('l','a','y','r')		/* Any layers which aren't part of the font */
						/* Backgrounds, spiros, etc. */


/* The layer commands used to draw quadratic and cubic layers have two   */
/*  componants: A verb, which says what to do, and a modifier which says */
/*  how the data are stored. So a command looks like (verb)|(modifier)   */
/* A moveto command with byte data looks like (V_MoveTo|V_B)             */
/*  The two commands to end a contour (V_Close and V_End) take no data   */
/*  and use no modifier							 */

/* layr subtable contour construction verb modifiers specifying data types */
# define	V_B	0			/* data are signed bytes */
# define	V_S	1			/* data are signed shorts */
# define	V_F	2			/* data are fixed longs, divide by 256.0 */

/* layr subtable contour construction verbs */
# define	V_MoveTo	0		/* Start contour, absolute data (2 coords) */
# define	V_LineTo	4		/* Straight line, relative data (2 coords) */
# define	V_HLineTo	8		/* Horizontal line, relative (1 coord, x-off) */
# define	V_VLineTo	12		/* Vertical line, relative (1 coord, y-off) */

# define	V_QCurveTo	16		/* Quadratic spline, rel, rel (4 coords, cp, p) */
# define	V_QImplicit	20		/* Quadratic spline, rel (2 coords, cp) */
	/* May only occur after a V_QCurveTo or V_QImplicit (may not start contour) */
	/* Must be followed by a V_QCurveTo or V_QImplicit (this may end contour) */
	/* The on-curve point is implicit by averaging the given cp with the cp in the next verb */
# define	V_QHImplicit	24		/* Quadratic spline, rel (1 coord, cp.x) */
# define	V_QVImplicit	28		/* Quadratic spline, rel (1 coord, cp.y) */

# define	V_CurveTo	32		/* Cubic spline, rel, rel (6 coords, cp1, cp2, p) */
# define	V_VHCurveTo	36		/* Cubic spline, rel, rel (4 coords, cp1.y cp2.* p.x) */
	/* cp1.x == current.y, p.y == cp2.y */
# define	V_HVCurveTo	40		/* Cubic spline, rel, rel (4 coords, cp1.x cp2.* p.y) */

# define	V_Close		44		/* Close path (optionally adding a line) no data */
# define	V_End		45		/* End path (leave open) no data */

#define COM_MOD(com)	((com)&3)
#define COM_VERB(com)	((com)&~3)

/* the layer commands used to draw spiro layers are the standard spiro verbs */
/*  these will always take fixed long data (V_L) as described above */
# ifndef SPIRO_OPEN_CONTOUR
#  define SPIRO_OPEN_CONTOUR	'{'
#  define SPIRO_CORNER		'v'
#  define SPIRO_G4		'o'
#  define SPIRO_G2		'c'
#  define SPIRO_LEFT		'['
#  define SPIRO_RIGHT		']'
#  define SPIRO_END		'z'
# endif
# define SPIRO_CLOSE_CONTOUR	'}'

#endif	/* _PFED_H */