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author | Karl Berry <karl@freefriends.org> | 2021-02-25 19:22:25 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2021-02-25 19:22:25 +0000 |
commit | ad547a6b5986815fda458221149728d9d9ab1d87 (patch) | |
tree | 16296910eb3eca724371474ea9aea3994dc69614 /Build/source/texk/web2c/luatexdir/font/writettf.h | |
parent | 947b43de3dd21d58ccc2ffadefc4441ea1c2a813 (diff) |
restore Build,TODO from r57911
git-svn-id: svn://tug.org/texlive/trunk@57915 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/luatexdir/font/writettf.h')
-rw-r--r-- | Build/source/texk/web2c/luatexdir/font/writettf.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/luatexdir/font/writettf.h b/Build/source/texk/web2c/luatexdir/font/writettf.h new file mode 100644 index 00000000000..482c1d192dc --- /dev/null +++ b/Build/source/texk/web2c/luatexdir/font/writettf.h @@ -0,0 +1,176 @@ +/* writettf.h + + Copyright 1996-2006 Han The Thanh <thanh@pdftex.org> + Copyright 2006-2008 Taco Hoekwater <taco@luatex.org> + + This file is part of LuaTeX. + + LuaTeX 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 of the License, or (at your + option) any later version. + + LuaTeX 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 Lesser General Public + License for more details. + + You should have received a copy of the GNU General Public License along + with LuaTeX; if not, see <http://www.gnu.org/licenses/>. */ + + +#ifndef WRITETTF_H +# define WRITETTF_H 1 +typedef signed char TTF_CHAR; +typedef unsigned char TTF_BYTE; +typedef signed short TTF_SHORT; +typedef unsigned short TTF_USHORT; +typedef signed long TTF_LONG; +typedef unsigned long TTF_ULONG; +typedef unsigned long TTF_FIXED; +typedef unsigned short TTF_FUNIT; +typedef signed short TTF_FWORD; +typedef unsigned short TTF_UFWORD; +typedef unsigned short TTF_F2DOT14; + +# define TTF_CHAR_SIZE 1 +# define TTF_BYTE_SIZE 1 +# define TTF_SHORT_SIZE 2 +# define TTF_USHORT_SIZE 2 +# define TTF_LONG_SIZE 4 +# define TTF_ULONG_SIZE 4 +# define TTF_FIXED_SIZE 4 +# define TTF_FWORD_SIZE 2 +# define TTF_UFWORD_SIZE 2 +# define TTF_F2DOT14_SIZE 2 + +/* + * TrueType outline data. + */ +# define ARG_1_AND_2_ARE_WORDS (1<<0) +# define ARGS_ARE_XY_VALUES (1<<1) +# define ROUND_XY_TO_GRID (1<<2) +# define WE_HAVE_A_SCALE (1<<3) +# define RESERVED (1<<4) +# define MORE_COMPONENTS (1<<5) +# define WE_HAVE_AN_X_AND_Y_SCALE (1<<6) +# define WE_HAVE_A_TWO_BY_TWO (1<<7) +# define WE_HAVE_INSTRUCTIONS (1<<8) +# define USE_MY_METRICS (1<<9) + +# define get_type(t) ((t)ttf_getnum(t##_SIZE)) +# define ttf_skip(n) ttf_getnum(n) + +# define get_byte() get_type(TTF_BYTE) +# define get_char() get_type(TTF_CHAR) +# define get_ushort() get_type(TTF_USHORT) +# define get_short() get_type(TTF_SHORT) +# define get_ulong() get_type(TTF_ULONG) +# define get_long() get_type(TTF_LONG) +# define get_fixed() get_type(TTF_FIXED) +# define get_funit() get_type(TTF_FUNIT) +# define get_fword() get_type(TTF_FWORD) +# define get_ufword() get_type(TTF_UFWORD) +# define get_f2dot14() get_type(TTF_F2DOT14) + +# define put_num(t,n) ((t)ttf_putnum(pdf,t##_SIZE, n)) + +# define put_char(n) (void)put_num(TTF_CHAR, n) +# define put_byte(n) (void)put_num(TTF_BYTE, n) +# define put_short(n) put_num(TTF_SHORT, n) +# define put_ushort(n) put_num(TTF_USHORT, n) +# define put_long(n) put_num(TTF_LONG, n) +# define put_ulong(n) (void)put_num(TTF_ULONG, n) +# define put_fixed(n) (void)put_num(TTF_FIXED, n) +# define put_funit(n) put_num(TTF_FUNIT, n) +# define put_fword(n) put_num(TTF_FWORD, n) +# define put_ufword(n) (void)put_num(TTF_UFWORD, n) +# define put_f2dot14(n) put_num(TTF_F2DOT14, n) + +# define copy_byte() put_byte(get_byte()) +# define copy_char() put_char(get_char()) +# define copy_ushort() put_ushort(get_ushort()) +# define copy_short() put_short(get_short()) +# define copy_ulong() put_ulong(get_ulong()) +# define copy_long() put_long(get_long()) +# define copy_fixed() put_fixed(get_fixed()) +# define copy_funit() put_funit(get_funit()) +# define copy_fword() put_fword(get_fword()) +# define copy_ufword() put_ufword(get_ufword()) +# define copy_f2dot14() put_f2dot14(get_f2dot14()) + +# define is_unicode_mapping(e) \ + (e->platform_id == 0 || (e->platform_id == 3 || e->encoding_id == 1)) + + +# define NMACGLYPHS 258 +# define TABDIR_OFF 12 +# define ENC_BUF_SIZE 1024 + +# define GLYPH_PREFIX_INDEX "index" +# define GLYPH_PREFIX_UNICODE "uni" + +typedef struct { + char tag[4]; + TTF_ULONG checksum; + TTF_ULONG offset; + TTF_ULONG length; +} dirtab_entry; + +typedef struct { + TTF_USHORT platform_id; + TTF_USHORT encoding_id; + TTF_ULONG offset; + TTF_USHORT format; +} cmap_entry; + +typedef struct { + TTF_USHORT endCode; + TTF_USHORT startCode; + TTF_USHORT idDelta; + TTF_USHORT idRangeOffset; +} seg_entry; + +typedef struct { + TTF_LONG offset; + TTF_LONG newoffset; + TTF_UFWORD advWidth; + TTF_FWORD lsb; + const char *name; /* name of glyph */ + TTF_SHORT newindex; /* new index of glyph in output file */ + TTF_USHORT name_index; /* index of name as read from font file */ +} glyph_entry; + +/* some functions and variables are used by writetype0.c */ + +extern fd_entry *fd_cur; /* pointer to the current font descriptor */ +extern unsigned char *ttf_buffer; +extern int ttf_size; +extern int ttf_curbyte; +extern glyph_entry *glyph_tab; +extern dirtab_entry *dir_tab; +extern dirtab_entry *ttf_name_lookup(const char *s, boolean required); +extern dirtab_entry *ttf_seek_tab(const char *name, TTF_LONG offset); + +extern void otc_read_tabdir(int index); +extern void ttf_read_tabdir(void); +extern void ttf_read_head(void); +extern void ttf_read_hhea(void); +extern void ttf_read_pclt(void); +extern void ttf_read_post(void); + +extern FILE *ttf_file; + +# define ttf_open(a) \ + (ttf_file = fopen((char *) (a), FOPEN_RBIN_MODE)) +# define otf_open(a) \ + (ttf_file = fopen((char *) (a), FOPEN_RBIN_MODE)) +# define ttf_read_file() \ + readbinfile(ttf_file,&ttf_buffer,&ttf_size) +# define ttf_close() xfclose(ttf_file,cur_file_name) +# define ttf_getchar() ttf_buffer[ttf_curbyte++] +# define ttf_eof() (ttf_curbyte>ttf_size) + +extern long ttf_putnum(PDF pdf, int s, long n); +extern long ttf_getnum(int s); +#endif |