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authorKarl Berry <karl@freefriends.org>2021-02-25 19:22:25 +0000
committerKarl Berry <karl@freefriends.org>2021-02-25 19:22:25 +0000
commitad547a6b5986815fda458221149728d9d9ab1d87 (patch)
tree16296910eb3eca724371474ea9aea3994dc69614 /Build/source/texk/web2c/luatexdir/font/writettf.h
parent947b43de3dd21d58ccc2ffadefc4441ea1c2a813 (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')
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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
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+++ b/Build/source/texk/web2c/luatexdir/font/writettf.h
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+/* 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