/* Copyright (c) 1996-2006 Han The Thanh, 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 General Public License for more details. You should have received a copy of the GNU General Public License along with luatex; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA $Id: ptexlib.h 7124 2008-03-24 15:47:15Z martin $ */ #ifndef LUATEXLIB # define LUATEXLIB /* WEB2C macros and prototypes */ # if !defined(LUATEXCOERCE) # ifdef luatex # undef luatex /* to avoid warning about redefining luatex in luatexd.h */ # endif /* luatex */ # define EXTERN extern # include "luatexd.h" # endif /* pdftexlib macros */ # include "ptexmac.h" # include "avlstuff.h" # include "image/image.h" # include "openbsd-compat.h" /* pdftexlib type declarations */ typedef struct { const char *pdfname; const char *t1name; boolean valid; } key_entry; struct _subfont_entry; typedef struct _subfont_entry subfont_entry; struct _subfont_entry { char *infix; /* infix for this subfont, eg "01" */ long charcodes[256]; /* the mapping for this subfont as read from sfd */ subfont_entry *next; }; typedef struct { char *name; /* sfd name, eg "Unicode" */ subfont_entry *subfont; /* linked list of subfonts */ } sfd_entry; typedef struct { integer fe_objnum; /* object number */ char *name; /* encoding file name */ char **glyph_names; /* array of glyph names */ struct avl_table *tx_tree; /* tree of encoding positions marked as used by TeX */ } fe_entry; typedef struct { char *name; /* glyph name */ long code; /* -1 = undefined; -2 = multiple codes, stored as string in unicode_seq; otherwise unicode value */ char *unicode_seq; /* multiple unicode sequence */ } glyph_unicode_entry; typedef struct { /* parameters scanned from the map file: */ char *tfm_name; /* TFM file name (1st field in map line) */ char *sfd_name; /* subfont directory name, like @sfd_name@ */ char *ps_name; /* PostScript name (optional 2nd field in map line) */ integer fd_flags; /* font descriptor /Flags (PDF Ref. section 5.7.1) */ integer slant; /* SlantFont */ integer extend; /* ExtendFont */ char *encname; /* encoding file name */ char *ff_name; /* font file name */ unsigned short type; /* various flags */ short pid; /* Pid for truetype fonts */ short eid; /* Eid for truetype fonts */ /* parameters NOT scanned from the map file: */ subfont_entry *subfont; /* subfont mapping */ unsigned short links; /* link flags from tfm_tree and ps_tree */ boolean in_use; /* true if this structure has been referenced already */ } fm_entry; typedef struct glw_entry_ { /* subset glyphs for inclusion in CID-based fonts */ unsigned short id; /* glyph CID */ unsigned short wd; /* glyph width in 1/1000 em parts */ } glw_entry; /**********************************************************************/ typedef struct { int val; /* value */ boolean set; /* true if parameter has been set */ } intparm; typedef struct fd_entry_ { integer fd_objnum; /* object number of the font descriptor object */ char *fontname; /* /FontName (without subset tag) */ char *subset_tag; /* 6-character subset tag */ boolean ff_found; integer ff_objnum; /* object number of the font program stream */ integer fn_objnum; /* font name object number (embedded PDF) */ boolean all_glyphs; /* embed all glyphs? */ boolean write_ttf_glyph_names; intparm font_dim[FONT_KEYS_NUM]; fe_entry *fe; /* pointer to encoding structure */ char **builtin_glyph_names; /* builtin encoding as read from the Type1 font file */ fm_entry *fm; /* pointer to font map structure */ struct avl_table *tx_tree; /* tree of non-reencoded TeX characters marked as used */ struct avl_table *gl_tree; /* tree of all marked glyphs */ } fd_entry; typedef struct fo_entry_ { integer fo_objnum; /* object number of the font dictionary */ internalfontnumber tex_font; /* needed only for \pdffontattr{} */ fm_entry *fm; /* pointer to font map structure for this font dictionary */ fd_entry *fd; /* pointer to /FontDescriptor object structure */ fe_entry *fe; /* pointer to encoding structure */ integer cw_objnum; /* object number of the font program object */ integer first_char; /* first character used in this font */ integer last_char; /* last character used in this font */ struct avl_table *tx_tree; /* tree of non-reencoded TeX characters marked as used */ integer tounicode_objnum; /* object number of ToUnicode */ } fo_entry; /**********************************************************************/ typedef struct { char *ff_name; /* base name of font file */ char *ff_path; /* full path to font file */ } ff_entry; typedef short shalfword; typedef struct { integer charcode, cwidth, cheight, xoff, yoff, xescape, rastersize; halfword *raster; } chardesc; /* pdftexlib variable declarations */ extern boolean true_dimen; extern char **t1_glyph_names, *t1_builtin_glyph_names[]; extern char *cur_file_name; extern const char notdef[]; extern integer t1_length1, t1_length2, t1_length3; extern integer ttf_length; extern strnumber last_tex_string; extern size_t last_ptr_index; /* loadpool.c */ int loadpoolstrings(integer spare_size); /* pdftexlib function prototypes */ /* epdf.c */ extern integer get_fontfile_num(int); extern integer get_fontname_num(int); extern void epdf_free(void); /* mapfile.c */ extern fm_entry *lookup_fontmap(char *); extern boolean hasfmentry(internalfontnumber); extern void fm_free(void); extern void fm_read_info(void); extern ff_entry *check_ff_exist(char *, boolean); extern void pdfmapfile(integer); extern void pdfmapline(integer); extern void pdf_init_map_file(string map_name); extern fm_entry *new_fm_entry(void); extern void delete_fm_entry(fm_entry *); extern int avl_do_entry(fm_entry *, int); /* papersiz.c */ extern integer myatodim(char **); extern integer myatol(char **); /* pkin.c */ extern int readchar(boolean, chardesc *); /* subfont.c */ extern void sfd_free(void); extern boolean handle_subfont_fm(fm_entry *, int); /* tounicode.c */ extern void glyph_unicode_free(void); extern void def_tounicode(strnumber, strnumber); extern integer write_tounicode(char **, char *); /* utils.c */ extern boolean str_eq_cstr(strnumber, char *); extern char *makecstring(integer); extern char *makeclstring(integer, int *); extern void print_string(char *j); extern void append_string(char *s); extern void getcreationdate(void); extern void tconfusion(char *s); extern void tprint(char *s); extern void tprint_nl(char *s); extern void tprint_esc(char *s); # define overflow_string(a,b) { overflow(maketexstring(a),b); flush_str(last_tex_string); } extern int xfflush(FILE *); extern int xgetc(FILE *); extern int xputc(int, FILE *); extern scaled ext_xn_over_d(scaled, scaled, scaled); extern size_t xfwrite(void *, size_t size, size_t nmemb, FILE *); extern strnumber get_resname_prefix(void); extern strnumber maketexstring(const char *); extern strnumber maketexlstring(const char *, size_t); extern integer fb_offset(void); extern void fb_flush(void); extern void fb_putchar(eight_bits b); extern void fb_seek(integer); extern void libpdffinish(void); extern char *makecfilename(strnumber s); extern void make_subset_tag(fd_entry *); __attribute__ ((format(printf, 1, 2))) extern void pdf_printf(const char *, ...); extern void pdf_puts(const char *); __attribute__ ((noreturn, format(printf, 1, 2))) extern void pdftex_fail(const char *, ...); __attribute__ ((format(printf, 1, 2))) extern void pdftex_warn(const char *, ...); extern void set_job_id(int, int, int, int); __attribute__ ((format(printf, 1, 2))) extern void tex_printf(const char *, ...); extern void write_stream_length(integer, integer); extern char *convertStringToPDFString(const char *in, int len); extern void print_ID(strnumber); extern void print_creation_date(); extern void print_mod_date(); extern void escapename(poolpointer in); extern void escapestring(poolpointer in); extern void escapehex(poolpointer in); extern void unescapehex(poolpointer in); extern void make_pdftex_banner(void); extern void init_start_time(); extern void remove_pdffile(void); extern void garbage_warning(void); extern void initversionstring(char **versions); extern int newcolorstack(integer s, integer literal_mode, boolean pagestart); extern int colorstackused(); extern integer colorstackset(int colstack_no, integer s); extern integer colorstackpush(int colstack_no, integer s); extern integer colorstackpop(int colstack_no); extern integer colorstackcurrent(int colstack_no); extern integer colorstackskippagestart(int colstack_no); extern void checkpdfsave(int cur_h, int cur_v); extern void checkpdfrestore(int cur_h, int cur_v); extern void pdfshipoutbegin(boolean shipping_page); extern void pdfshipoutend(boolean shipping_page); extern void pdfsetmatrix(poolpointer in, scaled cur_h, scaled cur_v); extern void matrixtransformpoint(scaled x, scaled y); extern void matrixtransformrect(scaled llx, scaled lly, scaled urx, scaled ury); extern boolean matrixused(); extern void matrixrecalculate(scaled urx); extern scaled getllx(); extern scaled getlly(); extern scaled geturx(); extern scaled getury(); /* writeenc.c */ extern fe_entry *get_fe_entry(char *); extern void enc_free(void); extern void write_fontencodings(void); /* writefont.c */ extern void do_pdf_font(integer, internalfontnumber); extern fd_entry *lookup_fd_entry(char *, integer, integer); extern fd_entry *new_fd_entry(void); extern void write_fontstuff(); /* writeimg.c */ extern boolean check_image_b(integer); extern boolean check_image_c(integer); extern boolean check_image_i(integer); extern boolean is_pdf_image(integer); extern integer epdforigx(integer); extern integer epdforigy(integer); extern integer image_pages(integer); extern integer image_index(integer); extern integer image_width(integer); extern integer image_height(integer); extern integer image_depth(integer); extern integer image_objnum(integer); extern integer image_imgnum(integer); extern integer new_image_entry(void); extern integer read_image(integer, integer, strnumber, integer, strnumber, strnumber, integer, integer, integer, integer); extern void img_free(void); extern void update_image_procset(integer); extern void write_image(integer); extern integer image_colordepth(integer img); extern void scale_image(integer); extern void set_image_dimensions(integer, integer, integer, integer); extern void set_image_index(integer, integer); extern void out_image(integer, scaled, scaled); /* writejbig2.c */ extern void flush_jbig2_page0_objects(); /* writet1.c */ extern boolean t1_subset(char *, char *, unsigned char *); extern char **load_enc_file(char *); extern void writet1(fd_entry *); extern void t1_free(void); /* writet3.c */ extern void writet3(int, internalfontnumber); extern scaled get_pk_char_width(internalfontnumber, scaled); /* writettf.c */ extern void writettf(fd_entry *); extern void writeotf(fd_entry *); extern void ttf_free(void); /* writezip.c */ extern void write_zip(boolean); extern void zip_free(void); /* avlstuff.c */ extern int comp_int_entry(const void *, const void *, void *); extern int comp_string_entry(const void *, const void *, void *); extern void avl_put_obj(integer, integer); extern integer avl_find_obj(integer, integer, integer); /**********************************************************************/ static const key_entry font_key[FONT_KEYS_NUM] = { {"Ascent", "Ascender", 1} , {"CapHeight", "CapHeight", 1} , {"Descent", "Descender", 1} , {"ItalicAngle", "ItalicAngle", 1} , {"StemV", "StdVW", 1} , {"XHeight", "XHeight", 1} , {"FontBBox", "FontBBox", 1} , {"", "", 0} , {"", "", 0} , {"", "", 0} , {"FontName", "FontName", 1} }; /**********************************************************************/ typedef enum { no_print = 16, term_only = 17, log_only = 18, term_and_log = 19, pseudo = 20, new_string = 21 } selector_settings; # include "font/texfont.h" /* language stuff */ typedef struct _lang_variables { int pre_hyphen_char; int post_hyphen_char; } lang_variables; # include "hyphen.h" struct tex_language { HyphenDict *patterns; int exceptions; /* lua registry pointer, should be replaced */ int id; int pre_hyphen_char; int post_hyphen_char; }; # define MAX_WORD_LEN 256 /* in chars */ extern struct tex_language *new_language(void); extern struct tex_language *get_language(int n); extern void load_patterns(struct tex_language *lang, unsigned char *buf); extern void load_hyphenation(struct tex_language *lang, unsigned char *buf); extern int hyphenate_string(struct tex_language *lang, char *w, char **ret); extern void new_hyphenation(halfword h, halfword t); extern void clear_patterns(struct tex_language *lang); extern void clear_hyphenation(struct tex_language *lang); extern char *clean_hyphenation(char *buffer, char **cleaned); extern void hnj_hyphenation(halfword head, halfword tail); extern void set_pre_hyphen_char(integer lan, integer val); extern void set_post_hyphen_char(integer lan, integer val); extern integer get_pre_hyphen_char(integer lan); extern integer get_post_hyphen_char(integer lan); extern halfword new_ligkern(halfword head, halfword tail); extern halfword handle_ligaturing(halfword head, halfword tail); extern halfword handle_kerning(halfword head, halfword tail); # define push_dir(a) \ { dir_tmp=new_dir((a)); \ vlink(dir_tmp)=dir_ptr; dir_ptr=dir_tmp; \ dir_ptr=dir_tmp; \ } # define push_dir_node(a) \ { dir_tmp=new_node(whatsit_node,dir_node); \ dir_dir(dir_tmp)=dir_dir((a)); \ dir_level(dir_tmp)=dir_level((a)); \ dir_dvi_h(dir_tmp)=dir_dvi_h((a)); \ dir_dvi_ptr(dir_tmp)=dir_dvi_ptr((a)); \ vlink(dir_tmp)=dir_ptr; dir_ptr=dir_tmp; \ } # define pop_dir_node() \ { dir_tmp=dir_ptr; \ dir_ptr=vlink(dir_tmp); \ flush_node(dir_tmp); \ } # define dir_parallel(a,b) (((a) % 2)==((b) % 2)) # define dir_orthogonal(a,b) (((a) % 2)!=((b) % 2)) # define is_rotated(a) dir_parallel(dir_secondary[(a)],dir_tertiary[(a)]) void initialize_active(void); halfword find_protchar_left(halfword l, boolean d); halfword find_protchar_right(halfword l, halfword r); void ext_do_line_break(boolean d, int pretolerance, int tracing_paragraphs, int tolerance, scaled emergency_stretch, int looseness, int hyphen_penalty, int ex_hyphen_penalty, int pdf_adjust_spacing, halfword par_shape_ptr, int adj_demerits, int pdf_protrude_chars, int line_penalty, int last_line_fit, int double_hyphen_demerits, int final_hyphen_demerits, int hang_indent, int hsize, int hang_after, halfword left_skip, halfword right_skip, int pdf_each_line_height, int pdf_each_line_depth, int pdf_first_line_height, int pdf_last_line_depth, halfword inter_line_penalties_ptr, int inter_line_penalty, int club_penalty, halfword club_penalties_ptr, halfword display_widow_penalties_ptr, halfword widow_penalties_ptr, int display_widow_penalty, int widow_penalty, int broken_penalty, halfword final_par_glue); void ext_post_line_break(boolean d, int right_skip, int left_skip, int pdf_protrude_chars, halfword par_shape_ptr, int pdf_adjust_spacing, int pdf_each_line_height, int pdf_each_line_depth, int pdf_first_line_height, int pdf_last_line_depth, halfword inter_line_penalties_ptr, int inter_line_penalty, int club_penalty, halfword club_penalties_ptr, halfword display_widow_penalties_ptr, halfword widow_penalties_ptr, int display_widow_penalty, int widow_penalty, int broken_penalty, halfword final_par_glue, halfword best_bet, halfword last_special_line, scaled second_width, scaled second_indent, scaled first_width, scaled first_indent, halfword best_line); halfword lua_hpack_filter(halfword head_node, scaled size, int pack_type, int extrainfo); void lua_node_filter(int filterid, int extrainfo, halfword head_node, halfword * tail_node); halfword lua_vpack_filter(halfword head_node, scaled size, int pack_type, scaled maxd, int extrainfo); void lua_node_filter_s(int filterid, char *extrainfo, halfword head_node, halfword * tail_node); void load_tex_patterns(int curlang, halfword head); void load_tex_hyphenation(int curlang, halfword head); /* textcodes.c */ void set_lc_code(integer n, halfword v, quarterword gl); halfword get_lc_code(integer n); void set_uc_code(integer n, halfword v, quarterword gl); halfword get_uc_code(integer n); void set_sf_code(integer n, halfword v, quarterword gl); halfword get_sf_code(integer n); void set_cat_code(integer h, integer n, halfword v, quarterword gl); halfword get_cat_code(integer h, integer n); void unsave_cat_codes(integer h, quarterword gl); int valid_catcode_table(int h); void unsave_text_codes(quarterword grouplevel); void initialize_text_codes(void); void dump_text_codes(void); void undump_text_codes(void); /* mathcodes.c */ void set_math_code(integer n, halfword v, quarterword gl); halfword get_math_code(integer n); void set_del_code(integer n, halfword v, halfword w, quarterword gl); halfword get_del_code_a(integer n); halfword get_del_code_b(integer n); void unsave_math_codes(quarterword grouplevel); void initialize_math_codes(void); void dump_math_codes(void); void undump_math_codes(void); /* texlang.c */ void dump_language_data(void); void undump_language_data(void); char *exception_strings(struct tex_language *lang); /* llualib.c */ void dump_luac_registers(void); void undump_luac_registers(void); /* ltexlib.c */ void luacstring_start(int n); void luacstring_close(int n); int luacstring_detokenized(void); int luacstring_defaultcattable(void); integer luacstring_cattable(void); int luacstring_simple(void); int luacstring_penultimate(void); int luacstring_input(void); /* luatoken.c */ void do_get_token_lua(integer callback_id); /* luanode.c */ int visible_last_node_type(int n); void print_node_mem_stats(int n, int o); /* writeimg.c */ integer epdf_orig_y(integer i); integer epdf_orig_x(integer i); /* limglib.c */ void lua_setximage(integer i); /* vfovf.c */ void vf_expand_local_fonts(internal_font_number f); internal_font_number letter_space_font(halfword u, internal_font_number f, integer e); internal_font_number auto_expand_font(internal_font_number f, integer e); str_number expand_font_name(internal_font_number f, integer e); void pdf_check_vf_cur_val(void); /* ltexiolib.c */ void flush_loggable_info(void); /* luastuff.c */ void closelua(int n); void luacall(int n, int s); void luatokencall(int n, int p); void tex_error(char *msg, char **hlp); scaled divide_scaled(scaled s, scaled m, integer dd); scaled divide_scaled_n(double s, double m, double d); /* texpdf.c */ void pdf_print_char(internal_font_number f, integer c); void pdf_print(str_number n); void pdf_print_str(str_number n); void pdf_print_int(integer n); /* textoken.c */ void get_next(void); void get_token_lua(void); #endif /* PDFTEXLIB */