/* pdfgen.h Copyright 2009-2010 Taco Hoekwater 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 . */ /* $Id: pdfgen.h 3940 2010-11-01 22:46:24Z hhenkel $ */ #ifndef PDFGEN_H # define PDFGEN_H # define PROCSET_PDF (1 << 0) # define PROCSET_TEXT (1 << 1) # define PROCSET_IMAGE_B (1 << 2) # define PROCSET_IMAGE_C (1 << 3) # define PROCSET_IMAGE_I (1 << 4) # define inf_pdf_mem_size 10000 /* min size of the |mem| array */ # define sup_pdf_mem_size 10000000 /* max size of the |mem| array */ extern PDF static_pdf; extern int pdf_get_mem(PDF pdf, int s); /* We use the similiar subroutines to handle the output buffer for PDF output. When compress is used, the state of writing to buffer is held in |zip_write_state|. We must write the header of PDF output file in initialization to ensure that it will be the first written bytes. */ # define inf_pdf_op_buf_size 16384 /* size of the PDF output buffer */ # define sup_pdf_op_buf_size 16384 /* size of the PDF output buffer */ # define inf_pdf_os_buf_size 1 /* initial value of |pdf_os_buf_size| */ # define sup_pdf_os_buf_size 5000000 /* arbitrary upper hard limit of |pdf_os_buf_size| */ # define max_single_pdf_print 8192 /* Max size that can be get from pdf_room() at once. the value is on the conservative side, but should be large enough to cover most uses */ # define pdf_os_max_objs 100 /* maximum number of objects in object stream */ # define inf_obj_tab_size 1000 /* min size of the cross-reference table for PDF output */ # define sup_obj_tab_size 8388607 /* max size of the cross-reference table for PDF output */ /* The following macros are similar as for \.{DVI} buffer handling */ # define pdf_offset(pdf) (pdf->gone + pdf->ptr) /* the file offset of last byte in PDF buffer that |pdf_ptr| points to */ # define pdf_save_offset(pdf) pdf->save_offset=(pdf->gone + pdf->ptr) # define pdf_saved_offset(pdf) pdf->save_offset # define set_ff(A) do { \ if (pdf_font_num(A) < 0) \ ff = -pdf_font_num(A); \ else \ ff = A; \ } while (0) typedef enum { no_zip = 0, /* no \.{ZIP} compression */ zip_writing = 1, /* \.{ZIP} compression being used */ zip_finish = 2 /* finish \.{ZIP} compression */ } zip_write_states; typedef enum { NOT_SHIPPING, SHIPPING_PAGE, SHIPPING_FORM } shipping_mode_e; extern int pdf_output_option; extern int pdf_output_value; extern int pdf_draftmode_option; extern int pdf_draftmode_value; extern scaled one_hundred_inch; extern scaled one_inch; extern scaled one_true_inch; extern scaled one_hundred_bp; extern scaled one_bp; extern int ten_pow[10]; extern void pdf_flush(PDF); extern void pdf_room(PDF, int); extern void fix_pdf_minorversion(PDF); /* output a byte to PDF buffer without checking of overflow */ # define pdf_quick_out(pdf,A) pdf->buf[pdf->ptr++]=(unsigned char)A /* do the same as |pdf_quick_out| and flush the PDF buffer if necessary */ # define pdf_out(pdf,A) do { pdf_room(pdf,1); pdf_quick_out(pdf,A); } while (0) # if 0 /* see function pdf_out_block() */ # define pdf_out_block_macro(pdf,A,n) do { \ pdf_room(pdf,(int)(n)); \ (void)memcpy((pdf->buf+pdf->ptr),(A),(size_t)(n)); \ pdf->ptr+=(int)(n); \ } while (0) # endif /* Basic printing procedures for PDF output are very similiar to \TeX\ basic printing ones but the output is going to PDF buffer. Subroutines with suffix |_ln| append a new-line character to the PDF output. */ # define pdf_newline_char 10 /* new-line character '\n' for UNIX platforms */ /* output a new-line character to PDF buffer */ # define pdf_print_nl(pdf) pdf_out(pdf,pdf_newline_char) /* print out a string to PDF buffer followed by a new-line character */ # define pdf_print_ln(pdf,A) do { \ pdf_print(pdf,A); \ pdf_print_nl(pdf); \ } while (0) /* print out an integer to PDF buffer followed by a new-line character */ # define pdf_print_int_ln(pdf,A) do { \ pdf_print_int(pdf,A); \ pdf_print_nl(pdf); \ } while (0) extern __attribute__ ((format(printf, 2, 3))) void pdf_printf(PDF, const char *, ...); extern void pdf_print_char(PDF, int); extern void pdf_print_wide_char(PDF, int); extern void pdf_print(PDF, str_number); extern void pdf_print_int(PDF, longinteger); extern void pdf_print_real(PDF, int, int); extern void pdf_print_str(PDF, const char *); extern void pdf_begin_stream(PDF); extern void pdf_end_stream(PDF); extern void pdf_remove_last_space(PDF); extern void pdf_print_bp(PDF, scaled); extern void pdf_print_mag_bp(PDF, scaled); /* This is for the resource lists */ extern void addto_page_resources(PDF pdf, pdf_obj_type t, int k); extern pdf_object_list *get_page_resources_list(PDF pdf, pdf_obj_type t); extern void pdf_out_block(PDF pdf, const char *s, size_t n); # define pdf_puts(pdf, s) pdf_out_block((pdf), (s), strlen(s)) # define pdf_print_resname_prefix(pdf) do { \ if (pdf->resname_prefix != NULL) \ pdf_puts(pdf, pdf->resname_prefix); \ } while (0) extern void pdf_int_entry(PDF, const char *, int); extern void pdf_int_entry_ln(PDF, const char *, int); extern void pdf_indirect(PDF, const char *, int); extern void pdf_indirect_ln(PDF, const char *, int); extern void pdf_print_str_ln(PDF, const char *); extern void pdf_str_entry(PDF, const char *, const char *); extern void pdf_str_entry_ln(PDF, const char *, const char *); extern void pdf_print_toks(PDF, halfword); extern void pdf_print_toks_ln(PDF, halfword); extern void pdf_print_rect_spec(PDF, halfword); extern void pdf_rectangle(PDF, halfword); extern void pdf_begin_obj(PDF, int, int); extern int pdf_new_obj(PDF, int, int, int); extern void pdf_end_obj(PDF); extern void pdf_begin_dict(PDF, int, int); extern int pdf_new_dict(PDF, int, int, int); extern void pdf_end_dict(PDF); extern void remove_pdffile(PDF); extern int fb_offset(PDF); extern void fb_flush(PDF); extern void fb_putchar(PDF, eight_bits); extern void fb_seek(PDF, int); extern void fb_free(PDF); extern void zip_free(PDF); /* functions that do not output stuff */ extern scaled round_xn_over_d(scaled x, int n, unsigned int d); extern char *convertStringToPDFString(const char *in, int len); extern void init_start_time(PDF); extern char *getcreationdate(PDF); extern void pdf_error(const char *t, const char *p); extern void pdf_warning(const char *t, const char *p, boolean pr, boolean ap); extern void check_o_mode(PDF pdf, const char *s, int o_mode, boolean errorflag); extern void set_job_id(PDF, int, int, int, int); extern char *get_resname_prefix(PDF); extern void pdf_begin_page(PDF pdf); extern void pdf_end_page(PDF pdf); extern void print_pdf_table_string(PDF pdf, const char *s); extern void fix_o_mode(PDF pdf); extern void ensure_output_state(PDF pdf, output_state s); extern PDF init_pdf_struct(PDF pdf); extern halfword pdf_info_toks; /* additional keys of Info dictionary */ extern halfword pdf_catalog_toks; /* additional keys of Catalog dictionary */ extern halfword pdf_catalog_openaction; extern halfword pdf_names_toks; /* additional keys of Names dictionary */ extern halfword pdf_trailer_toks; /* additional keys of Trailer dictionary */ extern void scan_pdfcatalog(PDF pdf); extern void finish_pdf_file(PDF pdf, int luatex_version, str_number luatex_revision); extern shipping_mode_e global_shipping_mode; #endif /* PDFGEN_H */