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Diffstat (limited to 'Build/source/texk/web2c/luatexdir/pdf/pdfthread.h')
-rw-r--r-- | Build/source/texk/web2c/luatexdir/pdf/pdfthread.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/luatexdir/pdf/pdfthread.h b/Build/source/texk/web2c/luatexdir/pdf/pdfthread.h new file mode 100644 index 00000000000..45d50a4551f --- /dev/null +++ b/Build/source/texk/web2c/luatexdir/pdf/pdfthread.h @@ -0,0 +1,71 @@ +/* pdfthread.h + + Copyright 2009 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/>. */ + +/* $Id: pdfthread.h 3261 2009-12-18 11:38:21Z taco $ */ + +#ifndef PDFTHREAD_H +# define PDFTHREADH + +/* data structure of threads; words 1..4 represent the coordinates of the corners */ + +# define obj_thread_first obj_aux /* pointer to the first bead */ + +/* data structure of beads */ +# define pdfmem_bead_size 5 /* size of memory in |pdf->mem| which |obj_bead_ptr| points to */ + +# define set_pdf_thread_attr(A,B) pdf_thread_attr(A)=B +# define set_pdf_thread_id(A,B) pdf_thread_id(A)=B +# define set_pdf_thread_named_id(A,B) pdf_thread_named_id(A)=B + +# define obj_bead_ptr obj_aux /* pointer to |pdf->mem| */ +# define obj_bead_rect(pdf,A) pdf->mem[obj_bead_ptr(pdf,A)] +# define obj_bead_page(pdf,A) pdf->mem[obj_bead_ptr(pdf,A) + 1] +# define obj_bead_next(pdf,A) pdf->mem[obj_bead_ptr(pdf,A) + 2] +# define obj_bead_prev(pdf,A) pdf->mem[obj_bead_ptr(pdf,A) + 3] +# define obj_bead_attr(pdf,A) pdf->mem[obj_bead_ptr(pdf,A) + 4] + +# define set_obj_bead_rect(pdf,A,B) obj_bead_rect(pdf,A)=B +# define set_obj_bead_page(pdf,A,B) obj_bead_page(pdf,A)=B +# define set_obj_bead_next(pdf,A,B) obj_bead_next(pdf,A)=B +# define set_obj_bead_prev(pdf,A,B) obj_bead_prev(pdf,A)=B +# define set_obj_bead_attr(pdf,A,B) obj_bead_attr(pdf,A)=B + + +/* pointer to the corresponding whatsit node; |obj_bead_rect| is needed only when the bead + rectangle has been written out and after that |obj_bead_data| is not needed any more + so we can use this field for both */ +# define obj_bead_data obj_bead_rect +# define set_obj_bead_data set_obj_bead_rect + +extern void append_bead(PDF pdf, halfword p); +extern void do_thread(PDF pdf, halfword parent_box, halfword p, scaledpos cur); +extern void append_thread(PDF pdf, halfword parent_box, scaledpos cur); +extern void end_thread(PDF pdf, halfword p); +extern void scan_thread_id(void); + +extern void thread_title(PDF pdf, int t); +extern void pdf_fix_thread(PDF pdf, int t); +extern void out_thread(PDF pdf, int t); + +extern void check_running_thread(PDF pdf, halfword this_box, scaledpos cur); +extern void print_beads_list(PDF pdf); +extern void print_bead_rectangles(PDF pdf); +extern void flush_beads_list(void); + +#endif |