diff options
author | Taco Hoekwater <taco@elvenkind.com> | 2010-04-04 13:55:46 +0000 |
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committer | Taco Hoekwater <taco@elvenkind.com> | 2010-04-04 13:55:46 +0000 |
commit | f372862c42d234710b6057449b46818e63181c90 (patch) | |
tree | a9ebec66dd31ac37aed442502ebd1b9fe76245ec /Build/source/texk/web2c/luatexdir/pdf/pdftypes.h | |
parent | 2dad291ab056f30816e0aea61970f38033c2f6a5 (diff) |
import luatex 0.60.0 (with small local changes, see luatexdir/ChangeLog)
and do an autoreconf
git-svn-id: svn://tug.org/texlive/trunk@17680 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/luatexdir/pdf/pdftypes.h')
-rw-r--r-- | Build/source/texk/web2c/luatexdir/pdf/pdftypes.h | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/luatexdir/pdf/pdftypes.h b/Build/source/texk/web2c/luatexdir/pdf/pdftypes.h new file mode 100644 index 00000000000..83b3c89a97e --- /dev/null +++ b/Build/source/texk/web2c/luatexdir/pdf/pdftypes.h @@ -0,0 +1,291 @@ +/* pdftypes.h + + Copyright 2009-2010 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: pdftypes.h 3341 2010-01-08 19:52:54Z hhenkel $ */ + +#ifndef PDFTYPES_H +# define PDFTYPES_H + +# include <zlib.h> + +/* This stucture holds everything that is needed for the actual pdf generation. + +Because this structure interfaces with C++, it is not wise to use |boolean| +here (C++ has a boolean type built-in that is not compatible). Also, I have +plans to convert the backend code into a C library for use with e.g. standalone +lua. Together, this means that it is best only to use the standard C types and +the types explicitly defined in this header, and stay away from types like +|integer| and |eight_bits| that are used elsewhere in the \LUATEX\ sources. +*/ + +typedef struct os_obj_data_ { + int num; + int off; +} os_obj_data; + +typedef struct { + long m; /* mantissa (significand) */ + int e; /* exponent * -1 */ +} pdffloat; + +typedef struct { + pdffloat h; + pdffloat v; +} pdfpos; + +# define scaled int + +typedef struct scaledpos_ { + scaled h; + scaled v; +} scaledpos; + +typedef struct scaled_whd_ { + scaled wd; /* TeX width */ + scaled ht; /* TeX height */ + scaled dp; /* TeX depth */ +} scaled_whd; + +typedef struct posstructure_ { + scaledpos pos; /* position on the page */ + int dir; /* direction of stuff to be put onto the page */ +} posstructure; + +typedef struct { + scaledpos curpos; /* \pdflastpos position */ + posstructure boxpos; /* box dir and position of the box origin on the page */ + scaled_whd boxdim; /* box dimensions (in hlist/vlist coordinate system) */ +} pos_info_structure; + +typedef enum { PMODE_NONE, PMODE_PAGE, PMODE_TEXT, PMODE_CHARARRAY, PMODE_CHAR +} pos_mode; + +typedef enum { OMODE_NONE, OMODE_DVI, OMODE_PDF, OMODE_LUA } output_mode; + +# define MAX_OMODE 3 /* largest index in enum output_mode */ + +typedef enum { ST_INITIAL, ST_OMODE_FIX, ST_FILE_OPEN, ST_HEADER_WRITTEN, + ST_FILE_CLOSED +} output_state; + +typedef struct pdf_object_list_ { + int info; + struct pdf_object_list_ *link; +} pdf_object_list; + +typedef enum { WMODE_H, WMODE_V } writing_mode; /* []TJ runs horizontal or vertical */ + +typedef struct { + pdfpos pdf; /* pos. on page (PDF page raster) */ + pdfpos pdf_bt_pos; /* pos. at begin of BT-ET group (PDF page raster) */ + pdfpos pdf_tj_pos; /* pos. at begin of TJ array (PDF page raster) */ + pdffloat cw; /* pos. within [(..)..]TJ array (glyph raster); + cw.e = fractional digits in /Widths array */ + pdffloat tj_delta; /* rel. movement in [(..)..]TJ array (glyph raster) */ + pdffloat fs; /* font size in PDF units */ + pdffloat fs_cur; /* to check if fs.m has changed and Tf needed */ + pdffloat cm[6]; /* cm array */ + pdffloat tm[6]; /* Tm array */ + double k1; /* conv. factor from TeX sp to PDF page raster */ + double k2; /* conv. factor from PDF page raster to TJ array raster */ + int f_pdf; /* /F* font number, of unexpanded base font! */ + int f_pdf_cur; /* to check if f_pdf has changed and Tf needed */ + writing_mode wmode; /* PDF writing mode WMode (horizontal/vertical) */ + pos_mode mode; /* current positioning mode */ + int ishex; /* Whether the current char string is <> or () */ +} pdfstructure; + +typedef struct obj_entry_ { + union { + int int0; + char *str0; + } u; + int int1; + off_t int2; + int int3; + union { + int int4; + char *str4; + } v; + int objtype; /* integer int5 */ +} obj_entry; + +typedef struct dest_name_entry_ { + char *objname; /* destination name */ + int objnum; /* destination object number */ +} dest_name_entry; + +# define pdf_max_link_level 10 /* maximum depth of link nesting */ + +typedef struct pdf_link_stack_record { + int nesting_level; + int link_node; /* holds a copy of the corresponding |pdf_start_link_node| */ + int ref_link_node; /* points to original |pdf_start_link_node|, or a + copy of |link_node| created by |append_link| in + case of multi-line link */ +} pdf_link_stack_record; + +/* types of objects */ +typedef enum { + obj_type_font = 0, /* index of linked list of Fonts objects */ + obj_type_outline = 1, /* index of linked list of outline objects */ + obj_type_dest = 2, /* index of linked list of destination objects */ + obj_type_obj = 3, /* index of linked list of raw objects */ + obj_type_xform = 4, /* index of linked list of XObject forms */ + obj_type_ximage = 5, /* index of linked list of XObject images */ + obj_type_thread = 6, /* index of linked list of num article threads */ + /* |obj_type_thread| is the highest entry in |head_tab|, but there are a few + more linked lists that are handy: */ + obj_type_pagestream = 7, /* Page stream objects */ + obj_type_page = 8, /* Page objects */ + obj_type_pages = 9, /* Pages objects */ + obj_type_link = 10, /* link objects */ + obj_type_bead = 11, /* thread bead objects */ + obj_type_annot = 12, /* annotation objects */ + obj_type_objstm = 13, /* /ObjStm objects */ + obj_type_others = 14 /* any other objects (also not linked in any list) */ +} pdf_obj_type; + +# define HEAD_TAB_MAX 6 /* obj_type_thread */ +# define PDF_OBJ_TYPE_MAX 14 /* obj_type_others */ + +typedef struct pdf_resource_struct_ { + struct avl_table *resources_tree; + int last_resources; /* halfword to most recently generated Resources object. */ +} pdf_resource_struct; + +typedef struct pdf_output_file_ { + FILE *file; /* the PDF output file handle */ + char *file_name; /* the PDF output file name */ + output_mode o_mode; /* output mode (DVI/PDF/...) */ + output_state o_state; + /* generation parameters */ + int gamma; + int image_gamma; + int image_hicolor; /* boolean */ + int image_apply_gamma; + int draftmode; + int pk_resolution; + int decimal_digits; + int gen_tounicode; + int inclusion_copy_font; + int replace_font; + int minor_version; /* fixed minor part of the PDF version */ + int compress_level; /* level for zlib object stream compression */ + int objcompresslevel; /* fixed level for activating PDF object streams */ + char *job_id_string; /* the full job string */ + + /* output file buffering */ + unsigned char *op_buf; /* the PDF output buffer */ + int op_buf_size; /* output buffer size (static) */ + int op_ptr; /* store for PDF buffer |pdf_ptr| while inside object streams */ + unsigned char *os_buf; /* the PDF object stream buffer */ + int os_buf_size; /* current size of the PDF object stream buffer, grows dynamically */ + int os_ptr; /* store for object stream |pdf_ptr| while outside object streams */ + + os_obj_data *os_obj; /* array of object stream objects */ + int os_idx; /* pointer into |pdf_os_objnum| and |pdf_os_objoff| */ + int os_cntr; /* counter for object stream objects */ + int os_mode; /* true if producing object stream */ + int os_enable; /* true if object streams are globally enabled */ + int os_cur_objnum; /* number of current object stream object */ + + unsigned char *buf; /* pointer to the PDF output buffer or PDF object stream buffer */ + int buf_size; /* end of PDF output buffer or PDF object stream buffer */ + int ptr; /* pointer to the first unused byte in the PDF buffer or object stream buffer */ + off_t save_offset; /* to save |pdf_offset| */ + off_t gone; /* number of bytes that were flushed to output */ + + char *printf_buf; /* a scratch buffer for |pdf_printf| */ + + time_t start_time; /* when this job started */ + char *start_time_str; /* minimum size for time_str is 24: "D:YYYYmmddHHMMSS+HH'MM'" */ + + /* define fb_ptr, fb_array & fb_limit */ + char *fb_array; + char *fb_ptr; + size_t fb_limit; + + char *zipbuf; + z_stream c_stream; /* compression stream */ + int zip_write_state; /* which state of compression we are in */ + + int pk_scale_factor; /* this is just a preprocessed value that depends on + |pk_resolution| and |decimal_digits| */ + + int img_page_group_val; /* page group information pointer from included pdf or png images */ + char *resname_prefix; /* global prefix of resources name */ + + int mem_size; /* allocated size of |mem| array */ + int *mem; + int mem_ptr; + + pdfstructure *pstruct; /* utity structure keeping position status in PDF page stream */ + posstructure *posstruct; /* structure for positioning within page */ + + int obj_tab_size; /* allocated size of |obj_tab| array */ + obj_entry *obj_tab; + int head_tab[HEAD_TAB_MAX + 1]; /* heads of the object lists in |obj_tab| */ + struct avl_table *obj_tree[PDF_OBJ_TYPE_MAX + 1]; /* this is useful for finding the objects back */ + + int pages_tail; + int obj_ptr; /* user objects counter */ + int sys_obj_ptr; /* system objects counter, including object streams */ + int last_pages; /* pointer to most recently generated pages object */ + int last_page; /* pointer to most recently generated page object */ + int last_stream; /* pointer to most recently generated stream */ + off_t stream_length; /* length of most recently generated stream */ + off_t stream_length_offset; /* file offset of the last stream length */ + int seek_write_length; /* flag whether to seek back and write \.{/Length} */ + int last_byte; /* byte most recently written to PDF file; for \.{endstream} in new line */ + + /* integer last_resources; halfword to most recently generated Resources object. + TH: this used to be a local in pdf_shipout, but I would like to + be able to split that function into a pre- and post part */ + + int obj_count; + int xform_count; + int ximage_count; + + pdf_resource_struct *page_resources; + + /* the variables from pdfdest */ + int dest_names_size; + int dest_names_ptr; + dest_name_entry *dest_names; + /* the (static) variables from pdfoutline */ + int first_outline; + int last_outline; + int parent_outline; + /* the pdf link stack */ + pdf_link_stack_record link_stack[(pdf_max_link_level + 1)]; + int link_stack_ptr; + /* the thread data */ + int last_thread; /* pointer to the last thread */ + scaled_whd thread; + int last_thread_id; /* identifier of the last thread */ + int last_thread_named_id; /* is identifier of the last thread named */ + int thread_level; /* depth of nesting of box containing the last thread */ + + int f_cur; /* TeX font number */ +} pdf_output_file; + +typedef pdf_output_file *PDF; + +#endif /* PDFTYPES_H */ |