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/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
Copyright (C) 2002-2020 by Jin-Hwan Cho and Shunsaku Hirata,
the dvipdfmx project team.
Copyright (C) 1998, 1999 by Mark A. Wicks <mwicks@kettering.edu>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef _DVI_H_
#define _DVI_H_
#include "error.h"
#include "numbers.h"
/* spt_t */
#include "pdfdev.h"
/* instantiated in dvipdfmx.c */
extern double paper_width, paper_height;
extern int landscape_mode;
extern double get_origin (int x);
/* returns scale (dvi2pts) */
extern double dvi_init (char *dvi_filename, double mag); /* may append .dvi or .xdv to filename */
extern void dvi_close (void); /* Closes data structures created by dvi_open */
extern double dvi_tell_mag (void);
extern double dvi_unit_size (void);
extern double dvi_dev_xpos (void);
extern double dvi_dev_ypos (void);
extern unsigned int dvi_npages (void);
extern const char *dvi_comment (void);
extern void dvi_vf_init (int dev_font_id);
extern void dvi_vf_finish (void);
extern void dvi_set_font (int font_id);
extern void dvi_set (int32_t ch);
extern void dvi_rule (int32_t width, int32_t height);
extern void dvi_right (int32_t x);
extern void dvi_put (int32_t ch);
extern void dvi_push (void);
extern void dvi_pop (void);
extern void dvi_w0 (void);
extern void dvi_w (int32_t ch);
extern void dvi_x0 (void);
extern void dvi_x (int32_t ch);
extern void dvi_down (int32_t y);
extern void dvi_y (int32_t ch);
extern void dvi_y0 (void);
extern void dvi_z (int32_t ch);
extern void dvi_z0 (void);
extern void dvi_dirchg(unsigned char dir);
extern void dvi_do_page (double paper_height, double x_offset, double y_offset);
extern void dvi_scan_specials (int page_no,
double *width, double *height,
double *x_offset, double *y_offset, int *landscape,
int *majorversion, int *minorversion,
int *do_enc, int *keybits, int32_t *perm,
char *opasswd, char *upasswd, int *has_id, unsigned char *id1, unsigned char *id2);
extern int dvi_locate_font (const char *name, spt_t ptsize);
/* link or nolink:
* See dvipdfm (not x) user's manual on pdf:link and pdf:nolink.
* This is workaround for preventing inclusion of pagenation artifact such as
* footnote and page number in link annotation.
*/
extern void dvi_link_annot (int flag);
/* linkmode
* To capture \phantom's, DVI "right" instructions are also taken into
* account in calculation of annotaion rectangle.
* Mode 1 for catching phantoms.
* dvi_set_phantom_height() specifies the height of phantom box (default
* is the current font size).
*/
extern void dvi_set_linkmode (int mode);
extern void dvi_set_phantom_height (double height, double depth);
/* The followings are for calculating bounding box of text for annotation.
* DVI uses push/pop to do line-feed-carriage-return. So line breaking is
* handled by inspecting current depth of DVI register stack.
*/
extern void dvi_tag_depth (void);
extern void dvi_untag_depth (void);
extern void dvi_compute_boxes (int flag);
extern void dvi_do_special (const void *buffer, int32_t size);
/* allow other modules (pdfdev) to ask whether we're collecting box areas */
extern int dvi_is_tracking_boxes(void);
extern void dvi_set_compensation (double x, double y);
#endif /* _DVI_H_ */
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