mirror of
https://invent.kde.org/graphics/okular
synced 2024-10-13 11:22:24 +00:00
229 lines
5.1 KiB
C
229 lines
5.1 KiB
C
/*
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* Written by Eric C. Cooper, CMU
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*/
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/********************************
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* The C environment *
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*******************************/
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/* Avoid name clashes with kpathsea. */
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#define xmalloc xdvi_xmalloc
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#define xfopen xdvi_xfopen
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/* For wchar_t et al., that the X files might want. */
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extern "C" {
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#include <kpathsea/systypes.h>
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}
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/* See kpathsea/INSTALL for the purpose of the FOIL... */
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#ifdef FOIL_X_WCHAR_T
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#define wchar_t foil_x_defining_wchar_t
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#define X_WCHAR
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#endif
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#include <X11/Xlib.h> /* include Xfuncs.h, if available */
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#include <X11/Xutil.h> /* needed for XDestroyImage */
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#include <X11/Xos.h>
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#undef wchar_t
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#define XtNumber(arr) (sizeof(arr)/sizeof(arr[0]))
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typedef unsigned long Pixel;
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typedef char Boolean;
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typedef unsigned int Dimension;
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#undef BUTTONS
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#define True 1
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#define False 0
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#ifndef OPEN_MODE
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#define OPEN_MODE FOPEN_R_MODE
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#endif /* OPEN_MODE */
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#define OPEN_MODE_ARGS _Xconst char *
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#ifndef NeedFunctionPrototypes
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#ifdef __STDC__
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#define NeedFunctionPrototypes 1
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#else /* STDC */
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#define NeedFunctionPrototypes 0
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#endif /* STDC */
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#endif /* NeedFunctionPrototypes */
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#define ARGS(x) x
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#ifndef NeedWidePrototypes
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#define NeedWidePrototypes NeedFunctionPrototypes
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#endif
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#ifndef NeedVarargsPrototypes
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#define NeedVarargsPrototypes NeedFunctionPrototypes
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#endif
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#ifndef _XFUNCPROTOBEGIN
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#define _XFUNCPROTOBEGIN
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#define _XFUNCPROTOEND
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#endif
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#define Printf (void) printf
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#define Puts (void) puts
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#define Fprintf (void) fprintf
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#define Sprintf (void) sprintf
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#define Fseek (void) fseek
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#define Fread (void) fread
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#define Fputs (void) fputs
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#define Putc (void) putc
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#define Putchar (void) putchar
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#define Fclose (void) fclose
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#define Fflush (void) fflush
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#define Strcpy (void) strcpy
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/********************************
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* Types and data *
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*******************************/
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#define INIT(x)
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/*
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* pixel_conv is currently used only for converting absolute positions
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* to pixel values; although normally it should be
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* ((int) ((x) / shrink_factor + (1 << 15) >> 16)),
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* the rounding is achieved instead by moving the constant 1 << 15 to
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* PAGE_OFFSET in dvi_draw.c.
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*/
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#define pixel_conv(x) ((int) ((x) / (shrink_factor * 65536)))
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#define pixel_round(x) ((int) ROUNDUP(x, shrink_factor * 65536))
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#define spell_conv0(n, f) ((long) (n * f))
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#define spell_conv(n) spell_conv0(n, dimconv)
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#ifdef BMBYTE
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#define BMUNIT unsigned char
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#define BITS_PER_BMUNIT 8
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#define BYTES_PER_BMUNIT 1
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#else /* !BMBYTE */
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#ifdef BMSHORT
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#define BMUNIT unsigned short
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#define BITS_PER_BMUNIT 16
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#define BYTES_PER_BMUNIT 2
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#else /* !BMSHORT */
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#define BMLONG
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#ifdef __alpha
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#define BMUNIT unsigned int
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#else
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#define BMUNIT unsigned long
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#endif /* if __alpha */
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#define BITS_PER_BMUNIT 32
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#define BYTES_PER_BMUNIT 4
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#endif /* !BMSHORT */
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#endif /* !BMBYTE */
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#define ADD(a, b) ((BMUNIT *) (((char *) a) + b))
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#define SUB(a, b) ((BMUNIT *) (((char *) a) - b))
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extern BMUNIT bit_masks[BITS_PER_BMUNIT + 1];
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extern struct drawinf currinf;
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/* entries below with the characters 'dvi' in them are actually stored in
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scaled pixel units */
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#define DVI_H currinf.data.dvi_h
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#define PXL_H pixel_conv(currinf.data.dvi_h)
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#define DVI_V currinf.data.dvi_v
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#define PXL_V currinf.data.pxl_v
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#define WW currinf.data.w
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#define XX currinf.data.x
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#define YY currinf.data.y
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#define ZZ currinf.data.z
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#define ROUNDUP(x,y) (((x)+(y)-1)/(y))
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extern int current_page;
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extern int total_pages;
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extern long magnification;
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extern double dimconv;
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extern double tpic_conv;
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extern int n_files_left; /* for LRU closing of fonts */
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extern unsigned int page_w, page_h;
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#define PS 1
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/*
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* Table of page offsets in DVI file, indexed by page number - 1.
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* Initialized in prepare_pages().
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*/
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extern long *page_offset;
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extern QIntDict<struct font> tn_table;
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extern struct font *font_head INIT(NULL);
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extern unsigned char maxchar;
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extern unsigned short current_timestamp INIT(0);
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/*
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* Command line flags.
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*/
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//extern char *debug_arg;
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extern int _pixels_per_inch;
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//extern char *sidemargin;
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//extern char *topmargin;
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extern _Xconst char *_paper;
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extern char *mg_arg[5];
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extern unsigned long num ARGS((FILE *, int));
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extern long snum ARGS((FILE *, int));
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#define pixels_per_inch _pixels_per_inch
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extern struct mg_size_rec {
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int w;
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int h;
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}
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mg_size[5];
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extern int _debug INIT(0);
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#define DBG_BITMAP 0x1
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#define DBG_DVI 0x2
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#define DBG_PK 0x4
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#define DBG_BATCH 0x8
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#define DBG_EVENT 0x10 /* 16 */
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#define DBG_OPEN 0x20 /* 32 */
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#define DBG_PS 0x40 /* 64 */
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#define DBG_STAT 0x80 /* 128 */
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#define DBG_HASH 0x100 /* 256 */
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#define DBG_PATHS 0x200 /* 512 */
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#define DBG_EXPAND 0x400 /* 1024 */
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#define DBG_SEARCH 0x800 /* 2048 */
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#define DBG_ALL (0xffff & ~DBG_BATCH)
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extern Display *DISP;
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extern Screen *SCRN;
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extern struct WindowRec mane, alt, currwin;
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#define shrink_factor currwin.shrinkfactor
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extern jmp_buf dvi_env; /* mechanism to communicate dvi file errors */
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extern const char *dvi_oops_msg; /* error message */
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#define one(fp) ((unsigned char) getc(fp))
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#define sone(fp) ((long) one(fp))
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#define two(fp) num (fp, 2)
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#define stwo(fp) snum(fp, 2)
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#define four(fp) num (fp, 4)
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#define sfour(fp) snum(fp, 4)
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