X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/mup/blobdiff_plain/cdb3c0882392596f814cf939cbfbd38adc6f2bfe..ddf6330b56bcfb657e0186b24b9b1422c51d3424:/mup/mupdisp/mupdisp.h

diff --git a/mup/mupdisp/mupdisp.h b/mup/mupdisp/mupdisp.h
new file mode 100644
index 0000000..892d323
--- /dev/null
+++ b/mup/mupdisp/mupdisp.h
@@ -0,0 +1,155 @@
+
+/* Copyright (c) 1995, 1996, 1998, 2000, 2001, 2006 by Arkkra Enterprises */
+/* All rights reserved */
+
+/* include file for Mup/Ghostscript display program */
+
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <ctype.h>
+#include <signal.h>
+#include <string.h>
+#include <stdlib.h>
+#include <malloc.h>
+#if !defined(linux) && !defined(__EMX__)
+/* undef SIGCHLD to avoid conflict with Xos.h */
+#undef SIGCHLD
+#endif
+#include <errno.h>
+
+#ifdef __WATCOMC__
+#ifndef __DOS__
+#define __DOS__ 1
+#endif
+#endif
+
+#if defined(__DOS__) || defined (__EMX__)
+#include <io.h>
+#endif
+
+#ifdef __EMX__
+#define unix	/* not really unix, but acts like it */
+#endif
+#include "dispttyp.h"
+
+#ifdef XWINDOW
+#ifdef linux
+#undef SYSV
+#undef _USHORT_H
+#endif
+/* X window includes */
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xos.h>
+/* define XK_MISCELLANY so we can use XK_Return, etc */
+#define XK_MISCELLANY 1
+#include <X11/keysymdef.h>
+#endif
+
+/* macro for function templates if using ANSI C */
+#ifdef __STDC__
+#define	P(parms)	parms
+#else
+#define	P(parms)	()
+#endif
+
+#define YES     1
+#define NO      0
+
+/* define screen and page dimensions */
+/* we only handle the standard sizes that are less than 640 pixels wide.
+ * This includes letter, note, legal, a3, a4, a5, a6, flsa, flse,
+ * and halfletter  */
+#define MAX_BYTES_PER_LINE	77	/* 612/8 rounded up */
+#define MAX_LINES_PER_PAGE	1008	/* to handle legal size */
+
+#define BITS_PER_LINE   Bits_per_line    /* horizontal pixels */
+#define BYTES_PER_LINE  Bytes_per_line   /* Bits_per_line / 8 rounded up */
+#define LINES_PER_PAGE  Lines_per_page   /* vertical pixels */
+#define BYTES_PER_PAGE  (BYTES_PER_LINE * LINES_PER_PAGE)
+
+
+/* default mode is not full page */
+#define DFLT_MODE       NO
+
+typedef void (*FUNC)();
+
+/* list of supported $TERM types and which functions and parameters to use
+ * to implement them. To support a new terminal type, write appropriate
+ * functions, and add to the Config table in init.c.
+ */
+struct CONFIG {
+	char    *termname;      /* $TERM value */
+	FUNC    setup;          /* call this to initialize */
+	FUNC    cleanup;        /* call this to clean up and exit */
+	FUNC    draw;           /* call this to draw a screen of the page */
+	FUNC    user_interf;    /* call this to read user input */
+	FUNC    error;          /* call this on bad user input */
+	FUNC    bitmap;         /* call this to display a bitmap */
+	int     vlines;         /* number of lines vertically on screen */
+	float   adjust;         /* aspect ratio adjustment */
+};
+
+
+/* information about a particular bitmap-ed page. */
+struct Pginfo {
+	int     pagenum;        /* actual designated page number. If the mup
+				 * -p option is used, this may start somewhere
+				 * other than 1, and if -o is used, there
+				 * may be gaps in the list */
+	int     seqnum;         /* page number from 0 to n-1. Multiplying this
+				 * by the number of bytes per page in a bitmap
+				 * gives the file offset for the page. */
+	long    begin;          /* where page begins in input */
+	long    end;            /* where page ends in input */
+	struct Pginfo   *next;  /* linked list link */
+	struct Pginfo   *prev;
+};
+
+/* globals */
+extern struct CONFIG *Conf_info_p;
+extern struct Pginfo *Pagehead; /* all page bitmaps */
+extern struct Pginfo *Pagetail; /* where to add to list */
+extern struct Pginfo *Currpage_p;       /* current page */
+extern int Fullpgmode;  /* full page or partial page */
+extern long Beginprolog;/* where in PostScript file the prolog begins */
+extern long Endprolog;  /* where in PostScript file the prolog ends */
+extern long Begin_offset;/* offset in file where current page begins */
+extern int Pagenum;     /* current page number */
+extern int Psfile;      /* PostScript temp file, file descriptor */
+extern FILE *PS_file;   /* PostScript temp file */
+extern int Fullbitmaps; /* temp file of full page bitmaps */
+extern int Partbitmaps; /* temp file for bitmaps for scrollable pages */
+extern int Nulldev;     /* /dev/null */
+extern char Fullfile[]; /* name of gs output tmp file */
+extern char Partfile[]; /* name of gs output tmp file */
+extern char Mupfile[];  /* mup output temp file */
+extern char **Argv;     /* global version of argv */
+extern int Argc;        /* global version of argc */
+extern char *Exit_errmsg;/* error message to print upon exit */
+extern char *Gs_errfile;/* Ghostscript error file */
+extern int Bits_per_line; /* pixels per line */
+extern int Bytes_per_line;/* pixels per line divided by 8 and rounded up */
+extern int Lines_per_page;/* vertical pixels */
+
+/* misc functions */
+extern int getpginfo P((int pgnum));
+extern void user_interf P((void));
+extern int scroll P((int line, int distance));
+extern void generalcleanup P((int status));
+extern int create_tmpfile P((char *tmpfname));
+extern int gen1file P((int fullpgmode));
+extern void get_paper_size P((int x, int y));
+extern void run_mup P((char **argv));
+extern void init P((void));
+extern void do_cmd P((int c));
+
+extern char *getenv();
+extern long ftell();
+#ifdef __STDC__
+#include <unistd.h>
+#else
+extern long lseek();
+#endif