~mdw / mup / blame
| Commit | Line | Data |
|---|---|---|
| 69695f33 MW |
1 | |
| 2 | /* Copyright (c) 1995, 1996, 1998, 2000, 2001, 2006 by Arkkra Enterprises */ | |
| 3 | /* All rights reserved */ | |
| 4 | ||
| 5 | /* include file for Mup/Ghostscript display program */ | |
| 6 | ||
| 7 | ||
| 8 | #include <stdio.h> | |
| 9 | #include <fcntl.h> | |
| 10 | #include <sys/types.h> | |
| 11 | #include <ctype.h> | |
| 12 | #include <signal.h> | |
| 13 | #include <string.h> | |
| 14 | #include <stdlib.h> | |
| 15 | #include <malloc.h> | |
| 16 | #if !defined(linux) && !defined(__EMX__) | |
| 17 | /* undef SIGCHLD to avoid conflict with Xos.h */ | |
| 18 | #undef SIGCHLD | |
| 19 | #endif | |
| 20 | #include <errno.h> | |
| 21 | ||
| 22 | #ifdef __WATCOMC__ | |
| 23 | #ifndef __DOS__ | |
| 24 | #define __DOS__ 1 | |
| 25 | #endif | |
| 26 | #endif | |
| 27 | ||
| 28 | #if defined(__DOS__) || defined (__EMX__) | |
| 29 | #include <io.h> | |
| 30 | #endif | |
| 31 | ||
| 32 | #ifdef __EMX__ | |
| 33 | #define unix /* not really unix, but acts like it */ | |
| 34 | #endif | |
| 35 | #include "dispttyp.h" | |
| 36 | ||
| 37 | #ifdef XWINDOW | |
| 38 | #ifdef linux | |
| 39 | #undef SYSV | |
| 40 | #undef _USHORT_H | |
| 41 | #endif | |
| 42 | /* X window includes */ | |
| 43 | #include <X11/Xlib.h> | |
| 44 | #include <X11/Xutil.h> | |
| 45 | #include <X11/Xos.h> | |
| 46 | /* define XK_MISCELLANY so we can use XK_Return, etc */ | |
| 47 | #define XK_MISCELLANY 1 | |
| 48 | #include <X11/keysymdef.h> | |
| 49 | #endif | |
| 50 | ||
| 51 | /* macro for function templates if using ANSI C */ | |
| 52 | #ifdef __STDC__ | |
| 53 | #define P(parms) parms | |
| 54 | #else | |
| 55 | #define P(parms) () | |
| 56 | #endif | |
| 57 | ||
| 58 | #define YES 1 | |
| 59 | #define NO 0 | |
| 60 | ||
| 61 | /* define screen and page dimensions */ | |
| 62 | /* we only handle the standard sizes that are less than 640 pixels wide. | |
| 63 | * This includes letter, note, legal, a3, a4, a5, a6, flsa, flse, | |
| 64 | * and halfletter */ | |
| 65 | #define MAX_BYTES_PER_LINE 77 /* 612/8 rounded up */ | |
| 66 | #define MAX_LINES_PER_PAGE 1008 /* to handle legal size */ | |
| 67 | ||
| 68 | #define BITS_PER_LINE Bits_per_line /* horizontal pixels */ | |
| 69 | #define BYTES_PER_LINE Bytes_per_line /* Bits_per_line / 8 rounded up */ | |
| 70 | #define LINES_PER_PAGE Lines_per_page /* vertical pixels */ | |
| 71 | #define BYTES_PER_PAGE (BYTES_PER_LINE * LINES_PER_PAGE) | |
| 72 | ||
| 73 | ||
| 74 | /* default mode is not full page */ | |
| 75 | #define DFLT_MODE NO | |
| 76 | ||
| 77 | typedef void (*FUNC)(); | |
| 78 | ||
| 79 | /* list of supported $TERM types and which functions and parameters to use | |
| 80 | * to implement them. To support a new terminal type, write appropriate | |
| 81 | * functions, and add to the Config table in init.c. | |
| 82 | */ | |
| 83 | struct CONFIG { | |
| 84 | char *termname; /* $TERM value */ | |
| 85 | FUNC setup; /* call this to initialize */ | |
| 86 | FUNC cleanup; /* call this to clean up and exit */ | |
| 87 | FUNC draw; /* call this to draw a screen of the page */ | |
| 88 | FUNC user_interf; /* call this to read user input */ | |
| 89 | FUNC error; /* call this on bad user input */ | |
| 90 | FUNC bitmap; /* call this to display a bitmap */ | |
| 91 | int vlines; /* number of lines vertically on screen */ | |
| 92 | float adjust; /* aspect ratio adjustment */ | |
| 93 | }; | |
| 94 | ||
| 95 | ||
| 96 | /* information about a particular bitmap-ed page. */ | |
| 97 | struct Pginfo { | |
| 98 | int pagenum; /* actual designated page number. If the mup | |
| 99 | * -p option is used, this may start somewhere | |
| 100 | * other than 1, and if -o is used, there | |
| 101 | * may be gaps in the list */ | |
| 102 | int seqnum; /* page number from 0 to n-1. Multiplying this | |
| 103 | * by the number of bytes per page in a bitmap | |
| 104 | * gives the file offset for the page. */ | |
| 105 | long begin; /* where page begins in input */ | |
| 106 | long end; /* where page ends in input */ | |
| 107 | struct Pginfo *next; /* linked list link */ | |
| 108 | struct Pginfo *prev; | |
| 109 | }; | |
| 110 | ||
| 111 | /* globals */ | |
| 112 | extern struct CONFIG *Conf_info_p; | |
| 113 | extern struct Pginfo *Pagehead; /* all page bitmaps */ | |
| 114 | extern struct Pginfo *Pagetail; /* where to add to list */ | |
| 115 | extern struct Pginfo *Currpage_p; /* current page */ | |
| 116 | extern int Fullpgmode; /* full page or partial page */ | |
| 117 | extern long Beginprolog;/* where in PostScript file the prolog begins */ | |
| 118 | extern long Endprolog; /* where in PostScript file the prolog ends */ | |
| 119 | extern long Begin_offset;/* offset in file where current page begins */ | |
| 120 | extern int Pagenum; /* current page number */ | |
| 121 | extern int Psfile; /* PostScript temp file, file descriptor */ | |
| 122 | extern FILE *PS_file; /* PostScript temp file */ | |
| 123 | extern int Fullbitmaps; /* temp file of full page bitmaps */ | |
| 124 | extern int Partbitmaps; /* temp file for bitmaps for scrollable pages */ | |
| 125 | extern int Nulldev; /* /dev/null */ | |
| 126 | extern char Fullfile[]; /* name of gs output tmp file */ | |
| 127 | extern char Partfile[]; /* name of gs output tmp file */ | |
| 128 | extern char Mupfile[]; /* mup output temp file */ | |
| 129 | extern char **Argv; /* global version of argv */ | |
| 130 | extern int Argc; /* global version of argc */ | |
| 131 | extern char *Exit_errmsg;/* error message to print upon exit */ | |
| 132 | extern char *Gs_errfile;/* Ghostscript error file */ | |
| 133 | extern int Bits_per_line; /* pixels per line */ | |
| 134 | extern int Bytes_per_line;/* pixels per line divided by 8 and rounded up */ | |
| 135 | extern int Lines_per_page;/* vertical pixels */ | |
| 136 | ||
| 137 | /* misc functions */ | |
| 138 | extern int getpginfo P((int pgnum)); | |
| 139 | extern void user_interf P((void)); | |
| 140 | extern int scroll P((int line, int distance)); | |
| 141 | extern void generalcleanup P((int status)); | |
| 142 | extern int create_tmpfile P((char *tmpfname)); | |
| 143 | extern int gen1file P((int fullpgmode)); | |
| 144 | extern void get_paper_size P((int x, int y)); | |
| 145 | extern void run_mup P((char **argv)); | |
| 146 | extern void init P((void)); | |
| 147 | extern void do_cmd P((int c)); | |
| 148 | ||
| 149 | extern char *getenv(); | |
| 150 | extern long ftell(); | |
| 151 | #ifdef __STDC__ | |
| 152 | #include <unistd.h> | |
| 153 | #else | |
| 154 | extern long lseek(); | |
| 155 | #endif |