src/meta/impress.c

#ifndef lint
static const char       RCSid[] = "$Id: impress.c,v 1.1 2003/02/22 02:07:26 greg Exp $";
#endif
/*
 *  Program to convert meta-files to imPress format
 *
 *
 *     1/2/86
 */


#include  "meta.h"

#include  "imPcodes.h"

#include  "imPfuncs.h"


#define  XCOM  "pexpand +OCIsv -P %s"


char  *progname;

FILE  *imout;

static short  newpage = TRUE; 


main(argc, argv)

int  argc;
char  **argv;

{
 FILE  *fp;
 FILE  *popen();
 short  condonly, conditioned;
 char  comargs[200], command[300];

 progname = *argv++;
 argc--;

 condonly = FALSE;
 conditioned = FALSE;

 while (argc && **argv == '-')  {
    switch (*(*argv+1))  {
       case 'c':
          condonly = TRUE;
          break;
       case 'r':
          conditioned = TRUE;
          break;
       default:
          error(WARNING, "unknown option");
          break;
       }
    argv++;
    argc--;
    }

 imInit();

 if (conditioned) {
    if (argc)
       while (argc)  {
          fp = efopen(*argv, "r");
          plot(fp);
          fclose(fp);
          argv++;
          argc--;
          }
    else
       plot(stdin);
 } else  {
    comargs[0] = '\0';
    while (argc)  {
       strcat(comargs, " ");
       strcat(comargs, *argv);
       argv++;
       argc--;
       }
    sprintf(command, XCOM, comargs);
    if (condonly)
       return(system(command));
    else  {
       if ((fp = popen(command, "r")) == NULL)
          error(SYSTEM, "cannot execute input filter");
       plot(fp);
       pclose(fp);
       }
    }

 if (!newpage)
     imEndPage();
 imEof();

 return(0);
 }


plot(infp)              /* plot meta-file */

register FILE  *infp;

{
    PRIMITIVE  nextp;

    do {
        readp(&nextp, infp);
        while (isprim(nextp.com)) {
            doprim(&nextp);
            fargs(&nextp);
            readp(&nextp, infp);
        }
        doglobal(&nextp);
        fargs(&nextp);
    } while (nextp.com != PEOF);

}


doglobal(g)                     /* execute a global command */

register PRIMITIVE  *g;

{
    char  c;

    switch (g->com) {

        case PEOF:
            break;

        case PDRAW:
            fflush(stdout);
            break;

        case PEOP:
            if (!newpage)
                imEndPage();            /* don't waste paper */
            newpage = TRUE;
            break;

        case PSET:
            set(g->arg0, g->args);
            break;

        case PUNSET:
            unset(g->arg0);
            break;

        case PRESET:
            reset(g->arg0);
            break;

        default:
            sprintf(errmsg, "unknown command '%c' in doglobal", g->com);
            error(WARNING, errmsg);
            break;
        }

}


doprim(p)               /* plot primitive */

register PRIMITIVE  *p;

{

    switch (p->com) {

        case PMSTR:
            printstr(p);
            break;

        case PLSEG:
            plotlseg(p);
            break;

        case PRFILL:
            fillrect(p);
            break;

        case PTFILL:
            filltri(p);
            break;

        case PPFILL:
            fillpoly(p);
            break;

        default:
            sprintf(errmsg, "unknown command '%c' in doprim", p->com);
            error(WARNING, errmsg);
            return;
    }

    newpage = FALSE;

}
Revision:	1.2
Committed:	Fri Aug 1 14:14:24 2003 UTC (20 years, 10 months ago) by schorsch
Content type:	text/plain
Branch:	MAIN
Changes since 1.1:	+1 -15 lines
Log Message:	Eliminated CPM, MAC, and UNIX conditional compiles.
#	Content
1	#ifndef lint
2	static const char RCSid[] = "$Id: impress.c,v 1.1 2003/02/22 02:07:26 greg Exp $";
3	#endif
4	/*
5	* Program to convert meta-files to imPress format
6	*
7	*
8	* 1/2/86
9	*/
10
11
12	#include "meta.h"
13
14	#include "imPcodes.h"
15
16	#include "imPfuncs.h"
17
18
19	#define XCOM "pexpand +OCIsv -P %s"
20
21
22	char *progname;
23
24	FILE *imout;
25
26	static short newpage = TRUE;
27
28
29
30	main(argc, argv)
31
32	int argc;
33	char **argv;
34
35	{
36	FILE *fp;
37	FILE *popen();
38	short condonly, conditioned;
39	char comargs[200], command[300];
40
41	progname = *argv++;
42	argc--;
43
44	condonly = FALSE;
45	conditioned = FALSE;
46
47	while (argc && **argv == '-') {
48	switch ((argv+1)) {
49	case 'c':
50	condonly = TRUE;
51	break;
52	case 'r':
53	conditioned = TRUE;
54	break;
55	default:
56	error(WARNING, "unknown option");
57	break;
58	}
59	argv++;
60	argc--;
61	}
62
63	imInit();
64
65	if (conditioned) {
66	if (argc)
67	while (argc) {
68	fp = efopen(*argv, "r");
69	plot(fp);
70	fclose(fp);
71	argv++;
72	argc--;
73	}
74	else
75	plot(stdin);
76	} else {
77	comargs[0] = '\0';
78	while (argc) {
79	strcat(comargs, " ");
80	strcat(comargs, *argv);
81	argv++;
82	argc--;
83	}
84	sprintf(command, XCOM, comargs);
85	if (condonly)
86	return(system(command));
87	else {
88	if ((fp = popen(command, "r")) == NULL)
89	error(SYSTEM, "cannot execute input filter");
90	plot(fp);
91	pclose(fp);
92	}
93	}
94
95	if (!newpage)
96	imEndPage();
97	imEof();
98
99	return(0);
100	}
101
102
103
104	plot(infp) /* plot meta-file */
105
106	register FILE *infp;
107
108	{
109	PRIMITIVE nextp;
110
111	do {
112	readp(&nextp, infp);
113	while (isprim(nextp.com)) {
114	doprim(&nextp);
115	fargs(&nextp);
116	readp(&nextp, infp);
117	}
118	doglobal(&nextp);
119	fargs(&nextp);
120	} while (nextp.com != PEOF);
121
122	}
123
124
125
126
127
128
129	doglobal(g) /* execute a global command */
130
131	register PRIMITIVE *g;
132
133	{
134	char c;
135
136	switch (g->com) {
137
138	case PEOF:
139	break;
140
141	case PDRAW:
142	fflush(stdout);
143	break;
144
145	case PEOP:
146	if (!newpage)
147	imEndPage(); /* don't waste paper */
148	newpage = TRUE;
149	break;
150
151	case PSET:
152	set(g->arg0, g->args);
153	break;
154
155	case PUNSET:
156	unset(g->arg0);
157	break;
158
159	case PRESET:
160	reset(g->arg0);
161	break;
162
163	default:
164	sprintf(errmsg, "unknown command '%c' in doglobal", g->com);
165	error(WARNING, errmsg);
166	break;
167	}
168
169	}
170
171
172
173
174	doprim(p) /* plot primitive */
175
176	register PRIMITIVE *p;
177
178	{
179
180	switch (p->com) {
181
182	case PMSTR:
183	printstr(p);
184	break;
185
186	case PLSEG:
187	plotlseg(p);
188	break;
189
190	case PRFILL:
191	fillrect(p);
192	break;
193
194	case PTFILL:
195	filltri(p);
196	break;
197
198	case PPFILL:
199	fillpoly(p);
200	break;
201
202	default:
203	sprintf(errmsg, "unknown command '%c' in doprim", p->com);
204	error(WARNING, errmsg);
205	return;
206	}
207
208	newpage = FALSE;
209
210	}