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root/radiance/ray/src/meta/xmeta.c
Revision: 1.4
Committed: Mon Oct 8 18:07:57 2007 UTC (16 years, 6 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 1.3: +108 -118 lines
Log Message: 
Compiler warning fixes for Linux release (thanks to Bernd Zeimetz)

File Contents

# User Rev Content
1 greg 1.1 #ifndef lint
2 greg 1.4 static const char RCSid[] = "$Id: xmeta.c,v 1.3 2003/11/17 02:21:53 greg Exp $";
3 greg 1.1 #endif
4     /*
5     * Program to output meta-files to X window system.
6     *
7     * cc -o Xmeta Xmeta.c Xplot.o plot.o mfio.o syscalls.o misc.o
8     *
9     * 2/26/86
10     */
11    
12 schorsch 1.2 #include "rtprocess.h"
13 greg 1.4 #include "string.h"
14 greg 1.1 #include "meta.h"
15     #include "plot.h"
16    
17    
18     #define overlap(p,xmn,ymn,xmx,ymx) (ov((p)->xy[XMN],(p)->xy[XMX],xmn,xmx) \
19     &&ov((p)->xy[YMN],(p)->xy[YMX],ymn,ymx))
20    
21     #define ov(mn1,mx1,mn2,mx2) ((mn1)<(mx2)&&(mn2)<(mx1))
22    
23     #define XCOM "pexpand +OCIsv -P %s"
24    
25    
26     char *progname;
27    
28     static short newpage = TRUE;
29    
30     static PLIST recording;
31    
32     int maxalloc = 0; /* no limit */
33    
34 greg 1.4 extern void pXFlush(void);
35 greg 1.1
36    
37 greg 1.3 void
38 greg 1.1 save(p) /* record primitive */
39     PRIMITIVE *p;
40     {
41     register PRIMITIVE *pnew;
42    
43     if ((pnew = palloc()) == NULL)
44     error(SYSTEM, "out of memory in save");
45 greg 1.3 mcopy((char *)pnew, (char *)p, sizeof(PRIMITIVE));
46 greg 1.1 add(pnew, &recording);
47     }
48    
49    
50 greg 1.4 void
51 greg 1.1 doglobal(g, sf) /* execute a global command */
52     register PRIMITIVE *g;
53     int sf;
54     {
55    
56     switch (g->com) {
57    
58     case PEOF:
59     return;
60    
61     case PDRAW:
62 greg 1.4 pXFlush();
63 greg 1.1 break;
64    
65     case PEOP:
66     endpage();
67     plfree(&recording);
68     set(SALL, NULL);
69     newpage = TRUE;
70     return;
71    
72     case PSET:
73     set(g->arg0, g->args);
74     break;
75    
76     case PUNSET:
77     unset(g->arg0);
78     break;
79    
80     case PRESET:
81     reset(g->arg0);
82     break;
83    
84     default:
85     sprintf(errmsg, "unknown command '%c' in doglobal", g->com);
86     error(WARNING, errmsg);
87     return;
88     }
89     if (sf)
90     save(g);
91    
92     }
93    
94    
95 greg 1.4 void
96 greg 1.1 doprim(p, sf) /* plot primitive */
97     register PRIMITIVE *p;
98     int sf;
99     {
100    
101     switch (p->com) {
102    
103     case PMSTR:
104     printstr(p);
105     break;
106    
107     case PLSEG:
108     plotlseg(p);
109     break;
110    
111     case PRFILL:
112     fillrect(p);
113     break;
114    
115     case PTFILL:
116     filltri(p);
117     break;
118    
119     case PPFILL:
120     fillpoly(p);
121     break;
122    
123     default:
124     sprintf(errmsg, "unknown command '%c' in doprim", p->com);
125     error(WARNING, errmsg);
126     return;
127     }
128     if (sf) {
129     save(p);
130     newpage = FALSE;
131     }
132    
133     }
134 greg 1.4
135    
136     void
137     plot(infp) /* plot meta-file */
138     FILE *infp;
139     {
140     PRIMITIVE nextp;
141    
142     set(SALL, NULL);
143     do {
144     readp(&nextp, infp);
145     while (isprim(nextp.com)) {
146     doprim(&nextp, 1);
147     readp(&nextp, infp);
148     }
149     doglobal(&nextp, 1);
150     } while (nextp.com != PEOF);
151    
152     }
153    
154    
155     void
156     replay(xmin, ymin, xmax, ymax) /* play back region */
157     int xmin, ymin, xmax, ymax;
158     {
159     register PRIMITIVE *p;
160    
161     unset(SALL);
162     set(SALL, NULL);
163     for (p = recording.ptop; p != NULL; p = p->pnext)
164     if (isprim(p->com)) {
165     if (overlap(p, xmin, ymin, xmax, ymax))
166     doprim(p, 0);
167     } else
168     doglobal(p, 0);
169    
170     }
171    
172    
173     int
174     main(argc, argv)
175     int argc;
176     char **argv;
177     {
178     FILE *fp;
179     char *geometry = NULL;
180     short condonly, conditioned;
181     char comargs[500], command[600];
182    
183     progname = *argv++;
184     argc--;
185    
186     condonly = FALSE;
187     conditioned = FALSE;
188    
189     for ( ; argc; argv++, argc--)
190     if (!strcmp(*argv, "-c"))
191     condonly = TRUE;
192     else if (!strcmp(*argv, "-r"))
193     conditioned = TRUE;
194     else if (**argv == '=')
195     geometry = *argv;
196     else
197     break;
198    
199     if (conditioned) {
200     init(progname, geometry);
201     if (argc)
202     while (argc) {
203     fp = efopen(*argv, "r");
204     plot(fp);
205     fclose(fp);
206     argv++;
207     argc--;
208     }
209     else
210     plot(stdin);
211     } else {
212     comargs[0] = '\0';
213     while (argc) {
214     strcat(comargs, " ");
215     strcat(comargs, *argv);
216     argv++;
217     argc--;
218     }
219     sprintf(command, XCOM, comargs);
220     if (condonly)
221     return(system(command));
222     else {
223     init(progname, geometry);
224     if ((fp = popen(command, "r")) == NULL)
225     error(SYSTEM, "cannot execute input filter");
226     plot(fp);
227     pclose(fp);
228     }
229     }
230    
231     if (!newpage)
232     endpage();
233    
234     return(0);
235     }