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root/radiance/ray/src/meta/primout.c
Revision: 1.2
Committed: Sat Nov 15 02:13:37 2003 UTC (20 years, 4 months ago) by schorsch
Content type: text/plain
Branch: MAIN
CVS Tags: rad5R4, rad5R2, rad4R2P2, rad5R0, rad5R1, rad3R7P2, rad3R7P1, rad4R2, rad4R1, rad4R0, rad3R6, rad3R6P1, rad3R8, rad3R9, rad4R2P1, rad5R3, HEAD
Changes since 1.1: +25 -19 lines
Log Message:
Continued ANSIfication, and reduced other compile warnings.

File Contents

# Content
1 #ifndef lint
2 static const char RCSid[] = "$Id: primout.c,v 1.1 2003/02/22 02:07:26 greg Exp $";
3 #endif
4 /*
5 * Routines for primitive output
6 *
7 * 1/10/85
8 */
9
10
11 #include "meta.h"
12
13
14 FILE *pout = NULL; /* the primitive output stream */
15
16
17 void
18 plseg( /* plot line segment */
19 int a0,
20 int xstart,
21 int ystart,
22 int xend,
23 int yend
24 )
25
26 {
27 PRIMITIVE p;
28 int reverse;
29
30 if (xstart < xend) {
31 p.xy[XMN] = xstart;
32 p.xy[XMX] = xend;
33 reverse = FALSE;
34 } else {
35 p.xy[XMN] = xend;
36 p.xy[XMX] = xstart;
37 reverse = TRUE;
38 }
39
40 if (ystart < yend) {
41 p.xy[YMN] = ystart;
42 p.xy[YMX] = yend;
43 } else {
44 p.xy[YMN] = yend;
45 p.xy[YMX] = ystart;
46 reverse = ystart > yend && !reverse;
47 }
48
49 p.com = PLSEG;
50 p.arg0 = (reverse << 6) | a0;
51 p.args = NULL;
52
53 writep(&p, pout);
54 }
55
56
57 void
58 pprim( /* print primitive */
59 int co,
60 int a0,
61 int xmin,
62 int ymin,
63 int xmax,
64 int ymax,
65 char *s
66 )
67
68 {
69 PRIMITIVE p;
70
71 p.com = co;
72 p.arg0 = a0;
73 p.xy[XMN] = xmin;
74 p.xy[YMN] = ymin;
75 p.xy[XMX] = xmax;
76 p.xy[YMX] = ymax;
77 p.args = s;
78
79 writep(&p, pout);
80
81 }
82
83
84
85 void
86 pglob( /* print global */
87 int co,
88 int a0,
89 char *s
90 )
91 {
92 PRIMITIVE p;
93
94 p.com = co;
95 p.arg0 = a0;
96 p.xy[XMN] = p.xy[YMN] = p.xy[XMX] = p.xy[YMX] = -1;
97 p.args = s;
98
99 writep(&p, pout);
100
101 }