1 /*
2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
3 * Use is subject to license terms.
4 */
5
6 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
7 /* All Rights Reserved */
8
9 /*
10 * Copyright (c) 1980 Regents of the University of California.
11 * All rights reserved. The Berkeley software License Agreement
12 * specifies the terms and conditions for redistribution.
13 */
14
15 #pragma ident "%Z%%M% %I% %E% SMI"
16
17 #include "e.h"
18
19 void
column(int type,int p1)20 column(int type, int p1)
21 {
22 int i;
23
24 lp[p1] = ct - p1 - 1;
25 if (dbg) {
26 printf(".\t%d column of", type);
27 for (i = p1 + 1; i < ct; i++)
28 printf(" S%d", lp[i]);
29 printf(", rows=%d\n", lp[p1]);
30 }
31 lp[ct++] = type;
32 }
33
34 void
matrix(int p1)35 matrix(int p1)
36 {
37 int nrow, ncol, i, j, k, hb, b, val[100];
38 char *space;
39
40 space = "\\ \\ ";
41 nrow = lp[p1]; /* disaster if rows inconsistent */
42 ncol = 0;
43 for (i = p1; i < ct; i += lp[i] + 2) {
44 ncol++;
45 if (dbg) printf(".\tcolct=%d\n", lp[i]);
46 }
47 for (k = 1; k <= nrow; k++) {
48 hb = b = 0;
49 j = p1 + k;
50 for (i = 0; i < ncol; i++) {
51 hb = max(hb, eht[lp[j]]-ebase[lp[j]]);
52 b = max(b, ebase[lp[j]]);
53 j += nrow + 2;
54 }
55 if (dbg) printf(".\trow %d: b=%d, hb=%d\n", k, b, hb);
56 j = p1 + k;
57 for (i = 0; i < ncol; i++) {
58 ebase[lp[j]] = b;
59 eht[lp[j]] = b + hb;
60 j += nrow + 2;
61 }
62 }
63 j = p1;
64 for (i = 0; i < ncol; i++) {
65 lpile(lp[j+lp[j]+1], j+1, j+lp[j]+1);
66 val[i] = yyval;
67 j += nrow + 2;
68 }
69 yyval = oalloc();
70 eht[yyval] = eht[val[0]];
71 ebase[yyval] = ebase[val[0]];
72 lfont[yyval] = rfont[yyval] = 0;
73 if (dbg)
74 printf(".\tmatrix S%d: r=%d, c=%d, h=%d, b=%d\n",
75 yyval, nrow, ncol, eht[yyval], ebase[yyval]);
76 printf(".ds %d \"", yyval);
77 for (i = 0; i < ncol; i++) {
78 printf("\\*(%d%s", val[i], i == ncol-1 ? "" : space);
79 ofree(val[i]);
80 }
81 printf("\n");
82 ct = p1;
83 }
84