Commit | Line | Data |
---|---|---|
fbaebb89 TL |
1 | /* tv.c: draw vertical lines */ |
2 | # include "t..c" | |
3 | drawvert(start,end, c, lwid) | |
4 | { | |
5 | char *exb=0, *ext=0; | |
6 | int tp=0, sl, ln, pos, epb, ept, vm; | |
7 | end++; | |
8 | vm='v'; | |
9 | /* note: nr 35 has value of 1m outside of linesize */ | |
10 | while (instead[end]) end++; | |
11 | for(ln=0; ln<lwid; ln++) | |
12 | { | |
13 | epb=ept=0; | |
14 | pos = 2*ln-lwid+1; | |
15 | if (pos!=tp) fprintf(tabout, "\\h'%dp'", pos-tp); | |
16 | tp = pos; | |
17 | if (end<nlin) | |
18 | { | |
19 | if (fullbot[end]|| (!instead[end] && allh(end))) | |
20 | epb=2; | |
21 | else | |
22 | switch (midbar(end,c)) | |
23 | { | |
24 | case '-': | |
25 | exb = "1v-.5m"; break; | |
26 | case '=': | |
27 | exb = "1v-.5m"; | |
28 | epb = 1; break; | |
29 | } | |
30 | } | |
31 | if (lwid>1) | |
32 | switch(interh(end, c)) | |
33 | { | |
34 | case THRU: epb -= 1; break; | |
35 | case RIGHT: epb += (ln==0 ? 1 : -1); break; | |
36 | case LEFT: epb += (ln==1 ? 1 : -1); break; | |
37 | } | |
38 | if (lwid==1) | |
39 | switch(interh(end,c)) | |
40 | { | |
41 | case THRU: epb -= 1; break; | |
42 | case RIGHT: case LEFT: epb += 1; break; | |
43 | } | |
44 | if (start>0) | |
45 | { | |
46 | sl = start-1; | |
47 | while (sl>=0 && instead[sl]) sl--; | |
48 | if (sl>=0 && (fullbot[sl] || allh(sl))) | |
49 | ept=0; | |
50 | else | |
51 | if (sl>=0) | |
52 | switch(midbar(sl,c)) | |
53 | { | |
54 | case '-': | |
55 | ext = ".5m"; break; | |
56 | case '=': | |
57 | ext= ".5m"; ept = -1; break; | |
58 | default: | |
59 | vm = 'm'; break; | |
60 | } | |
61 | else | |
62 | ept = -4; | |
63 | } | |
64 | else if (start==0 && allh(0)) | |
65 | { | |
66 | ept=0; | |
67 | vm = 'm'; | |
68 | } | |
69 | if (lwid>1) | |
70 | switch(interh(start,c)) | |
71 | { | |
72 | case THRU: ept += 1; break; | |
73 | case LEFT: ept += (ln==0 ? 1 : -1); break; | |
74 | case RIGHT: ept += (ln==1 ? 1 : -1); break; | |
75 | } | |
76 | else if (lwid==1) | |
77 | switch(interh(start,c)) | |
78 | { | |
79 | case THRU: ept += 1; break; | |
80 | case LEFT: case RIGHT: ept -= 1; break; | |
81 | } | |
82 | if (exb) | |
83 | fprintf(tabout, "\\v'%s'", exb); | |
84 | if (epb) | |
85 | fprintf(tabout, "\\v'%dp'", epb); | |
86 | fprintf(tabout, "\\s\\n(%d",LSIZE); | |
87 | if (linsize) | |
88 | fprintf(tabout, "\\v'-\\n(%dp/6u'", LSIZE); | |
89 | fprintf(tabout, "\\h'-\\n(#~u'"); /* adjustment for T450 nroff boxes */ | |
90 | fprintf(tabout, "\\L'|\\n(#%cu-%s", linestop[start]+'a'-1, vm=='v'? "1v" : "\\n(35u"); | |
91 | if (ext) | |
92 | fprintf(tabout, "-(%s)",ext); | |
93 | if (exb) | |
94 | fprintf(tabout, "-(%s)", exb); | |
95 | pos = ept-epb; | |
96 | if (pos) | |
97 | fprintf(tabout, "%s%dp", pos>=0? "+" : "", pos); | |
98 | /* the string #d is either "nl" or ".d" depending | |
99 | on diversions; on GCOS not the same */ | |
100 | fprintf(tabout, "'\\s0\\v'\\n(\\*(#du-\\n(#%cu+%s", linestop[start]+'a'-1,vm=='v' ? "1v" : "\\n(35u"); | |
101 | if (ext) | |
102 | fprintf(tabout, "+%s",ext); | |
103 | if (ept) | |
104 | fprintf(tabout, "%s%dp", (-ept)>0 ? "+" : "", (-ept)); | |
105 | fprintf(tabout, "'"); | |
106 | if (linsize) | |
107 | fprintf(tabout, "\\v'\\n(%dp/6u'", LSIZE); | |
108 | } | |
109 | } | |
110 | ||
111 | ||
112 | midbar(i,c) | |
113 | { | |
114 | int k; | |
115 | k = midbcol(i,c); | |
116 | if (k==0 && c>0) | |
117 | k = midbcol(i, c-1); | |
118 | return(k); | |
119 | } | |
120 | midbcol(i,c) | |
121 | { | |
122 | int ct; | |
123 | while ( (ct=ctype(i,c)) == 's') | |
124 | c--; | |
125 | if (ct=='-' || ct == '=') | |
126 | return(ct); | |
127 | if (ct=barent(table[i][c].col)) | |
128 | return(ct); | |
129 | return(0); | |
130 | } | |
131 | ||
132 | barent(s) | |
133 | char *s; | |
134 | { | |
135 | if (s==0) return (1); | |
136 | if (s[0]== '\\') s++; | |
137 | if (s[1]!= 0) | |
138 | return(0); | |
139 | switch(s[0]) | |
140 | { | |
141 | case '_': | |
142 | return('-'); | |
143 | case '=': | |
144 | return('='); | |
145 | } | |
146 | return(0); | |
147 | } |