| 1 |
< |
/* Copyright (c) 1991 Regents of the University of California */ |
| 1 |
> |
/* Copyright (c) 1992 Regents of the University of California */ |
| 2 |
|
|
| 3 |
|
#ifndef lint |
| 4 |
|
static char SCCSid[] = "$SunId$ LBL"; |
| 66 |
|
int maxwidth; /* maximum line width (dvi) */ |
| 67 |
|
|
| 68 |
|
extern char *getenv(); |
| 69 |
– |
extern char *malloc(), *calloc(); |
| 69 |
|
|
| 70 |
|
|
| 71 |
|
main(argc, argv) |
| 109 |
|
goto unkopt; |
| 110 |
|
} |
| 111 |
|
break; |
| 112 |
+ |
case 'x': /* x resolution */ |
| 113 |
+ |
xsiz = atoi(argv[++an])*SSS; |
| 114 |
+ |
break; |
| 115 |
+ |
case 'y': |
| 116 |
+ |
ysiz = atoi(argv[++an])*SSS; |
| 117 |
+ |
break; |
| 118 |
|
case 'h': /* height of characters */ |
| 119 |
|
cheight = atoi(argv[++an])*SSS; |
| 120 |
|
break; |
| 157 |
|
|
| 158 |
|
makemap() /* create the bit map */ |
| 159 |
|
{ |
| 160 |
< |
cwidth = cheight/aspect + 0.5; |
| 160 |
> |
double pictaspect; |
| 161 |
> |
|
| 162 |
|
if (direct == 'r' || direct == 'l') { |
| 163 |
< |
xsiz = (long)maxwidth*cwidth >> 8; |
| 164 |
< |
ysiz = nlines*cheight; |
| 163 |
> |
if (xsiz <= 0) { |
| 164 |
> |
cwidth = cheight/aspect + 0.5; |
| 165 |
> |
xsiz = (long)maxwidth*cwidth >> 8; |
| 166 |
> |
ysiz = nlines*cheight; |
| 167 |
> |
} else if (aspect > FTINY) { |
| 168 |
> |
if (ysiz <= 0) |
| 169 |
> |
ysiz = cheight*nlines; |
| 170 |
> |
pictaspect = 256*nlines*aspect/maxwidth; |
| 171 |
> |
if (pictaspect*xsiz < ysiz) |
| 172 |
> |
ysiz = pictaspect*xsiz + 0.5; |
| 173 |
> |
else |
| 174 |
> |
xsiz = ysiz/pictaspect + 0.5; |
| 175 |
> |
cheight = ysiz/nlines; |
| 176 |
> |
cwidth = cheight/aspect + 0.5; |
| 177 |
> |
} else { |
| 178 |
> |
if (ysiz <= 0) |
| 179 |
> |
ysiz = cheight*nlines; |
| 180 |
> |
pictaspect = (double)ysiz/xsiz; |
| 181 |
> |
aspect = pictaspect*maxwidth/(256*nlines); |
| 182 |
> |
cheight = ysiz/nlines; |
| 183 |
> |
cwidth = cheight/aspect + 0.5; |
| 184 |
> |
} |
| 185 |
|
} else { /* reverse orientation */ |
| 186 |
< |
xsiz = nlines*cheight; |
| 187 |
< |
ysiz = (long)maxwidth*cwidth >> 8; |
| 186 |
> |
if (ysiz <= 0) { |
| 187 |
> |
cwidth = cheight/aspect + 0.5; |
| 188 |
> |
xsiz = nlines*cheight; |
| 189 |
> |
ysiz = (long)maxwidth*cwidth >> 8; |
| 190 |
> |
} else if (aspect > FTINY) { |
| 191 |
> |
if (xsiz <= 0) |
| 192 |
> |
xsiz = cheight*nlines; |
| 193 |
> |
pictaspect = maxwidth/(256*nlines*aspect); |
| 194 |
> |
if (pictaspect*xsiz < ysiz) |
| 195 |
> |
ysiz = pictaspect*xsiz + 0.5; |
| 196 |
> |
else |
| 197 |
> |
xsiz = ysiz/pictaspect + 0.5; |
| 198 |
> |
cheight = xsiz/nlines; |
| 199 |
> |
cwidth = cheight/aspect + 0.5; |
| 200 |
> |
} else { |
| 201 |
> |
if (xsiz <= 0) |
| 202 |
> |
xsiz = cheight*nlines; |
| 203 |
> |
pictaspect = (double)ysiz/xsiz; |
| 204 |
> |
aspect = maxwidth/(256*nlines*pictaspect); |
| 205 |
> |
cheight = xsiz/nlines; |
| 206 |
> |
cwidth = cheight/aspect + 0.5; |
| 207 |
> |
} |
| 208 |
|
} |
| 209 |
|
if (xsiz % SSS) |
| 210 |
|
xsiz += SSS - xsiz%SSS; |
| 211 |
|
if (ysiz % SSS) |
| 212 |
|
ysiz += SSS - ysiz%SSS; |
| 213 |
|
xdim = (xsiz+7)/8; |
| 214 |
< |
ourbitmap = (BYTE *)calloc(ysiz, xdim); |
| 214 |
> |
ourbitmap = (BYTE *)bmalloc(ysiz*xdim); |
| 215 |
|
if (ourbitmap == NULL) |
| 216 |
|
error(SYSTEM, "Out of memory in makemap"); |
| 217 |
+ |
bzero((char *)ourbitmap, ysiz*xdim); |
| 218 |
|
} |
| 219 |
|
|
| 220 |
|
|
