47 |
|
vmarg = DEFMARG; /* horizontal and vertical margins */ |
48 |
|
double width = DEFWIDTH, |
49 |
|
height = DEFHEIGHT; /* default paper width and height */ |
50 |
+ |
double dpi = 0; /* print density (0 if unknown) */ |
51 |
|
int docolor = 0; /* produce color image? */ |
52 |
|
int bradj = 0; /* brightness adjustment */ |
53 |
|
int ncopies = 1; /* number of copies */ |
58 |
|
|
59 |
|
char *progname; |
60 |
|
|
61 |
< |
int xmax, ymax; |
61 |
> |
int xmax, ymax; /* input image dimensions */ |
62 |
|
|
63 |
|
extern char *malloc(); |
64 |
|
extern double unit2inch(); |
104 |
|
case 'C': /* compressed ASCII encoding */ |
105 |
|
putprim = Cputprim; |
106 |
|
break; |
107 |
+ |
case 'd': /* print density */ |
108 |
+ |
dpi = atof(argv[++i]); |
109 |
+ |
break; |
110 |
|
case 'g': /* device gamma adjustment */ |
111 |
|
devgam = atof(argv[++i]); |
112 |
|
break; |
178 |
|
exit(0); |
179 |
|
userr: |
180 |
|
fprintf(stderr, |
181 |
< |
"Usage: %s [-b|c][-A|B|C][-e +/-stops][-p paper][-m[h|v] margin][-g gamma] [input [output]]\n", |
181 |
> |
"Usage: %s [-b|c][-A|B|C][-e +/-stops][-p paper][-m[h|v] margin][-d dpi][-g gamma] [input [output]]\n", |
182 |
|
progname); |
183 |
|
exit(1); |
184 |
|
} |
293 |
|
char *name; |
294 |
|
{ |
295 |
|
char *rstr; |
296 |
< |
int landscape = 0; |
296 |
> |
int landscape, rotate, n; |
297 |
|
double pwidth, pheight; |
298 |
|
double iwidth, iheight; |
299 |
|
/* EPS comments */ |
305 |
|
puts("%%Orientation: Landscape"); |
306 |
|
else |
307 |
|
puts("%%Orientation: Portrait"); |
308 |
< |
if (PWIDTH > PHEIGHT ^ landscape) { |
308 |
> |
if (rotate = PWIDTH > PHEIGHT ^ landscape) { |
309 |
|
pwidth = PHEIGHT; |
310 |
|
pheight = PWIDTH; |
311 |
|
} else { |
312 |
|
pwidth = PWIDTH; |
313 |
|
pheight = PHEIGHT; |
314 |
|
} |
315 |
< |
if (pheight/pwidth > pixaspect*ymax/xmax) { |
316 |
< |
iwidth = pwidth; |
317 |
< |
iheight = pwidth*pixaspect*ymax/xmax; |
318 |
< |
} else { |
319 |
< |
iheight = pheight; |
320 |
< |
iwidth = pheight*xmax/(pixaspect*ymax); |
321 |
< |
} |
322 |
< |
if (pwidth == PHEIGHT) |
315 |
> |
if (dpi > 100 && pixaspect >= 0.99 & pixaspect <= 1.01) |
316 |
> |
if (pheight/pwidth > ymax/xmax) { |
317 |
> |
n = pwidth*dpi/xmax; /* floor */ |
318 |
> |
iwidth = n > 0 ? (double)(n*xmax)/dpi : pwidth; |
319 |
> |
iheight = iwidth*ymax/xmax; |
320 |
> |
} else { |
321 |
> |
n = pheight*dpi/ymax; /* floor */ |
322 |
> |
iheight = n > 0 ? (double)(n*ymax)/dpi : pheight; |
323 |
> |
iwidth = iheight*xmax/ymax; |
324 |
> |
} |
325 |
> |
else |
326 |
> |
if (pheight/pwidth > pixaspect*ymax/xmax) { |
327 |
> |
iwidth = pwidth; |
328 |
> |
iheight = iwidth*pixaspect*ymax/xmax; |
329 |
> |
} else { |
330 |
> |
iheight = pheight; |
331 |
> |
iwidth = iheight*xmax/(pixaspect*ymax); |
332 |
> |
} |
333 |
> |
if (rotate) |
334 |
|
printf("%%%%BoundingBox: %.0f %.0f %.0f %.0f\n", |
335 |
|
HMARGIN+(pheight-iheight)*.5, |
336 |
|
VMARGIN+(pwidth-iwidth)*.5, |
357 |
|
PSprocdef("read6bitRLE"); |
358 |
|
/* set up transformation matrix */ |
359 |
|
printf("%f %f translate\n", HMARGIN, VMARGIN); |
360 |
< |
if (pwidth == PHEIGHT) { |
360 |
> |
if (rotate) { |
361 |
|
printf("%f 0 translate\n", PWIDTH); |
362 |
|
puts("90 rotate"); |
363 |
|
} |