18 |
|
#define NROWS 1440 /* 10" at 144 dpi */ |
19 |
|
#define NCOLS 960 /* 8" at 120 dpi */ |
20 |
|
|
21 |
+ |
#define ASPECT (120./144.) /* pixel aspect ratio */ |
22 |
+ |
|
23 |
+ |
#define FILTER "pfilt -1 -x %d -y %d -p %f %s",NCOLS,NROWS,ASPECT |
24 |
+ |
|
25 |
|
/* |
26 |
|
* Subtractive primaries are ordered: Yellow, Magenta, Cyan. |
27 |
|
*/ |
36 |
|
|
37 |
|
long lpat[NCOLS][3]; |
38 |
|
|
39 |
+ |
int dofilter = 0; /* filter through pfilt first? */ |
40 |
|
|
41 |
+ |
|
42 |
|
main(argc, argv) |
43 |
|
int argc; |
44 |
|
char *argv[]; |
45 |
|
{ |
46 |
|
int i, status = 0; |
47 |
|
|
48 |
+ |
if (argc > 1 && !strcmp(argv[1], "-p")) { |
49 |
+ |
dofilter++; |
50 |
+ |
argv++; argc--; |
51 |
+ |
} |
52 |
|
if (argc < 2) |
53 |
|
status = printp(NULL) == -1; |
54 |
|
else |
61 |
|
printp(fname) /* print a picture */ |
62 |
|
char *fname; |
63 |
|
{ |
64 |
+ |
char buf[64]; |
65 |
|
FILE *input; |
66 |
|
int xres, yres; |
67 |
|
COLR scanline[NCOLS]; |
68 |
|
int i; |
69 |
|
|
70 |
< |
if (fname == NULL) { |
70 |
> |
if (dofilter) { |
71 |
> |
if (fname == NULL) |
72 |
> |
fname = ""; |
73 |
> |
sprintf(buf, FILTER, fname); |
74 |
> |
if ((input = popen(buf, "r")) == NULL) { |
75 |
> |
fprintf(stderr, "Cannot execute: %s\n", buf); |
76 |
> |
return(-1); |
77 |
> |
} |
78 |
> |
fname = buf; |
79 |
> |
} else if (fname == NULL) { |
80 |
|
input = stdin; |
81 |
|
fname = "<stdin>"; |
82 |
|
} else if ((input = fopen(fname, "r")) == NULL) { |
101 |
|
fputs("\0333\042", stdout); |
102 |
|
/* clear line buffer */ |
103 |
|
clearlbuf(); |
104 |
+ |
#ifdef _IOLBF |
105 |
+ |
stdout->_flag &= ~_IOLBF; |
106 |
+ |
#endif |
107 |
|
/* put out scanlines */ |
108 |
|
for (i = yres-1; i >= 0; i--) { |
109 |
|
if (freadcolrs(scanline, xres, input) < 0) { |
116 |
|
/* advance page */ |
117 |
|
putchar('\f'); |
118 |
|
|
119 |
< |
fclose(input); |
119 |
> |
if (dofilter) |
120 |
> |
pclose(input); |
121 |
> |
else |
122 |
> |
fclose(input); |
123 |
|
|
124 |
|
return(0); |
125 |
|
} |
159 |
|
putchar('\r'); |
160 |
|
} |
161 |
|
putchar('\n'); |
162 |
+ |
fflush(stdout); |
163 |
|
} |
164 |
|
} |
165 |
|
|