| 129 |
|
fputs(input[nfiles].name, stdout); |
| 130 |
|
fputs(":\n", stdout); |
| 131 |
|
getheader(input[nfiles].fp, tputs); |
| 132 |
< |
if (fscanf(input[nfiles].fp, "-Y %d +X %d\n", &ypos, &xpos) != 2) { |
| 132 |
> |
if (fgetresolu(&xpos, &ypos, input[nfiles].fp) != |
| 133 |
> |
(YMAJOR|YDECR)) { |
| 134 |
|
eputs(input[nfiles].name); |
| 135 |
|
eputs(": bad picture size\n"); |
| 136 |
|
quit(1); |
| 148 |
|
} |
| 149 |
|
printargs(argc, argv, stdout); |
| 150 |
|
putchar('\n'); |
| 151 |
< |
printf("-Y %d +X %d\n", yres, xres); |
| 151 |
> |
fputresolu(YMAJOR|YDECR, xres, yres, stdout); |
| 152 |
|
combine(); |
| 153 |
|
quit(0); |
| 154 |
|
usage: |
| 161 |
|
|
| 162 |
|
combine() /* combine pictures */ |
| 163 |
|
{ |
| 164 |
< |
int coldef[3]; |
| 164 |
> |
EPNODE *coldef[3]; |
| 165 |
|
COLOR *scanout; |
| 166 |
|
register int i, j; |
| 167 |
|
/* check defined variables */ |
| 168 |
< |
for (j = 0; j < 3; j++) |
| 169 |
< |
coldef[j] = vardefined(vcolout[j]); |
| 168 |
> |
for (j = 0; j < 3; j++) { |
| 169 |
> |
if (vardefined(vcolout[j])) |
| 170 |
> |
coldef[j] = eparse(vcolout[j]); |
| 171 |
> |
else |
| 172 |
> |
coldef[j] = NULL; |
| 173 |
> |
} |
| 174 |
|
/* allocate scanline */ |
| 175 |
|
scanout = (COLOR *)emalloc(xres*sizeof(COLOR)); |
| 176 |
|
/* combine files */ |
| 185 |
|
for (xpos = 0; xpos < xres; xpos++) { |
| 186 |
|
varset(vxpos, (double)xpos); |
| 187 |
|
eclock++; |
| 188 |
< |
for (j = 0; j < 3; j++) |
| 189 |
< |
if (coldef[j]) { |
| 188 |
> |
for (j = 0; j < 3; j++) { |
| 189 |
> |
if (coldef[j] != NULL) { |
| 190 |
|
colval(scanout[xpos],j) = |
| 191 |
< |
varvalue(vcolout[j]); |
| 187 |
< |
if (colval(scanout[xpos],j) < 0.0) |
| 188 |
< |
colval(scanout[xpos],j) = 0.0; |
| 191 |
> |
evalue(coldef[j]); |
| 192 |
|
} else { |
| 193 |
|
colval(scanout[xpos],j) = 0.0; |
| 194 |
|
for (i = 0; i < nfiles; i++) |
| 196 |
|
colval(input[i].coef,j) * |
| 197 |
|
colval(input[i].scan[xpos],j); |
| 198 |
|
} |
| 199 |
+ |
if (colval(scanout[xpos],j) < 0.0) |
| 200 |
+ |
colval(scanout[xpos],j) = 0.0; |
| 201 |
+ |
} |
| 202 |
|
} |
| 203 |
|
if (fwritescan(scanout, xres, stdout) < 0) { |
| 204 |
|
eputs("write error\n"); |