| 2 |
|
# SCCSid "$SunId$ LBL" |
| 3 |
|
# |
| 4 |
|
# Normalize a pattern for tiling (-b option blends edges) by removing |
| 5 |
< |
# lowest frequencies from image and reducing to standard size (-r option) |
| 5 |
> |
# lowest frequencies from image (-f option) and reducing to |
| 6 |
> |
# standard size (-r option) |
| 7 |
|
# |
| 8 |
+ |
set ha=$0 |
| 9 |
+ |
set ha=$ha:t |
| 10 |
|
set pf="pfilt -e 2" |
| 11 |
|
while ($#argv > 0) |
| 12 |
|
switch ($argv[1]) |
| 14 |
|
shift argv |
| 15 |
|
set pf="$pf -x $argv[1] -y $argv[1] -p 1" |
| 16 |
|
breaksw |
| 17 |
+ |
case -f: |
| 18 |
+ |
set ha="$ha -f" |
| 19 |
+ |
set dofsub |
| 20 |
+ |
breaksw |
| 21 |
|
case -b: |
| 22 |
+ |
set ha="$ha -b" |
| 23 |
|
set blend |
| 24 |
|
breaksw |
| 25 |
|
case -v: |
| 37 |
|
onintr quit |
| 38 |
|
set td=/usr/tmp/np$$ |
| 39 |
|
mkdir $td |
| 32 |
– |
set ha=$0 |
| 33 |
– |
set ha=$ha:t |
| 34 |
– |
if ( $?blend ) then |
| 35 |
– |
set ha="$ha -b" |
| 36 |
– |
else |
| 37 |
– |
mknod $td/hf p |
| 38 |
– |
endif |
| 40 |
|
cat > $td/coef.fmt << '_EOF_' |
| 41 |
|
rcx=${ $1 }; rcy=${ $2 }; rsx=${ $3 }; rsy=${ $4 }; |
| 42 |
|
rcxcy=${ $5 }; rcxsy=${ $6 }; rsxcy=${ $7 }; rsxsy=${ $8 }; |
| 83 |
|
q |
| 84 |
|
_EOF_ |
| 85 |
|
set resolu=`getinfo -d < $td/pf | sed 's/-Y \([0-9]*\) +X \([0-9]*\)/\2 \1/'` |
| 86 |
+ |
if ( ! $?dofsub ) then |
| 87 |
+ |
mv $td/pf $td/hf |
| 88 |
+ |
goto donefsub |
| 89 |
+ |
endif |
| 90 |
|
if ( $?verb ) then |
| 91 |
|
echo computing Fourier coefficients... |
| 92 |
|
endif |
| 98 |
|
cat $td/coef |
| 99 |
|
echo removing low frequencies... |
| 100 |
|
endif |
| 96 |
– |
if ( ! $?blend ) then |
| 97 |
– |
( getinfo - < $td/hf >> $f & ) > /dev/null |
| 98 |
– |
endif |
| 101 |
|
pcomb -f $td/fsub.cal -f $td/coef \ |
| 102 |
|
-e "xres=$resolu[1];yres=$resolu[2]" \ |
| 103 |
|
$td/pf > $td/hf |
| 104 |
+ |
donefsub: |
| 105 |
|
if ( $?blend ) then |
| 106 |
|
if ( $?verb ) then |
| 107 |
|
echo blending edges... |
| 128 |
|
$td/bottom $td/top > $td/top.patch |
| 129 |
|
pcompos $td/hflr 0 0 $td/bottom.patch 0 0 $td/top.patch 0 $mar \ |
| 130 |
|
| getinfo - >> $f |
| 131 |
+ |
else |
| 132 |
+ |
getinfo - < $td/hf >> $f |
| 133 |
|
endif |
| 134 |
|
if ( $?verb ) then |
| 135 |
|
echo $f done. |
