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#! /bin/sh
#
# Regeneration of index files.
if [ -z "$1" ]; then
cat <<@
This script transforms a ps circuit file produced by xcircuit to
the WIMS data file.
Usage: ./ps2data inputfile
Note. In the ps file, a acsource or npn symbol means a component to be
filled. The text string XXX means the annotation of the
nearest component. Use the tap to delimite the drawing zone
which must start by the center (0,0) and goes up and left.
The first component of a pair should be drawn in red.
Each grid in xcircuit is equivant to 0.5 in WIMS data file.
Texts with negative coordinates will be ignored, except if it
starts with the string "DESC: ". In which case the rest of
the string will be come the description.
Fixed wires must be put on width 3. Component-dependent dynamic wires
should have width < 3, with no turns and no ending dots, and should
go (overlay) into the component.
The only allowed components are dot, acsource, npn, pnp.
@
exit
fi
if [ -n "$w_module" ]; then
echo "This script is to be used manually. It should not be run by WIMS."
exit
fi
inp=$1
[ -f "$inp" ] || inp=$1.ps
[ -f "$inp" ] || exit
current=`pwd`
cd `dirname $0`
homedir=`pwd`
tmpdir=/tmp
cd $current
# Translation size factor
sf=64
header=$tmpdir/circ-header.ps1
tail=$tmpdir/circ-tail.ps1
rm -f $tmpdir/circ-* $2
awk 'BEGIN {a=0};
a==1 && length==0 {a++; next};
a==2 && /^pgsave/ {a++;};
/^%%Page: 1/ {a=1};
a<2 {print >"'$header'"};
a==2 && NF>0 {if($NF ~ /dot|polygon|label|acsource|tap|npn|pnp|scb|sce/) print;
else printf "%s ",$0};
a>2 {print >"'$tail'"};
' $inp |\
awk 'BEGIN {xrange=yrange=ccnt=tcnt=ext=0;sf='$sf';
pcnt=0; ppcnt=0; pairer=0; wiring=""; dots=""; pairlist="";
};
END {
for(i=0;i<ccnt;i++) for(j=i+1;j<ccnt;j++) {
if(x[i]>x[j] || (x[i]==x[j] && y[i]<y[j])) {
t=x[i]; x[i]=x[j]; x[j]=t;
t=y[i]; y[i]=y[j]; y[j]=t;
t=o[i]; o[i]=o[j]; o[j]=t;
}
}
for(p=0;p<pcnt;p++) {
for(i=0;i<ccnt-1;i++) {
if(op[p]==1 && x[i]==xp[p] && y[i]==yp[p]+96) break;
if(op[p]==0 && x[i]==xp[p]-96 && y[i]==yp[p]) break;
}
if(i>=ccnt-1) continue;
if(op[p]==1) {
if(x[i+1]!=xp[p] || y[i+1]!=yp[p]-96) continue;
}
else {
for(j=i+1;j<ccnt && (x[j]!=xp[p]+96 || y[j]!=yp[p]);j++);
if(j>=ccnt) continue;
if(j>i+1) {
xm=x[j];ym=y[j];om=o[j];
for(k=i+1;k<j;k++) {
x[k+1]=x[k];
y[k+1]=y[k];
o[k+1]=o[k];
}
x[i+1]=xm; y[i+1]=ym; o[i+1]=om;
}
}
pair[ppcnt]=i; ppcnt++;
}
pairlist=""; if(ppcnt>0) {
pp="";
for(i=0;i<ppcnt;i++) pp=pp sprintf(",%d",pair[i]+1);
pairlist=sprintf("(%s)",substr(pp,2));
}
printf "%d\n",ccnt >"/dev/stderr";
print "\nGenerated from xcircuit ps file.\n"
printf ":%s\n\n", desc;
printf ":%d,%d,%d,%s\n",xrange/sf,yrange/sf,ccnt,pairlist;
for(i=0;i<ccnt;i++) xtt[i]=ytt[i]=-sf;
printf ":";
for(i=0;i<tcnt;i++) {
dist=160; meet=-1;
for(j=0;j<ccnt;j++) {
d=sqrt((xt[i]+50-x[j])*(xt[i]+50-x[j])+(yt[i]-15-y[j])*(yt[i]-15-y[j]));
if(d<dist) {dist=d; meet=j;}
}
if(meet>=0) {
xtt[meet]=xt[i];
ytt[meet]=yt[i];
}
}
for(i=0;i<ccnt;i++) {
printf("%g,%g,%g,%g,%d",
x[i]/sf,y[i]/sf,xtt[i]/sf,ytt[i]/sf,o[i]);
for(j=0;j<ext;j++) {
if(o[i]!=oe[j]) continue;
if(o[i]==0) {
if(ye1[j]!=y[i]) continue;
e1=xe1[j]-x[i]; if(e1<0) e1=-e1;
e2=xe2[j]-x[i]; if(e2<0) e2=-e2;
if(e1>e2) {ee=e1; e1=e2; e2=ee;}
if(e1>=sf) continue;
if(xe1[j]<x[i]) e2=-e2;
printf(",%g",e2/sf);
}
if(o[i]==1) {
if(xe1[j]!=x[i]) continue;
e1=ye1[j]-y[i]; if(e1<0) e1=-e1;
e2=ye2[j]-y[i]; if(e2<0) e2=-e2;
if(e1>e2) {ee=e1; e1=e2; e2=ee;}
if(e1>=sf) continue;
if(ye1[j]<y[i]) e2=-e2;
printf(",%g",e2/sf);
}
}
printf("\n");
}
printf "\n:%s\n",wiring;
printf ":%s\n",substr(dots,2);
};
$NF == "scb" && $1 == 1 && $2 == 0 && $3 == 0 {pairer=1; next};
$NF=="polygon" && $2==3 {
if($(NF-1)==2) {
if(pairer==1) {
xp[pcnt]=($3+$5)/2;
yp[pcnt]=($4+$6)/2;
if($4==$6) op[pcnt]=0; else op[pcnt]=1;
pcnt++;
}
else wiring=wiring sprintf("segment %g,%g,%g,%g,_color_\n",
$3/sf,$4/sf,$5/sf,$6/sf);
}
else {wiring=wiring "polyline _color_";
for(i=3;i<=NF-2;i++) wiring=wiring sprintf(",%g",$i/sf);
wiring=wiring "\n";
}
next};
$NF=="polygon" && $2<3 && $(NF-1)==2 {
oe[ext]=-1;
if($3==$5) oe[ext]=1;
else if($4==$6) oe[ext]=0;
xe1[ext]=$3;xe2[ext]=$5;
ye1[ext]=$4;ye2[ext]=$6;
ext++; next};
$NF == "sce" {pairer=0; next;};
$NF ~ /acsource|npn|pnp/ {
if(($2%180)==90) r=0; else r=1;
x[ccnt]=$3; y[ccnt]=$4; o[ccnt]=r;
ccnt++;
next};
$NF=="label" && $1 ~ /^\(DESC:/ {
l=length($0); desc=""; aa=0;
for(i=7; i<l; i++) {
c=substr($0,i,1);
if(aa==0 && c==" ") continue;
aa++;
if(c==")") break;
if(c=="\\") {i++; c=substr($0,i,1);}
desc=desc c;
}
next};
$NF=="label" && ($(NF-1) < 0 || $(NF-2) < 0) {next};
$NF=="label" && $1=="(XXX)" {
xt[tcnt]=$(NF-2); yt[tcnt]=$(NF-1)+32;
tcnt++; next};
$NF=="label" && /^\(/ {
l=length($0); text="";
for(i=2; i<l; i++) {
c=substr($0,i,1);
if(c==")") break;
if(c=="\\") {i++; c=substr($0,i,1);}
text=text c;
}
wiring=wiring sprintf("text _color_,%g,%g,$slib_textsize,%s\n",
$(NF-2)/sf,($(NF-1)+32)/sf,text);
}
$NF=="tap" {if(xrange<$(NF-2)) xrange=$(NF-2);
if(yrange<$(NF-1)) yrange=$(NF-1); next};
$NF=="dot" {
dots=dots sprintf(",%g,%g",$3/sf,$4/sf);
next};'