mirror of
https://gitlab.com/kicad/code/kicad.git
synced 2024-11-27 10:10:25 +00:00
b8fc45b14d
This fixes metrics of U+1F98 (ᾘ) Fixes https://gitlab.com/kicad/code/kicad/-/issues/14398
345 lines
7.6 KiB
Awk
345 lines
7.6 KiB
Awk
#! /usr/bin/awk -f
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#
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# awk script to convert KiCAD font.
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BEGIN {
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fn_header = "font_header.cpp"
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while (getline line < fn_header)
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print line
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close(fn_header)
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missed = 0
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printstats = 1
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code0 = 82 # ascii code for R
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scale = 50
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base = 9
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fontend = ""
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symdef = "DEL"
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cap_height = -21
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x_height = -14
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sym_height = -16
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sup_offset = -13
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sub_offset = 6
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# transformations props
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# SX SY OY
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transf["!"] = "-1 +1 0" # revert
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transf["-"] = "+1 -1 "x_height # invert small
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transf["="] = "+1 -1 "cap_height # invert cap
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transf["~"] = "+1 -1 "sym_height # invert symbol
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transf["+"] = "-1 -1 "x_height # turn small
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transf["%"] = "-1 -1 "cap_height # turn cap
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transf["*"] = "-1 -1 "sym_height # turn symbol
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transf["^"] = "+1 +1 "sup_offset # superscript
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transf["`"] = "-1 +1 "sup_offset # superscript reversed
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transf["."] = "+1 +1 "sub_offset # subscript
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transf[","] = "-1 +1 "sub_offset # subscript reversed
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}
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function ntochar(x) {
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return sprintf("%c",x+code0)
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}
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function cname(glyph) {
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if(substr(glyph,1,1) in transf) {
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return substr(glyph,2)
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} else {
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return glyph
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}
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}
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function gsx(glyph, tr) {
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if(substr(glyph,1,1) in transf) {
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tr = transf[substr(glyph,1,1)]
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return 0+substr(tr,1,2)
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} else {
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return 1;
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}
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}
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function gsy(glyph, tr) {
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if(substr(glyph,1,1) in transf) {
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tr = transf[substr(glyph,1,1)]
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return 0+substr(tr,4,2)
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} else {
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return 1;
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}
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}
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function goy(glyph, tr) {
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#print "// "substr(glyph,1,1)
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if(substr(glyph,1,1) in transf) {
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tr = transf[substr(glyph,1,1)]
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return 0+substr(tr,7)
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} else {
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return 0;
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}
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}
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function graph(glyph, subst, ofx, ofy, sx, sy, cn, data, i, j, o, c) {
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if(subst=="")subst=symdef
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if(ofx=="") ofx = 0
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if(ofy=="") ofy = 0
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if(!(cname(glyph) in fontnst)) {
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print " /* glyph "glyph" not found!!! */"
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glyph = subst
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}
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sx = gsx(glyph)
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sy = gsy(glyph)
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ofy += goy(glyph) + base
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#print "/* g ofx="ofx" ofy="ofy" */"
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cn = cname(glyph)
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data = ""
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for(i = 0; i<fontnst[cn]; i++) {
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for(j = 0; j<fontsl[cn" "i]; j++) {
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c = ntochar(fontx[cn" "i" "j]*sx+ofx) ntochar(fonty[cn" "i" "j]*sy+ofy)
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if(c!=o) {
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if (j==0 && i>0)
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# A new stroke is started only when the previous one
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# ended at a point different from the starting point of this one.
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data = data " R"
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data = data c
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o = c
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}
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}
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}
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fontuse[cn] += 1
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return data
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}
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function metric(glyph, subst, sx, cn, ml, mr) {
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if(subst=="")subst=symdef
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if(!(cname(glyph) in fontnst)) glyph = subst
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sx = gsx(glyph)
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cn = cname(glyph)
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ml = sx<0?fontmr[cn]:fontml[cn]
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mr = sx<0?fontml[cn]:fontmr[cn]
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return ntochar(sx*ml) ntochar(sx*mr)
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}
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function metric2(glyph1, glyph2, ofx1, ofx2, subst, sx, cn, ml, mr) {
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if(subst=="")subst=symdef
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if(!(cname(glyph1) in fontnst)) glyph1 = subst
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sx1 = gsx(glyph1)
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cn1 = cname(glyph1)
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if(!(cname(glyph2) in fontnst)) glyph2 = subst
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sx2 = gsx(glyph2)
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cn2 = cname(glyph2)
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ml = sx1<0?fontmr[cn1]:fontml[cn1]
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mr = sx2<0?fontml[cn2]:fontmr[cn2]
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return ntochar(sx1*ml+ofx1) ntochar(sx2*mr+ofx2)
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}
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function dist(glyph1, glyph2, subst, sx, cn, ml, mr) {
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if(subst=="")subst=symdef
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if(!(cname(glyph1) in fontnst)) glyph1 = subst
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sx1 = gsx(glyph1)
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cn1 = cname(glyph1)
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if(!(cname(glyph2) in fontnst)) glyph2 = subst
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sx2 = gsx(glyph2)
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cn2 = cname(glyph2)
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return sx1*fontmr[cn1] - sx2*fontml[cn2]
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}
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function offsetx(char, accent, anchor, del, cc, ca, asx, csx) {
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if("" == anchor || "#" == anchor) return 0;
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del = index(anchor, "=")
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if(del) {
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cc = cname(char)" "substr(anchor,1,del-1)
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ca = cname(accent)" "substr(anchor,del+1)
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} else {
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cc = cname(char)" "anchor
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ca = cname(accent)" "anchor
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}
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if((cc in fontancx) && (ca in fontancx)) {
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asx = gsx(accent)
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csx = gsx(char)
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#print " /* ox="csx*fontancx[cc]-asx*fontancx[ca]" */"
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return csx*fontancx[cc]-asx*fontancx[ca]
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} else {
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return 0
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}
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}
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function offsety(char, accent, anchor, del, cc, ca, asy, csy, aoy, coy) {
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if("" == anchor || "#" == anchor) return 0;
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del = index(anchor, "=")
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#print " /* del="del" */"
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if(del) {
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cc = cname(char)" "substr(anchor,1,del-1)
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ca = cname(accent)" "substr(anchor,del+1)
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} else {
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cc = cname(char)" "anchor
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ca = cname(accent)" "anchor
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}
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if((cc in fontancy) && (ca in fontancy)) {
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asy = gsy(accent)
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csy = gsy(char)
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aoy = goy(accent)
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coy = goy(char)
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#print " /* oy="csy*fontancy[cc]+coy-asy*fontancy[ca]-aoy" */"
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return csy*fontancy[cc]+coy-asy*fontancy[ca]-aoy
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} else {
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print " /* anchor "(cc in fontancy?"":cc) (cc in fontancy||ca in fontancy?"":" and ") (ca in fontancy?"":ca)" not found! */"
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return 0
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}
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}
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function cesc(s) {
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gsub(/[\\"']/,"\\\\&",s)
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return s
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}
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function gaccent(b,g,anc,cx) {
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if(!(cname(g) in fontnst)) {
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missed += 1
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}
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if(anc=="" || anc=="#") anc=""
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ofx = offsetx(b,g,anc)
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ofy = offsety(b,g,anc)
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return " R"graph(g,accdef,cx+ofx,ofy)
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}
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function compose(cx, st) {
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if(!(cname($2) in fontnst)) {
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missed += 1
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}
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st = graph($2,symdef,cx,0)
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if($3!="" && $3!="#") {
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st = st gaccent($2,$3,$4,cx)
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ofx2 = ofx
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if($4!="#" && $5!="" && $5!="#") {
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st = st gaccent($2,$5,$6,cx)
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if($6!="#" && $7!="" && $7!="#") {
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st = st gaccent($2,$7,$8,cx)
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}
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}
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}
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return st
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}
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# parsing glyph library
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$1 == "DEF" {
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name = $2
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data = ""
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prepend = ""
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nst = 0
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xleft = 0
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xright = 0
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fontancx[name" -"] = 0
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fontancy[name" -"] = 0
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}
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$1 == "P" { # drawings
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n = $2*2+6
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# print "Poly of "$2
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data = data prepend
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data_rev = data_rev prepend
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ox = -100
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oy = -100
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j = 0
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for(i = 6; i<n; i+=2) {
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x = ($i)/scale
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y = -($(i+1))/scale
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#print "X: "x" Y: "y
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if(x!=ox || y!=oy) {
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data = data ntochar(x) ntochar(y+base)
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fontx[name" "nst" "j] = x
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fonty[name" "nst" "j] = y
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j++
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ox = x
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oy = y
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}
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}
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fontsl[name" "nst] = j
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nst++
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prepend = " R"
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}
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$1 == "X" { # i use pins as metric and anchors
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fontancx[name" "$2] = $4/scale
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fontancy[name" "$2] = -$5/scale
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if($4>0 && $2=="~" || $2=="S") {
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xright = $4/scale
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fontmr[name] = $4/scale
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# print "//Right:" xright
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} else if($4<=0 && $2=="~" || $2=="P") {
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xleft = $4/scale
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fontml[name] = $4/scale
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# print "//Left:" xleft
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}
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}
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$1 == "ENDDEF" {
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metr = ntochar(xleft) ntochar(xright)
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fontnst[name] = nst
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fontuse[name] = 0
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fi[name] = name
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}
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# parsing font index
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$1 == "font" {
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print fontend
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print "\n"
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print "const char* const "$2"[] ="
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print "{"
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fontend = "};\nconst int "$2"_bufsize = sizeof("$2")/sizeof("$2"[0]);\n"
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}
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$1 == "startchar" {
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codeno = $2
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}
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$1 == "+" || $1 == "+w" || $1 == "+p" {
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comx = 0
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rem = (codeno%16)?"":sprintf(" /* U+%X %s %s */", codeno, $2, $3)
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#print "// c "codeno
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codeno+=1
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str = compose()
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met = ("+w"==$1) ? metric2($2, $3, 0, ofx2) : ("+p"==$1) ? metric2($3, $2, ofx2, 0) : metric($2)
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print " \""cesc(met str) "\","rem
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}
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$1 == "+(" {
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comx = 0
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rem = (codeno%16)?"":sprintf(" /* U+%X %s %s */", codeno, $2, $3)
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#print "// c "codeno
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codeno+=1
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str = compose(comx)
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gf = $2
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gp = $2
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}
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$1 == "+|" {
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comx = comx + dist(gp, $2)
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#print "// "comx
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str = str " R" compose(comx)
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gp = $2
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}
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$1 == "+)" {
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comx = comx + dist(gp, $2)
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#print "// "comx
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str = str " R" compose(comx)
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met = metric2(gf, $2, 0, comx)
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print " \"" cesc(met str) "\","rem
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}
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$1 == "skipcodes" {
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#print " // skip "$2
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skipper = codeno > 0x9000 ? "0" : symdef
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for(i = 0; i<$2; i++) {
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print " \""cesc(metric(skipper) graph(skipper))"\"," ((codeno%16)?"":sprintf(" /* U+%X */", codeno))
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codeno += 1
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}
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}
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$1 == "//" {
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print " /* "$0" */"
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}
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$1 == "stats" {
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printstats = $2
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}
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END {
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print fontend
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if(printstats) {
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if(missed>0) print "/* Missed glyphs: " missed " */"
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print "/* --- unused glyphs --- */"
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PROCINFO["sorted_in"] = "@val_str_asc"
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for(f in fi) {
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if(0==fontuse[f]) print "/* "f" */"
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}
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}
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}
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