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Diffstat (limited to 'tex/context/base/s-fnt-23.mkiv')
| -rw-r--r-- | tex/context/base/s-fnt-23.mkiv | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/tex/context/base/s-fnt-23.mkiv b/tex/context/base/s-fnt-23.mkiv new file mode 100644 index 000000000..35973d27e --- /dev/null +++ b/tex/context/base/s-fnt-23.mkiv @@ -0,0 +1,271 @@ +%D \module +%D [ file=s-fnt-23, +%D version=2009.03.04, +%D title=\CONTEXT\ Style File, +%D subtitle=Tracing Feature Application (3), +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA / Hans Hagen \& Ton Otten}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +% last_data was written wrong so it needs checking + +\startluacode + local last_data = nil + local format = string.format + function fonts.otf.show_shape(n) + local tfmdata = fonts.identifiers[font.current()] + last_data = tfmdata + local charnum = tonumber(n) + if not charnum then + charnum = tfmdata.unicodes[n] + end + local c = tfmdata.characters[charnum] + local d = tfmdata.descriptions[charnum] + if d then + local factor = (tfmdata.size/tfmdata.units)*((7200/7227)/65536) + local llx, lly, urx, ury = unpack(d.boundingbox) + llx, lly, urx, ury = llx*factor, lly*factor, urx*factor, ury*factor + local width, italic = (d.width or 0)*factor, (d.italic or 0)*factor + local top_accent, bot_accent = (d.top_accent or 0)*factor, (d.bot_accent or 0)*factor + local anchors, math = d.anchors, d.math + context.startMPcode() + context("pickup pencircle scaled .25bp ; ") + context('picture p ; p := image(draw textext.drt("\\gray\\char%s");); draw p ;',charnum) + context('draw (%s,%s)--(%s,%s)--(%s,%s)--(%s,%s)--cycle withcolor green ;',llx,lly,urx,lly,urx,ury,llx,ury) + context('draw (%s,%s)--(%s,%s) withcolor green ;',llx,0,urx,0) + context('draw boundingbox p withcolor .2white withpen pencircle scaled .065bp ;') + context("defaultscale := 0.05 ; ") + -- inefficient but non critical + local function slant_1(v,dx,dy,txt,xsign,ysign,loc,labloc) + if #v > 0 then + local l = { } + for kk, vv in ipairs(v) do + local h, k = vv.height, vv.kern + if h and k then + l[#l+1] = format("((%s,%s) shifted (%s,%s))",xsign*k*factor,ysign*h*factor,dx,dy) + end + end + context("draw ((%s,%s) shifted (%s,%s))--%s dashed (evenly scaled .25) withcolor .5white;", xsign*v[1].kern*factor,lly,dx,dy,l[1]) + context("draw laddered (%s) withcolor .5white ;",table.concat(l,"..")) + context("draw ((%s,%s) shifted (%s,%s))--%s dashed (evenly scaled .25) withcolor .5white;", xsign*v[#v].kern*factor,ury,dx,dy,l[#l]) + for k, v in ipairs(l) do + context("draw %s withcolor blue withpen pencircle scaled 1bp;",v) + end + end + end + local function slant_2(v,dx,dy,txt,xsign,ysign,loc,labloc) + if #v > 0 then + local l = { } + for kk, vv in ipairs(v) do + local h, k = vv.height, vv.kern + if h and k then + l[#l+1] = format("((%s,%s) shifted (%s,%s))",xsign*k*factor,ysign*h*factor,dx,dy) + end + end + if loc == "top" then + context('label.%s("\\type{%s}",%s shifted (0,-1bp)) ;',loc,txt,l[#l]) + else + context('label.%s("\\type{%s}",%s shifted (0,2bp)) ;',loc,txt,l[1]) + end + for kk, vv in ipairs(v) do + local h, k = vv.height, vv.kern + if h and k then + context('label.top("(%s,%s)",%s shifted (0,-2bp));',k,h,l[kk]) + end + end + end + end + if math then + local kerns = math.kerns + if kerns then + for _, slant in ipairs { slant_1, slant_2 } do + for k,v in pairs(kerns) do + if k == "top_right" then + slant(v,width+italic,0,k,1,1,"top","ulft") + elseif k == "bottom_right" then + slant(v,width,0,k,1,1,"bot","lrt") + elseif k == "top_left" then + slant(v,0,0,k,-1,1,"top","ulft") + elseif k == "bottom_left" then + slant(v,0,0,k,-1,1,"bot","lrt") + end + end + end + end + end + local function show(x,y,txt) + local xx, yy = x*factor, y*factor + context("draw (%s,%s) withcolor blue withpen pencircle scaled 1bp;",xx,yy) + context('label.top("\\type{%s}",(%s,%s-2bp)) ;',txt,xx,yy) + context('label.bot("(%s,%s)",(%s,%s+2bp)) ;',x,y,xx,yy) + end + if anchors then + local a = anchors.baselig + if a then + for k, v in pairs(a) do + for kk, vv in ipairs(v) do + show(vv[1],vv[2],k .. ":" .. kk) + end + end + end + local a = anchors.mark + if a then + for k, v in pairs(a) do + show(v[1],v[2],k) + end + end + local a = anchors.basechar + if a then + for k, v in pairs(a) do + show(v[1],v[2],k) + end + end + local ba = anchors.centry + if a then + for k, v in pairs(a) do + show(v[1],v[2],k) + end + end + local a = anchors.cexit + if a then + for k, v in pairs(a) do + show(v[1],v[2],k) + end + end + end + if italic ~= 0 then + context('draw (%s,%s-1bp)--(%s,%s-0.5bp) withcolor blue;',width,ury,width,ury) + context('draw (%s,%s-1bp)--(%s,%s-0.5bp) withcolor blue;',width+italic,ury,width+italic,ury) + context('draw (%s,%s-1bp)--(%s,%s-1bp) withcolor blue;',width,ury,width+italic,ury) + context('label.lft("\\type{%s}",(%s+2bp,%s-1bp));',"italic",width,ury) + context('label.rt("%s",(%s-2bp,%s-1bp));',d.italic,width+italic,ury) + end + if top_accent ~= 0 then + context('draw (%s,%s+1bp)--(%s,%s-1bp) withcolor blue;',top_accent,ury,top_accent,ury) + context('label.bot("\\type{%s}",(%s,%s+1bp));',"top_accent",top_accent,ury) + context('label.top("%s",(%s,%s-1bp));',d.top_accent,top_accent,ury) + end + if bot_accent ~= 0 then + context('draw (%s,%s+1bp)--(%s,%s-1bp) withcolor blue;',bot_accent,lly,bot_accent,lly) + context('label.top("\\type{%s}",(%s,%s-1bp));',"bot_accent",top_accent,ury) + context('label.bot("%s",(%s,%s+1bp));',d.bot_accent,bot_accent,lly) + end + context('draw origin withcolor red withpen pencircle scaled 1bp;') + context("setbounds currentpicture to boundingbox currentpicture enlarged 1bp ;") + context("currentpicture := currentpicture scaled 8 ;") + context.stopMPcode() + elseif c then + local factor = (7200/7227)/65536 + context.startMPcode() + context("pickup pencircle scaled .25bp ; ") + context('picture p ; p := image(draw textext.drt("\\gray\\char%s");); draw p ;',charnum) + context('draw boundingbox p withcolor .2white withpen pencircle scaled .065bp ;') + context("defaultscale := 0.05 ; ") + local italic, top_accent, bot_accent = (c.italic or 0)*factor, (c.top_accent or 0)*factor, (c.bot_accent or 0)*factor + local width, height, depth = (c.width or 0)*factor, (c.height or 0)*factor, (c.depth or 0)*factor + local ury = height + if italic ~= 0 then + context('draw (%s,%s-1bp)--(%s,%s-0.5bp) withcolor blue;',width,ury,width,ury) + context('draw (%s,%s-1bp)--(%s,%s-0.5bp) withcolor blue;',width+italic,ury,width+italic,ury) + context('draw (%s,%s-1bp)--(%s,%s-1bp) withcolor blue;',width,ury,width+italic,height) + context('label.lft("\\type{%s}",(%s+2bp,%s-1bp));',"italic",width,height) + context('label.rt("%6.3f bp",(%s-2bp,%s-1bp));',italic,width+italic,height) + end + if top_accent ~= 0 then + context('draw (%s,%s+1bp)--(%s,%s-1bp) withcolor blue;',top_accent,ury,top_accent,height) + context('label.bot("\\type{%s}",(%s,%s+1bp));',"top_accent",top_accent,height) + context('label.top("%6.3f bp",(%s,%s-1bp));',top_accent,top_accent,height) + end + if bot_accent ~= 0 then + context('draw (%s,%s+1bp)--(%s,%s-1bp) withcolor blue;',bot_accent,lly,bot_accent,height) + context('label.top("\\type{%s}",(%s,%s-1bp));',"bot_accent",top_accent,height) + context('label.bot("%6.3f bp",(%s,%s+1bp));',bot_accent,bot_accent,height) + end + context('draw origin withcolor red withpen pencircle scaled 1bp;') + context("setbounds currentpicture to boundingbox currentpicture enlarged 1bp ;") + context("currentpicture := currentpicture scaled 8 ;") + context.stopMPcode() + else + context("no such shape: %s",n) + end + end + function fonts.otf.show_all_shapes(start,stop) + local tfmdata = fonts.identifiers[font.current()] + last_data = tfmdata + start, stop = start or "\\startTEXpage\\gobbleoneargument", stop or "\\stopTEXpage" + local unicodes, indices, descriptions = tfmdata.unicodes, tfmdata.indices, tfmdata.descriptions + for _, unicode in next, table.sortedkeys(descriptions) do + local d = descriptions[unicode] + local name = d.name + context("%s{%s}%%",start,unicode) + context("\\writestatus{glyph}{U+%04X -> %s}%%",unicode,name) + fonts.otf.show_shape(unicode) + context(stop) + end + end + function fonts.otf.show_shape_field(unicode,name) + local tfmdata = last_data or fonts.identifiers[font.current()] + local d = tfmdata.descriptions[unicode] + if d then + if name == "unicode" then + context("U+%04X",unicode) + else + d = d[name] + if d then + context(d) + end + end + end + end +\stopluacode + +\setupcolors + [state=start] + +\def\GetGlyphField#1#2% + {\ctxlua{fonts.otf.show_shape_field(#1,"#2")}} + +\def\StartShowGlyphShape#1% + {\startTEXpage + \nonknuthmode + \def\GlyphUnicode{#1}} + +\def\StopShowGlyphShape + {\par + \midaligned{\tttf\setstrut\strut\GetGlyphField\GlyphUnicode{unicode}: \GetGlyphField\GlyphUnicode{name}}% + \stopTEXpage} + +\def\ShowGlyphShape#1#2#3% name size glyph + {\begingroup + \definedfont[#1 at #2]% + \obeyMPboxdepth + \ctxlua{fonts.otf.show_shape("#3")}% + \endgroup} + +\def\ShowAllGlyphShapes#1#2% name size + {\begingroup + \nonknuthmode + \definedfont[#1 at #2]% + \ctxlua{fonts.otf.show_all_shapes("\\StartShowGlyphShape","\\StopShowGlyphShape")}% + \endgroup} + +\setupcolors + [state=start] + +\doifnotmode{demo}{\endinput} + +\starttext + +\startTEXpage \ShowGlyphShape{simplenaskhi}{100bp}{0x62A} \stopTEXpage +\startTEXpage \ShowGlyphShape{simplenaskhi}{100bp}{0x2004} \stopTEXpage +\startTEXpage \ShowGlyphShape{simplenaskhi}{100bp}{0xF0299} \stopTEXpage +\startTEXpage \ShowGlyphShape{simplenaskhi}{100bp}{NameMe.1190} \stopTEXpage + +\ShowAllGlyphShapes{simplenaskhi}{100bp} +% \ShowAllGlyphShapes{xits}{100bp} + +\stoptext |