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diff --git a/metapost/context/fonts/punkfont-definitions.mp b/metapost/context/fonts/punkfont-definitions.mp
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-% Remark:
-%
-% This file is a merge of the original punk files by Donald Knuth, who
-% added this comment:
-%
-% Font inspired by Gerard and Marjan Unger's lectures, Feb 1985
-%
-% The regular punk files are part of TeXLive and in metafont format. All
-% errors introduced are ours. We also changed the encoding to unicode. In
-% due time we might add a few more more characters. We still need to
-% improve some of the metrics which involves a bit of trial and error. The
-% font just covers basic latin shapes but in ConTeXt MkIV we add virtual
-% composed shapes. There is a module m-punk.tex that implements this. This
-% derivate is also used in mk.tex (mk.pdf) which is one of our tests for
-% LuaTeX. We published an article on it in the MAPS (NTG magazine).
-%
-% 2008, Taco Hoekwater & Hans Hagen
-
-if unknown punk_font_loaded :
-
- if unknown scale_factor :
- scale_factor := 1 ;
- fi ;
-
- boolean punk_font_loaded ;
-
- punk_font_loaded := true ;
- warningcheck := 0 ;
- proofing := 0 ;
- designsize := 10pt#;
- font_identifier := "Punk Nova" ; % dedicated to Don Knuth and Hermann Zapf
-
- ht# := 7pt# ; % height of characters
- u# := 1/4pt# ; % unit width
- dev# := .3pt# ; % standard deviation of punk points
-
- if known bold_punk :
- s# := 1.2pt# ; % extra sidebar
- px# := 1pt# ; % horizontal thickness of pen
- py# := .8pt# ; % vertical thickness of pen
- dot# := 1.7pt# ; % diameter of dots
- else :
- s# := 0 ; % extra sidebar, ok
- px# := .6pt# ; % horizontal thickness of pen
- py# := .5pt# ; % vertical thickness of pen
- dot# := 1.3pt# ; % diameter of dots
- fi ;
-
- pt := .1pt ;
- mag := scale_factor * 10 ;
- bp_per_pixel := bpppix_ * mag ;
-
- define_pixels(u,dev) ;
- define_blacker_pixels(px,py,dot) ;
- define_whole_pixels(s) ;
- xoffset := s ;
-
- pickup pencircle xscaled px yscaled py ;
- punk_pen := savepen ;
- pickup pencircle scaled dot ;
- path dot_pen_path ;
- dot_pen_path := tensepath makepath currentpen ;
-
- defaultcolormodel := 1 ;
-
- if known slanted_punk :
- dot_pen_path := dot_pen_path slanted -0.25 ;
- extra_endchar := extra_endchar & "currentpicture := currentpicture slanted 0.25 ;" ;
- fi ;
-
-
- def beginpunkchar(expr c,n,h,v) = % code $c$; width is $n$ units
- hdev := h * dev ; % modify horizontal amounts of deviation
- vdev := v * dev ; % modify vertical amounts of deviation
- beginchar(c,n*u#,ht#,0) ;
- italcorr 0 ;
- % italcorr ht#*slant;
- pickup punk_pen
- enddef ;
-
- def ^ =
- transformed currenttransform
- enddef ;
-
- def makebox(text rule) =
- for y=0, h : % horizontals
- rule((-s,y)^,(w-s,y)^) ;
- endfor
- for x=-s, 0, w-2s, w-s : % verticals
- rule((x,0)^,(x,h)^) ;
- endfor
- enddef ;
-
- rulepen := pensquare ;
-
- vardef pp expr z =
- z + (hdev * normaldeviate, vdev * normaldeviate)
- enddef;
-
- def pd expr z = % {\bf drawdot}
- addto currentpicture contour dot_pen_path shifted z.t_ % withpen penspeck
- enddef;
-
- def initialize_punk_upper =
- ht# := 7pt# ; dev# := .3pt# ;
- enddef ;
- def initialize_punk_lower =
- sht# := ht#; sdev := dev;
- ht# := .6ht# ; dev := .7dev ;
- enddef ;
- def revert_punk_lower =
- ht# := sht#; dev := sdev;
- enddef ;
-
-fi ;