61 lines
1.9 KiB
TeX
61 lines
1.9 KiB
TeX
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\documentclass[a4paper,12pt]{scrartcl}
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\usepackage{luacode}
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\usepackage{fontspec}
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\usepackage{xcolor}
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\begin{document}
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\setmainfont{Recursive}[
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Renderer=HarfBuzz,
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ItalicFont=Recursive,
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BoldFont=Recursive,
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BoldItalicFont=Recursive,
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UprightFeatures={
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RawFeature={+ss01,+ss02,+ss08,+case},
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},
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BoldFeatures={RawFeature={+axis={wght=700}}},
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BoldItalicFeatures={RawFeature={+axis={wght=700,slnt=-15,CRSV=1}}},
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ItalicFeatures={RawFeature={+axis={slnt=-15,CRSV=1}}}
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]
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\begin{luacode*}
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local vft =
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[[\addfontfeatures{RawFeature={+axis={MONO=%.2f,CASL=%.2f,slnt=%.2f,CRSV=%d,wght=%.0f}}}]]
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function vf( MONO, CASL, slnt, CRSV, wght )
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local s = vft:format( MONO, CASL, slnt, CRSV, wght )
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return s
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end
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local N, buf = 3, { }
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function c( v )
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if type( v ) == "number" then return { v, v } end
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if not v[2] then v[2] = v[1] end
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return v
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end
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function lerp( MONO, CASL, slnt, CRSV, wght, C,M,Y,J,F )
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F = F or 1
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local B = { c(MONO), c(CASL), c(slnt), c(CRSV), c(wght) }
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local color = { C,M,Y }
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local params = { }
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for k = 0, N do
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local t = k/N
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color[J] = (F<0) and (1+(F*t)) or (F*t)
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for i = 1, #B do
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params[i] = B[i][1] + (B[i][2] - B[i][1])*t
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end
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local s = vf( table.unpack( params ) )
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--[[ texio.write_nl( s ) ]]
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buf[#buf+1] = s
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local C = ("%.2f,%.2f,%.2f,0.65"):format( table.unpack( color ) )
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buf[#buf+1] = "\\textcolor[cmyk]{"..C.."}{Test?} "
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end
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buf[#buf+1] = "\\par "
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end
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lerp( 0, {0,1}, 0, 0, 300, 0,0,0,2 )
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lerp( 0, 1, {-15,0}, 0, 300, 0,1,0,3 )
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lerp( 0, {1,0}, -15, 0, 300, 0,1,1,2,-1 )
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lerp( 0, 0, -15, 0, {800,300}, 0,0,1,1 )
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lerp( 0, {0,1}, -15, 0, 800, 1,0,1,2 )
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lerp( 0, 1, {0,-15}, 0, 800, 1,1,1,3,-1 )
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lerp( 0, {1,0}, 0, 0, 800, 1,1,0,2,-1 )
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lerp( 0, 0, 0, 0, {300,800}, 1,0,0,1,-1 )
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tex.print( table.concat( buf, "" ) )
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\end{luacode*}
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\end{document}
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