Created
September 10, 2018 02:07
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Quality protrusion vectors in LuaTeX
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\documentclass{article} | |
\usepackage{fontspec} | |
\usepackage{luacode} | |
\usepackage{xcolor} | |
\begin{luacode*} | |
local byte = string.byte | |
fonts.expansions.setups['quality'] = { | |
stretch = 2, shrink = 2, step = .5, factor = 1, | |
[byte('A')] = 0.5, [byte('B')] = 0.7, [byte('C')] = 0.7, [byte('D')] = 0.5, [byte('E')] = 0.7, | |
[byte('F')] = 0.7, [byte('G')] = 0.5, [byte('H')] = 0.7, [byte('K')] = 0.7, [byte('M')] = 0.7, | |
[byte('N')] = 0.7, [byte('O')] = 0.5, [byte('P')] = 0.7, [byte('Q')] = 0.5, [byte('R')] = 0.7, | |
[byte('S')] = 0.7, [byte('U')] = 0.7, [byte('W')] = 0.7, [byte('Z')] = 0.7, | |
[byte('a')] = 0.7, [byte('b')] = 0.7, [byte('c')] = 0.7, [byte('d')] = 0.7, [byte('e')] = 0.7, | |
[byte('g')] = 0.7, [byte('h')] = 0.7, [byte('k')] = 0.7, [byte('m')] = 0.7, [byte('n')] = 0.7, | |
[byte('o')] = 0.7, [byte('p')] = 0.7, [byte('q')] = 0.7, [byte('s')] = 0.7, [byte('u')] = 0.7, | |
[byte('w')] = 0.7, [byte('z')] = 0.7, | |
[byte('2')] = 0.7, [byte('3')] = 0.7, [byte('6')] = 0.7, [byte('8')] = 0.7, [byte('9')] = 0.7, | |
} | |
fonts.protrusions.setups['quality'] = { | |
factor = 1, left = 1, right = 1, | |
[0x002C] = { 0, 1 }, -- comma | |
[0x002E] = { 0, 1 }, -- period | |
[0x003A] = { 0, 1 }, -- colon | |
[0x003B] = { 0, 1 }, -- semicolon | |
[0x002D] = { 0, 1 }, -- hyphen | |
[0x00AD] = { 0, 1 }, -- also hyphen | |
[0x2013] = { 0, 0.50 }, -- endash | |
[0x2014] = { 0, 0.33 }, -- emdash | |
[0x3001] = { 0, 1 }, -- ideographic comma 、 | |
[0x3002] = { 0, 1 }, -- ideographic full stop 。 | |
[0x060C] = { 0, 1 }, -- arabic comma ، | |
[0x061B] = { 0, 1 }, -- arabic semicolon ؛ | |
[0x06D4] = { 0, 1 }, -- arabic full stop ۔ | |
[0x003F] = { 0, 0.20 }, -- ? | |
[0x00BF] = { 0.20, 0 }, -- ¿ | |
[0x0021] = { 0, 0.20 }, -- ! | |
[0x00A1] = { 0.20, 0, }, -- ¡ | |
[0x0028] = { 0.05, 0 }, -- ( | |
[0x0029] = { 0, 0.05 }, -- ) | |
[0x005B] = { 0.05, 0 }, -- [ | |
[0x005D] = { 0, 0.05 }, -- ] | |
[0x002C] = { 0, 0.70 }, -- comma | |
[0x002E] = { 0, 0.70 }, -- period | |
[0x003A] = { 0, 0.50 }, -- colon | |
[0x003B] = { 0, 0.50 }, -- semicolon | |
[0x002D] = { 0, 0.70 }, -- hyphen | |
[0x00AD] = { 0, 0.70 }, -- also hyphen | |
[0x2013] = { 0, 0.30 }, -- endash | |
[0x2014] = { 0, 0.20 }, -- emdash | |
[0x060C] = { 0, 0.70 }, -- arabic comma | |
[0x061B] = { 0, 0.50 }, -- arabic semicolon | |
[0x06D4] = { 0, 0.70 }, -- arabic full stop | |
[0x061F] = { 0, 0.20 }, -- ؟ | |
-- todo: left and right quotes: .5 double, .7 single | |
[0x2039] = { 0.70, 0.70 }, -- left single guillemet ‹ | |
[0x203A] = { 0.70, 0.70 }, -- right single guillemet › | |
[0x00AB] = { 0.50, 0.50 }, -- left guillemet « | |
[0x00BB] = { 0.50, 0.50 }, -- right guillemet » | |
[0x2018] = { 0.70, 0.70 }, -- left single quotation mark ‘ | |
[0x2019] = { 0, 0.70 }, -- right single quotation mark ’ | |
[0x201A] = { 0.70, 0 }, -- single low-9 quotation mark , | |
[0x201B] = { 0.70, 0 }, -- single high-reversed-9 quotation mark ‛ | |
[0x201C] = { 0.50, 0.50 }, -- left double quotation mark “ | |
[0x201D] = { 0, 0.50 }, -- right double quotation mark ” | |
[0x201E] = { 0.50, 0 }, -- double low-9 quotation mark „ | |
[0x201F] = { 0.50, 0 }, -- double high-reversed-9 quotation mark ‟ | |
[byte("A")] = { .05, .05 }, | |
[byte("F")] = { 0, .05 }, | |
[byte("J")] = { .05, 0 }, | |
[byte("K")] = { 0, .05 }, | |
[byte("L")] = { 0, .05 }, | |
[byte("T")] = { .05, .05 }, | |
[byte("V")] = { .05, .05 }, | |
[byte("W")] = { .05, .05 }, | |
[byte("X")] = { .05, .05 }, | |
[byte("Y")] = { .05, .05 }, | |
[byte("k")] = { 0, .05 }, | |
[byte("r")] = { 0, .05 }, | |
[byte("t")] = { 0, .05 }, | |
[byte("v")] = { .05, .05 }, | |
[byte("w")] = { .05, .05 }, | |
[byte("x")] = { .05, .05 }, | |
[byte("y")] = { .05, .05 }, | |
} | |
\end{luacode*} | |
\protrudechars=2 | |
%\adjustspacing=2 | |
\newfontfamily\none{Latin Modern Roman}[Color=gray] | |
\newfontfamily\default{Latin Modern Roman}[RawFeature={protrusion=default},Color=red] | |
\newfontfamily\quality{Latin Modern Roman}[RawFeature={protrusion=quality},Color=blue] | |
\begin{document} | |
\fboxsep=0pt | |
\fboxrule=.1pt | |
\setbox0=\vbox{\none\input tufte\par} | |
\setbox1=\vbox{\default\input tufte\par} | |
\setbox2=\vbox{\quality\input tufte\par} | |
``default'' over ``none'': | |
\fbox{\ooalign{\copy0\cr\hidewidth\copy1\hidewidth\cr}} | |
``quality'' over ``none'': | |
\fbox{\ooalign{\copy0\cr\hidewidth\copy2\hidewidth\cr}} | |
``quality'' over ``default'': | |
\fbox{\ooalign{\copy1\cr\hidewidth\copy2\hidewidth\cr}} | |
\end{document} |
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