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Re: [ft-devel] [GSoC] CID font support, and others
From: |
Werner LEMBERG |
Subject: |
Re: [ft-devel] [GSoC] CID font support, and others |
Date: |
Tue, 08 Aug 2017 12:28:36 +0200 (CEST) |
> Our complication is that we must be placing outline points alongside
> reading the hints, and adjusting the former accordingly.
OK, makes sense. So it seems boiling down to the question how to
optimally hint Type1, right?
>> . Test with Acroread whether Type1 fonts and its CFF conversions
>> yield identical rendering results.
>
> Sorry, I'm not sure how I should go about this. I went with
> exporting PDF from LibreOffice, but when I opened that in Acroread I
> get LCD rendering (see attached).
Well, yes.
> They're certainly the two different formats (looking at the line
> gap), and the problematic glyph "u" looks hinted correctly.
OK.
> However, to reproduce the results from ftgrid, I'll need it to
> render in monochrome.
Monochrome? Please explain. I think there no longer exists an
environment where Acroread would return monochrome images...
> What do you do to test fonts with Acroread?
Nothing special. In most cases, people report a problem with a font
already embedded in a PDF.
> If only there is a utility that could take in a font file, and
> generate a pdf with all glyphs?
Attached are two solutions for xelatex; you just have to set the right
font (using font names returned by fontconfig's `fc-list') in the
`\setmainfont' macro, then call
xelatex charlist
for the compact version or
xelatex charlistx
for a version that shows character codes also (using the same font).
[This should work on Windows and Macs also, BTW – I assume that you
have TeXLive installed :-)]
> [...]
>
> What I draw from this is that a bad Type1 font (actually not the
> font, but the way we do hinting doesn't allow mid-charstring hints)
> can be made compliant to the spec, i.e. all hints declared at the
> start by, and only by, making an extra preprocessing/conversion
> pass.
OK. So it seems we have to go this route. Given that Type 1 fonts
are no longer important today (combined with faster and faster
computers), we certainly can live with a second pass.
Werner
\documentclass{article}
\input{binhex}
\usepackage[margin=1cm]{geometry}
\usepackage{fontspec}
\setmainfont{Linux Libertine O}
\usepackage{multicol}
\usepackage{multido}
\setlength{\parindent}{0pt}
\begin{document}
\multido{\i=0+1}{"110000}{% from U+0000 to U+10FFFF
\iffontchar\font\i
\symbol{\i}\,
\fi
}
\end{document}
\documentclass[landscape]{article}
\input{binhex}
\usepackage[margin=1cm]{geometry}
\usepackage{fontspec}
\setmainfont{Linux Libertine O}
\usepackage{multicol}
\usepackage{multido}
\setlength{\parindent}{0pt}
\begin{document}
\begin{multicols}{9}
\multido{\i=0+1}{"110000}{% from U+0000 to U+10FFFF
\iffontchar\font\i
\makebox[5em][l]{0x\nhex{4}{\i}}%
\symbol{\i}\endgraf
\fi
}
\end{multicols}
\end{document}
- Re: [ft-devel] [GSoC] CID font support, and others, Ewald Hew, 2017/08/01
- Re: [ft-devel] [GSoC] CID font support, and others, Werner LEMBERG, 2017/08/01
- Re: [ft-devel] [GSoC] CID font support, and others, Ewald Hew, 2017/08/01
- Re: [ft-devel] [GSoC] CID font support, and others, Werner LEMBERG, 2017/08/05
- Re: [ft-devel] [GSoC] CID font support, and others, Ewald Hew, 2017/08/07
- Re: [ft-devel] [GSoC] CID font support, and others, Werner LEMBERG, 2017/08/07
- Re: [ft-devel] [GSoC] CID font support, and others, Ewald Hew, 2017/08/08
- Re: [ft-devel] [GSoC] CID font support, and others,
Werner LEMBERG <=
- Re: [ft-devel] [GSoC] CID font support, and others, Werner LEMBERG, 2017/08/08
- Re: [ft-devel] [GSoC] CID font support, and others, Ewald Hew, 2017/08/08
- Re: [ft-devel] [GSoC] CID font support, and others, Ewald Hew, 2017/08/09
- Re: [ft-devel] [GSoC] CID font support, and others, Werner LEMBERG, 2017/08/10
- Re: [ft-devel] [GSoC] CID font support, and others, Dave Arnold, 2017/08/10
- Re: [ft-devel] [GSoC] CID font support, and others, Werner LEMBERG, 2017/08/16
- Re: [ft-devel] [GSoC] CID font support, and others, Ewald Hew, 2017/08/16
- Re: [ft-devel] [GSoC] CID font support, and others, Werner LEMBERG, 2017/08/16
- Re: [ft-devel] [GSoC] CID font support, and others, Ewald Hew, 2017/08/16
- Re: [ft-devel] [GSoC] CID font support, and others, Werner LEMBERG, 2017/08/16