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bug#42240: Interpretation of 'size' Property in Fontconfig Pattern Strin
From: |
Robert Pluim |
Subject: |
bug#42240: Interpretation of 'size' Property in Fontconfig Pattern Strings |
Date: |
Thu, 16 Jul 2020 17:03:35 +0200 |
>>>>> On Tue, 07 Jul 2020 13:25:15 +0200, Sebastian Miele
>>>>> <sebastian.miele@gmail.com> said:
Sebastian> GNU Emacs 27.0.91 (build 1, x86_64-pc-linux-gnu, GTK+ Version
3.24.20)
Sebastian> of 2020-06-28
Sebastian> According to 'man 5 fonts-conf' the Fontconfig property 'size'
is a
Sebastian> double and represents the point size. The property 'pixelsize',
too, is
Sebastian> a double and represents the pixel size.
Is this a build with or without Cairo? (you snipped the part of the
bug report that would have told us)
Sebastian> In
Sebastian> FC_DEBUG=1 emacs -Q --font=:family=Hack:size=11
Sebastian> the 'size=11' is interpreted as 'pixelsize=11'.
Sebastian> fc-match :family=Hack:size=11 size pixelsize
Sebastian> does interpret it as point size.
Sebastian> Apart from that both
Sebastian> emacs -Q --font=:family=Hack:size=11.1
Sebastian> and
Sebastian> emacs -Q --font=:family=Hack:pixelsize=11.1
Sebastian> both yield the same error: "invalid font property: (:size .
11\.1)",
Sebastian> although according to fontconfig the pixel size is a double, too.
Sebastian> However, fractional pixel sizes may not make sense for Emacs at
all. I
Sebastian> do not know.
Sebastian> The following does work as expected:
Sebastian> emacs -Q --font=Hack-11.1