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bug#776: 22 carbon: mac-allow-anti-aliasing does not always work with bo
bug#776: 22 carbon: mac-allow-anti-aliasing does not always work with bold fonts
Tue, 26 Aug 2008 08:59:52 +0300
Thunderbird 126.96.36.199 (Macintosh/20080707)
Thanks YAMAMOTO! A small change to your tip and it works in Aquamacs Emacs:
defaults write org.gnu.AquamacsEmacs AppleAntiAliasingThreshold N
David, I think this whole process should be explained in Aquamacs' help.
YAMAMOTO Mitsuharu wrote:
>>>>>> On Mon, 25 Aug 2008 14:34:20 -0400, David Reitter <address@hidden> said:
>> Begin forwarded message:
>> From: Plipe Exty <address@hidden>
>> Date: 25 August 2008 08:47:17 EDT
>> To: address@hidden
>> Subject: [Aquamacs-bugs] Turning off anti-aliasing for bold fonts
>> With (setq mac-allow-anti-aliasing nil) I'm able to turn off anti-
>> aliasing for most fonts, except for bold ones. This results in ugly
>> views where some parts of the text are anti-aliased, and some
>> aren't. I assume this is a bug, unless there is a separate option to
>> turn off anti-aliasing for bold fonts.
> That variable controls the selection of underlying text renderer
> rather than anti-aliasing directly. I've once suggested its renaming
> at emacs-devel, but there was no response.
> To control anti-aliasing, some description in Emacs Info (`Mac Font
> Specs' node) might be useful.
> Mac OS X 10.2 or later can use two types of text renderings: Quartz
> 2D (aka Core Graphics) and QuickDraw. By default, Emacs uses the
> former on such versions. It can be changed by setting
> `mac-allow-anti-aliasing' to `t' (Quartz 2D) or `nil' (QuickDraw).
> Both ATSUI and QuickDraw Text drawings are affected by the value of
> this variable.
> Appearance of text in small sizes will also be affected by the "Turn
> off text smoothing for font sizes N and smaller" setting in the General
> pane (Mac OS X 10.1 or 10.2) or in the Appearance pane (10.3 or later)
> of the System Preferences. This threshold can alternatively be set
> just for Emacs (i.e., not as the system-wide setting) using the
> `defaults' command:
> defaults write org.gnu.Emacs AppleAntiAliasingThreshold N
> Also, if you prefer overstriking bold by Emacs to synthetic bold by
> ATSUI for Monaco for example, it can be specified as:
> (add-to-list 'face-ignored-fonts "\\`-[^-]*-monaco-bold-")
> YAMAMOTO Mitsuharu