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[ft] Gamma (?) huge difference between FreeType and others (OS X, or eve
From: |
puxi |
Subject: |
[ft] Gamma (?) huge difference between FreeType and others (OS X, or even FreeType based MacType) |
Date: |
Fri, 29 May 2015 15:51:27 +0800 |
I'm fully confused. I don't know how to say properly, because I'm not
talking about font's darken/slightly, I'm saying, they just like got
the different "colors" of the results.
Here are some sreenshots (I use Firefox to compare them),
OS X
https://i.imgur.com/XEO7HY0.png
https://i.imgur.com/fQlKntl.png
https://i.imgur.com/xtVscsr.png
Linux/FreeType2 2.5.5-1
https://i.imgur.com/xoOJ4HN.png
https://i.imgur.com/7WJULvj.png
https://i.imgur.com/IOqdU9i.png
MacType (MacType is FreeType based, more details see bottom external links)
https://i.imgur.com/z5vuZQe.png
!!Especially when setting font's gamma valve to high level as that
makes font get more slightly.
MacType with font gamma changes
https://i.imgur.com/n7yhlXj.png
Linux/FreeType with font gamma changes (I use INFINALITY patch to
tweak the gamma value)
https://i.imgur.com/PsGXzmB.png
https://i.imgur.com/9z77xnb.png
Putting them together,
https://i.imgur.com/dpDEEzO.png
https://i.imgur.com/EJdaCQQ.png
As you can see, even the MacType got the results as same as OS X. Only
Linux is so different. Still not sure it is a "Gamma correction"
issue. If not, what is making Linux font rendering so "weird"?
How to fix it?
Thanks!
External links:
History of gdi++
http://a.pomf.se/vlgkcm.txt
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puxi <=