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List:       kde-devel
Subject:    Re: Major KHTML bug to be ignored for 3.4?
From:       Joseph Cheek <joseph () lycoris ! com>
Date:       2005-03-09 8:34:53
Message-ID: 422EB52D.7020300 () lycoris ! com
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We (Lycoris) hard-code X (Xft, actually) to render vector fonts at 72dpi 
regardless of the actual monitor dpi settings, as many of our users 
complained that font quality looked poor at various different (high) 
dpis but fine at lower dpis.  If 3.4 forces 96 dpi or higher, every 
single Lycoris Desktop/LX user will see inordinately large fonts.

I haven't looked at the code, but it sounds like the patch might be as 
simple as changing

if (DPI < 96) DPI=96;

to

if (DPI < 72) DPI=72; // 60?  What's a good lower limit?

Thanks!

Joe

Luke-Jr wrote:

>About a month ago, I reported bug 98583 because Kopete was showing font sizes 
>proportionally larger than it was configured to do so. As it turns out, KHTML 
>is insisting on a minimum DPI of 96 and refuses to work properly with lower 
>DPIs.
>
>The KHTML developers justify this because apparently many users have 
>misconfigured X for the wrong DPI. Is it common practice of KDE to override 
>configurations because it assumes they are wrong?
>
>This might not be a problem if the DPIs overridden were unreasonable (like > 
>250 or < 50), but the reality is that many, if not most, monitors today are 
>sold designed for a DPI around 75. To get 96 DPI on my monitor, for example, 
>I need to use the very low refresh rate of 60 Hz. You can calculate the 
>various DPIs of monitors with a nice form at 
>http://www.raydreams.com/prog/dpi.aspx
>
>When I originally reported the bug, it seemed to only be affecting Kopete 
>negatively. Websites looked like the proper size I expected for my DPI for 
>some reason or another. Sometime between 3.4 beta1 and rc1 (I just cvs up 
>every now and then, so I don't have an accurate revision), the problem that 
>had formerly only affected Kopete suddenly affected all my Konqueror windows.
>
>There was discussion on the bug for a day or two and many various solutions 
>came up, including having an option to override or obey the X DPI like 
>Mozilla and other compatible workarounds for misconfigured X servers. 
>However, the KHTML developers seem to have put the bug on a 
>ignore-and-hope-nobody-complains list ever since.
>
>Will I need to begin patching my KDE to have a KHTML that works properly?
>  
>
 
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