Re: [Devel] TrueType font-scaling

[Vadim Plessky]

On Saturday 03 August 2002 8:24 pm, Owen Taylor wrote:
|  Vincent Caron <address@hidden> writes:
|  > On Sat, 2002-08-03 at 14:02, Ole André Vadla Ravnås wrote:
|  > >
|  > > :)) Why are the same TrueType-fonts a lot bigger in my Linux
|  > > : environment
|  > >
|  > > than in Windows? Size 7 in Windows equals size 9 in my Linux
|  > > environment it seems.
|  >
|  > Most of the time font sizes are specified in points (a point is 1/72
|  > inch or 0.035mm), not in pixels. It means that the resulting size in
|  > pixels depends on your screen resolution. The screen resolution is
|  > actually arbitralily set up by the OS. Windows let you choose the
|  > resolution in the 'Display Properties/Settings' panel, 'Advanced'
|  > button, where you select so-called 'big fonts', 'normal fonts' and so
|  > on. You'll notice somehting that says 'Normal size (96 dpi)', which is
|  > the default resolution of the screen under Windows. Try the 'other'
|  > option, it brings up an interactive dialog that shows the relation
|  > between font visual size and resolution.
|  >
|  > It turns out that some Linux distro configure X with a 100dpi
|  > resolution. This makes font slightly larger than the Windows ones for
|  > the same point size. You can check your X resolution with 'xdpyinfo|grep
|  > resolution'.
|
|  The resolution there is not the same one used to convert points
|  to pixels. Limbo uses 96 dpi by default for that. Under GNOME,
|  you can change the resolution for font points=>pixels with:

Mozilla also defaults to 96dpi, as well as Konqueror since KDE 2.2 (to my best 
knowledge)

In my Mozill aon Linux:
Edit -> Preferences -> Appearance -> Fonts:
* 72 dpi
* 96 dpi
* System settimgs
* Other.

|
|   Preferences/Fonts,  Details button.
|
|  I'm not sure why the fonts for the original poster weren't the same
|  size for Windows and Limbo (was it with Limbo?). It sounds like some
|  app was selecting font sizes in pixels, not points.
|
|  Regards,
|                                          Owen
|
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Vadim Plessky
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