I have had great results, maybe it is not for everyone. I am not having
they issues you talk about with the font I have chosen and the DPI am using.
You are right for how the screen is going to laid out. I am right for what
it looks like across the room. You are further right that myth will have
trouble keeping HUGE fonts in small rectangles...if you don't pick good
font. I choose tall narrow fonts and life is good. I can see it, and text
doesn't spill everywhere.
Just trying give other people multiple ways to do things...one will work
best for them.
Todd
----- Original Message -----
From: "Michael T. Dean" <[EMAIL PROTECTED]>
To: "Discussion about mythtv" <[email protected]>
Sent: Tuesday, October 25, 2005 11:40 AM
Subject: Re: [mythtv-users] program guide font size
Todd wrote:
Although the FAQ is technically correct; think of the use-case.
"Monitor Size" for X is generally with your face 2 feet from the
screen. What is the "Monitor Size" when you are 30 feet away (to your
eye)?
Here is what the "Monitor" section of my XFree86-4 looks like:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Little Text
# DisplaySize 400 300
# DisplaySize 360 270
# DisplaySize 320 240
# DisplaySize 280 210
# DisplaySize 240 180
DisplaySize 200 150
# DisplaySize 160 120
# DisplaySize 120 90
# DisplaySize 80 60
# DisplaySize 40 30
# HUGE Text
I just uncomment out different lines until it is "just right". Each
TV in my house used a different line to be just right. It is a
balancing act, I would be amazed at any system that work at
40x30!...be somewhere between both ends will be just right for you.
Note that when you do this, it is completely impossible for your
text/graphics to line up properly when using a theme that was created
correctly.
Normally, a program calculates the appropriate position of graphic
elements (in pixels = dots) relative to fonts (specified in points =
1/72 inch) based on the DPI (Dots Per Inch) specified by the windowing
system. However, this requires run-time calculations. Myth's "theming
engine" allows the creation of themes that combine text and graphical
elements, but since the themes are simple XML (text) files, there is no
ability to do calculations. Therefore, all themes are supposed to be
created to use a fixed DPI--100 DPI--so that graphics and fonts line up
appropriately on any /properly-configured/ Myth system.
Now you know why the "technically correct" FAQ is completely
correct--it's correct by specification--and using DisplaySize (which is
used by X to calculate DPI) to adjust font sizes is incorrect. And, now
you know why the little arrows in your playback box, etc. are in the
wrong places...
If you were to adjust your DisplaySize and then adjust all your themes
for the resulting DPI, it would be just as "correct" as using 100DPI
with the provided themes. However, that approach takes much more time
and is likely to result in much bigger font problems when re-displaying
Myth screens (i.e. mythtv-setup) on other systems on your network (which
may not be using 100DPI, but are likely to be close enough to 100DPI
that it will still be readable--especially on a monitor 2 feet in front
of your eyes).
So, please don't tell people to simply adjust their DisplaySize to fix
font size problems. The /only/ correct way to adjust font size is to
edit the font names and font sizes in the theme. (Editing font names is
required when the specified font is not installed on your system. If
Myth requests a non-existant font, X font substitution will select
another font as a replacement and often the font metrics are very
different from the requested font, so to take the unknown element out of
the system, you must ensure the theme requests an installed font.)
Mike
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