On Fri, 14 Jan 2011, Alan Gresley wrote
I am not a programmer and I wouldn't know the first thing about
building a UA since I not even sure what web language or languages are
involved in the process.
C++
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Richard Mason
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chnical and specific
| towards the end.
I said the specs were 'aimed' at programmers, not 'exclusive to'. Your
quote confirms this:
"Implementors, however, should find all they need to build conforming
user agents."
So, a Software Requirement Specification also made ava
On Thu, 13 Jan 2011, Philippe Wittenbergh wrote
On Jan 13, 2011, at 12:48 PM, Richard Mason wrote:
Speaking of CSS specs I'm always surprised that the spec authors
don't get called out for the nonsense they put in them. A
specification should tell an author (a programmer) what i
eir right mind would
get values this way when the Operating System API's will give them the
answer directly.
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Richard Mason
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fallback font will relate to the first-choice font, but it doesn't
matter so I wouldn't bother anyway."
Interesting :-)
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Richard Mason
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ratio of a font is not fixed but varies
with font size.
At http://www.emdpi.com/cssfontsizeadjust.html I have a download with
graphs of aspect ratio v font size (10px to 50px) for a number of fonts.
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Richard Mason
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bsolute that authors are so fond
of.
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Richard Mason
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On Wed, 12 Aug 2009, Felix Miata wrote
>On 2009/08/13 10:59 (GMT+1200) Richard Mason composed:
>
>> ... On paper inches are physical inches. On a screen inches are
>> logical inches. Logical inches and physical inches are not the same
>> thing as I explain here:
ect will be different if that
>1920x1200 monitor is a 21", 24", on 15" laptop monitor.
Of course. On paper inches are physical inches. On a screen inches are
logical inches. Logical inches and physical inches are not th
ls
Also there seems to be view that screen dpi can only be 96 or 120.
Screen dpi can be adjusted in the Control Panel by small steps between
19 dpi and 480 dpi. The elastic ruler.
http://www.emdpi.com/screendpi.html
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Richard Mason
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ion from
points to pixels via screen dpi is not required.
http://www.emdpi.com/fontsize.html
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Richard Mason
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Li
;standard" means what here? The CSS spec tries to define a
"standard pixel", and talks rubbish.
Actually one pixel on your monitor is different to another pixel on your
monitor at different times. If, say, you usually operate at 1280 * 1024
and then switch to 1024 * 768 then 20
Not really.
There is only a loose relationship between font size and how 'big' text
looks on screen.
http://www.emdpi.com/fontsize.html
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Richard Mason
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ory address specified by &gm. One of the values returned in the
structure is the top-left x,y co-ordinates of a box that completely
encloses the glyph - so given that the box origin is 0,0 then
gm.gmptGlyphOrigin.y (xHeight) is the height of the box.
Now I'l
writers put in a requirement
that browser authors determine x-height and then, instead of leaving the
programmers to implement the requirement, they tell them what the
answers going to be - and get it wrong.
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Richard Mason
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..
Reference [1] says "The example given clearly shows that the browser
"knows" the x-height of "Times New Roman" to do the calculation.".
That's wrong. Browsers do not know the x-height of a font because the
Operating System doesn't know.
http://www.
al to it.
One em is the font size of a font. If font size is 12px then one em is
12px.
http://www.emdpi.com/emsquare.html
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is -20 then one is requesting a font size of 20
pixels.
www.emdpi.com/fontsize.html
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