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Posted by Jukka K. Korpela on 08/06/06 13:13
Steve Pugh <steve@pugh.net> scripsit:
>>> '<img ... height="100%" ...>' doesn't mean what you think it means.
>>
>> <IMG align=left alt="left bar" border=0 height="100%" hspace=0
>> src="rverticalbar.png" width=30>
>> I thought it meant 100% of the page height, (or in the case of
>> tables, 100% of the available row height)?
>
> You thought wrong. In this case it means 100% of the height of the
> image.
No, quite the contrary: the specification says that "lengths expressed as
percentages are based on the horizontal or vertical space currently
available, not on the natural size of the image, object, or applet". Ref.:
http://www.w3.org/TR/REC-html40/struct/objects.html#adef-height-IMG
Browser may do this poorly, and may even deviate from the specification (in
addition to often doing a poor-quality scaling), but that's a different
issue.
> Start using CSS and use background images instead.
That sounds like a good idea, especially for an image that is supposed to
act as just as a divider - a decorative horizontal rule, in a sense.
Actually, if such a divider is the most prominent graphic feature of a page,
the design is somewhat odd, and removing the divider or replacing with a
simple styled <hr> might be an improvement.
--
Jukka K. Korpela ("Yucca")
http://www.cs.tut.fi/~jkorpela/
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