[whatwg] How to improve the appearance of web pages
Ian Hickson
ian at hixie.ch
Tue Feb 10 02:19:39 PST 2009
On Tue, 13 Mar 2007, Behnam ZWNJ Esfahbod wrote:
>
> Implementing a new web application from scratch, I found out some new
> ideas to make the appearance of site better. I'm not sure here are the
> best place for this discussion, but at least it's not out of interest.
>
> First one is how Mozilla/Firefox do the zooming thing, "Text Size". On
> web sites with images, changing the text size just works for +/- 2
> levels. More than that the whole page gets out of shape. Seems Gecko
> 1.9/Firefox 3 is going to resize images, but I'm not sure.
>
> BTW the first trick is how to make images "zoomable", by the ratio of
> "Text Size". I set an style attribute for each image (which are not a
> lot, limited to the logos) which sets "font-size" to image's width (in
> pixel) and set the image's "width" to "1em". It works well on Fx2.0 and
> IE6.
>
> The problem is there's no way to do it globaly, and I should add a
> "style" attribute to each "img" tag.
>
> Something I found weird is the default unit of images without width and
> height attributes. If there was a way to just set the default unit of
> images to "em", the problem could be solved.
The problem is better solved using actual pixel zoom, rather than text
zoom. Most browsers do this now.
> The second one is to get the web server decide which image file is
> better. An Apache httpd module can select the best response for a
> request for image "the-company-logo" if it knows which size is needed,
> and what mime-types are acceptable.
>
> My idea is to add a field to the http request header for image files, to
> let the server know which size the image is going to be shown, and then
> it decides to send the best answer. [...]
>
> Another usage is when the browser does the zooming. When I zoom in the
> page 200%, that's good if browser can get the company logo with better
> quality. It would be just another request for "the-company-logo" with
> the 384 pixels width, and it may be a bitmap or vector file again. [...]
I recommend bringing this up with the HTTP working group, as it seems out
of scope for HTML5.
Cheers,
--
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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