23 Sep
2010
23 Sep
'10
9:10 a.m.
Just curious, will there be an option preserved to stick with the old
behaviour (i.e. no server-side resizing even if there are height and
width parameters specified) ? The simple reason is that we are doing all
of our documentation, screenshots e.t.c this way and come up with
thumbnails on the page but link them to lightboxes to make them appear
fullsize just in case you want to see the details ...
I'm just wondering how then we will have to specify this use case with
future releases ...
kind regards
Andreas
Am 08.09.2010 22:40, schrieb Marius Dumitru Florea:
Hi devs,
Currently the image plugin [1] allows us to create image thumbnails by
specifying the image width and/or height in the query string of the
image attachment download URL:
/xwiki/bin/download/Spage/Page/image.jpg?width=100
I propose that we:
(A) Use the image width and/or height (when they are specified in the
image syntax using pixel unit) to resize the image on the server side.
For instance:
[[image:logo.jpg||width="100px"]]
will be linked to
/xwiki/bin/download/Spage/Page/logo.jpg?width=100
and
[[image:logo.jpg||style="height: 50px; width: 70px"]]
will be linked to
/xwiki/bin/download/Spage/Page/logo.jpg?width=70&height=50
The image plugin also accepts a quality parameter that controls the
compression quality when encoding jpeg images. The default value of this
parameter (i.e. when not specified in the URL) is configurable. I
propose we use 0.3 by default, 1 representing the best quality.
(B) Add the ability to limit the image dimensions (preserving aspect
ratio) when the image width and/or height are not specified in the image
syntax (or when they are not using pixel unit). The width and height
limit will be configurable and -1 by default (i.e. no limitation). For
instance:
image:logo.jpg
will be linked to
/xwiki/bin/download/Spage/Page/logo.jpg?width=1024
when width limit is 1024, and to
/xwiki/bin/download/Spage/Page/logo.jpg?width=1024&height=768&keepAspectRatio=true
when width limit is 1024 and height limit is 768. Note that in this case
the image aspect ratio is preserved. The image is resized to best fit
the limits. If the user want to bypass the limit he has to specify the
image width/height in the image syntax.
I'm +1 for both (A) and (B). WDYT?
Thanks,
Marius
[1]
http://svn.xwiki.org/svnroot/xwiki/platform/core/trunk/xwiki-core/src/main/…
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