Hi Marius, I see. Thx a lot for explanation and the esample.
Andreas Am 23.09.2010 10:12, schrieb Marius Dumitru Florea: > Hi Andreas, > > On 09/23/2010 10:10 AM, Andreas Hahn wrote: >> 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 ... > Sure, you can set: > > rendering.imageDimensionsIncludedInImageURL = false > > (it's true by default) in xwiki.properties configuration file. > > Note that the new behavior applies only to images included using the > xwiki/2.0 syntax, if at least one of the image dimensions are specified: > > [[image:picture.png||width="150px"]] > > So if you include images in a different way (e.g. xwiki/1.0 syntax or > HTML syntax) then you shouldn't be affected. In other words, if you > control the image URL and you don't specify image dimensions in the > query string then the original image will be loaded. > > Now, you say that you display thumbnails on the page and when the user > clicks them the full size image is displayed. Are the thumbnails > generated on the server or are they in fact the original images resized > by the browser? Couldn't you use the new behavior for displaying the > thumbnails and then use the image URL without the query string to load > the full size image in the light box? This way users that are not > interested in the details don't have to download full size images when > viewing the page. > > An example of this behavior, without the light box is: > > [[[[image:picture.png||width="150px"]]>>attach:picture.png]] > > Hope this helps, > Marius > >> 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/java/com/xpn/xwiki/plugin/image/ >>> _______________________________________________ >>> devs mailing list >>> [email protected] >>> http://lists.xwiki.org/mailman/listinfo/devs >>> >> _______________________________________________ >> devs mailing list >> [email protected] >> http://lists.xwiki.org/mailman/listinfo/devs > _______________________________________________ > devs mailing list > [email protected] > http://lists.xwiki.org/mailman/listinfo/devs > _______________________________________________ devs mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/devs
