Robin van Meteren <[EMAIL PROTECTED]> wrote: > Recently we implemented some functionality that retrieves the width and > height of images in mmbase. Although other solutions may already exist we > thought this might be interesting to some of you.
That seems a very usefull addition. > In order to retrieve these properties from an image we've used ImageInfo, > a freely available java class, downloadable at: > http://www.geocities.com/marcoschmidt.geo/image-info.html. Imageinfo is > used by the added ImageBuilder class, which introduces to new virtual > fields to an image node, width and height. This class has to be defined in > the image builder configuration file like this: > <classfile>nl.kennisnet.cpb.cloud.builders.ImageBuilder</classfile> > > As an example of how this could be used, consider a neatly fitting image > popup without whitespace around the image. The jsp code looks something > like this: > <mm:node number='<%=imageNumber%>'> > <a href="imagePopup.jsp?id=<%=imageNumber%>" > onClick="NewWindow(this.href,'_blank','<mm:field > name='width()'/>','<mm:field name='height()'/>','no');return false;" > target="_blank"> > </mm:node> Using 1.7 This could of course also be done with <mm:function name="width" /> > > Using these extra virtual fields one can also size an image using the > width and height attributes within the HTML image tag, provided that no > scaling is taking place using a template attribute. Why not? A scaled images is yet another image, so why can the tool not be used on the icache-node then? I would like to add this functionality to 'the' image builder itself. Perhaps as an optional plugin (<property name="imageinfoclass" or so). Michiel -- Michiel Meeuwissen Mediacentrum 140 H'sum +31 (0)35 6772979 nl_NL eo_XX en_US mihxil' [] ()
