First up, sorry for no unit tests - just doing enough to get by for now :)
Anyway, I was using the image task to create thumbnails and couldn't figure out
how to keep proportions of an image but keep it within a fixed size. My
solution was to change the keepproportions attribute to be a little cleverer.
The keepproportions attribute is no more and has been replaced by the
proportions attribute has been added with the following features:
proportions="ignore" - treat the dimensions independantly
(==keepproportions="false" and is default)
proportions="width" - keep proportions based on the width
(==keepproportions="true")
proportions="height" - keep proportions based on the height
proportions="fit" - keep proportions and fit in the supplied dimensions
proportions="cover" - keep proportions and cover the supplied dimensions
So for example I can use the following to create thumbnails of my images and
make sure they all fit within the 160x160 size whether the image is portrait or
landscape.
<image destdir="samples/low" overwrite="yes">
<fileset dir="samples/full">
<filename name="**/*.jpg"/>
</fileset>
<scale width="160" height="160" proportions="fit"/>
</image>
Hope that's helpful to others,
Rob
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