On Feb 8, 2007, at 19:45, Kai Mütz wrote:

Hi,

<snip />
I do not really understand the scaling of external images. I have an Area of 220mm (height) and 170mm (width) where I can include graphics. Thus I write
something like:

<fo:external-graphic content-height="220mm" content-width="170mm"
src="[EMAIL PROTECTED]"/>

Isn't it (theoretically) right that if I specify content-height and
content-width the image should be scaled and thus could be distorted.

Only if you would specify scaling="non-uniform".
If not, then FOP defaults to preserving the aspect ratio, as is mandated by the Recommendation.

See: http://www.w3.org/TR/xsl/#scaling

But if
I include a graphic which has landscape orientation FOP scales it to 170mm width but doesn't scale the height to 220mm. The height is correct relativ to the width. This is perfect for me but doesn't this conflict with theory?

Nope. :)

HTH!

Cheers,

Andreas
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