From: MJ Suhonos (email@example.com)
Date: Fri Apr 30 2004 - 10:44:08 PDT
I'm trying to include images in a PDF document being generated using
XSL:FO and XEP 3.7.5. The difficulty I'm having is because I don't know
the image format or size before doing the render, so it has to be done
automatically in the XSL-FO pass. Images can be anywhere from 100x100px
XEP handles the format fine (for the most part), but scaling is
unpredictable, even (or particularly) using width="auto" height="auto"
content-width="auto" content-height="auto". What I am trying to do is
scale down large images to fit within the width of my page, and keep
small images their original size (or a reasonable size) - strangely I
seem to be having more problems with small images scaling too large
rather than vice-versa.
This seems to be a case for using the scale-to-fit value
(http://xep.xattic.com/xep/testsuite/usecases/image-scale.pdf), but my
difficulty is that while I know the absolute width the area I want the
image to appear (19cm), I know neither the height (since this should be
dependent on the scaled image), and I'm having problems with the image
overflowing outside of the block.
The pertinent part of the FO for my example is:
(full XSL-FO available, it's just very large)
<fo:block space-after.optimum="6pt" space-before.optimum="6pt" span="all">
<fo:table width="100%" table-layout="fixed">
<fo:block id="figure1" span="all" font-size="8.5pt">
<fo:inline font-weight="bold">Figure 1: </fo:inline>Simple EAV schema
for a clinical database.</fo:block>
<fo:block text-align="center" span="all">
content-width="auto" content-height="auto" width="auto" height="auto"/>
I have the image and caption in a blind table to keep them together
across page-breaks (yes, I know this is ugly but it was the best way I
could ensure consistent layout). Should I be using a block-container
Full XML/PDF sources at:
Any help is gratefully appreciated!
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This archive was generated by hypermail 2.1.5 : Fri Apr 30 2004 - 10:55:59 PDT