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Posted to dev@forrest.apache.org by is...@cocoondev.org on 2005/03/10 01:21:19 UTC
[JIRA] Updated: (FOR-413) PDF: rendering fails when graphics too big - workaround inside
The following issue has been updated:
Updater: Dave Brondsema (mailto:brondsem@apache.org)
Date: Wed, 9 Mar 2005 6:21 PM
Changes:
Component changed to Plugin: pdf-output
Component changed from Core operations
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For a full history of the issue, see:
http://issues.cocoondev.org//browse/FOR-413?page=history
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View the issue:
http://issues.cocoondev.org//browse/FOR-413
Here is an overview of the issue:
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Key: FOR-413
Summary: PDF: rendering fails when graphics too big - workaround inside
Type: Bug
Status: Unassigned
Priority: Major
Project: Forrest
Components:
Plugin: pdf-output
Versions:
0.6
Assignee:
Reporter: Olivier Jacques
Created: Fri, 10 Dec 2004 4:27 AM
Updated: Wed, 9 Mar 2005 6:21 PM
Description:
When "forresting" a document that has embedded images, the PDF rendering sometimes stops with this error message:
BROKEN: org.apache.fop.apps.FOPException: No meaningful layout in block after many attempts. Infinite loop is assumed. Processing halted.
I've found that this is caused by images that are too big to fit in the PDF page (took me some times :) )
I temporary "solved" it by modifying the document2fo.xsl. When I specify the "width" or "height" attribute to the img, then the value is taken and divided by 2. WARNING: the value has to be an integer and a "px" (pixels) size.
We should find a way to reduce the size automatically.
$ diff -bruN document2fo.xsl~ document2fo.xsl
--- document2fo.xsl~ 2004-12-09 17:51:42.486185200 +0100
+++ document2fo.xsl 2004-12-09 22:03:32.465852800 +0100
@@ -755,10 +755,14 @@
</xsl:variable>
<fo:external-graphic src="{$imgpath}">
<xsl:if test="@height">
- <xsl:attribute name="height"><xsl:value-of select="@height"/></xsl:attribute>
+ <xsl:variable name="reducedheight"
+ select="number(@height)" />
+ <xsl:attribute name="height"><xsl:value-of select="concat(number($reducedheight) div 2,'px')"/></xsl:attribute>
</xsl:if>
<xsl:if test="@width">
- <xsl:attribute name="width"><xsl:value-of select="@width"/></xsl:attribute>
+ <xsl:variable name="reducedwidth"
+ select="number(@width)" />
+ <xsl:attribute name="width"><xsl:value-of select="concat(number($reducedwidth) div 2,'px')"/></xsl:attribute>
</xsl:if>
</fo:external-graphic>
<!-- alt text -->
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