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https://issues.apache.org/jira/browse/FOP-1333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13673190#comment-13673190
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Robert Meyer commented on FOP-1333:
-----------------------------------
Another old one, but seemingly still valid today. I am sure this issue has come
up elsewhere on the message board before now. I think the block is taking into
consideration the line spacing even though there is no text. If you specify the
parent block of the image to have font-size="0", the image fills the complete
height
I think this is a bit of a grey area with regard to whether the block takes
into consideration line spacing if there is no text. Again, not sure if this
should be left open as this is unlikely to be changed unless someone has some
strong views on removing line spacing with no text.
> External graphic doesnt size properly with height set at 100%
> -------------------------------------------------------------
>
> Key: FOP-1333
> URL: https://issues.apache.org/jira/browse/FOP-1333
> Project: Fop
> Issue Type: Bug
> Components: general
> Affects Versions: 0.93
> Environment: Operating System: other
> Platform: PC
> Reporter: Barry Pearce
> Attachments: logo.jpg, test.pdf
>
>
> The following XSL-FO causes a complaint about the graphics being out of limits
> and DOES NOT render at the scaled size. The specification states that a height
> of 100% should cause the area to be set at the same size of the parent (which
> should be the size of extent in this case.
> <?xml version="1.0" encoding="utf-8"?>
> <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format";>
> <fo:layout-master-set>
> <fo:simple-page-master master-name="Form"
> page-width="210mm" page-height="297mm"
> margin-top="10mm" margin-bottom="10mm"
> margin-left="10mm" margin-right="10mm"
> padding="0">
> <fo:region-body
> margin="0" margin-top="32mm" padding="0"/>
> <fo:region-before extent="32mm"
> margin="0" padding="0"/>
> </fo:simple-page-master>
> </fo:layout-master-set>
>
> <fo:page-sequence master-reference="Form">
> <fo:static-content flow-name="xsl-region-before">
> <fo:block text-align="center"
> height="100%" width="100%"
> border-style="solid"
> border-color="orange" border-width="0.25mm">
> <fo:external-graphic
> border-style="solid"
> border-color="black" border-width="0.25mm"
> scaling="uniform"
> scaling-method="resample-any-method"
> height="100%"
> content-height="scale-to-fit"
> src="logo.jpg"
> />
> </fo:block>
> </fo:static-content>
> <fo:flow flow-name="xsl-region-body">
> <fo:block-container
> height="100%" width="100%"
> border-style="solid"
> border-color="blue" border-width="0.25mm">
> <fo:block text-align="center" font-size="20pt"
> font-family="serif"
> line-height="30pt">
> LOGO CHECK
> </fo:block>
> </fo:block-container>
> </fo:flow>
> </fo:page-sequence>
>
> </fo:root>
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