Answering my own question, this is possible using forms (PostScript Language 
Reference Manual, section 4.7) and FOP already uses them with JPEG images and 
optimize-resources=true.



On 22 May 2013, at 17:06, Alexios Giotis <alex.gio...@gmail.com> wrote:

> Hi,
> 
> I have a 4MB encapsulated postscript file that needs to be set as the 
> background of every page. The XSL:FO for testing with FOP 1.0 is [1]. The 
> problem is that the contents of the EPS file are repeated in every page, even 
> though fop.xconf.xml has:
>    <renderer mime="application/postscript">
>        <optimize-resources>true</optimize-resources>
>    </renderer>
> 
> Changing "my.eps" to "my.jpg" which is a JPEG file, works as expected. By 
> looking in the code, it seems that there is no supported ImageFlavor for form 
> creation, in other words
> org.apache.fop.render.ps.PSImageUtils#isImageInlined always returns true for 
> EPS images.
> 
> 
> Anybody knows if this is just not implemented or if this is a limitation of 
> postscript ? If this is not a postscript limitation, any example of how this 
> could be done ? I already looked in the short EPSF_Spec [2] and some 
> suggestions like [3] but could not create a valid postscript file.
> 
> 
> Thank you,
> Alexios Giotis
> 
> 
> 
> 
> [1]
> <?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="simpleA4"
>                               page-height="29.7cm" page-width="21cm" 
> margin-top="0cm"
>                               margin-bottom="0cm" margin-left="0cm" 
> margin-right="0cm">
>            <fo:region-body background-repeat="no-repeat"
>                    background-image="file:/Users/alex//tdesk/my.eps" />
>        </fo:simple-page-master>
>    </fo:layout-master-set>
>    <fo:page-sequence master-reference="simpleA4">
>        <fo:flow flow-name="xsl-region-body">
>            <fo:block break-after="page" margin-top="9cm">Page 1</fo:block>
>            <fo:block break-after="page" margin-top="9cm">Page 2</fo:block>
>        </fo:flow>
>    </fo:page-sequence>
> </fo:root>
> 
> 
> [2] http://partners.adobe.com/public/developer/en/ps/5002.EPSF_Spec.pdf
> [3] 
> http://stackoverflow.com/questions/9820646/overlay-two-postscript-files-command-line-approach
> 
> 


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