How do i create multiple PDF's from a single XML in Apache FOP - xslt

I'd like to render multiple reports (PDFs) from a single XML file in Apache FOP.
Each Statement node should create separate PDF's.
I have successfully created a single PDF so far. Below is a sample XML format where each Statement node must be mapped to a separate PDF.
<Statements>
<Statement>
<SummaryDetails>
<SummaryDetail>
</SummaryDetail>
</SummaryDetails>
</Statement>
<Statement>
</Statement>
</Statements>
XSL:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:fo="http://www.w3.org/1999/XSL/Format" exclude-result-prefixes="fo">
<xsl:template match="Statement">
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format"
xmlns:rx="http://www.renderx.com/XSL/Extensions"
xmlns:fox="http://xmlgraphics.apache.org/fop/extensions"
xmlns:afp="http://xmlgraphics.apache.org/fop/extensions/afp">
<fo:layout-master-set>
<fo:simple-page-master master-name="A4" page-height="29.7cm" page-width="21cm" margin-
top="1.44cm" margin-bottom="1.25cm" margin-right="0.5cm">
<fo:region-body/>
</fo:simple-page-master>
<fo:simple-page-master master-name="A4-first" page-height="29.7cm" page-width="21cm"
margin-top="1.25cm" margin-bottom="1.25cm" margin-left="1.5cm" margin-right="0.5cm">
<fo:region-body region-name="body"/>
</fo:simple-page-master >
</fo:layout-master-set>
<fo:page-sequence master-reference="A4" id="first">
<fo:flow flow-name="xsl-region-body">
</fo:flow>
</fo:page-sequence>
</fo:root>
</xsl:template>
Any help would be appreciated.

Related

Apache FOP XSLT with svg-text render quality chaged after batik library upgrade

We recently migrated from FOP 2.1 to FOP 2.6 and witnessed a change in PNG output quality.
In our application fop is used with antialiasing OFF and in fop2.1 ( +batik 1.8) the text output is rendered nicely with no antialiasing .
But after we upgraded to FOP 2.6, PNG output is generated with antialiasing, without considering the fop.xconf setting or the text-rendering settings.
FOP 2.1 - Batik 1.8 output
FOP 2.6 - Batik 1.14 output
I tried various options by setting different text-rendering values but not able to get the same quality any more. I tried different versions of Batik lib and it seems that this change is seen from v1.9 onwards.
Seems like batik is ignoring anti-aliasing OFF configuration from the fop.xconf .
fop.xconf
<?xml version="1.0"?>
<fop version="1.0">
<complex-scripts disabled="false"/>
<renderers>
<renderer mime="image/png">
<color-mode>rgb</color-mode>
<transparent-page-background>false</transparent-page-background>
<background-color>white</background-color>
<anti-aliasing>false</anti-aliasing>
<rendering>false</rendering>
<fonts>
</fonts>
</renderer>
</renderers>
</fop>
Sample XSL
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.1" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fo="http://www.w3.org/1999/XSL/Format" exclude-result-prefixes="fo">
<xsl:output method="xml" version="1.0" omit-xml-declaration="no" indent="yes"/>
<xsl:param name="versionParam" select="'1.0'"/>
<xsl:template match="articles[#page=1]">
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
<fo:layout-master-set>
<fo:simple-page-master master-name="simpleA4" page-height="168px" page-width="384px">
<fo:region-body /> <!-- background-color="#FFFF00" -->
</fo:simple-page-master>
</fo:layout-master-set>
<fo:page-sequence master-reference="simpleA4">
<fo:flow flow-name="xsl-region-body">
<!-- Temporarily Unavailable -->
<fo:block-container position="absolute" overflow="visible">
<fo:block>
<fo:instream-foreign-object xmlns:svg="http://www.w3.org/2000/svg">
<svg xmlns="http://www.w3.org/2000/svg" height="100" width="240" viewport="10 10 290 200">
<text x="150" y="20" fill="black" text-anchor="start" font-size="22pt" text-rendering="optimizeLegibility">STWOA</text>
</svg>
</fo:instream-foreign-object>
</fo:block>
</fo:block-container>
</fo:flow>
</fo:page-sequence>
</fo:root>
</xsl:template>
</xsl:stylesheet>
Any help or hints would be highly appreciated !

XSL-FO Region-Body background image

I have to add a background image to a page and add some text/content on the page. I am new to XSL-FO so I did some research. It looks like I need to use Region-Body and add the image using background-image attribute.
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:fox="http://xmlgraphics.apache.org/fop/extensions">
<!-- Entry point -->
<xsl:template match="/">
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:fox="http://xmlgraphics.apache.org/fop/extensions">
<fo:layout-master-set>
<fo:simple-page-master master-name="cover-page" page-height="21cm" page-width="29.7cm">
<fo:region-body background-image="url('Cover.jpg')" fox:background-image-width="29.7cm" fox:background-image-height="21cm"/>
</fo:simple-page-master>
</fo:layout-master-set>
<!-- Cover Page -->
<fo:page-sequence master-reference="cover-page" force-page-count="no-force" format="i">
<fo:flow flow-name="xsl-region-body">
<xsl:call-template name="tpltCoverPage"/>
</fo:flow>
</fo:page-sequence>
</fo:root>
</xsl:template>
<!-- Cover Page -->
<xsl:template name="tpltCoverPage">
<fo:block></fo:block>
</xsl:template>
</xsl:stylesheet>
The image appears as a background however it is 1700 * 1200 so the image is zoomed in and I can only see partial image in the background. Is there anyway I can zoom out the image so it fits the page height and width (without altering the actual image)?
Using only XSL 1.1 properties, you can position a background image but you can't scale it.
FOP has extension properties for setting the width and height of a background image: https://xmlgraphics.apache.org/fop/2.3/extensions.html#backgroundimages
(AH Formatter can do that and more: https://www.antennahouse.com/product/ahf66/ahf-ext.html#background)
Formatting just the XSL-FO from your sample worked for me with FOP 2.2:
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format"
xmlns:fox="http://xmlgraphics.apache.org/fop/extensions">
<fo:layout-master-set>
<fo:simple-page-master master-name="cover-page"
page-height="21cm" page-width="29.7cm">
<fo:region-body background-image="url('Cover.jpg')"
fox:background-image-width="29.7cm"
fox:background-image-height="21cm"/>
</fo:simple-page-master>
</fo:layout-master-set>
<!-- Cover Page -->
<fo:page-sequence master-reference="cover-page"
force-page-count="no-force" format="i">
<fo:flow flow-name="xsl-region-body">
<fo:block></fo:block>
</fo:flow>
</fo:page-sequence>
</fo:root>

How to show correctly tabulation in xsl-fo?

I have an XML document and I am creating an XSL-FO file to convert it to pdf with apache-fop.
In the xml, there are sections <code> to show... code.
In the xsl-fo, I added the white-space="pre" sentence to preserve the code format, but tabulations are shown like single space:
XML section:
<code><![CDATA[
function callback( widget )
{
var ui = widget; // It should be a tab
}
]]></code>
XSL-FO section:
<xsl:template match="code">
<fo:block font-size="10pt" font-family="monospace" white-space="pre" color="#008000" background-color="#f8f8f8">
<xsl:apply-templates/>
</fo:block>
</xsl:template>
Resulting PDF:
function callback( widget )
{
var ui = widget; // It should be a tab
}
So my question is: How to preserve or set the size of the tabulation?
Edited: I am using apache-fop 1.1
A full example:
proyecto.xml (do not forget to replace the 4 spaces by a tab before "var ui...")
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="proyecto.xsl"?>
<document>
<code><![CDATA[
function callback( widget )
{
var ui = widget; // It should be a tab
}
]]></code>
</document>
proyecto.xsl
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"
xmlns:fo="http://www.w3.org/1999/XSL/Format">
<xsl:template match ="document">
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
<fo:layout-master-set>
<fo:simple-page-master master-name="OnePage" margin="1in"
page-height="29.7cm"
page-width="21cm"
margin-top="2.5cm"
margin-bottom="2.5cm"
margin-left="3.5cm"
margin-right="2.5cm">
<fo:region-body margin="0cm"/>
</fo:simple-page-master>
<fo:page-sequence-master master-name="Page">
<fo:single-page-master-reference master-reference="OnePage"/>
</fo:page-sequence-master>
</fo:layout-master-set>
<fo:page-sequence master-reference="Page">
<fo:flow flow-name="xsl-region-body">
<xsl:apply-templates/>
</fo:flow>
</fo:page-sequence>
</fo:root>
</xsl:template>
<xsl:template match="code">
<fo:block font-size="10pt" font-family="monospace" white-space="pre">
<xsl:apply-templates/>
<!--<xsl:value-of select="replace( . , 'a', 'b')"/>-->
</fo:block>
</xsl:template>
</xsl:stylesheet>
PDF result (screen):
Replace the tabs by four spaces, as suggested by #mzjn already in the comments.
XML Input
<code><![CDATA[
function callback( widget )
{
var ui = widget; // It should be a tab
}
]]></code>
XSLT Stylesheet
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:fo="http://www.w3.org/1999/XSL/Format">
<xsl:output method="xml" indent="yes"/>
<xsl:template match="/">
<fo:root>
<fo:layout-master-set>
<fo:simple-page-master master-name="A4-portrait"
page-height="29.7cm" page-width="21.0cm" margin="2cm">
<fo:region-body/>
</fo:simple-page-master>
</fo:layout-master-set>
<fo:page-sequence master-reference="A4-portrait">
<fo:flow flow-name="xsl-region-body">
<fo:block font-size="10pt" font-family="monospace" linefeed-treatment="preserve" white-space-collapse="false" white-space-treatment="preserve" wrap-option="no-wrap" color="#008000" background-color="#f8f8f8">
<xsl:value-of select="replace(code,' ',' ')"/>
</fo:block>
</fo:flow>
</fo:page-sequence>
</fo:root>
</xsl:template>
</xsl:stylesheet>
Now, after replacing the tab characters with whitespaces, the output is rendered correctly by FOP.
There is no obvious flaw with outputting tabs, but bear in mind that Apache FOP is only partially compliant in regard to the whitespace-treatment property: http://xmlgraphics.apache.org/fop/compliance.html , even if it says that only fo:inline elements are affected of this.

How to use `xsl:include` with apache fop

I use apache FOP to generate pdf files. I have this xsl code
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fo="http://www.w3.org/1999/XSL/Format">
<xsl:output method="xml" indent="yes" />
<xsl:template match="/">
<fo:root font-size="11pt" font-family="serif">
<fo:layout-master-set>
<fo:simple-page-master master-name="A4-portrait"
page-height="29.7cm" page-width="21.0cm" margin-top="1cm"
margin-left="1.5cm" margin-right="1cm" margin-bottom="1cm">
<fo:region-body />
<fo:region-after region-name="footer" extent="15mm"/>
</fo:simple-page-master>
<fo:simple-page-master master-name="A4-landscape"
page-width="29.7cm" page-height="21.0cm" margin-top="1cm"
margin-left="1cm" margin-right="1cm" margin-bottom="1cm">
<fo:region-body />
<fo:region-after region-name="footer2" display-align="after" extent="0cm"/>
</fo:simple-page-master>
</fo:layout-master-set>
<fo:page-sequence master-reference="A4-portrait">
<xsl:include href="footer_common.xsl"/>
<fo:flow flow-name="xsl-region-body">
....
</fo:flow>
</fo:page-sequence>
</fo:root>
</xsl:template>
</xsl:stylesheet>
Notice the element <xsl:include href="footer_common.xsl"/>
The inclusion does not work!
And here is footer_common.xsl:
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fo="http://www.w3.org/1999/XSL/Format"
version="1.0">
<fo:static-content flow-name="footer" font-size="7pt">
<fo:table>
<fo:table-column column-width="70mm"/>
<fo:table-column column-width="70mm"/>
<fo:table-column column-width="70mm"/>
<fo:table-body>
...........
</fo:table-body>
</fo:table>
</fo:static-content>
</xsl:stylesheet>
Both .xsl files are in the same resource directory. If it matters - I use eclipse for development. In my java code I get the main .xsl file as a resource stream and use it for the transformation.
The error message is
xsl:include ist an dieser Position in der Formatvorlage nicht zulässig!
which means, xsl:include is not allowed at that position in the template
Can anyone see what I am doing wrong?
Thanks for any help or hints.
xsl:include is a top-level element (actually, a stylesheet declaration), which means that it may only appear as an immediate child of xsl:stylesheet. So, you simply cannot include a stylesheet from within an fo:page-sequence element.
But I think you're not in need of xsl:include and a separate stylesheet, but of xsl:call-template and a separate named template.
Write a separate template similar to the following:
<xsl:template name="footer-ebase">
<fo:static-content flow-name="footer" font-size="7pt">
<fo:table>
<fo:table-column column-width="70mm"/>
<fo:table-column column-width="70mm"/>
<fo:table-column column-width="70mm"/>
<fo:table-body>
<!--...-->
</fo:table-body>
</fo:table>
</fo:static-content>
</xsl:template>
In the main template (the place where you'd like to insert content), reference the named template with:
<fo:page-sequence master-reference="A4-portrait">
<xsl:call-template name="footer-ebase"/>
<fo:flow flow-name="xsl-region-body">
<!--...-->
</fo:flow>
</fo:page-sequence>
Note that it does not always make sense to write named templates. It is advisable if
your code would otherwise be redundant because you need the same functionality in several places
the code would clutter the template and make it hard to read
you use recursion to solve a problem
If you want to split content into separate templates for no apparent reason, then you'd best do away with it alltogether.
You can still put the named template into a separate stylesheet if you wish, but then you need to use xsl:include as a top-level element:
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" >
<xsl:include href="footer-ebase.xsl"/>
<!--...-->
</xsl:stylesheet>

How can I keep my content from being cutoff with apache fop?

I am going through the Apache FOP quickstart. From the command line I am converting a simple xml file that contains an svg element and converting it to a pdf file. I am able to do this, but the image generated by the svg is being cut off. I am new to XSL-FO & Apache FOP, but I did check out the w3c documentation of properties. Now I'm even more confused, unfortunately. I have tried the following with no luck: altering the width & height properties in the svg itself; setting page-height & page-width to "auto" in the simple page master element; eliminating the margin property. I didn't see anything indicating the region-body starts with some default size.
Here is the xml:
<chart>
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="100">
<circle cx="50" cy="50" r="40" stroke="black" stroke-width="2" fill="red" />
<circle cx="100" cy="100" r="40" stroke="black" stroke-width="2" fill="green" />
</svg>
And here's the xsl:
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:fo="http://www.w3.org/1999/XSL/Format">
<xsl:output method="xml" indent="yes"/>
<xsl:template match="/">
<fo:root>
<fo:layout-master-set>
<fo:simple-page-master master-name="A4-portrait"
margin="10">
<fo:region-body/>
</fo:simple-page-master>
</fo:layout-master-set>
<fo:page-sequence master-reference="A4-portrait">
<fo:flow flow-name="xsl-region-body">
<fo:block>
<fo:instream-foreign-object xmlns:svg="http://www.w3.org/2000/svg" content-width="600" content-height="300">
<svg:svg>
<xsl:copy-of select="/chart/svg:svg"/>
</svg:svg>
</fo:instream-foreign-object>
</fo:block>
</fo:flow>
</fo:page-sequence>
</fo:root>
</xsl:template>
</xsl:stylesheet>
The image is supposed to show a red & green circle overlapping, but it's only showing the upper left corner of the green one. I expect there's a property in the block element I am missing, but I don't know which. I looks like the block is limited to a 100px x 100px size.
What am I missing of the properties and how can I get the whole svg image to show properly (two full circles overlapping)?
Thanks,
Brandt
PS: I would have sent an image showing the problem, but I don't have a high enough reputation.
Errors are the specification of size with no units in FO in three places (margin, content-width and content-height). Also the SVG as stated in the comment above has a height of 100 which exceeds half of the green circle.
Correcting these and showing just the FO:
<fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
<fo:layout-master-set>
<fo:simple-page-master master-name="A4-portrait">
<fo:region-body/>
</fo:simple-page-master>
</fo:layout-master-set>
<fo:page-sequence master-reference="A4-portrait">
<fo:flow flow-name="xsl-region-body">
<fo:block>
<fo:instream-foreign-object xmlns:svg="http://www.w3.org/2000/svg">
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="200">
<circle cx="50" cy="50" r="40" stroke="black" stroke-width="2" fill="red" />
<circle cx="100" cy="100" r="40" stroke="black" stroke-width="2" fill="green" />
</svg>
</fo:instream-foreign-object>
</fo:block>
</fo:flow>
</fo:page-sequence>
</fo:root>
This shows the complete SVG image in your output.