fop/examples/fo/svg/external.fo

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    <fo:static-content flow-name="xsl-region-before">
      <fo:block line-height="14pt" font-size="10pt"
    text-align="end">External SVG examples</fo:block>
    </fo:static-content>
    <fo:static-content flow-name="xsl-region-after">
      <fo:block line-height="14pt" font-size="10pt"
    text-align="end">Page <fo:page-number/></fo:block>
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    <fo:flow flow-name="xsl-region-body">

      <fo:block text-align="center" font-weight="bold" font-size="14pt" space-before.optimum="3pt" space-after.optimum="15pt">
      External SVG
      </fo:block>

      <fo:block space-before.optimum="3pt" space-after.optimum="20pt">


      </fo:block>

      <fo:block text-align="center">
Some examples of how to reference external SVG images in your FO documents
      </fo:block>

      <fo:block break-before="page" space-after.optimum="10pt" font-weight="bold" font-size="12pt">
Introduction
      </fo:block>

      <fo:block>
This document shows some examples of how an SVG document can be in an external svg file
which is referenced using the fo:external-graphic.
      </fo:block>

      <fo:block>
      </fo:block>

      <fo:block space-after.optimum="10pt" font-weight="bold" font-size="12pt">
Examples
      </fo:block>

      <fo:block>
The following svg document is obtained from an external file using the fo:external-graphic.
      </fo:block>

      <fo:block>
<fo:external-graphic src="file:boxes.svg"/>
      </fo:block>

      <fo:block>
This svg document (<fo:external-graphic src="file:multi.svg"/>) is also obtained from
an external file using the fo:external-graphic. It has another svg image inside and references
part of another svg image.
      </fo:block>

      <fo:block>
This inline svg document (
<fo:instream-foreign-object>
<svg xmlns="http://www.w3.org/2000/svg" width="60" height="40" xml:space="preserve">
  <g style="fill:none;stroke:yellow">
     <rect x="0" y="0" width="25" height="25"/>
     <image xlink:href="file:boxes.svg" x="10" y="10" width="20" height="20"/>
  </g>
  <g>
    <use xlink:href="file:ref.svg#FOP" transform="scale(1.5)" x="12" y="25"/>
  </g>
</svg>
</fo:instream-foreign-object>
) has an external svg image inside and references part of another svg image.
      </fo:block>

      <fo:block>
Apart from this external svg images should behave in the same way that other types of
external graphics do.
      </fo:block>

      <fo:block space-before.optimum="10pt">
The following example shows how you could scale an external svg file.
      </fo:block>

      <fo:block>
<fo:instream-foreign-object>
<svg xmlns="http://www.w3.org/2000/svg" width="20mm" height="20mm" xml:space="preserve">
  <svg viewBox="0 0 20 20" preserveAspectRatio="none">
     <image xlink:href="file:boxes.svg" x="0" y="0" width="20mm" height="20mm"/>
  </svg>
</svg>
</fo:instream-foreign-object>
and
<fo:instream-foreign-object>
<svg xmlns="http://www.w3.org/2000/svg" width="20mm" height="20mm" xml:space="preserve">
  <g transform="scale(3.7)">
     <image xlink:href="file:boxes.svg" x="0" y="0" width="20mm" height="20mm"/>
  </g>
</svg>
</fo:instream-foreign-object>
and
<fo:instream-foreign-object>
<svg viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" width="20mm" height="20mm" xml:space="preserve">
   <image preserveAspectRatio="xMidYMid" xlink:href="file:boxes.svg" x="0" y="0" width="10mm" height="10mm"/>
</svg>
</fo:instream-foreign-object>

      </fo:block>

      <fo:block space-before.optimum="10pt">
This example is an svg from an external image:
<fo:external-graphic src="file:view.svg"/>
it has a viewbox that resizes the contents.
      </fo:block>

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