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Subject: Image scaling driving me crazy. Can this be scripted?
| I tried the various suggestions given and still have to do extensive editing of OxygenXML docbook to ePub conversions if image scaling is used. To demonstrate the issue, here is a simple docbook XML file: <?xml version="1.0" encoding="UTF-8"?> <?xml-model href=""http://docbook.org/xml/5.1/rng/docbook.rng" class="">http://docbook.org/xml/5.1/rng/docbook.rng" schematypens="http://relaxng.org/ns/structure/1.0"?> <?xml-model href=""http://docbook.org/xml/5.1/sch/docbook.sch" class="">http://docbook.org/xml/5.1/sch/docbook.sch" type="application/xml" schematypens="http://purl.oclc.org/dsdl/schematron"?> <article xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.1"> <info> <title>Figure Scaling</title> <author> <personname>John Doe</personname> </author> <author> <orgname>ABC Publishing</orgname> </author> </info> <sect1> <title>The problem</title> <para>Image scaled 25%:</para> <para><inlinemediaobject> <imageobject> <imagedata fileref="../../../../../Applications/Oxygen%20XML%20Editor/samples/personal-images/michelle.taylor.jpg" width="25%" /> </imageobject> </inlinemediaobject></para> <para>Image scaled 50%:</para> <para><inlinemediaobject> <imageobject> <imagedata fileref="../../../../../Applications/Oxygen%20XML%20Editor/samples/personal-images/michelle.taylor.jpg" width="50%" /> </imageobject> </inlinemediaobject></para> <para>Image scaled 75%:</para> <para><inlinemediaobject> <imageobject> <imagedata fileref="../../../../../Applications/Oxygen%20XML%20Editor/samples/personal-images/michelle.taylor.jpg" width="75%" /> </imageobject> </inlinemediaobject></para> </sect1> </article> __________________ When this is exported, it looks fine on Apple Books but generates errors on Epubchecker, since width designation is not allowed in the ePub except as a image.style The OxygenXML generated ebook looks like this: <?xml version="1.0" encoding="utf-8"?><html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops" xmlns:m="http://www.w3.org/1998/Math/MathML" xmlns:pls="http://www.w3.org/2005/01/pronunciation-lexicon" xmlns:ssml="http://www.w3.org/2001/10/synthesis" xmlns:svg="http://www.w3.org/2000/svg"><head><title>Figure Scaling</title> <link rel="stylesheet" type="text/css" href="docbook-epub.css"/> <meta name="generator" content="DocBook XSL Stylesheets V1.79.2"/></head> <body><header/> <section class="article" title="Figure Scaling" id="d0e3"><div class="titlepage"><div><div> <h1 class="title">Figure Scaling</h1></div><div><div class="author"> <h3 class="author">John Doe</h3></div></div><div><div class="author"> <h3 class="author"><span class="orgname">ABC Publishing</span></h3></div></div></div><hr/></div> <section class="sect1" title="The problem" epub:type="subchapter" id="d0e13"><div class="titlepage"><div><div> <h2 class="title" style="clear: both">The problem</h2></div></div></div> <p>Image scaled 25%:</p> <p><span class="inlinemediaobject"><img src="images/michelle.taylor_987157347.jpg" width="25%"/></span></p> <p>Image scaled 50%:</p> <p><span class="inlinemediaobject"><img src="images/michelle.taylor_987157347.jpg" width="50%"/></span></p> <p>Image scaled 75%:</p><p><span class="inlinemediaobject"><img src="images/michelle.taylor_987157347.jpg" width="75%"/></span></p> </section> </section> <footer/> </body> </html> ______________________ This generates errors for each width designation: E [EPUBCHeck 4.2.4] Error while parsing file: value of attribute âwidthâ is invalid; must be an integer ________________________ To fix this I need to add image styles to the CSS: img.A{width: 25%;} img.B{width: 50%;} img.B{width: 75%;}
I can correct the code, but it requires manually changing each image entry, which is a real issue if one has 100 or so images. The corrected ePub code looks like this: <?xml version="1.0" encoding="utf-8"?><html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops" xmlns:m="http://www.w3.org/1998/Math/MathML" xmlns:pls="http://www.w3.org/2005/01/pronunciation-lexicon" xmlns:ssml="http://www.w3.org/2001/10/synthesis" xmlns:svg="http://www.w3.org/2000/svg"> <head> <title>Figure Scaling</title> <link rel="stylesheet" type="text/css" href="docbook-epub.css"/><meta name="generator" content="DocBook XSL Stylesheets V1.79.2"/></head><body><header/> <section class="article" title="Figure Scaling" id="d0e3"><div class="titlepage"><div><div> <h1 class="title">Figure Scaling</h1></div><div><div class="author"> <h3 class="author">John Doe</h3></div></div><div><div class="author"> <h3 class="author"><span class="orgname">ABC Publishing</span></h3></div></div></div><hr/></div> <section class="sect1" title="The problem" epub:type="subchapter" id="d0e13"><div class="titlepage"><div><div> <h2 class="title" style="clear: both">The problem</h2></div></div></div> <p>Image scaled 25%:</p> <p><span class="inlinemediaobject"><img class="A" src="images/michelle.taylor_987157347.jpg"/></span></p> <p>Image scaled 50%:</p> <p><span class="inlinemediaobject"><img class="B" src="images/michelle.taylor_987157347.jpg"/></span></p> <p>Image scaled 75%:</p> <p><span class="inlinemediaobject"><img class="C" src="images/michelle.taylor_987157347.jpg"/></span></p> </section> </section> <footer/> </body> </html> Is there a way of scripting this? |
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