Priority: P2
            Bug ID: 53820
           Summary: Wishlist: Image callouts in Docbook that actually work
          Severity: enhancement
    Classification: Unclassified
                OS: All
          Hardware: All
            Status: NEW
           Version: 1.0
         Component: general
           Product: Fop

I'm not sure this is a FOP problem, or if it is the Docbook stylesheets that is
the problem. I suspect that FOP would need to do the work anyways.

The image callout tag in Docbook (any version) is not useful. When writing user
manuals for software, a not insignificant part of the work is creating
screenshots and marking parts of the screen. If the screens could be "tagged"
with callouts in a structured manner such as Docbook, then the workload would
be significantly reduced. People use all sorts of horrible solutions such as
doing it in Word, Powerpoint, or many different programs. 

One authoritative source has a work-intensive workaround.

This documents the tag:

Current status with FOP:
Callouts are not rendered on top of images
Callouts are rendered in a calloutlist, below the figure (using standard

Expected behavior:
Given the following input:
      <title>The main screen</title>
          <areaspec units="calspair">
            <area coords="0, 0 1000, 1000" xml:id="firstcallout"/>
            <imagedata fileref="screenshots/mainscreen.jpg"/>
            <callout arearefs="firstcallout">
              <para>A first callout</para>

FOP should ideally produce a PDF file with a figure looks like "mainscreen.jpg"
but is actually "mainscreen.jpg" merged with a "1.svg" file at the coordinates
(callout number 1).

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