[xep-support] image maps?

[Alexander Peshkov]

Hello Carlos,

Block-containers with absolute-position="absolute" positioned with
respect to the parent reference-area. Note that absolutely positioned
containers must have both inline and block-progressions dimensions
(width and height). 
For example, try to format something like this and you'll see how
positioning is working:

  <fo:block-container border="thin solid red" width="200pt" height="150pt">
    <fo:block-container border="thin solid green" width="70pt" height="60pt" left="70pt" top="70pt" absolute-position="absolute">
      <fo:block-container border="thin solid blue" width="40pt" height="30pt" left="20pt" top="20pt" absolute-position="absolute">
        <fo:block>text</fo:block>
      </fo:block-container>
    </fo:block-container>
  </fo:block-container>

Best regards,
Alexander Peshkov                             mailto:peshkov at renderx.com
RenderX  

CV> Hi,

CV> I've been trying to implement this but my absolutely positioned 
CV> containers are being positioned relative to the page region, not to the 
CV> parent block or block-container. I'm using XEP 3.84 and doing something 
CV> like:

CV> <fo:block-container>
CV>   <fo:block>
CV>    <fo:external-graphics src="somefig"/>
CV>    <fo:block-container abosolute-position="absolute"
CV>                         z-index="2"
CV>                         left="10pt"
CV>                        top="30pt">
CV>      <fo:block>
CV>       <fo:basic-link 
CV> internal-destination="someid"/>sometext</xsl:basic-link>
CV>      </fo:block>
CV>    </fo:block-container
CV>   </fo:block>
CV> </fo:block-container>

CV> For now I'm just testing the position and the linking, I'll deal with 
CV> making the links transparent later. The linking is working but as I said 
CV> the positions are relative to the top of the page.
CV> Any ideas?

CV> Carlos

CV> Alexander Peshkov wrote:
>> Hello Camille,
>> 
>> This kind of problem can be solved with the approach I've described -
>> create a block container with the same size as an image, put image
>> into the background, position linked page numbers inside of this
>> container either using absolutely positioned containers or
>> indents/spaces on blocks. That's it.
>> 
>> Best regards,
>> Alexander Peshkov                             mailto:peshkov at renderx.com
>> RenderX
>> 
>> 
>> CB> Hi,
>> 
>> CB> I am confronted to the same problem: when presenting a software 
>> CB> interface, or a process diagram, it is nice to be able to provide page 
>> CB> numbers inside the image to the related section of the book.
>> 
>> CB> I'm sure someone already had that need?
>> 
>> CB> Camille.
>> 
>> CB> Alexander Peshkov wrote:
>> 
>>>>Hello Carlos,
>>>>
>>>>There is nothing like image-maps in XSL-FO, that is you cannot define
>>>>"hot" areas of arbitrary form. However what you can do is create
>>>>overlapping rectangular areas using absolutely positioned
>>>>fo:block-containers (every such area may be linked to a different
>>>>thing). In the simple cases it may feasible to put actual image into
>>>>background and just position linked (possibly transparent) objects
>>>>atop of it.
>>>>
>>>>Best regards,
>>>>Alexander Peshkov                             mailto:peshkov at renderx.com
>>>>RenderX
>>>>
>>>>
>>>>CV> Hi,
>>>>
>>>>CV> This is my first post to this list.
>>>>
>>>>CV> I want to know if it's possible to implement something similar to HTML 
>>>>CV> image maps for the PDF output. I'm using XEP 3.8.4.
>>>>CV> In other words, I want to link from within an area in an image to 
>>>>CV> another part of the same PDF document. My images are SVG that I'm 
>>>>CV> producing with Batik, so if there's something needed from the SVG side I 
>>>>CV> can add it. I just started to work with XSL:FO so I haven't figured out 
>>>>CV> if something can be done with XSL:FO alone, like overlaping basic-links 
>>>>CV> on the image using relative positioning, or something simpler I'm missing.
>>>>
>>>>CV> Thanks,
>>>>
>>>>CV> Carlos
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>>>>
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>> 
>> 
>> 
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