Details
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Type:
Improvement
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: 4.2
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Fix Version/s: 5.0.0 alpha1, 5.0
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Component/s: Core/Parsing
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Labels:None
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Environment:-
Description
Unable to render PDF-file with layers that can be turned on and off.
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The concept is of layers is pretty well defined. The ContentParser and Shapes class could be updated relatively easily to support this new features. Basically each marker for a new layer would result in a new shapes vector and corresponding visibility flag. The page class paint method would have to be overloaded with a new method that would allow users to chose which layers to paint. A new page level method would also be needed to get the layers if any that are available.
And of course the viewer RI would needs to be updated to display any available layers on the utility panel as a new tab.
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Patrick Corless
added a comment - The concept is of layers is pretty well defined. The ContentParser and Shapes class could be updated relatively easily to support this new features. Basically each marker for a new layer would result in a new shapes vector and corresponding visibility flag. The page class paint method would have to be overloaded with a new method that would allow users to chose which layers to paint. A new page level method would also be needed to get the layers if any that are available.
And of course the viewer RI would needs to be updated to display any available layers on the utility panel as a new tab.
This issue was fixed as the result of PDF-319 (optional content support) being implemented for 5.0. Test files works as expected now.
Show
Patrick Corless
added a comment - This issue was fixed as the result of PDF-319 (optional content support) being implemented for 5.0. Test files works as expected now.
After all these years a second example of layers, cool. See what we can do to get this into the next major release.