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TOPIC: PDF Layer Support

PDF Layer Support 4 years 7 months ago #1328

  • Chumper
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Any chance for layer support in the future versions?
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PDF Layer Support 4 years 7 months ago #1332

  • radaee
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what means of layer?
draw somthing over page?
sure, it has. just draw somgthing on canvas in onPageDiaplayed()
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PDF Layer Support 4 years 7 months ago #1338

  • Chumper
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With Layers i mean objects that belong to a certain "optional content group".

See the example below, i inserted two optional Layers inside the pdf.
Take a look at line 25, there are the ocg described.

Please see this link for a little bit more information:;
www.verypdf.com/document/pdf-format-reference/pg_0364.htm


File Attachment:

File Name: layer.pdf
File Size: 10 KB
Last Edit: 4 years 7 months ago by d4ng3r.
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PDF Layer Support 4 years 7 months ago #1339

  • Chumper
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Would be great to have the following options fot the Page object:

createLayer(String)
deleteLayer(String)
getLayers()
getLayer(String)
hideLayer()
showLayer()
removeFromLayer()
addToLayer()

What do you think?
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PDF Layer Support 4 years 7 months ago #1351

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OK, this is not named as Layer but optional content
which can be visible or invisible determinated by SDK.
this feature won't be supported in near feature, and not sure will support in furture.
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