| Package | Description | 
|---|---|
| org.apache.pdfbox.multipdf | |
| org.apache.pdfbox.pdmodel.graphics.optionalcontent | 
| Modifier and Type | Method and Description | 
|---|---|
| PDOptionalContentGroup | LayerUtility. appendFormAsLayer(PDPage targetPage,
                 PDFormXObject form,
                 AffineTransform transform,
                 String layerName)Places the given form over the existing content of the indicated page (like an overlay). | 
| Modifier and Type | Method and Description | 
|---|---|
| PDOptionalContentGroup | PDOptionalContentProperties. getGroup(String name)Returns the optional content group of the given name. | 
| Modifier and Type | Method and Description | 
|---|---|
| Collection<PDOptionalContentGroup> | PDOptionalContentProperties. getOptionalContentGroups()Returns the collection of all optional content groups. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | PDOptionalContentProperties. addGroup(PDOptionalContentGroup ocg)Adds an optional content group (OCG). | 
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