2022-04-04 17:06:06 +02:00
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/* CHAPTER 16. Optional Content Groups */
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/** Begins retrieving optional content group names. The serial number
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<code>0..n - 1</code> is returned. */
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public native int startGetOCGList(Pdf pdf) throws CpdfError;
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/** Retrieves an entry in the optional content group list, given the serial
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number <code>0..n - 1</code>. */
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public native String OCGListEntry(int serial) throws CpdfError;
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/** Ends retrieval of optional content group names. */
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public native void endGetOCGList() throws CpdfError;
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/** Renames an optional content group.
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@param pdf PDF document
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@param f name to rename from
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@param t name to rename to */
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public native void OCGRename(Pdf pdf, String f, String t) throws CpdfError;
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/** Ensures that every optional content group appears in the OCG order
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list. */
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public native void OCGOrderAll(Pdf pdf) throws CpdfError;
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/** Coalesces optional content groups. For example, if we merge or stamp
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two files both with an OCG called "Layer 1", we will have two different
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optional content groups. This function will merge the two into a single
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optional content group. */
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public native void OCGCoalesce(Pdf pdf) throws CpdfError;
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