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java.lang.Objectcom.etymon.pjx.util.PdfPageTree
public class PdfPageTree
Provides methods for retrieving and modifying the page tree of a PDF document. This class is synchronized.
Field Summary | |
---|---|
protected PdfCatalog |
_catalog
The catalog associated with this document. |
protected static java.util.Set |
_inheritable
Defines the set of inheritable field attributes. |
protected PdfManager |
_m
The manager associated with this document. |
protected PdfReference |
_pageTreeRoot
The page tree root of the document. |
protected static PdfName |
PDFNAME_COUNT
|
protected static PdfName |
PDFNAME_KIDS
|
protected static PdfName |
PDFNAME_PAGE
|
protected static PdfName |
PDFNAME_PAGES
|
protected static PdfName |
PDFNAME_PARENT
|
protected static PdfName |
PDFNAME_TYPE
|
Constructor Summary | |
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PdfPageTree(PdfManager manager)
Constructs a PdfPageTree instance based on a
specified PdfManager . |
Method Summary | |
---|---|
int |
getNumberOfPages()
Returns the number of pages in the document. |
PdfReference |
getPage(int pageNumber)
Returns an indirect reference to a page object specified by page number. |
PdfReference |
getRoot()
Returns an indirect reference to the root node of the document's page tree. |
PdfDictionary |
inheritAttributes(PdfDictionary page)
Adds inherited attributes to a specified page dictionary object. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected PdfReference _pageTreeRoot
protected PdfManager _m
protected PdfCatalog _catalog
protected static java.util.Set _inheritable
protected static final PdfName PDFNAME_COUNT
protected static final PdfName PDFNAME_KIDS
protected static final PdfName PDFNAME_PAGE
protected static final PdfName PDFNAME_PAGES
protected static final PdfName PDFNAME_PARENT
protected static final PdfName PDFNAME_TYPE
Constructor Detail |
---|
public PdfPageTree(PdfManager manager)
PdfPageTree
instance based on a
specified PdfManager
.
Method Detail |
---|
public PdfReference getPage(int pageNumber) throws java.io.IOException, PdfFormatException
inheritAttributes(PdfDictionary)
should be used to obtain
inherited attributes.
pageNumber
- the page number. The numbering starts
with 0
.
java.io.IOException
PdfFormatException
public int getNumberOfPages() throws java.io.IOException, PdfFormatException
java.io.IOException
PdfFormatException
public PdfReference getRoot() throws java.io.IOException, PdfFormatException
java.io.IOException
PdfFormatException
public PdfDictionary inheritAttributes(PdfDictionary page) throws java.io.IOException, PdfFormatException
page
- the page dictionary to be filled in with
inherited attributes.
java.io.IOException
PdfFormatException
|
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