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java.lang.Objectorg.apache.fop.pdf.PDFObject
org.apache.fop.pdf.AbstractPDFStream
org.apache.fop.pdf.PDFXObject
public class PDFXObject
PDF XObject A derivative of the PDF Object, is a PDF Stream that has not only a dictionary but a stream of image data. The dictionary just provides information like the stream length. This outputs the image dictionary and the image data. This is used as a reference for inserting the same image in the document in another place.
Field Summary |
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Fields inherited from class org.apache.fop.pdf.PDFObject |
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DATE_FORMAT, log |
Constructor Summary | |
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PDFXObject(int xnumber,
PDFImage img)
create an XObject with the given number and name and load the image in the object |
Method Summary | |
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protected java.lang.String |
buildStreamDict(java.lang.String lengthEntry)
Constructs the dictionary for the stream. |
protected int |
getSizeHint()
Returns a value that hints at the size of the encoded stream. |
int |
getXNumber()
Get the xnumber for this pdf object. |
protected int |
output(java.io.OutputStream stream)
Output the image as PDF. |
protected void |
outputRawStreamData(java.io.OutputStream out)
Sends the raw stream data to the target OutputStream. |
protected void |
prepareImplicitFilters()
Prepares implicit filters (such as the DCTFilter for JPEG images). |
protected void |
setupFilterList()
This sets up the default filters for XObjects. |
Methods inherited from class org.apache.fop.pdf.AbstractPDFStream |
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encodeAndWriteStream, encodeStream, getFilterList, outputStreamData |
Methods inherited from class org.apache.fop.pdf.PDFObject |
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encode, encodeString, encodeText, formatDateTime, formatObject, getDocument, getDocumentSafely, getGeneration, getObjectID, getObjectNumber, hasObjectNumber, makeReference, referencePDF, setDocument, setObjectNumber, toInlinePDFString, toPDF, toPDFString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PDFXObject(int xnumber, PDFImage img)
xnumber
- the pdf object X numberimg
- the pdf image that contains the image dataMethod Detail |
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public int getXNumber()
protected int output(java.io.OutputStream stream) throws java.io.IOException
output
in class AbstractPDFStream
stream
- the output stream to write the data
java.io.IOException
- if there is an error writing the dataPDFObject.output(OutputStream)
protected java.lang.String buildStreamDict(java.lang.String lengthEntry)
AbstractPDFStream
buildStreamDict
in class AbstractPDFStream
lengthEntry
- value for the /Length entry
AbstractPDFStream.buildStreamDict(String)
protected void outputRawStreamData(java.io.OutputStream out) throws java.io.IOException
AbstractPDFStream
outputRawStreamData
in class AbstractPDFStream
out
- OutputStream to write to
java.io.IOException
- In case of an I/O problemPDFStream.outputRawStreamData(OutputStream)
protected int getSizeHint() throws java.io.IOException
AbstractPDFStream
getSizeHint
in class AbstractPDFStream
java.io.IOException
- in case of an I/O problemAbstractPDFStream.getSizeHint()
protected void prepareImplicitFilters()
AbstractPDFStream
prepareImplicitFilters
in class AbstractPDFStream
AbstractPDFStream.prepareImplicitFilters()
protected void setupFilterList()
setupFilterList
in class AbstractPDFStream
AbstractPDFStream.setupFilterList()
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