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java.lang.Objectorg.apache.fop.pdf.PDFObject
org.apache.fop.pdf.PDFDictionary
org.apache.fop.pdf.AbstractPDFStream
This is an abstract base class for PDF streams.
| Field Summary |
| Fields inherited from class org.apache.fop.pdf.PDFDictionary |
entries, order |
| Fields inherited from class org.apache.fop.pdf.PDFObject |
DATE_FORMAT, log |
| Constructor Summary | |
AbstractPDFStream()
Constructor for AbstractPDFStream. |
|
| Method Summary | |
protected int |
encodeAndWriteStream(java.io.OutputStream out,
PDFNumber refLength)
Encodes and writes a stream directly to an OutputStream. |
protected StreamCache |
encodeStream()
Encodes the raw data stream for output to a PDF file. |
PDFFilterList |
getFilterList()
Returns the associated filter list. |
protected abstract int |
getSizeHint()
Returns a value that hints at the size of the encoded stream. |
protected int |
output(java.io.OutputStream stream)
Overload the base object method so we don't have to copy byte arrays around so much Write the PDF represention of this object |
protected abstract void |
outputRawStreamData(java.io.OutputStream out)
Sends the raw stream data to the target OutputStream. |
protected int |
outputStreamData(StreamCache encodedStream,
java.io.OutputStream out)
Output just the stream data enclosed by stream/endstream markers |
protected void |
populateStreamDict(java.lang.Object lengthEntry)
Populates the dictionary with all necessary entries for the stream. |
protected void |
prepareImplicitFilters()
Prepares implicit filters (such as the DCTFilter for JPEG images). |
protected void |
setupFilterList()
Sets up the default filters for this stream if they haven't been set from outside. |
| Methods inherited from class org.apache.fop.pdf.PDFDictionary |
get, put, put, writeDictionary |
| Methods inherited from class org.apache.fop.pdf.PDFObject |
encode, encodeBinaryToHexString, encodeString, encodeText, formatDateTime, formatDateTime, formatObject, getDocument, getDocumentSafely, getGeneration, getObjectID, getObjectNumber, getParent, hasObjectNumber, makeReference, outputInline, referencePDF, setDocument, setObjectNumber, setParent, toPDF, toPDFString |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public AbstractPDFStream()
| Method Detail |
protected void setupFilterList()
public PDFFilterList getFilterList()
protected abstract int getSizeHint()
throws java.io.IOException
java.io.IOException - in case of an I/O problem
protected abstract void outputRawStreamData(java.io.OutputStream out)
throws java.io.IOException
out - OutputStream to write to
java.io.IOException - In case of an I/O problem
protected int outputStreamData(StreamCache encodedStream,
java.io.OutputStream out)
throws java.io.IOException
encodedStream - already encoded/filtered stream to writeout - OutputStream to write to
java.io.IOException - in case of an I/O problem
protected StreamCache encodeStream()
throws java.io.IOException
java.io.IOException - in case of an I/O problem
protected int encodeAndWriteStream(java.io.OutputStream out,
PDFNumber refLength)
throws java.io.IOException
out - OutputStream to write torefLength - PDFNumber object to receive the stream length
java.io.IOException - in case of an I/O problem
protected int output(java.io.OutputStream stream)
throws java.io.IOException
output in class PDFDictionaryjava.io.IOExceptionprotected void populateStreamDict(java.lang.Object lengthEntry)
lengthEntry - value for the /Length entryprotected void prepareImplicitFilters()
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