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java.lang.Objectorg.apache.fop.pdf.PDFObject
org.apache.fop.pdf.PDFDictionary
org.apache.fop.pdf.AbstractPDFStream
org.apache.fop.pdf.PDFXObject
org.apache.fop.pdf.PDFImageXObject
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 |
| 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 | |
PDFImageXObject(int xnumber,
PDFImage img)
create an XObject with the given number and name and load the image in the object |
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| Method Summary | |
protected java.lang.String |
getDefaultFilterName()
Returns the name of a suitable filter for this PDF object. This class uses the PDFImage instance to determine the default filter. |
protected int |
getSizeHint()
Returns a value that hints at the size of the encoded stream. This is used to optimize buffer allocation so fewer buffer reallocations are necessary. |
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 |
populateStreamDict(java.lang.Object lengthEntry)
Populates the dictionary with all necessary entries for the stream. Override this method if you need additional entries. |
protected void |
prepareImplicitFilters()
Prepares implicit filters (such as the DCTFilter for JPEG images). You must make sure that the appropriate filters are in the filter list at the right places. |
| Methods inherited from class org.apache.fop.pdf.PDFXObject |
getName |
| Methods inherited from class org.apache.fop.pdf.AbstractPDFStream |
encodeAndWriteStream, encodeStream, getFilterList, outputStreamData, setupFilterList |
| Methods inherited from class org.apache.fop.pdf.PDFDictionary |
get, put, put, writeDictionary |
| Methods inherited from class org.apache.fop.pdf.PDFObject |
contentEquals, 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 PDFImageXObject(int xnumber,
PDFImage img)
xnumber - the pdf object X numberimg - the pdf image that contains the image data| Method Detail |
protected int output(java.io.OutputStream stream)
throws java.io.IOException
output in class AbstractPDFStreamstream - the output stream to write the data
java.io.IOException - if there is an error writing the dataprotected void populateStreamDict(java.lang.Object lengthEntry)
populateStreamDict in class PDFXObject
protected void outputRawStreamData(java.io.OutputStream out)
throws java.io.IOException
outputRawStreamData in class AbstractPDFStreamout - OutputStream to write to
java.io.IOException - In case of an I/O problem
protected int getSizeHint()
throws java.io.IOException
getSizeHint in class PDFXObjectjava.io.IOExceptionprotected void prepareImplicitFilters()
prepareImplicitFilters in class AbstractPDFStreamprotected java.lang.String getDefaultFilterName()
getDefaultFilterName in class AbstractPDFStreamPDFFilterList
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