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java.lang.Objectorg.apache.fop.pdf.PDFObject
org.apache.fop.pdf.AbstractPDFStream
org.apache.fop.pdf.PDFXObject
org.apache.fop.pdf.PDFImageXObject
public class 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 |
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| Fields inherited from class org.apache.fop.pdf.PDFObject |
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log |
| Constructor Summary | |
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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 | |
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protected java.lang.String |
getDefaultFilterName()
Returns the name of a suitable filter for this PDF object. |
protected int |
getSizeHint()
Returns a value that hints at the size of the encoded stream. |
protected boolean |
multipleFiltersAllowed()
Whether multiple filters can be applied. |
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. |
protected void |
prepareImplicitFilters()
Prepares implicit filters (such as the DCTFilter for JPEG images). |
| Methods inherited from class org.apache.fop.pdf.PDFXObject |
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getName |
| Methods inherited from class org.apache.fop.pdf.AbstractPDFStream |
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encodeAndWriteStream, encodeStream, get, getDictionary, getFilterList, outputStreamData, put, setDocument, setupFilterList |
| Methods inherited from class org.apache.fop.pdf.PDFObject |
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contentEquals, encode, encodeBinaryToHexString, encodeString, encodeText, formatObject, getDocument, getDocumentSafely, getGeneration, getObjectID, getObjectNumber, getParent, hasObjectNumber, makeReference, outputInline, referencePDF, setObjectNumber, setParent, 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 PDFImageXObject(int xnumber,
PDFImage img)
xnumber - the pdf object X numberimg - the pdf image that contains the image data| Method Detail |
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public 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 PDFXObjectlengthEntry - value for the /Length entry
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.IOException - in case of an I/O problemprotected void prepareImplicitFilters()
prepareImplicitFilters in class AbstractPDFStreamprotected java.lang.String getDefaultFilterName()
getDefaultFilterName in class AbstractPDFStreamPDFFilterListprotected boolean multipleFiltersAllowed()
multipleFiltersAllowed in class AbstractPDFStream
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