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org.pdfbox.pdmodel.graphics.predictor (PDFBox-0.7.3 API)
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<H2>
Package org.pdfbox.pdmodel.graphics.predictor
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The predictor package contains code for different PNG predictor algorithms that
are present in PDF documents.
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<B>See:</B>
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<A HREF="#package_description"><B>Description</B></A>
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<TD WIDTH="15%"><B><A HREF="../../../../../org/pdfbox/pdmodel/graphics/predictor/Average.html" title="class in org.pdfbox.pdmodel.graphics.predictor">Average</A></B></TD>
<TD>We can use raw on the right hand side of
the decoding formula because it is already decoded.
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<TD WIDTH="15%"><B><A HREF="../../../../../org/pdfbox/pdmodel/graphics/predictor/None.html" title="class in org.pdfbox.pdmodel.graphics.predictor">None</A></B></TD>
<TD>The none algorithm.
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<TD WIDTH="15%"><B><A HREF="../../../../../org/pdfbox/pdmodel/graphics/predictor/Paeth.html" title="class in org.pdfbox.pdmodel.graphics.predictor">Paeth</A></B></TD>
<TD>From http://www.w3.org/TR/PNG-Filters.html: The Paeth filter computes a
simple linear function of the three neighboring pixels (left, above, upper
left), then chooses as predictor the neighboring pixel closest to the
computed value. </TD>
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<TD>Implements different PNG predictor algorithms that is used in PDF files.</TD>
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<TD WIDTH="15%"><B><A HREF="../../../../../org/pdfbox/pdmodel/graphics/predictor/Sub.html" title="class in org.pdfbox.pdmodel.graphics.predictor">Sub</A></B></TD>
<TD>The sub algorithm.
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<TD WIDTH="15%"><B><A HREF="../../../../../org/pdfbox/pdmodel/graphics/predictor/Up.html" title="class in org.pdfbox.pdmodel.graphics.predictor">Up</A></B></TD>
<TD>The up algorithm.
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<TD WIDTH="15%"><B><A HREF="../../../../../org/pdfbox/pdmodel/graphics/predictor/Uptimum.html" title="class in org.pdfbox.pdmodel.graphics.predictor">Uptimum</A></B></TD>
<TD>In an Uptimum encoded image, each line takes up width*bpp+1 bytes. </TD>
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Package org.pdfbox.pdmodel.graphics.predictor Description
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The predictor package contains code for different PNG predictor algorithms that
are present in PDF documents. These classes are used internally by PDFBox.
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