Dominic Tubach created PDFBOX-2274:
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Summary: Decoding issue in PDImageXObject
Key: PDFBOX-2274
URL: https://issues.apache.org/jira/browse/PDFBOX-2274
Project: PDFBox
Issue Type: Bug
Components: PDModel
Affects Versions: 2.0.0
Reporter: Dominic Tubach
I'm using JpegFactory to create an PDImageXObject from a content stream. There
the constrcutor
{code}
PDImageXObject(PDDocument document, InputStream filteredStream,
COSBase cosFilter, int width, int height, int bitsPerComponent,
PDColorSpace initColorSpace)
{code}
is used.
I've found the following issue:
The method getUnfilteredStream() of the COSStream in the PDImageXObject returns
an input stream containing a RandomAccessFileInputStream with
{{currentPosition = 50814}} and {{endPosition = 1440000}} and my following
operation fails.
If the method doDecode() of the COSStream is called before the filter is set in
the COSStream the input stream returned by getUnfilteredStream() contains a
RandomAccessFileInputStream with {{currentPosition = 0}} and {{endPosition =
50814}} and the result is as expected.
I've achieved this by adding
{code}
getStream().getStream().getDecodeResult();
{code}
before
{code}
getCOSStream().setItem(COSName.FILTER, cosFilter);
{code}
in the PDImageXObject contructor.
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