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Bugfix - find inline image stream length

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This commit is contained in:
Jakub Melka
2020-09-20 11:53:46 +02:00
parent 5e603b7781
commit a9acfa31e3
3 changed files with 88 additions and 2 deletions
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18
PdfForQtLib/sources/pdfpagecontentprocessor.cpp
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@ -21,6 +21,7 @@
#include "pdfimage.h"
#include "pdfpattern.h"
#include "pdfexecutionpolicy.h"
#include "pdfstreamfilters.h"
#include <QPainterPathStroker>
@ -548,8 +549,21 @@ void PDFPageContentProcessor::processContent(const QByteArray& content)
}
else if (dictionary->hasKey("Filter"))
{
// We will use EI operator position to determine stream length
dataLength = operatorEIPosition - startDataPosition;
dataLength = -1;
// We will try to use stream filter hint
PDFDocumentDataLoaderDecorator loader(m_document);
QByteArray filterName = loader.readNameFromDictionary(dictionary, "Filter");
if (!filterName.isEmpty())
{
dataLength = PDFStreamFilterStorage::getStreamDataLength(content, filterName, startDataPosition);
}
if (dataLength == -1)
{
// We will use EI operator position to determine stream length
dataLength = operatorEIPosition - startDataPosition;
}
}
else
{