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Issue #10: Ability to cancel the operation

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Jakub Melka
2022-02-04 20:03:23 +01:00
parent 284f0c4db8
commit 49cab7937a
15 changed files with 302 additions and 61 deletions
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11
Pdf4QtLib/sources/pdfpagecontentprocessor.h
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@ -26,6 +26,7 @@
#include "pdfmeshqualitysettings.h"
#include "pdfblendfunction.h"
#include "pdftextlayout.h"
#include "pdfoperationcontrol.h"
#include <QMatrix>
#include <QPainterPath>
@ -237,6 +238,15 @@ public:
/// or true, if it is suppressed.
virtual bool isContentSuppressedByOC(PDFObjectReference ocgOrOcmd);
/// Sets operation control object which can decide, if operation should
/// be cancelled. If this is the case, page content processor stops
/// processing page contents.
/// \param newOperationControl Operation control object
void setOperationControl(const PDFOperationControl* newOperationControl);
/// Returns true, if page content processing is being cancelled
bool isProcessingCancelled() const;
protected:
struct PDFTransparencyGroup
@ -1009,6 +1019,7 @@ private:
const PDFFontCache* m_fontCache;
const PDFCMS* m_CMS;
const PDFOptionalContentActivity* m_optionalContentActivity;
const PDFOperationControl* m_operationControl;
const PDFDictionary* m_colorSpaceDictionary;
const PDFDictionary* m_fontDictionary;
const PDFDictionary* m_xobjectDictionary;