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Issue #82: Hot reload function

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This commit is contained in:
Jakub Melka
2023-09-01 17:33:45 +02:00
parent 7a77bd796a
commit 7eb2f2a465
13 changed files with 150 additions and 12 deletions
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21
Pdf4QtLib/sources/pdfdocument.h
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@@ -452,14 +452,25 @@ public:
/// header.
QByteArray getVersion() const;
explicit PDFDocument(PDFObjectStorage&& storage, PDFVersion version) :
m_pdfObjectStorage(std::move(storage))
explicit PDFDocument(PDFObjectStorage&& storage, PDFVersion version, QByteArray sourceDataHash) :
m_pdfObjectStorage(std::move(storage)),
m_sourceDataHash(std::move(sourceDataHash))
{
init();
m_info.version = version;
}
/**
* @brief Retrieves the hash of the source data.
*
* This function returns the hash derived from the source data
* from which the document was originally read.
*
* @return Hash value of the source data.
*/
const QByteArray& getSourceDataHash() const { return m_sourceDataHash; }
private:
friend class PDFDocumentReader;
friend class PDFDocumentBuilder;
@@ -482,6 +493,10 @@ private:
/// Catalog object
PDFCatalog m_catalog;
/// Hash of the source byte array's data,
/// from which the document was created.
QByteArray m_sourceDataHash;
};
using PDFDocumentPointer = QSharedPointer<PDFDocument>;
@@ -507,6 +522,7 @@ public:
Authorization = 0x0010, ///< Authorization has changed (for example, old document is granted user access, but for new, owner access)
XFA_Pagination = 0x0020, ///< XFA pagination has been performed (this flag can be set only when Reset flag has been set and not any other flag)
PreserveUndoRedo = 0x0040, ///< Preserve undo/red even when Reset flag is being set
PreserveView = 0x0080, ///< Try to preserve view
};
Q_DECLARE_FLAGS(ModificationFlags, ModificationFlag)
@@ -555,6 +571,7 @@ public:
bool hasPageContentsChanged() const { return m_flags.testFlag(PageContents); }
bool hasPreserveUndoRedo() const { return m_flags.testFlag(PreserveUndoRedo); }
bool hasFlag(ModificationFlag flag) const { return m_flags.testFlag(flag); }
bool hasPreserveView() const { return m_flags.testFlag(PreserveView); }
operator PDFDocument*() const { return m_document; }
operator PDFDocumentPointer() const { return m_documentPointer; }