AudioBook Plugin: create audio book stream

Pdf4QtLib/sources/pdfdocumenttextflow.cpp

@@ -974,6 +974,27 @@ PDFDocumentTextFlowEditor::PageIndicesMappingRange PDFDocumentTextFlowEditor::ge
     return std::equal_range(m_pageIndicesMapping.cbegin(), m_pageIndicesMapping.cend(), std::make_pair(pageIndex, size_t(0)), comparator);
 }
 
+PDFDocumentTextFlow PDFDocumentTextFlowEditor::createEditedTextFlow() const
+{
+    PDFDocumentTextFlow::Items items;
+    items.reserve(getItemCount());
+
+    const size_t size = getItemCount();
+    for (size_t i = 0; i < size; ++i)
+    {
+        if (isRemoved(i))
+        {
+            continue;
+        }
+
+        PDFDocumentTextFlow::Item item = *getOriginalItem(i);
+        item.text = getText(i);
+        items.emplace_back(std::move(item));
+    }
+
+    return PDFDocumentTextFlow(std::move(items));
+}
+
 void PDFDocumentTextFlowEditor::createPageMapping()
 {
     m_pageIndicesMapping.clear();

Pdf4QtLib/sources/pdfdocumenttextflow.h

@@ -261,6 +261,11 @@ public:
 
     const EditedItem* getEditedItem(size_t index) const { return &m_editedTextFlow.at(index); }
 
+    /// Creates text flow from active edited items. If item is removed,
+    /// then it is not added into this text flow. User text modification
+    /// is applied to a text flow.
+    PDFDocumentTextFlow createEditedTextFlow() const;
+
 private:
     void createPageMapping();
     void createEditedFromOriginalTextFlow();

Pdf4QtLib/sources/pdfplugin.h

@@ -54,9 +54,19 @@ public:
     explicit IPluginDataExchange() = default;
     virtual ~IPluginDataExchange() = default;
 
+    struct VoiceSettings
+    {
+        QString directory;
+        QString voiceName;
+        double volume = 1.0;
+        double rate = 0.0;
+        double pitch = 0.0;
+    };
+
     virtual QString getOriginalFileName() const = 0;
     virtual pdf::PDFTextSelection getSelectedText() const = 0;
     virtual QMainWindow* getMainWindow() const = 0;
+    virtual VoiceSettings getVoiceSettings() const = 0;
 };
 
 class PDF4QTLIBSHARED_EXPORT PDFPlugin : public QObject