fs_pdfpagelabel.h

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#ifndef FS_PDFPAGELABEL_H_
#define FS_PDFPAGELABEL_H_

#include "common/fs_common.h"
#include "pdf/fs_pdfdoc.h"
#include "pdf/objects/fs_pdfobject.h"
#include "pdf/objects/fs_pdfnumbertree.h"

namespace foxit {
namespace pdf {
class PageLabels FS_FINAL : public Base {
 public:
  typedef enum _Style {
    e_None = 0,
    e_DecimalNums = 1,
    e_UpperRomanNums = 2,
    e_LowerRomanNums = 3,
    e_UpperLetters = 4,
    e_LowerLetters = 5
  } Style;
  
  explicit PageLabels(const PDFDoc& document);
  ~PageLabels();
  // User is strongly recommended NOT to use this method; otherwise unknown situation may occur.
  explicit PageLabels(FS_HANDLE handle);
  PageLabels(const PageLabels& other);
  PageLabels& operator= (const PageLabels& other);
  bool operator == (const PageLabels& other) const;
  bool operator != (const PageLabels& other) const;

  bool IsEmpty() const;

  WString GetPageLabelTitle(int page_index) const;

  bool HasPageLabel(int page_index);

  Style GetPageLabelStyle(int page_index) const;
  WString GetPageLabelPrefix(int page_index) const;
  int GetPageLabelStart(int page_index) const;

  void SetPageLabel(int page_index, Style label_style, int first_label_number, const WString& prefix_string = WString());

  void RemovePageLabel(int page_index);

  void RemoveAll();

  objects::PDFNumberTree GetNumberTree();

};
}  // namespace pdf
}  // namespace foxit
#endif  //  FS_PDFPAGELABEL_H_