fs_taggedpdf.h

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#ifndef FS_TAGGEDPDF_H_
#define FS_TAGGEDPDF_H_

#include "common/fs_common.h"
#include "pdf/fs_pdfdoc.h"
#include "pdf/fs_pdfpage.h"

namespace foxit {
namespace addon {
namespace accessibility {
class TaggedPDFCallback {
 public:
  typedef enum _ReportCategory {
    e_ReportCategoryRegion = 0,
    e_ReportCategoryArtifact = 1,
    e_ReportCategoryParagraph = 2,
    e_ReportCategoryListItem = 3,
    e_ReportCategoryFigure = 4,
    e_ReportCategoryTable = 5,
    e_ReportCategoryTableRow = 6,
    e_ReportCategoryTableHeader = 7,
    e_ReportCategoryTocItem = 8
  } ReportCategory;
  
  typedef enum _ReportConfidence {
    e_ReportConfidenceHigh = 0,
    e_ReportConfidenceMediumHigh = 1,
    e_ReportConfidenceMedium = 2,
    e_ReportConfidenceMediumLow = 3,
    e_ReportConfidenceLow = 4
  } ReportConfidence;
  

  virtual void Release() = 0;

  virtual void Report(ReportCategory category, ReportConfidence confidence, int page_index, const RectF& rect) = 0;

 protected:
  ~TaggedPDFCallback() {}
};

class TaggedPDF FS_FINAL : public Base {
 public:
  TaggedPDF(const foxit::pdf::PDFDoc& doc);

  // 强烈建议用户不要使用此方法；否则可能发生未知情况。
  explicit TaggedPDF(FS_HANDLE handle);

  ~TaggedPDF();

  TaggedPDF(const TaggedPDF& other);

  TaggedPDF& operator=(const TaggedPDF& other);

  bool operator==(const TaggedPDF& other) const;

  bool operator!=(const TaggedPDF& other) const;

  bool IsEmpty() const;

  void SetCallback(TaggedPDFCallback* callback);

  common::Progressive StartTagDocument(common::PauseCallback* pause = NULL);

  int GetFigureCount();

  bool SetAsDecorativeFigure(int figure_index);

  void SetFigureAlternateText(int figure_index, const wchar_t*  alternate_text);

  WString GetFigureAlternateText(int figure_index);

  RectF GetFigureRect(int figure_index);

  int GetFigurePageIndex(int figure_index);

};

}
}
}
#endif