fs_pdfstructtree.h

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#ifndef FS_PDFSSTRUCTTREE_H_
#define FS_PDFSSTRUCTTREE_H_
 
#include "common/fs_common.h"
#include "pdf/objects/fs_pdfobject.h"
 
namespace foxit {
namespace pdf {
  // forward declaration
  class PDFPage;
 
namespace objects { 
class StructTreeEntity : public Base {
 public:
  typedef enum _StructTreeEntityType {
    e_UnknownType = -1,
    e_StructTreeEntityTypeElement = 0,
    e_StructTreeEntityTypeMarkedContent = 1,
    e_StructTreeEntityTypeObjectContent = 2
  } StructTreeEntityType;
  
  
  StructTreeEntity() {}
 
  ~StructTreeEntity();
 
  // 强烈建议用户不要使用此方法；否则可能发生未知情况。
  explicit StructTreeEntity(FS_HANDLE handle);
 
  StructTreeEntity(const StructTreeEntity& other);
 
  StructTreeEntity& operator = (const StructTreeEntity& other);
 
  bool operator == (const StructTreeEntity& other) const;
 
  bool operator != (const StructTreeEntity& other) const;
 
  bool IsEmpty() const;
 
  StructTreeEntityType GetType() const;
 
  PDFPage GetPage() const;
};
 
class StructElement FS_FINAL : public StructTreeEntity {
 public:
  typedef enum _ElementInfoType {
    e_ElementInfoTypeTitle = 0,
    e_ElementInfoTypeLanguage = 1,
    e_ElementInfoTypeAltDescription = 2,
    e_ElementInfoTypeExpandedForm = 3,
    e_ElementInfoTypeActualText = 4
  } ElementInfoType;
  
   
  StructElement() {}
 
  StructElement(const StructElement& other);
 
  StructElement(const StructTreeEntity& other);
 
  // 强烈建议用户不要使用此方法；否则可能发生未知情况。
  explicit StructElement(FS_HANDLE handle);
 
  ~StructElement() {}
 
  String GetStructureTypeName() const;
 
  int GetChildCount() const;
 
  StructTreeEntity GetChild(int index);
 
  void RemoveChild(int index);
 
  bool HasElementInfo(ElementInfoType type) const;
 
  WString GetElementInfo(ElementInfoType type) const;
 
  StructElement GetParentElement();
 };
 
class StructMarkedContent FS_FINAL : public StructTreeEntity {
 public:
  StructMarkedContent() {}
 
  StructMarkedContent(const StructMarkedContent& other);
 
  StructMarkedContent(const StructTreeEntity& other);
 
  // 强烈建议用户不要使用此方法；否则可能发生未知情况。
  explicit StructMarkedContent(FS_HANDLE handle);
 
  ~StructMarkedContent() {}
 
  StructElement GetParentElement();
 
  uint32 GetMCID() const;
 
  pdf::objects::PDFDictionary* GetStmDict() const;
 
  pdf::objects::PDFDictionary* GetStmOwnerDict() const;
};
 
class StructObjectContent FS_FINAL : public StructTreeEntity {
 public:
  typedef enum _StructObjectType {
    e_UnknownType = -1,
    e_StructObjectTypeInvalid = 0,
    e_StructObjectTypeImage = 1,
    e_StructObjectTypeForm = 2,
    e_StructObjectTypeAnnot = 3
  } StructObjectType;
  
 
  StructObjectContent() {}
 
  StructObjectContent(const StructObjectContent& other);
 
  StructObjectContent(const StructTreeEntity& other);
 
  // 强烈建议用户不要使用此方法；否则可能发生未知情况。
  explicit StructObjectContent(FS_HANDLE handle);
 
  ~StructObjectContent() {}
 
  StructElement GetParentElement();
 
  StructObjectType GetObjectType() const;
 
  pdf::objects::PDFDictionary* GetDict() const;
};
 
class PDFStructTree FS_FINAL : public Base {
 public:
  PDFStructTree(const PDFDoc& document);
  
  ~PDFStructTree();
 
  PDFStructTree(const PDFStructTree& other);
 
  PDFStructTree& operator = (const PDFStructTree& other);
 
  bool operator == (const PDFStructTree& other) const;
  bool operator != (const PDFStructTree& other) const;
 
  bool IsEmpty() const;
 
  int GetChildCount() const;
 
  StructElement GetChild(int index) const;
 
  void RemoveChild(int index);
 
   // 强烈建议用户不要使用此方法；否则可能发生未知情况。
   explicit PDFStructTree(FS_HANDLE handle);
};
}  // namespace objects
}  // namespace pdf
}  // namespace foxit
#endif  // FS_PDFSTRUCTTREE_H_