fs_common.h

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#ifndef FS_COMMON_H_
#define FS_COMMON_H_

#include "fs_basictypes.h"

namespace foxit {
namespace common {
  typedef enum _UserPermissions {
    e_PermPrint = 0x0004,
    e_PermModify = 0x0008,
    e_PermExtract = 0x0010,
    e_PermAnnotForm = 0x0020,
    e_PermFillForm = 0x0100,
    e_PermExtractAccess = 0x0200,
    e_PermAssemble = 0x0400,
    e_PermPrintHigh = 0x0800
  } UserPermissions;
  

class ConvertCheckCallback {
 public:
  virtual bool CheckUserPermissions(uint32 user_permissions) = 0;
};

class Library FS_FINAL : public Object {
 public:
  static ErrorCode Initialize(const char* sn, const char* key);

  static ErrorCode Reinitialize();

  static void Release();

  static String GetVersion();

  static void EnableThreadSafety(bool is_enable_thread_safety);

  static bool SetConvertCheckCallback(ConvertCheckCallback* convert_check_callback);

 private:
  Library(const Library&);
  Library& operator = (const Library&);
};

class Progressive : public Base {
 public:
  typedef enum _State {
    e_Error = 0,
    e_ToBeContinued = 1,
    e_Finished = 2
  } State;
  
  Progressive(const Progressive& other);
  ~Progressive();

  Progressive& operator = (const Progressive& other);

  State Continue();

  int GetRateOfProgress();

  // 强烈建议用户不要使用此方法；否则可能会发生未知情况。
  explicit Progressive(FS_HANDLE handle = NULL);
};

class Range FS_FINAL : public Base{
 public:
  typedef enum _Filter {
    e_All = 0,
    e_Even = 1,
    e_Odd = 2
  } Filter;
  
    Range();

  explicit Range(int index);

  explicit Range(int start_index, int end_index, Filter filter = e_All);

  Range(const Range& other);

  ~Range();

  Range& operator = (const Range& other);

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

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

  bool IsEmpty() const;

  void AddSingle(int index);

  void AddSegment(int start_index, int end_index, Filter filter = e_All);

  int GetSegmentCount() const;

  int GetSegmentStart(int segment_index) const;

  int GetSegmentEnd(int segment_index) const;

  void RemoveAll();

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

}  // namespace common
}  // namespace foxit

#endif  // FS_COMMON_H_