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DocumentServer-v-9.2.0/core/PdfFile/PdfEditor.h
Yajbir Singh f1b860b25c
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/*
* (c) Copyright Ascensio System SIA 2010-2023
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#ifndef _PDF_EDITOR_H
#define _PDF_EDITOR_H
#include "PdfWriter.h"
#include "PdfReader.h"
HRESULT _ChangePassword(const std::wstring& wsPath, const std::wstring& wsPassword, CPdfReader* _pReader, CPdfWriter* _pWriter);
struct CObjectInfo
{
PdfWriter::CObjectBase* pObj;
int nRefCount;
CObjectInfo() { pObj = NULL; nRefCount = 0; }
CObjectInfo(PdfWriter::CObjectBase* _pObj, int _nRefCount) : pObj(_pObj), nRefCount(_nRefCount) {}
};
class CObjectsManager
{
public:
CObjectsManager() : m_pDoc(NULL) {}
void AddObj(int nID, PdfWriter::CObjectBase* pObj);
void RemoveObj(int nID);
PdfWriter::CObjectBase* GetObj(int nID);
bool IncRefCount(int nID);
bool DecRefCount(int nID);
int FindObj(PdfWriter::CObjectBase* pObj);
void DeleteObjTree(Object* obj, XRef* xref, int nStartRefID);
void SetDoc(PdfWriter::CDocument* pDoc);
std::vector<int> m_arrSplitAddPages;
private:
PdfWriter::CDocument* m_pDoc;
std::map<int, CObjectInfo> m_mUniqueRef; // map уникальных объектов
};
class CPdfEditor
{
public:
enum class Mode
{
Unknown,
ReadOnly,
Split,
WriteAppend,
WriteNew
};
CPdfEditor(const std::wstring& _wsSrcFile, const std::wstring& _wsPassword, const std::wstring& _wsDstFile, CPdfReader* _pReader, CPdfWriter* _pWriter, Mode nMode = Mode::Unknown);
void SetMode(Mode nMode);
bool IncrementalUpdates();
int GetError();
void Close();
bool EditPage(int nPageIndex, bool bSet = true, bool bActualPos = false);
bool DeletePage(int nPageIndex);
bool AddPage(int nPageIndex);
bool MovePage(int nPageIndex, int nPos);
bool EditAnnot(int nPageIndex, int nID);
bool DeleteAnnot(int nID, Object* oAnnots = NULL);
bool EditWidgets(IAdvancedCommand* pCommand);
int GetPagesCount();
void GetPageInfo(int nPageIndex, double* pdWidth, double* pdHeight, double* pdDpiX, double* pdDpiY);
int GetRotate(int nPageIndex);
bool IsEditPage();
void ClearPage();
void AddShapeXML(const std::string& sXML);
void EndMarkedContent();
bool IsBase14(const std::wstring& wsFontName, bool& bBold, bool& bItalic, std::wstring& wsFontPath);
void Redact(IAdvancedCommand* pCommand);
std::vector<double> WriteRedact(const std::vector<std::wstring>& arrID);
bool SplitPages(const int* arrPageIndex, unsigned int unLength);
void AfterSplitPages();
bool MergePages(const std::wstring& wsPath);
private:
void GetPageTree(XRef* xref, Object* pPagesRefObj, PdfWriter::CPageTree* pPageParent = NULL);
bool SplitPages(const int* arrPageIndex, unsigned int unLength, PDFDoc* _pDoc, int nStartRefID);
bool ChangeFullNameParent(int nParent, const std::string& sPrefixForm, std::vector<int>& arrRename);
struct CRedactData
{
std::wstring sID;
std::vector<double> arrQuads;
LONG nLenRender;
BYTE* pRender;
bool bDraw = false;
};
std::wstring m_wsSrcFile;
std::wstring m_wsDstFile;
std::wstring m_wsPassword;
std::vector<CRedactData> m_arrRedact;
std::map<std::wstring, std::wstring> m_mFonts;
CObjectsManager m_mObjManager;
CPdfReader* m_pReader;
CPdfWriter* m_pWriter;
int m_nError;
// 0 - Дозапись. pReader и pWriter работают с одним файлом
// 1 - Split. pReader и pWriter работают с разными файлами
Mode m_nMode;
int m_nEditPage;
int m_nOriginIndex;
};
#endif // _PDF_EDITOR_H