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DocumentServer-v-9.2.0/core/PdfFile/PdfReader.h
Yajbir Singh f1b860b25c
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updated
2025-12-11 19:03:17 +05:30

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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_READER_H
#define _PDF_READER_H
#include "../DesktopEditor/graphics/pro/Fonts.h"
#include "../DesktopEditor/graphics/pro/officedrawingfile.h"
#include "../DesktopEditor/xmlsec/src/include/Certificate.h"
#include "SrcReader/RendererOutputDev.h"
#include <map>
#include <vector>
class PDFDoc;
struct CPdfReaderContext
{
PDFDoc* m_pDocument;
PdfReader::CPdfFontList* m_pFontList;
unsigned int m_nStartID;
std::string m_sPrefixForm;
CPdfReaderContext() : m_pDocument(NULL), m_pFontList(NULL), m_nStartID(0) {}
~CPdfReaderContext();
};
struct CPdfRedact
{
int m_nPageIndex;
BYTE* m_pChanges;
int m_nChangeLength;
std::vector<double> m_arrRedactBox;
CPdfRedact() : m_nPageIndex(-1), m_pChanges(NULL), m_nChangeLength(0) {}
~CPdfRedact();
};
class CPdfReader
{
public:
CPdfReader(NSFonts::IApplicationFonts* pAppFonts);
~CPdfReader();
bool LoadFromFile (NSFonts::IApplicationFonts* pAppFonts, const std::wstring& file, const std::wstring& owner_password = L"", const std::wstring& user_password = L"");
bool LoadFromMemory(NSFonts::IApplicationFonts* pAppFonts, BYTE* data, DWORD length, const std::wstring& owner_password = L"", const std::wstring& user_password = L"");
void Close();
void CleanUp();
void SetParams(COfficeDrawingPageParams* pParams);
std::wstring GetTempDirectory();
void SetTempDirectory(const std::wstring& directory);
bool IsNeedCMap();
void SetCMapMemory(BYTE* pData, DWORD nSizeData);
void SetCMapFolder(const std::wstring& sFolder);
void SetCMapFile(const std::wstring& sFile);
int GetError();
int GetRotate(int nPageIndex);
int GetMaxRefID();
int GetNumPages();
bool ValidMetaData();
// Захватывает полученную память malloc data
bool MergePages(BYTE* pData, DWORD nLength, const std::wstring& wsPassword = L"", int nMaxID = 0, const std::string& sPrefixForm = "");
bool MergePages(const std::wstring& wsFile, const std::wstring& wsPassword = L"", int nMaxID = 0, const std::string& sPrefixForm = "");
bool UnmergePages();
bool RedactPage(int nPageIndex, double* arrRedactBox, int nLengthX8, BYTE* pChanges, int nLength);
bool UndoRedact();
void GetPageInfo(int nPageIndex, double* pdWidth, double* pdHeight, double* pdDpiX, double* pdDpiY);
void DrawPageOnRenderer(IRenderer* pRenderer, int nPageIndex, bool* pBreak);
std::wstring GetInfo();
std::wstring GetFontPath(const std::wstring& wsFontName, bool bSave = true);
std::wstring ToXml(const std::wstring& wsXmlPath, bool isPrintStreams = false);
void ChangeLength(DWORD nLength) { m_nFileLength = nLength; }
NSFonts::IFontManager* GetFontManager() { return m_pFontManager; }
PDFDoc* GetLastPDFDocument();
PDFDoc* GetPDFDocument(int PDFIndex);
int GetStartRefID(PDFDoc* pDoc);
int GetNumPagesBefore(PDFDoc* pDoc);
std::string GetPrefixForm(PDFDoc* pDoc);
int FindRefNum(int nObjID, PDFDoc** pDoc = NULL, int* nStartRefID = NULL);
int GetPageIndex(int nPageIndex, PDFDoc** pDoc = NULL, PdfReader::CPdfFontList** pFontList = NULL, int* nStartRefID = NULL);
BYTE* GetStructure();
BYTE* GetLinks(int nPageIndex);
BYTE* GetWidgets();
BYTE* GetFonts(bool bStandart);
BYTE* GetAnnots(int nPageIndex = -1);
BYTE* VerifySign(const std::wstring& sFile, ICertificate* pCertificate, int nWidget = -1);
BYTE* GetAPWidget (int nRasterW, int nRasterH, int nBackgroundColor, int nPageIndex, int nWidget = -1, const char* sView = NULL, const char* sBView = NULL);
BYTE* GetAPAnnots (int nRasterW, int nRasterH, int nBackgroundColor, int nPageIndex, int nAnnot = -1, const char* sView = NULL);
BYTE* GetButtonIcon(int nBackgroundColor, int nPageIndex, bool bBase64 = false, int nBWidget = -1, const char* sIView = NULL);
BYTE* StreamToCData(BYTE* pSteam, int nLength);
const std::map<std::wstring, std::wstring>& GetFonts() { return m_mFonts; }
private:
void Clear();
std::wstring m_wsTempFolder;
NSFonts::IFontManager* m_pFontManager;
DWORD m_nFileLength;
int m_eError;
std::vector<CPdfReaderContext*> m_vPDFContext;
std::vector<CPdfRedact*> m_vRedact;
std::map<std::wstring, std::wstring> m_mFonts;
};
#endif // _PDF_READER_H