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DocumentServer-v-9.2.0/core/DjVuFile/DjVuFileImplementation.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
*
*/
#pragma once
#include "libdjvu/DjVuDocument.h"
#include "libdjvu/DjVuImage.h"
#include "libdjvu/GBitmap.h"
#include "libdjvu/GScaler.h"
#include "libdjvu/IFFByteStream.h"
#include "libdjvu/BSByteStream.h"
#include "libdjvu/DataPool.h"
#include "libdjvu/DjVuText.h"
#include "libdjvu/DjVmNav.h"
#include "libdjvu/IW44Image.h"
#define ZIP_NO_COMPRESSION 0
#define ZIP_BEST_SPEED 1
#define ZIP_BEST_COMPRESSION 9
#define ZIP_DEFAULT_COMPRESSION (-1)
#include "../DesktopEditor/xml/include/xmlutils.h"
#include "../DesktopEditor/graphics/IRenderer.h"
#include "../DesktopEditor/graphics/pro/Fonts.h"
class CDjVuFileImplementation
{
private:
std::wstring m_wsTempDirectory;
GP<DjVuDocument> m_pDoc;
NSFonts::IApplicationFonts* m_pApplicationFonts;
public:
CDjVuFileImplementation(NSFonts::IApplicationFonts* pFonts);
~CDjVuFileImplementation();
NSFonts::IApplicationFonts* GetFonts();
bool LoadFromFile(const std::wstring& wsSrcFileName, const std::wstring& wsXmlOptions = L"");
bool LoadFromMemory(BYTE* data, DWORD length, const std::wstring& wsXmlOptions = L"");
void Close();
std::wstring GetTempDirectory() const;
void SetTempDirectory(const std::wstring& wsDirectory);
int GetPagesCount() const;
void GetPageInfo(int nPageIndex, double* pdWidth, double* pdHeight, double* pdDpiX, double* pdDpiY) const;
void DrawPageOnRenderer(IRenderer* pRenderer, int nPageIndex, bool* pBreak);
void ConvertToPdf(const std::wstring& wsDstPath);
std::wstring GetInfo();
BYTE* GetStructure();
BYTE* GetPageGlyphs(int nPageIndex);
BYTE* GetPageLinks (int nPageIndex);
unsigned char* ConvertToPixels(int nPageIndex, int nRasterW, int nRasterH, bool bIsFlip = false);
private:
unsigned char* ConvertToPixels(GP<DjVuImage>& pPage, int nRasterW, int nRasterH, bool bIsFlip = false);
void CreateFrame(IRenderer* pRenderer, GP<DjVuImage>& pImage, int nPage, XmlUtils::CXmlNode& oText);
void CreatePdfFrame(IRenderer* pRenderer, GP<DjVuImage>& pImage, int nPage, XmlUtils::CXmlNode& oText);
XmlUtils::CXmlNode ParseText(GP<DjVuImage> pPage);
void TextToRenderer(IRenderer* pRenderer, XmlUtils::CXmlNode text, double koef, bool isView = true);
void DrawPageText(IRenderer* pRenderer, double* pdCoords, const std::wstring& wsText);
void ParseCoords(const std::wstring& wsCoordsStr, double* pdCoords, double dKoef);
};