/* * (c) Copyright Ascensio System SIA 2010-2019 * * 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-12 Ernesta Birznieka-Upisha * 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) #define UNICODE #define _UNICODE #define _USE_LIBXML2_READER_ #define LIBXML_READER_ENABLED #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 m_pDoc; NSFonts::IApplicationFonts* m_pApplicationFonts; public: CDjVuFileImplementation(NSFonts::IApplicationFonts* pFonts); ~CDjVuFileImplementation(); 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); BYTE* ConvertToPixels(int nPageIndex, const int& nRasterW = -1, const int& nRasterH = -1); void ConvertToRaster(int nPageIndex, const std::wstring& wsDstPath, int nImageType, const int& nRasterW = -1, const int& nRasterH = -1); void ConvertToPdf(const std::wstring& wsDstPath); #ifdef WASM_MODE class CData { protected: unsigned char* m_pData; size_t m_lSize; unsigned char* m_pDataCur; size_t m_lSizeCur; public: CData() { m_pData = NULL; m_lSize = 0; m_pDataCur = m_pData; m_lSizeCur = m_lSize; } virtual ~CData() { Clear(); } inline void AddSize(size_t nSize) { if (NULL == m_pData) { m_lSize = 1000; if (nSize > m_lSize) m_lSize = nSize; m_pData = (unsigned char*)malloc(m_lSize * sizeof(unsigned char)); m_lSizeCur = 0; m_pDataCur = m_pData; return; } if ((m_lSizeCur + nSize) > m_lSize) { while ((m_lSizeCur + nSize) > m_lSize) m_lSize *= 2; unsigned char* pRealloc = (unsigned char*)realloc(m_pData, m_lSize * sizeof(unsigned char)); if (NULL != pRealloc) { m_pData = pRealloc; m_pDataCur = m_pData + m_lSizeCur; } else { unsigned char* pMalloc = (unsigned char*)malloc(m_lSize * sizeof(unsigned char)); memcpy(pMalloc, m_pData, m_lSizeCur * sizeof(unsigned char)); free(m_pData); m_pData = pMalloc; m_pDataCur = m_pData + m_lSizeCur; } } } public: void AddInt(unsigned int value) { AddSize(4); memcpy(m_pDataCur, &value, sizeof(unsigned int)); m_pDataCur += 4; m_lSizeCur += 4; } void WriteString(unsigned char* value, unsigned int len) { AddSize(len + 4); memcpy(m_pDataCur, &len, sizeof(unsigned int)); m_pDataCur += 4; m_lSizeCur += 4; memcpy(m_pDataCur, value, len); m_pDataCur += len; m_lSizeCur += len; } unsigned char* GetBuffer() { return m_pData; } void Clear() { if (m_pData) free(m_pData); m_pData = NULL; m_lSize = 0; m_pDataCur = m_pData; m_lSizeCur = 0; } void ClearWithoutAttack() { m_pData = NULL; m_lSize = 0; m_pDataCur = m_pData; m_lSizeCur = 0; } void ClearNoAttack() { m_pDataCur = m_pData; m_lSizeCur = 0; } unsigned int GetSize() { return (unsigned int)m_lSizeCur; } void SkipLen() { AddInt(0); } void WriteLen() { unsigned int len = (unsigned int)m_lSizeCur; memcpy(m_pData, &len, sizeof(unsigned int)); } }; BYTE* GetStructure(); BYTE* GetPageGlyphs(); CData* m_pGlyphs; #endif private: void CreateFrame(IRenderer* pRenderer, GP& pImage, int nPage, XmlUtils::CXmlNode& oText); void CreatePdfFrame(IRenderer* pRenderer, GP& pImage, int nPage, XmlUtils::CXmlNode& oText); void CreateGrFrame(IRenderer* pRenderer, GP& pImage, bool* pBreak); XmlUtils::CXmlNode ParseText(GP 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); };