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512 lines
18 KiB
C++
512 lines
18 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2019
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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#define errMemory 12
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#include "../DesktopEditor/graphics/pro/Graphics.h"
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#include "PdfReader.h"
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#include "Src/Adaptors.h"
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#include "lib/xpdf/ErrorCodes.h"
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#include "../Common/OfficeDefines.h"
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#include "../DesktopEditor/raster/BgraFrame.h"
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#include "../DesktopEditor/graphics/IRenderer.h"
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#include "../DesktopEditor/common/Directory.h"
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#include "lib/xpdf/PDFDoc.h"
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#include "lib/xpdf/GlobalParams.h"
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#include "lib/xpdf/ErrorCodes.h"
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#include "lib/xpdf/ImageOutputDev.h"
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#include "Src/RendererOutputDev.h"
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namespace PdfReader
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{
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class CPdfReader_Private
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{
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public:
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PDFDoc* m_pPDFDocument;
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std::wstring m_wsTempFolder;
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std::wstring m_wsCMapFolder;
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NSFonts::IApplicationFonts* m_pAppFonts;
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NSFonts::IFontManager* m_pFontManager;
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CFontList* m_pFontList;
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};
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CPdfReader::CPdfReader(NSFonts::IApplicationFonts* pAppFonts)
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{
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m_pInternal = new CPdfReader_Private();
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m_pInternal->m_wsTempFolder = L"";
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m_pInternal->m_wsCMapFolder = L"";
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m_pInternal->m_pPDFDocument = NULL;
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m_pInternal->m_pFontManager = NULL;
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globalParams = new GlobalParamsAdaptor(NULL);
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m_pInternal->m_pFontList = new CFontList();
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m_pInternal->m_pAppFonts = pAppFonts;
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// Создаем менеджер шрифтов с собственным кэшем
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m_pInternal->m_pFontManager = pAppFonts->GenerateFontManager();
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NSFonts::IFontsCache* pMeasurerCache = NSFonts::NSFontCache::Create();
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pMeasurerCache->SetStreams(pAppFonts->GetStreams());
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m_pInternal->m_pFontManager->SetOwnerCache(pMeasurerCache);
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pMeasurerCache->SetCacheSize(1);
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((GlobalParamsAdaptor*)globalParams)->SetFontManager(m_pInternal->m_pFontManager);
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globalParams->setupBaseFonts(NULL);
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m_eError = errNone;
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}
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CPdfReader::~CPdfReader()
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{
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if (m_pInternal->m_pFontList)
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{
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m_pInternal->m_pFontList->Clear();
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delete m_pInternal->m_pFontList;
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}
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m_pInternal->m_wsCMapFolder = L"";
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if (!m_pInternal->m_wsTempFolder.empty())
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{
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NSDirectory::DeleteDirectory(m_pInternal->m_wsTempFolder);
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m_pInternal->m_wsTempFolder = L"";
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}
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RELEASEOBJECT((m_pInternal->m_pPDFDocument));
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RELEASEOBJECT((globalParams));
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RELEASEINTERFACE((m_pInternal->m_pFontManager));
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}
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bool CPdfReader::LoadFromFile(const std::wstring& wsSrcPath, const std::wstring& wsOptions,
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const std::wstring& wsOwnerPassword, const std::wstring& wsUserPassword)
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{
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// TODO: Сейчас при загрузке каждой новой картинки мы пересоздаем
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// FontManager, потому что сейчас в нем кэш без ограничения.
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//------------------------------------------------------
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RELEASEINTERFACE((m_pInternal->m_pFontManager));
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m_pInternal->m_pFontManager = m_pInternal->m_pAppFonts->GenerateFontManager();
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NSFonts::IFontsCache* pMeasurerCache = NSFonts::NSFontCache::Create();
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pMeasurerCache->SetStreams(m_pInternal->m_pAppFonts->GetStreams());
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m_pInternal->m_pFontManager->SetOwnerCache(pMeasurerCache);
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pMeasurerCache->SetCacheSize(1);
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((GlobalParamsAdaptor*)globalParams)->SetFontManager(m_pInternal->m_pFontManager);
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//------------------------------------------------------
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if (m_pInternal->m_pPDFDocument)
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delete m_pInternal->m_pPDFDocument;
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if (GetTempDirectory() == L"")
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{
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SetTempDirectory(NSDirectory::GetTempPath());
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}
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m_eError = errNone;
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GString* owner_pswd = NSStrings::CreateString(wsOwnerPassword);
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GString* user_pswd = NSStrings::CreateString(wsUserPassword);
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// конвертим путь в utf8 - под виндой они сконвертят в юникод, а на остальных - так и надо
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std::string sPathUtf8 = U_TO_UTF8(wsSrcPath);
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m_pInternal->m_pPDFDocument = new PDFDoc((char*)sPathUtf8.c_str(), owner_pswd, user_pswd);
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delete owner_pswd;
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delete user_pswd;
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if (m_pInternal->m_pPDFDocument)
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m_eError = m_pInternal->m_pPDFDocument->getErrorCode();
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else
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m_eError = errMemory;
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if (!m_pInternal->m_pPDFDocument || !m_pInternal->m_pPDFDocument->isOk())
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{
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RELEASEOBJECT(m_pInternal->m_pPDFDocument);
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return false;
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}
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m_pInternal->m_pFontList->Clear();
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return (errNone == m_eError);
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}
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bool CPdfReader::LoadFromMemory(BYTE* data, DWORD length, const std::wstring& options,
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const std::wstring& owner_password, const std::wstring& user_password)
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{
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// TODO: Сейчас при загрузке каждой новой картинки мы пересоздаем
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// FontManager, потому что сейчас в нем кэш без ограничения.
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//------------------------------------------------------
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RELEASEINTERFACE((m_pInternal->m_pFontManager));
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m_pInternal->m_pFontManager = m_pInternal->m_pAppFonts->GenerateFontManager();
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NSFonts::IFontsCache* pMeasurerCache = NSFonts::NSFontCache::Create();
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pMeasurerCache->SetStreams(m_pInternal->m_pAppFonts->GetStreams());
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m_pInternal->m_pFontManager->SetOwnerCache(pMeasurerCache);
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pMeasurerCache->SetCacheSize(1);
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((GlobalParamsAdaptor*)globalParams)->SetFontManager(m_pInternal->m_pFontManager);
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//------------------------------------------------------
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RELEASEOBJECT(m_pInternal->m_pPDFDocument);
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m_eError = errNone;
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GString* owner_pswd = NSStrings::CreateString(owner_password);
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GString* user_pswd = NSStrings::CreateString(user_password);
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m_pInternal->m_pPDFDocument = new PDFDoc(data, length, owner_pswd, user_pswd);
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delete owner_pswd;
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delete user_pswd;
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m_eError = m_pInternal->m_pPDFDocument ? m_pInternal->m_pPDFDocument->getErrorCode() : errMemory;
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if (!m_pInternal->m_pPDFDocument || !m_pInternal->m_pPDFDocument->isOk())
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{
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RELEASEOBJECT(m_pInternal->m_pPDFDocument);
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return false;
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}
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m_pInternal->m_pFontList->Clear();
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return (errNone == m_eError);
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}
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void CPdfReader::Close()
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{
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RELEASEOBJECT((m_pInternal->m_pPDFDocument));
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}
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OfficeDrawingFileType CPdfReader::GetType()
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{
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return odftPDF;
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}
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int CPdfReader::GetError()
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{
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if (!m_pInternal->m_pPDFDocument)
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return m_eError;
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return m_pInternal->m_pPDFDocument->getErrorCode();
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}
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int CPdfReader::GetPagesCount()
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{
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if (!m_pInternal->m_pPDFDocument)
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return 0;
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return m_pInternal->m_pPDFDocument->getNumPages();
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}
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double CPdfReader::GetVersion()
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{
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if (!m_pInternal->m_pPDFDocument)
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return 0;
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return m_pInternal->m_pPDFDocument->getPDFVersion();
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}
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int CPdfReader::GetPermissions()
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{
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if (!m_pInternal->m_pPDFDocument)
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return 0;
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int nPermissions = 0;
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if (m_pInternal->m_pPDFDocument->okToPrint())
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nPermissions += PERMISSION_PRINT;
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if (m_pInternal->m_pPDFDocument->okToCopy())
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nPermissions += PERMISSION_COPY;
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if (m_pInternal->m_pPDFDocument->okToChange())
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nPermissions += PERMISSION_CHANGE;
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return nPermissions;
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}
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std::wstring CPdfReader::GetPageLabel(int nPageIndex)
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{
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if (!m_pInternal->m_pPDFDocument)
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return std::wstring();
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// todo label
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// StringExt* seLabel = m_pInternal->m_pPDFDocument->GetPageLabels()->GetLabel(nPageIndex);
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// if (seLabel)
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// {
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// std::wstring wsResult(seLabel->GetWString());
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// delete seLabel;
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// return wsResult;
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// }
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return std::wstring();
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}
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bool CPdfReader::ExtractAllImages(const wchar_t* wsDstPath, const wchar_t* wsPrefix)
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{
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std::wstring sDstPath(wsDstPath);
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if (sDstPath.empty())
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return false;
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// check last symbol (directory)
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wchar_t nLastSymbol = sDstPath[sDstPath.length() - 1];
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if ('\\' != nLastSymbol && '/' != nLastSymbol)
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sDstPath += '/';
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// prefix for each file
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if (NULL != wsPrefix)
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sDstPath += std::wstring(wsPrefix);
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std::string sDstPathA = U_TO_UTF8(sDstPath);
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ImageOutputDev *pOutputDev = new ImageOutputDev((char*)sDstPathA.c_str(), true, false, false);
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if (!pOutputDev)
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return false;
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int nPagesCount = GetPagesCount();
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for (int nIndex = 1; nIndex <= nPagesCount; nIndex++)
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{
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m_pInternal->m_pPDFDocument->displayPage(pOutputDev, nIndex, 72, 72, 0, false, false, false);
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}
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delete pOutputDev;
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return true;
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}
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void CPdfReader::GetPageInfo(int _nPageIndex, double* pdWidth, double* pdHeight, double* pdDpiX, double* pdDpiY)
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{
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int nPageIndex = _nPageIndex + 1;
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if (!m_pInternal->m_pPDFDocument)
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return;
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const double c_dInch = 25.399; // Миллиметров в дюйме
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const double c_dXResolution = 154.0;
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const double c_dYResolution = 154.0;
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double dKoefX = c_dInch / c_dXResolution;
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double dKoefY = c_dInch / c_dYResolution;
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int nRotate = m_pInternal->m_pPDFDocument->getPageRotate(nPageIndex);
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while (nRotate >= 360)
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nRotate -= 360;
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while (nRotate < 0)
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nRotate += 360;
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if (0 != nRotate && 180 != nRotate)
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{
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*pdHeight = m_pInternal->m_pPDFDocument->getPageCropWidth(nPageIndex);
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*pdWidth = m_pInternal->m_pPDFDocument->getPageCropHeight(nPageIndex);
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}
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else
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{
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*pdWidth = m_pInternal->m_pPDFDocument->getPageCropWidth(nPageIndex);
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*pdHeight = m_pInternal->m_pPDFDocument->getPageCropHeight(nPageIndex);
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}
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*pdDpiX = 72;
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*pdDpiY = 72;
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}
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void CPdfReader::DrawPageOnRenderer(IRenderer* pRenderer, int _nPageIndex, bool* pbBreak)
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{
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int nPageIndex = _nPageIndex + 1;
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if (m_pInternal->m_pPDFDocument && pRenderer)
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{
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RendererOutputDev oRendererOut(pRenderer, m_pInternal->m_pFontManager, m_pInternal->m_pFontList);
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oRendererOut.NewPDF(m_pInternal->m_pPDFDocument->getXRef());
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oRendererOut.SetBreak(pbBreak);
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m_pInternal->m_pPDFDocument->displayPage(&oRendererOut, nPageIndex, 72.0, 72.0, 0, false, true, false);
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}
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}
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BYTE* CPdfReader::ConvertToPixels(int nPageIndex, int nRasterW, int nRasterH, bool bIsFlip)
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{
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NSFonts::IFontManager *pFontManager = m_pInternal->m_pAppFonts->GenerateFontManager();
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NSFonts::IFontsCache* pFontCache = NSFonts::NSFontCache::Create();
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pFontCache->SetStreams(m_pInternal->m_pAppFonts->GetStreams());
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pFontManager->SetOwnerCache(pFontCache);
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NSGraphics::IGraphicsRenderer* pRenderer = NSGraphics::Create();
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pRenderer->SetFontManager(pFontManager);
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double dWidth, dHeight;
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double dDpiX, dDpiY;
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GetPageInfo(nPageIndex, &dWidth, &dHeight, &dDpiX, &dDpiY);
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int nWidth = (nRasterW > 0) ? nRasterW : ((int)dWidth * 72 / 25.4);
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int nHeight = (nRasterH > 0) ? nRasterH : ((int)dHeight * 72 / 25.4);
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BYTE* pBgraData = new BYTE[nWidth * nHeight * 4];
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if (!pBgraData)
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return NULL;
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memset(pBgraData, 0xff, nWidth * nHeight * 4);
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CBgraFrame oFrame;
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oFrame.put_Data(pBgraData);
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oFrame.put_Width(nWidth);
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oFrame.put_Height(nHeight);
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oFrame.put_Stride((bIsFlip ? 4 : -4) * nWidth);
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pRenderer->CreateFromBgraFrame(&oFrame);
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pRenderer->SetSwapRGB(true);
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dWidth *= 25.4 / dDpiX;
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dHeight *= 25.4 / dDpiY;
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pRenderer->put_Width(dWidth);
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pRenderer->put_Height(dHeight);
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bool bBreak = false;
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DrawPageOnRenderer(pRenderer, nPageIndex, &bBreak);
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oFrame.ClearNoAttack();
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RELEASEINTERFACE(pFontManager);
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RELEASEOBJECT(pRenderer);
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return pBgraData;
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}
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void CPdfReader::ConvertToRaster(int nPageIndex, const std::wstring& wsDstPath, int nImageType, const int nRasterW, const int nRasterH)
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{
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NSFonts::IFontManager *pFontManager = m_pInternal->m_pAppFonts->GenerateFontManager();
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NSFonts::IFontsCache* pFontCache = NSFonts::NSFontCache::Create();
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pFontCache->SetStreams(m_pInternal->m_pAppFonts->GetStreams());
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pFontManager->SetOwnerCache(pFontCache);
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NSGraphics::IGraphicsRenderer* pRenderer = NSGraphics::Create();
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pRenderer->SetFontManager(pFontManager);
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double dWidth, dHeight;
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double dDpiX, dDpiY;
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GetPageInfo(nPageIndex, &dWidth, &dHeight, &dDpiX, &dDpiY);
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int nWidth = (nRasterW > 0) ? nRasterW : ((int)dWidth * 72 / 25.4);
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int nHeight = (nRasterH > 0) ? nRasterH : ((int)dHeight * 72 / 25.4);
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BYTE* pBgraData = new BYTE[nWidth * nHeight * 4];
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if (!pBgraData)
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return;
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memset(pBgraData, 0xff, nWidth * nHeight * 4);
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CBgraFrame oFrame;
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oFrame.put_Data(pBgraData);
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oFrame.put_Width(nWidth);
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oFrame.put_Height(nHeight);
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oFrame.put_Stride(-4 * nWidth);
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pRenderer->CreateFromBgraFrame(&oFrame);
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pRenderer->SetSwapRGB(false);
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dWidth *= 25.4 / dDpiX;
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dHeight *= 25.4 / dDpiY;
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pRenderer->put_Width(dWidth);
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pRenderer->put_Height(dHeight);
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bool bBreak = false;
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DrawPageOnRenderer(pRenderer, nPageIndex, &bBreak);
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oFrame.SaveFile(wsDstPath, nImageType);
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RELEASEINTERFACE(pFontManager);
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RELEASEOBJECT(pRenderer);
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}
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int CPdfReader::GetImagesCount()
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{
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// ImageOutputDev *pOutputDev = new ImageOutputDev(NULL, true, true, false);
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// if (!pOutputDev)
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// return 0;
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//
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// for (int nIndex = 1; nIndex <= m_pInternal->m_pPDFDocument->GetPagesCount(); nIndex++)
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// {
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// m_pInternal->m_pPDFDocument->displayPage(pOutputDev, nIndex, 72, 72, 0, false, false, false);
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// }
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//
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// return pOutputDev->
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return 0;
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}
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void CPdfReader::SetTempDirectory(const std::wstring& wsTempFolder)
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{
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if (!m_pInternal->m_wsTempFolder.empty())
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{
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NSDirectory::DeleteDirectory(m_pInternal->m_wsTempFolder);
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m_pInternal->m_wsTempFolder = wsTempFolder;
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}
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if (!wsTempFolder.empty())
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{
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std::wstring wsFolderName = std::wstring(wsTempFolder) + L"//pdftemp";
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std::wstring wsFolder = wsFolderName;
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int nCounter = 0;
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while (NSDirectory::Exists(wsFolder))
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{
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nCounter++;
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wsFolder = wsFolderName + L"_" + std::to_wstring(nCounter);
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}
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NSDirectory::CreateDirectory(wsFolder);
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m_pInternal->m_wsTempFolder = wsFolder;
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}
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else
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m_pInternal->m_wsTempFolder = L"";
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|
||
if (globalParams)
|
||
((GlobalParamsAdaptor*)globalParams)->SetTempFolder(m_pInternal->m_wsTempFolder.c_str());
|
||
}
|
||
std::wstring CPdfReader::GetTempDirectory()
|
||
{
|
||
return m_pInternal->m_wsTempFolder;
|
||
}
|
||
|
||
void CPdfReader::SetCMapFolder(const wchar_t* wsCMapFolder)
|
||
{
|
||
m_pInternal->m_wsCMapFolder = std::wstring(wsCMapFolder);
|
||
|
||
if (globalParams)
|
||
((GlobalParamsAdaptor*)globalParams)->SetCMapFolder(m_pInternal->m_wsCMapFolder.c_str());
|
||
}
|
||
NSFonts::IFontManager* CPdfReader::GetFontManager()
|
||
{
|
||
return m_pInternal->m_pFontManager;
|
||
}
|
||
std::wstring CPdfReader::ToXml(const std::wstring& wsFilePath)
|
||
{
|
||
//todo
|
||
// std::wstring wsXml = m_pInternal->m_pPDFDocument->ToXml();
|
||
//
|
||
// if (wsFilePath != L"")
|
||
// {
|
||
// NSFile::CFileBinary oFile;
|
||
// if (!oFile.CreateFileW(wsFilePath))
|
||
// return wsXml;
|
||
//
|
||
// oFile.WriteStringUTF8(wsXml);
|
||
// oFile.CloseFile();
|
||
// }
|
||
//
|
||
// return wsXml;
|
||
return L"";
|
||
}
|
||
#ifdef BUILDING_WASM_MODULE
|
||
BYTE* CPdfReader::GetStructure()
|
||
{
|
||
return NULL;
|
||
}
|
||
BYTE* CPdfReader::GetGlyphs(int nPageIndex, int nRasterW, int nRasterH)
|
||
{
|
||
return NULL;
|
||
}
|
||
BYTE* CPdfReader::GetLinks (int nPageIndex, int nRasterW, int nRasterH)
|
||
{
|
||
return NULL;
|
||
}
|
||
#endif
|
||
}
|