mirror of
https://github.com/ONLYOFFICE/core.git
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309 lines
8.6 KiB
C++
309 lines
8.6 KiB
C++
/*
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* Copyright (C) Ascensio System SIA, 2009-2026
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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, together with the
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* additional terms provided in the LICENSE file.
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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: https://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA by email at info@onlyoffice.com
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* or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
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* LV-1050, Latvia, European Union.
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*
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* The interactive user interfaces in modified versions of the Program
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* are required to display Appropriate Legal Notices in accordance with
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* Section 5 of the GNU AGPL version 3.
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*
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* No trademark rights are granted under this License.
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*
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* All non-code elements of the Product, including illustrations,
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* icon sets, and technical writing content, are licensed under the
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* Creative Commons Attribution-ShareAlike 4.0 International License:
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* https://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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* This license applies only to such non-code elements and does not
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* modify or replace the licensing terms applicable to the Program's
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* source code, which remains licensed under the GNU Affero General
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* Public License v3.
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*
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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#include "ArtBlip.h"
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#include "../../../../DesktopEditor/common/Directory.h"
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#include "../../Reader/PPTDocumentInfo.h"
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using namespace PPT;
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CRecordOfficeArtBlip::CRecordOfficeArtBlip()
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{
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}
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CRecordOfficeArtBlip::~CRecordOfficeArtBlip()
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{
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}
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void CRecordOfficeArtBlip::ReadFromStream(SRecordHeader & oHeader, POLE::Stream* pStream)
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{
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if ((oHeader.RecVersion == PSFLAG_CONTAINER) || ((oHeader.RecVersion & 0x0F) == 0x0F)) return;
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CRYPT::Decryptor *pDecryptor = m_pDocumentInfo ? m_pDocumentInfo->m_arUsers[0]->m_pDecryptor : NULL;
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CMetaFileBuffer oMetaFile;
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std::wstring sExt = L".jpg";
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int lOffset = 0;
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switch (oHeader.RecType)
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{
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case RECORD_TYPE_ESCHER_BLIP_EMF:
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{
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if (0x03D4 == oHeader.RecInstance) lOffset = 16;
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else if (0x03D5 == oHeader.RecInstance) lOffset = 32;
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StreamUtils::StreamSkip(lOffset, pStream);
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lOffset += 34;
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oMetaFile.m_bIsValid = TRUE;
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oMetaFile.m_sExtension = L".emf";
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CMetaHeader oMetaHeader;
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oMetaHeader.FromStream(pStream, pDecryptor);
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Gdiplus::ENHMETAHEADER3 oEmfHeader;
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oMetaHeader.ToEMFHeader(&oEmfHeader);
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oMetaFile.SetHeader(NULL, 0);
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int nDataSize = oHeader.RecLen - lOffset;
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BYTE* pData = (nDataSize > 0 && nDataSize < 0xffffff ) ? (new BYTE[nDataSize]) : NULL;
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if (pData)
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{
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pStream->read(pData, oHeader.RecLen - lOffset);
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if (pDecryptor)
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{
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pDecryptor->Decrypt((char*)pData, oHeader.RecLen - lOffset, 0);
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}
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oMetaFile.SetData(pData, oMetaHeader.cbSave, oMetaHeader.cbSize, (bool)(oMetaHeader.compression != 0xFE));
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}
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}break;
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case RECORD_TYPE_ESCHER_BLIP_WMF:
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{
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if (0x0216 == oHeader.RecInstance) lOffset = 16;
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else if (0x0217 == oHeader.RecInstance) lOffset = 32;
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StreamUtils::StreamSkip(lOffset, pStream);
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lOffset += 34;
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oMetaFile.m_bIsValid = TRUE;
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oMetaFile.m_sExtension = L".wmf";
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CMetaHeader oMetaHeader;
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oMetaHeader.FromStream(pStream, pDecryptor);
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Gdiplus::WmfPlaceableFileHeader oWmfHeader;
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oMetaHeader.ToWMFHeader(&oWmfHeader);
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LONG lLenHeader = 22;
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BYTE* pMetaHeader = new BYTE[lLenHeader]; // will be deleted in oMetaFile
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memcpy(pMetaHeader, (void*)(&oWmfHeader), lLenHeader);
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oMetaFile.SetHeader(pMetaHeader, lLenHeader);
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BYTE* pData = new BYTE[oHeader.RecLen - lOffset];
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pStream->read(pData, oHeader.RecLen - lOffset);
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if (pDecryptor)
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{
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pDecryptor->Decrypt((char*)pData, oHeader.RecLen - lOffset, 0);
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}
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oMetaFile.SetData(pData, oMetaHeader.cbSave, oMetaHeader.cbSize, (bool)(oMetaHeader.compression != 0xFE) );
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}break;
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case RECORD_TYPE_ESCHER_BLIP_PICT://Medwoche.ppt , (483), synergieInspiratie.ppt
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{
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if (0x0542 == oHeader.RecInstance) lOffset = 16;
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else if (0x0543 == oHeader.RecInstance) lOffset = 32;
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StreamUtils::StreamSkip(lOffset, pStream);
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lOffset += 34;
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sExt = L".pct";
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CMetaHeader oMetaHeader;
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oMetaHeader.FromStream(pStream, pDecryptor);
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BYTE* pData = new BYTE[oHeader.RecLen - lOffset];
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pStream->read(pData, oHeader.RecLen - lOffset);
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if (pDecryptor)
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{
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pDecryptor->Decrypt((char*)pData, oHeader.RecLen - lOffset, 0);
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}
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oMetaFile.SetData(pData, oMetaHeader.cbSave, oMetaHeader.cbSize, (bool)(oMetaHeader.compression != 0xFE) );
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}break;
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case RECORD_TYPE_ESCHER_BLIP_JPEG:
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{
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if (0x046A == oHeader.RecInstance || 0x06E2 == oHeader.RecInstance) lOffset = 17;
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else if (0x046B == oHeader.RecInstance || 0x06E3 == oHeader.RecInstance) lOffset = 33;
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StreamUtils::StreamSkip(lOffset, pStream);
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sExt = L".jpg";
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break;
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}
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case RECORD_TYPE_ESCHER_BLIP_PNG:
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{
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if (0x06E0 == oHeader.RecInstance) lOffset = 17;
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else if (0x06E1 == oHeader.RecInstance) lOffset = 33;
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StreamUtils::StreamSkip(lOffset, pStream);
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sExt = L".png";
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break;
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}
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case RECORD_TYPE_ESCHER_BLIP_DIB:
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{
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if (0x07A8 == oHeader.RecInstance) lOffset = 17;
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else if (0x07A9 == oHeader.RecInstance) lOffset = 33;
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StreamUtils::StreamSkip(lOffset, pStream);
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sExt = L".bmp";
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break;
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}
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case RECORD_TYPE_ESCHER_BLIP_TIFF:
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{
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if (0x06E4 == oHeader.RecInstance) lOffset = 17;
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else if (0x06E5 == oHeader.RecInstance) lOffset = 33;
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StreamUtils::StreamSkip(lOffset, pStream);
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sExt = L".tif";
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break;
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}
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default:
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{
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break;
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}
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}
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int nImagesCount = 0;
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if (m_pDocumentInfo)
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{
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nImagesCount = m_pDocumentInfo->m_mapStoreImageFile.size();
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}
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//else nImagesCount = generate uniq name
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if (oMetaFile.m_bIsValid)
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{
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std::wstring strFile = L"Image " +std::to_wstring(nImagesCount + 1) + oMetaFile.m_sExtension;
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NSFile::CFileBinary fileMeta;
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if (fileMeta.CreateFileW(m_pCommonInfo->tempPath + FILE_SEPARATOR_STR + strFile))
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{
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oMetaFile.ToFile(&fileMeta);
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fileMeta.CloseFile();
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}
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m_fileName = strFile;
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}
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else if (oHeader.RecType == RECORD_TYPE_ESCHER_BLIP_PICT)
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{
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unsigned char* newData = NULL;
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unsigned int newDataSize = oMetaFile.ToBuffer(newData);
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std::wstring strFile = L"Image " + std::to_wstring(nImagesCount + 1) + sExt;
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NSFile::CFileBinary fileImage;
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if (newData && fileImage.CreateFileW(m_pCommonInfo->tempPath + FILE_SEPARATOR_STR + strFile))
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{
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fileImage.WriteFile(newData, newDataSize);
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fileImage.CloseFile();
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}
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if (newData)
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delete[]newData;
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try
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{
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CBgraFrame bgraFrame;
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if (bgraFrame.OpenFile(m_pCommonInfo->tempPath + FILE_SEPARATOR_STR + strFile))
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{
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NSFile::CFileBinary::Remove(m_pCommonInfo->tempPath + FILE_SEPARATOR_STR + strFile);
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strFile = L"Image " + std::to_wstring(nImagesCount + 1) + L".png";
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bgraFrame.SaveFile(m_pCommonInfo->tempPath + FILE_SEPARATOR_STR + strFile, 4); // png
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}
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}
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catch (...)
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{
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}
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m_fileName = strFile;
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}
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else
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{
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BYTE* pImage = new BYTE[oHeader.RecLen - lOffset];
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pStream->read(pImage, oHeader.RecLen - lOffset);
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if (pDecryptor)
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{
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pDecryptor->Decrypt((char*)pImage, oHeader.RecLen - lOffset, 0);
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}
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size_t lOffset2 = 0;
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if (oHeader.RecType == RECORD_TYPE_ESCHER_BLIP_PNG)
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{
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std::string test((char*)pImage, (std::min)((int)oHeader.RecLen - lOffset, 4096));
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if (std::string::npos != (lOffset2 = test.find("GIF89")))
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{//gif in png chuncks - todooo from read header, chunks ....
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sExt = L".gif";
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lOffset += lOffset2;
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}
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else lOffset2 = 0;
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}
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std::wstring strFile = L"Image " + std::to_wstring(nImagesCount + 1) + sExt;
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NSFile::CFileBinary fileImage;
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if (fileImage.CreateFileW(m_pCommonInfo->tempPath + FILE_SEPARATOR_STR + strFile))
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{
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if (RECORD_TYPE_ESCHER_BLIP_DIB == oHeader.RecType)
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{
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WORD vtType = 0x4D42;
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fileImage.WriteFile((BYTE*)&vtType, 2);
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_UINT32 dwLen = oHeader.RecLen - lOffset;
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fileImage.WriteFile((BYTE*)&dwLen, 4);
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_UINT32 dwRes = 0;
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fileImage.WriteFile((BYTE*)&dwRes, 4);
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_UINT32 dwOffset = 2;
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fileImage.WriteFile((BYTE*)&dwOffset, 4);
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}
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fileImage.WriteFile(pImage + lOffset2, oHeader.RecLen - lOffset);
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fileImage.CloseFile();
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}
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if (pImage)delete[] pImage;
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pImage = NULL;
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m_fileName = strFile;
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}
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}
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CRecordBitmapBlip::CRecordBitmapBlip()
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{
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}
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CRecordBitmapBlip::~CRecordBitmapBlip()
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{
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}
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void CRecordBitmapBlip::ReadFromStream(SRecordHeader &oHeader, POLE::Stream *pStream)
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{
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return CUnknownRecord::ReadFromStream(oHeader, pStream);
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}
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