mirror of
https://github.com/ONLYOFFICE/core.git
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137 lines
4.0 KiB
C++
137 lines
4.0 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2023
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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-6 Ernesta Birznieka-Upish
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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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#include "PICFile.h"
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#include "pic.h"
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#include "../../common/File.h"
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namespace PICT {
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bool ImageToFrame(ImagePICT* pImage, CBgraFrame* pFrame, bool isRGBA)
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{
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int nWidth = pImage->m_nWidth;
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int nHeight = pImage->m_nHeight;
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int BufferSize = 4 * nWidth * nHeight;
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if (BufferSize < 1)
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return false;
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pFrame->put_Height(nHeight);
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pFrame->put_Width(nWidth);
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pFrame->put_Stride(4 * nWidth);
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BYTE* pData = new BYTE[BufferSize];
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if (!pData)
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return false;
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pFrame->put_Data(pData);
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unsigned char* pBufferPtr = (unsigned char*)pData;
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unsigned int indR = isRGBA ? 2 : 0;
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unsigned int indG = 1;
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unsigned int indB = isRGBA ? 0 : 2;
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for (size_t i = 0; i < pImage->m_nHeight; i++)
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{
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unsigned char* q = pImage->ppixels + pImage->number_channels * (i * pImage->m_nWidth);
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for (size_t j = 0; j < pImage->m_nWidth; j++)
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{
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pBufferPtr[indR] = *(q + 2);
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pBufferPtr[indG] = *(q + 1);
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pBufferPtr[indB] = *q;
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pBufferPtr[3] = *(q + 3);
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q += 4;
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pBufferPtr += 4;
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}
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}
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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bool CPictFile::Open(CBgraFrame *pFrame, const std::wstring &strFileName, bool isRGBA)
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{
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NSFile::CFileBinary oFile;
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if (!oFile.OpenFile(strFileName))
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return false;
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ImagePICT* pImage = new ImagePICT;
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AquireImage(pImage);
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bool status = false;
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if (DecodePICT(oFile.GetFileNative(), pImage))
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{
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status = ImageToFrame(pImage, pFrame, isRGBA);
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}
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DestroyImage(pImage);
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oFile.CloseFile();
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return status;
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}
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bool CPictFile::Open(CBgraFrame *pFrame, BYTE *pBuffer, int nSize, bool isRGBA)
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{
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NSFile::CFileBinary oFile;
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std::wstring sTmpFile = NSFile::CFileBinary::CreateTempFileWithUniqueName(NSFile::CFileBinary::GetTempPath(), L"pct");
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if (sTmpFile.empty())
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return false;
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if (!oFile.CreateFile(sTmpFile))
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return false;
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ImagePICT* pImage = new ImagePICT;
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AquireImage(pImage);
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oFile.WriteFile(pBuffer, nSize);
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oFile.SetPosition(0);
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bool status = false;
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if (DecodePICT(oFile.GetFileNative(), pImage))
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{
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status = ImageToFrame(pImage, pFrame, isRGBA);
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}
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DestroyImage(pImage);
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oFile.CloseFile();
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if (NSFile::CFileBinary::Exists(sTmpFile))
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NSFile::CFileBinary::Remove(sTmpFile);
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return status;
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}
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}
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