Yajbir Singh
372 lines
11 KiB
C++
372 lines
11 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 "PictureDescriptor.h"
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#include "OfficeDrawing/MetafilePictBlip.h"
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#include "../../DesktopEditor/raster/BgraFrame.h"
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#ifndef MM_ISOTROPIC
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#define MM_ISOTROPIC 7
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#endif
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#ifndef MM_ANISOTROPIC
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#define MM_ANISOTROPIC 8
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#endif
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namespace ImageHelper
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{
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Global::_BlipType SaveImageToFileFromDIB(unsigned char* data, int size, std::wstring& file_name)//without ext
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{
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Global::_BlipType result = Global::msoblipERROR;
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CBgraFrame oFrame;
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int offset = 0, biSizeImage = 0;
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__BITMAPINFOHEADER * header = (__BITMAPINFOHEADER*)data;
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if (!header) return result;
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result = Global::msoblipDIB;
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if (header->biWidth > 100000 || header->biHeight > 100000 || header->biSize != 40)
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{
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__BITMAPCOREHEADER * header_core = (__BITMAPCOREHEADER *)data;
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if (header_core->bcSize != 12)
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{
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result = Global::msoblipWMF;
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}
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else
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{
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offset = 12; //sizeof(BITMAPCOREHEADER)
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oFrame.put_Height (header_core->bcHeight );
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oFrame.put_Width (header_core->bcWidth );
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int sz_bitmap = header_core->bcHeight * header_core->bcWidth * header_core->bcBitCount/ 8;
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//if (header_core->bcWidth % 2 != 0 && sz_bitmap < size - offset)
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// header_core->bcWidth++;
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///???? todooo непонятно .. в biff5 нужно флипать картинку, в biff8 не ясно ( -
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int stride = -(size - offset) / header_core->bcHeight;
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oFrame.put_Stride (stride/*header_core->bcBitCount * header_core->bcWidth /8 */);
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biSizeImage = size - offset;
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if (-stride >= header_core->bcWidth && header_core->bcBitCount >=24 )
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{
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result = Global::msoblipPNG;
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}
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}
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}
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else
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{
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offset = 40; //sizeof(BITMAPINFOHEADER)
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oFrame.put_Height (header->biHeight );
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oFrame.put_Width (header->biWidth );
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int sz_bitmap = header->biHeight * header->biWidth * header->biBitCount/ 8;
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//if (header->biWidth % 2 != 0 && sz_bitmap < size -offset)
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// header->biWidth++;
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if (header->biClrUsed > 0)
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{
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oFrame.put_Palette((unsigned char*)data + offset, header->biClrUsed);
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offset += header->biClrUsed * 4;
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}
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int stride = -(size - offset) / header->biHeight;
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if (-stride >= header->biWidth/* && header->biBitCount >= 24*/)
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{
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result = Global::msoblipPNG;
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}
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oFrame.put_Stride(stride);
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biSizeImage = header->biSizeImage > 0 ? header->biSizeImage : (size - offset);
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}
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//------------------------------------------------------------------------------------------
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if (result == Global::msoblipPNG)
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{
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oFrame.put_Data((unsigned char*)data + offset);
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file_name += L".png";
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if (!oFrame.SaveFile(file_name, 4/*CXIMAGE_FORMAT_PNG*/))
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{
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result = Global::msoblipDIB;
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}
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oFrame.put_Data(NULL);
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}
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else if (result == Global::msoblipWMF)
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{
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file_name += L".wmf";
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NSFile::CFileBinary file;
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if (file.CreateFileW(file_name))
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{
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file.WriteFile((BYTE*)data, size);
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file.CloseFile();
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}
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}
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if (biSizeImage > 0 && result == Global::msoblipDIB)
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{
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file_name += L".bmp";
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NSFile::CFileBinary file;
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if (file.CreateFileW(file_name))
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{
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_UINT16 vtType = 0x4D42; file.WriteFile((BYTE*)&vtType, 2);
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_UINT32 dwLen = biSizeImage; file.WriteFile((BYTE*)&dwLen, 4);
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_UINT32 dwRes = 0; file.WriteFile((BYTE*)&dwRes, 4);
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_UINT32 dwOffset = 2; file.WriteFile((BYTE*)&dwOffset, 4);
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file.WriteFile((BYTE*)data, size);
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file.CloseFile();
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}
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}
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return result;
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}
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}
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namespace DocFileFormat
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{
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/// Parses the CHPX for a fcPic an loads the PictureDescriptor at this offset
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PictureDescriptor::PictureDescriptor(CharacterPropertyExceptions* chpx, POLE::Stream* stream, int size, int nWordVersion)
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:
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dxaGoal(0), dyaGoal(0), mx(0), my(0), Type(jpg), mfp(), dxaCropLeft(0), dyaCropTop(0),
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dxaCropRight(0), dyaCropBottom(0), brcTop(NULL), brcLeft(NULL), brcBottom(NULL), brcRight(NULL), dxaOrigin(0), dyaOrigin(0),
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cProps(0), shapeContainer(NULL), blipStoreEntry(NULL), embeddedData(NULL), embeddedDataSize(0), embeddedDataHeader(NULL)
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{
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//Get start and length of the PICT
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int fc = GetFcPic( chpx );
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if ( fc >= 0 )
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{
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parse( stream, fc, size, nWordVersion);
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}
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}
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PictureDescriptor::PictureDescriptor()
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:
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dxaGoal(0), dyaGoal(0), mx(0), my(0), Type(jpg), mfp(), dxaCropLeft(0), dyaCropTop(0),
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dxaCropRight(0), dyaCropBottom(0), brcTop(NULL), brcLeft(NULL), brcBottom(NULL), brcRight(NULL), dxaOrigin(0), dyaOrigin(0),
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cProps(0), shapeContainer(NULL), blipStoreEntry(NULL), embeddedData(NULL), embeddedDataSize(0), embeddedDataHeader(NULL)
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{
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}
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PictureDescriptor::~PictureDescriptor()
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{
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Clear();
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}
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void PictureDescriptor::Clear()
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{
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RELEASEOBJECT(brcTop);
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RELEASEOBJECT(brcLeft);
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RELEASEOBJECT(brcBottom);
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RELEASEOBJECT(brcRight);
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RELEASEOBJECT(shapeContainer);
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RELEASEOBJECT(blipStoreEntry);
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RELEASEARRAYOBJECTS(embeddedData);
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RELEASEARRAYOBJECTS(embeddedDataHeader);
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}
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void PictureDescriptor::parse(POLE::Stream* stream, int fc, int sz, int nWordVersion)
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{
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Clear();
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VirtualStreamReader reader(stream, fc, nWordVersion);
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int sz_stream = reader.GetSize();
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int lcb = reader.ReadInt32();
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int pos_start = reader.GetPosition();
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if (lcb > 10000000)
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return;
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if (lcb > sz && sz != 1 && sz != 2) //bullet picture с неверным размером
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{
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unsigned char* bytes = reader.ReadBytes(sz - fc - 4, false);
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if ( bytes )
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{
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RELEASEARRAYOBJECTS( bytes );
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}
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return;
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}
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if (lcb < 10)
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return;
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int cbHeader = reader.ReadUInt16();
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mfp.mm = reader.ReadInt16();
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mfp.xExt = reader.ReadInt16();
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mfp.yExt = reader.ReadInt16();
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mfp.hMf = reader.ReadInt16();
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unsigned char* bytes = reader.ReadBytes(14, true);
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rcWinMf = std::vector<unsigned char>(bytes, (bytes + 14));
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RELEASEARRAYOBJECTS(bytes);
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//dimensions
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dxaGoal = reader.ReadInt16();
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dyaGoal = reader.ReadInt16();
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mx = reader.ReadUInt16();
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my = reader.ReadUInt16();
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//cropping
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dxaCropLeft = reader.ReadInt16();
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dyaCropTop = reader.ReadInt16();
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dxaCropRight = reader.ReadInt16();
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dyaCropBottom = reader.ReadInt16();
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int brcl = reader.ReadInt16();
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// borders
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int bytesCount = (nWordVersion > 0) ? 2 : 4;
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bytes = reader.ReadBytes( bytesCount, true );
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brcTop = new BorderCode( bytes, bytesCount );
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RELEASEARRAYOBJECTS( bytes );
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bytes = reader.ReadBytes( bytesCount, true );
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brcLeft = new BorderCode( bytes, bytesCount );
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RELEASEARRAYOBJECTS( bytes );
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bytes = reader.ReadBytes( bytesCount, true );
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brcBottom = new BorderCode( bytes, bytesCount );
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RELEASEARRAYOBJECTS( bytes );
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bytes = reader.ReadBytes( bytesCount, true );
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brcRight = new BorderCode( bytes, bytesCount );
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RELEASEARRAYOBJECTS( bytes );
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dxaOrigin = reader.ReadInt16();
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dyaOrigin = reader.ReadInt16();
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int pos_end = reader.GetPosition();
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if (nWordVersion > 0)
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{
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int flag = brcl;
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brcl = FormatUtils::BitmaskToBool(flag, 0x000F);
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//( 0 single 1 thick 2 double 3 shadow )
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bool fFrameEmpty = FormatUtils::BitmaskToBool(flag, 0x0010);// picture consists of a single frame
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bool fBitmap = FormatUtils::BitmaskToBool(flag, 0x0020);// ==1, when picture is just a bitmap
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bool fDrawHatch = FormatUtils::BitmaskToBool(flag, 0x0040);// ==1, when picture is an active OLE object
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bool fError = FormatUtils::BitmaskToBool(flag, 0x0080);// ==1, when picture is just an error message
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short bpp = FormatUtils::BitmaskToBool(flag, 0x8000);// bits per pixel
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//(0 unknown 1 monochrome 4 VGA)
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int sz_hdr = pos_end - pos_start;
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int header_size = 114;
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embeddedDataSize = lcb - sz_hdr - header_size;
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embeddedDataHeader = reader.ReadBytes( header_size, true);
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embeddedData = reader.ReadBytes( embeddedDataSize, true );
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}
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else
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{
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cProps = reader.ReadInt16();
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if (mfp.mm == MM_SHAPEFILE)
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{
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unsigned char cchPicName = reader.ReadByte();
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unsigned char* stPicName = reader.ReadBytes(cchPicName, true);
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if ( stPicName != NULL )
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{
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std::wstring picName;
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FormatUtils::GetWStringFromBytes( picName, stPicName, cchPicName, ENCODING_WINDOWS_1250 );
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RELEASEARRAYOBJECTS(stPicName);
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}
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}
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shapeContainer = dynamic_cast<ShapeContainer*>(RecordFactory::ReadRecord(&reader, 0));
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long pos = reader.GetPosition();
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if( pos < ( fc + lcb ))
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{
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Record* rec = RecordFactory::ReadRecord( &reader, 0 );
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if ((rec) && ( typeid(*rec) == typeid(BlipStoreEntry) ))
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{
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blipStoreEntry = dynamic_cast<BlipStoreEntry*>( rec );
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}
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else
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{
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RELEASEOBJECT(rec);
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}
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}
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}
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}
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/// Returns the fcPic into the "data" stream, where the PIC begins.
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/// Returns -1 if the CHPX has no fcPic.
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int PictureDescriptor::GetFcPic(const CharacterPropertyExceptions* chpx)
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{
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int ret = -1, ret1 = -1;
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for ( std::vector<SinglePropertyModifier>::const_iterator iter = chpx->grpprl->begin(); iter != chpx->grpprl->end(); iter++ )
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{
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switch ( iter->OpCode )
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{
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case sprmOldCPicLocation:
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case sprmCPicLocation:
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ret = FormatUtils::BytesToInt32( iter->Arguments, 0, iter->argumentsSize );
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break;
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case sprmOldCHps:
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case sprmCHps:
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ret1 = FormatUtils::BytesToInt32( iter->Arguments, 0, iter->argumentsSize );
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break;
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case sprmCHsp:
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ret = FormatUtils::BytesToInt32( iter->Arguments, 0, iter->argumentsSize );
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break;
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case sprmOldCFData:
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case sprmCFData:
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break;
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default:
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break;
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}
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}
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return ret;
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}
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} |