154 lines
4.4 KiB
C++
154 lines
4.4 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 "Spa.h"
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#include "VirtualStreamReader.h"
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namespace DocFileFormat
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{
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Spa::Spa() : spid(0), fHdr(0), bx(MARGIN), by(MARGIN), wr(0), wrk(0),
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xaLeft(0), yaTop(0), xaRight(0), yaBottom(0),
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fRcaSimple(0), fBelowText(0), fAnchorLock(0), cTxbx(0)
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{
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}
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Spa::~Spa()
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{
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for (int i = 0 ; i < primitives.size(); i++)
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{
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if (primitives[i]) delete primitives[i];
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primitives[i] = NULL;
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}
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}
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void Spa::read_primitives(Spa* pSpa, VirtualStreamReader* reader, int length)
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{
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if (!pSpa) return;
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if (!reader || length < 1) return;
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int stream_pos = reader->GetPosition();
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int pos = 0;
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while (pos < length)
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{
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reader->Seek(stream_pos + pos, 0);
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unsigned short dpk = reader->ReadUInt16();
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int shape_type = FormatUtils::BitmaskToInt (dpk, 0x00ff);
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short cb_primitive = reader->ReadInt16();
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if ((cb_primitive < 1) || (pos + cb_primitive > length))
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{
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reader->Seek(reader->GetPosition() - 4, 0);
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break;
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}
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DrawingPrimitive *dp = DrawingPrimitive::Create(reader, cb_primitive - 4, shape_type);
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if (dp)
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pSpa->primitives.push_back(dp);
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if (shape_type == 0x00)
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{
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//start group
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read_primitives(pSpa, reader, cb_primitive - 4);
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}
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else if (shape_type == 0x08)
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{
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//end group
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break;
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}
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pos += cb_primitive;
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}
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}
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ByteStructure* Spa::ConstructObject(VirtualStreamReader* reader, int length)
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{
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Spa* pSpa = new Spa();
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if (!pSpa) return NULL;
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if (reader->nWordVersion > 0)
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{
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int fc = reader->ReadInt32();
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pSpa->cTxbx = reader->ReadUInt16();
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int pos_keep = reader->GetPosition();
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reader->Seek(fc, 0);
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unsigned short dok = reader->ReadUInt16();
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short cb = reader->ReadInt16();
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pSpa->bx = (AnchorType)reader->ReadByte();
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pSpa->by = (AnchorType)reader->ReadByte();
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short height = reader->ReadInt16();
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pSpa->fAnchorLock = reader->ReadUInt16();
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int pos = 10; //fixed size
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read_primitives(pSpa, reader, cb - 10/*_primitive*/);
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reader->Seek(pos_keep, 0);
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}
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else
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{
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pSpa->spid = reader->ReadInt32();
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pSpa->xaLeft = reader->ReadInt32();
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pSpa->yaTop = reader->ReadInt32();
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pSpa->xaRight = reader->ReadInt32();
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pSpa->yaBottom = reader->ReadInt32();
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unsigned short flag = reader->ReadUInt16();
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pSpa->fHdr = FormatUtils::BitmaskToBool(flag, 0x0001);
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pSpa->bx = (AnchorType)FormatUtils::BitmaskToInt(flag, 0x0006);
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pSpa->by = (AnchorType)FormatUtils::BitmaskToInt(flag, 0x0018);
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pSpa->wr = (unsigned short)FormatUtils::BitmaskToInt(flag, 0x01E0);
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pSpa->wrk = (unsigned short)FormatUtils::BitmaskToInt(flag, 0x1E00);
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pSpa->fRcaSimple = FormatUtils::BitmaskToBool(flag, 0x2000);
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pSpa->fBelowText = FormatUtils::BitmaskToBool(flag, 0x4000);
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pSpa->fAnchorLock = FormatUtils::BitmaskToBool(flag, 0x8000);
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pSpa->cTxbx = reader->ReadInt32();
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}
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return static_cast<ByteStructure*>(pSpa);
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}
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}
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