Files
core/MsBinaryFile/PptFile/Records/Animations/TimeNodeAtom.cpp
2023-03-01 23:21:57 +03:00

77 lines
3.7 KiB
C++

/*
* (c) Copyright Ascensio System SIA 2010-2023
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#include "TimeNodeAtom.h"
using namespace PPT;
void CRecordTimeNodeAtom::ReadFromStream(SRecordHeader &oHeader, POLE::Stream *pStream)
{
m_oHeader = oHeader;
// LONG lPos = 0; StreamUtils::StreamPosition(lPos, pStream);
StreamUtils::StreamSkip ( sizeof ( _UINT32 ), pStream );
// 0x00000000 Does not restart.
// 0x00000001 Can restart at any time.
// 0x00000002 Can restart when the corresponding time node is not active.
// 0x00000003 Same as 0x00000000.
m_dwRestart = StreamUtils::ReadDWORD ( pStream );
// 0x00000000 specifies that this time node is a parallel time node,
// which allows all of its child nodes to start at the same time.
m_dwType = (TimeNodeTypeEnum)StreamUtils::ReadDWORD ( pStream );
// 0x00000000 The properties remain at their ending values while the parent time node is still running or holding. After which, the properties reset to their original values.
// 0x00000001 The properties reset to their original values after the time node becomes inactive.
// 0x00000002 The properties remain at their ending values while the parent time node is still running or holding, or until another sibling time node is started under a sequential time node as specified in the type field. After which, the properties reset to their original values.
// 0x00000003 Same as 0x00000000.
// 0x00000004 Same as 0x00000001.
m_dwFill = StreamUtils::ReadDWORD ( pStream );
StreamUtils::StreamSkip ( sizeof ( _UINT32 ), pStream );
StreamUtils::StreamSkip ( sizeof ( _UINT32 ), pStream );
// duration: 0xFFFFFFFF specifies that the duration of the time node is infinite,
// and that its actual duration is determined by the durations of its child nodes.
m_nDuration = StreamUtils::ReadLONG ( pStream );
_UINT32 Value = StreamUtils::ReadDWORD ( pStream );
m_fFillProperty = ( 0x01 == ( 0x01 & ((BYTE)Value) ) );
m_fRestartProperty = ( 0x02 == ( 0x02 & ((BYTE)Value) ) );
m_fGroupingTypeProperty = ( 0x08 == ( 0x08 & ((BYTE)Value) ) );
m_fDurationProperty = ( 0x10 == ( 0x10 & ((BYTE)Value) ) );
// StreamUtils::StreamSeek ( lPos + m_oHeader.RecLen, pStream );
}