core/OOXML/PPTXFormat/Logic/Effects/XfrmEffect.cpp

/*
 * Copyright (C) Ascensio System SIA, 2009-2026
 *
 * This program is a free software product. You can redistribute it and/or
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 * source code, which remains licensed under the GNU Affero General
 * Public License v3.
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 * SPDX-License-Identifier: AGPL-3.0-only
 */

#include "XfrmEffect.h"

namespace PPTX
{
	namespace Logic
	{
		XfrmEffect& XfrmEffect::operator=(const XfrmEffect& oSrc)
		{
			parentFile		= oSrc.parentFile;
			parentElement	= oSrc.parentElement;

			kx = oSrc.kx;
			ky = oSrc.ky;
			sx = oSrc.sx;
			sy = oSrc.sy;
			tx = oSrc.tx;
			ty = oSrc.ty;

			return *this;
		}
		OOX::EElementType XfrmEffect::getType() const
		{
			return OOX::et_a_xfrm;
		}
		void XfrmEffect::fromXML(XmlUtils::CXmlLiteReader& oReader)
		{
			ReadAttributes( oReader );
		}
		void XfrmEffect::ReadAttributes(XmlUtils::CXmlLiteReader& oReader)
		{
			WritingElement_ReadAttributes_Start_No_NS( oReader )
				WritingElement_ReadAttributes_Read_if     ( oReader, _T("kx"), kx)
				WritingElement_ReadAttributes_Read_else_if( oReader, _T("ky"), ky)
				WritingElement_ReadAttributes_Read_else_if( oReader, _T("sx"), sx)
				WritingElement_ReadAttributes_Read_else_if( oReader, _T("sy"), sy)
				WritingElement_ReadAttributes_Read_else_if( oReader, _T("tx"), tx)
				WritingElement_ReadAttributes_Read_else_if( oReader, _T("ty"), ty)
			WritingElement_ReadAttributes_End_No_NS( oReader )

			Normalize();
		}
		void XfrmEffect::fromXML(XmlUtils::CXmlNode& node)
		{
			XmlMacroReadAttributeBase(node, L"kx", kx);
			XmlMacroReadAttributeBase(node, L"ky", ky);
			XmlMacroReadAttributeBase(node, L"sx", sx);
			XmlMacroReadAttributeBase(node, L"sy", sy);
			XmlMacroReadAttributeBase(node, L"tx", tx);
			XmlMacroReadAttributeBase(node, L"ty", ty);

			Normalize();
		}
		std::wstring XfrmEffect::toXML() const
		{
			XmlUtils::CAttribute oAttr;
			oAttr.Write(_T("sx"), sx);
			oAttr.Write(_T("sy"), sy);
			oAttr.Write(_T("kx"), kx);
			oAttr.Write(_T("ky"), ky);
			oAttr.Write(_T("tx"), tx);
			oAttr.Write(_T("ty"), ty);

			return XmlUtils::CreateNode(_T("a:xfrm"), oAttr);
		}
		void XfrmEffect::toXmlWriter(NSBinPptxRW::CXmlWriter* pWriter) const
		{
			pWriter->StartNode(L"a:xfrm");
			pWriter->StartAttributes();
			pWriter->WriteAttribute(L"kx", kx);
			pWriter->WriteAttribute(L"ky", ky);
			pWriter->WriteAttribute(L"sx", sx);
			pWriter->WriteAttribute(L"sy", sy);
			pWriter->WriteAttribute(L"tx", tx);
			pWriter->WriteAttribute(L"ty", ty);
			pWriter->EndAttributes();
			pWriter->EndNode(L"a:xfrm");
		}
		void XfrmEffect::toPPTY(NSBinPptxRW::CBinaryFileWriter* pWriter) const
		{
			pWriter->StartRecord(EFFECT_TYPE_XFRM);

			pWriter->WriteBYTE(NSBinPptxRW::g_nodeAttributeStart);
			pWriter->WriteInt2(0, kx);
			pWriter->WriteInt2(1, ky);
			pWriter->WriteInt2(2, sx);
			pWriter->WriteInt2(3, sy);
			pWriter->WriteSize_t2(4, tx);
			pWriter->WriteSize_t2(5, tx);
			pWriter->WriteBYTE(NSBinPptxRW::g_nodeAttributeEnd);

			pWriter->EndRecord();
		}
		void XfrmEffect::fromPPTY(NSBinPptxRW::CBinaryFileReader* pReader)
		{
			pReader->Skip(4); // len
			BYTE _type = pReader->GetUChar();
			LONG _end_rec = pReader->GetPos() + pReader->GetRecordSize() + 4;

			pReader->Skip(1);

			while (true)
			{
				BYTE _at = pReader->GetUChar_TypeNode();
				if (_at == NSBinPptxRW::g_nodeAttributeEnd)
					break;

				switch (_at)
				{
					case 0:	kx	= pReader->GetLong(); break;
					case 1: ky	= pReader->GetLong(); break;
					case 2: sx	= pReader->GetLong(); break;
					case 3: sy	= pReader->GetLong(); break;
					case 4: tx	= (size_t)pReader->GetULong(); break;
					case 5: ty	= (size_t)pReader->GetULong(); break;
				}
			}
			pReader->Seek(_end_rec);
		}
		void XfrmEffect::FillParentPointersForChilds(){}
		void XfrmEffect::Normalize()
		{
			kx.normalize(-5400000, 5400000);
			ky.normalize(-5400000, 5400000);
		}
	} // namespace Logic
} // namespace PPTX