/*
 * (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 "Ratio.h"

namespace PPTX
{
	namespace nsViewProps
	{
		void Ratio::fromXML(XmlUtils::CXmlNode& node)
		{
			name = XmlUtils::GetNameNoNS(node.GetName());

			n = node.ReadAttributeInt(L"n");
			d = node.ReadAttributeInt(L"d");

			Normalize();
		}
		std::wstring Ratio::toXML() const
		{
			XmlUtils::CAttribute oAttr;
			oAttr.Write(L"n", n);
			oAttr.Write(L"d", d);

			return XmlUtils::CreateNode(L"a:" + name, oAttr);
		}
		void Ratio::toPPTY(NSBinPptxRW::CBinaryFileWriter* pWriter) const
		{
			pWriter->WriteBYTE(NSBinPptxRW::g_nodeAttributeStart);
			pWriter->WriteInt1(0, d);
			pWriter->WriteInt1(1, n);
			pWriter->WriteBYTE(NSBinPptxRW::g_nodeAttributeEnd);
		}
		void Ratio::fromPPTY(NSBinPptxRW::CBinaryFileReader* pReader)
		{
			LONG _end_rec = pReader->GetPos() + pReader->GetRecordSize() + 4;
			pReader->Skip(1); // start attributes

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

				switch (_at)
				{
					case 0:
					{
						d = pReader->GetLong();
					}break;
					case 1:
					{
						n = pReader->GetLong();
					}break;
					default:
						break;
				}
			}
			pReader->Seek(_end_rec);
		}
		void Ratio::FillParentPointersForChilds()
		{
		}
		void Ratio::Normalize()
		{
			if (d < 0)
				d = 0;
			if (n < 0)
				n = 0;
		}
	} // namespace nsViewProps
} // namespace PPTX