core/ASCOfficePPTXFile/PPTXFormat/Logic/LineJoin.h

#pragma once
#ifndef PPTX_LOGIC_LINEJOIN_INCLUDE_H_
#define PPTX_LOGIC_LINEJOIN_INCLUDE_H_

#include "./../WrapperWritingElement.h"

namespace PPTX
{
	namespace Logic
	{
		enum eJoin {JoinEmpty = 0, JoinRound = 1, JoinBevel = 2, JoinMiter = 3};
	
		class LineJoin : public WrapperWritingElement
		{
		public:
			PPTX_LOGIC_BASE(LineJoin)

			virtual bool is_init()const{return (type==JoinEmpty);};

		public:
			virtual void GetJoinFrom(XmlUtils::CXmlNode& element)
			{
				type = JoinEmpty;
				XmlUtils::CXmlNode oNode = element.ReadNodeNoNS(_T("round"));
				if (oNode.IsValid())
					type = JoinRound;
				else
				{
					oNode = element.ReadNodeNoNS(_T("bevel"));
					if (oNode.IsValid())
						type = JoinBevel;
					else
					{
						oNode = element.ReadNodeNoNS(_T("miter"));
						if (oNode.IsValid())
						{
							type = JoinMiter;
							oNode.ReadAttributeBase(L"lim", lim);
						}
					}
				}

				Normalize();
			}
			virtual void fromXML(XmlUtils::CXmlNode& node)
			{
				CString name = XmlUtils::GetNameNoNS(node.GetName());
				
				type = JoinEmpty;

				if (name == _T("round"))
					type = JoinRound;
				else if (name == _T("bevel"))
					type = JoinBevel;
				else if (name == _T("miter"))
				{
					type = JoinMiter;
					node.ReadAttributeBase(L"lim", lim);
				}

				Normalize();
			}
			virtual CString toXML() const
			{
				if(type == JoinRound)
					return _T("<a:round/>");
				else if(type == JoinBevel)
					return _T("<a:bevel/>");
				else if(type == JoinMiter)
				{
					XmlUtils::CAttribute oAttr;
					oAttr.Write(_T("lim"), lim);

					return XmlUtils::CreateNode(_T("a:miter"), oAttr);
				}
				return _T("");
			}

			virtual void toXmlWriter(NSBinPptxRW::CXmlWriter* pWriter) const
			{
				CString sNodeNamespace;
				CString sAttrNamespace;
				if (XMLWRITER_DOC_TYPE_WORDART == pWriter->m_lDocType)
				{
					sNodeNamespace = _T("w14:");
					sAttrNamespace = sNodeNamespace;
				}
				else
					sNodeNamespace = _T("a:");
				if (type == JoinRound)
				{
					pWriter->WriteString(_T("<") + sNodeNamespace + _T("round/>"));
				}
				else if (type == JoinBevel)
				{
					pWriter->WriteString(_T("<") + sNodeNamespace + _T("bevel/>"));
				}
				else if (type == JoinMiter)
				{
					pWriter->StartNode(sNodeNamespace + _T("miter"));
					pWriter->StartAttributes();
					pWriter->WriteAttribute(sAttrNamespace + _T("lim"), lim);
					pWriter->EndAttributes();
					pWriter->EndNode(sNodeNamespace + _T("miter"));
				}
			}

			virtual void toPPTY(NSBinPptxRW::CBinaryFileWriter* pWriter) const
			{
				pWriter->WriteBYTE(NSBinPptxRW::g_nodeAttributeStart);
				int bb = (int)type;
				pWriter->WriteInt1(0, bb);
				pWriter->WriteInt2(1, lim);
				pWriter->WriteBYTE(NSBinPptxRW::g_nodeAttributeEnd);				
			}

			virtual void fromPPTY(NSBinPptxRW::CBinaryFileReader* pReader)
			{
				LONG _end_rec = pReader->GetPos() + pReader->GetLong() + 4;

				pReader->Skip(1); // start attributes

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

					switch (_at)
					{
						case 0:
						{
							type = (eJoin)pReader->GetLong();
							break;
						}
						case 1:
						{
							lim = pReader->GetLong();
							break;
						}
						default:
							break;
					}
				}

				pReader->Seek(_end_rec);
			}

		public:
			eJoin			type;
			nullable_int	lim;
		protected:
			virtual void FillParentPointersForChilds(){};

			AVSINLINE void Normalize()
			{
				lim.normalize_positive();
			}
		};
	} // namespace Logic
} // namespace PPTX

#endif // PPTX_LOGIC_LINEJOIN_INCLUDE_H_