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//////////////////////////////////////////////////////////////////////////////
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//文件 CurveBinary.h
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//主要功能:
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// 基础类库
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//程序编写: 2005-12-07
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/////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include <math.h>
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#include "curve.h"
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#define CB_CURVE 1
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#define CB_POINT 2
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#define CB_LAYER 3
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#define CB_NAME 4
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//////////////////////////////////////对*.dfx文件进行读写///////////////////////////////////////////
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class AFX_EXT_CLASS CCurveBinary
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{
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protected:
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int WriteCurveX(__int32 num, double* x, double* y);
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int WritePoint(__int32 num, double* x, double* y);
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int GetCurve(void* pList,CCurve &cu);
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int iFile;
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char* m_class;
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public:
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CCurveBinary(void);
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~CCurveBinary(void);
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BOOL Open(char* pstrFileName, int IsWrite); //IsWrite=1为新建打开写，=2为追加方式写
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BOOL IsOpen(void);
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void Close(void);
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int GetFileHandle(void);
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static int ToText(CString strBinaryName, CString strDfdName); //转换二进制曲线数据到DFD格式文件中
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CString GetCurrentLayer(void);
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int Seek(char * pNameLayer); //定位到指定层名处
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int GetNextLayer(); //获得下一个层名位置,返回 CB_LAYER 为层名
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int GetLayers(CStringList& sList); //获得文件中所有层名
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int ReplaceLayer(char* pstrFileName, char* pOldLayer, char* pNewLayer);
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int DeleteLayer(char* pstrFileName, char* pNameLayer); //删除一个层位，当文件为空时将自动删除该文件
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int WriteClass(char* pNameLayer); //写一个层名
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int WriteClass(int nFileHandle, char* pNameLayer);
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int WriteCurve(CCurve &cu); //写一条曲线
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int Read(CCurve &cu);
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//m_cross中为指针列表,该指针的前8个字节为交点值,后面的字节为该交点的层名
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void Cross(char* pstrFileName, int x0, CPtrList& m_cross); //计算所有交点
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int CrossOne(int x0, CPtrList& m_cross); //计算一个交点,
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};
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