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#pragma once
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#include <iostream>
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#include <vector>
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#include <set>
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using namespace std;
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const double EPSILON = 0.000001;
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struct GridPoint
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{
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int row;
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int col;
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};
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struct Vector2d
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{
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public:
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Vector2d()
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{
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//EPSILON = dEPSILON;
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}
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Vector2d(double dx, double dy)
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{
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x = dx;
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y = dy;
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//EPSILON = dEPSILON;
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}
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// 文楚験峙
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void set(double dx, double dy)
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{
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x = dx;
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y = dy;
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}
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// 文楚<E69687>紗
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Vector2d operator + (const Vector2d& v) const
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{
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return Vector2d(x + v.x, y + v.y);
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}
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// 文楚<E69687>受
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Vector2d operator - (const Vector2d& v) const
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{
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return Vector2d(x - v.x, y - v.y);
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}
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//文楚方核
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Vector2d Scalar(double c) const
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{
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return Vector2d(c*x, c*y);
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}
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// 文楚泣持
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double Dot(const Vector2d& v) const
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{
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return x * v.x + y * v.y;
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}
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//<2F>楚議庁
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double Mod() const
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{
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return sqrt(x * x + y * y);
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}
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bool Equel(const Vector2d& v) const
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{
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if (abs(x - v.x) < EPSILON && abs(y - v.y) < EPSILON)
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{
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return true;
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}
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return false;
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}
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double x, y;
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//double EPSILON; //<2F>殆海業
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};
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class VectorToRaster
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{
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public:
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VectorToRaster(void);
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~VectorToRaster(void);
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void GetRasterLine(vector<int> ptsRow,vector<int> ptsCol,vector<int>& rowList,vector<int>& colList);
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set<vector<int> > GetRasterLineEx(vector<int> ptsRow,vector<int> ptsCol,int row_max,int col_max,int tolerance=1);
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private:
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void RasterLine(std::pair<Vector2d, Vector2d> line, std::vector<Vector2d>& linePointList);
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void ExtendGrid(int cx,int cy,int x_max,int y_max,int tolerance,set<vector<int> >& resultSet);
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};
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