test_p2r.cpp

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#include <iostream>
#include <vector>
#include <list>
#include <set>
#include <limbo/geometry/Polygon2Rectangle.h>
using std::cout;
using std::endl;
using std::vector;
using std::list;
using std::set;
using namespace limbo::geometry; 

struct Point
{
    typedef int value_type;
    value_type m_x;
    value_type m_y;
    value_type const& x() const {return m_x;}
    value_type const& y() const {return m_y;}
    void x(value_type v) {m_x = v;}
    void y(value_type v) {m_y = v;}

    //bool operator==(Point const& rhs) {return x() == rhs.x() && y() == rhs.y();}
};

namespace limbo { namespace geometry {

template <>
struct point_traits<Point>
{
    typedef Point point_type;
    typedef int coordinate_type;

    static coordinate_type get(const point_type& point, orientation_2d orient) 
    {
        if (orient == HORIZONTAL) return point.x();
        else if (orient == VERTICAL) return point.y();
        else assert(0);
    }
    static void set(point_type& point, orientation_2d orient, coordinate_type value) 
    {
        if (orient == HORIZONTAL) return point.x(value);
        else if (orient == VERTICAL) return point.y(value);
        else assert(0);
    }
    static point_type construct(coordinate_type x, coordinate_type y) 
    {
        point_type p; 
        p.x(x); p.y(y);
        return p;
    }
};

}}

struct Rectangle 
{
    typedef int value_type;

    value_type m_xl;
    value_type m_yl;
    value_type m_xh;
    value_type m_yh;

    value_type const& xl() const {return m_xl;}
    value_type const& yl() const {return m_yl;}
    value_type const& xh() const {return m_xh;}
    value_type const& yh() const {return m_yh;}
    void xl(value_type v) {m_xl = v;}
    void yl(value_type v) {m_yl = v;}
    void xh(value_type v) {m_xh = v;}
    void yh(value_type v) {m_yh = v;}
};

namespace limbo { namespace geometry {

template <>
struct rectangle_traits<Rectangle>
{
    typedef Rectangle rectangle_type;
    typedef int coordinate_type;

    static coordinate_type get(const rectangle_type& rect, direction_2d dir) 
    {
        switch (dir)
        {
            case LEFT: return rect.xl();
            case BOTTOM: return rect.yl();
            case RIGHT: return rect.xh();
            case TOP: return rect.yh();
            default: assert(0);
        }
    }
    static void set(rectangle_type& rect, direction_2d dir, coordinate_type value) 
    {
        switch (dir)
        {
            case LEFT: rect.xl(value); break;
            case BOTTOM: rect.yl(value); break;
            case RIGHT: rect.xh(value); break;
            case TOP: rect.yh(value); break;
            default: assert(0);
        }
    }
    static rectangle_type construct(coordinate_type xl, coordinate_type yl, coordinate_type xh, coordinate_type yh) 
    {
        rectangle_type rect; 
        rect.xl(xl); rect.yl(yl);
        rect.xh(xh); rect.yh(yh);
        return rect;
    }
};

}}

void test1(string const& filename)
{
    vector<Rectangle> vRect; 
    Polygon2Rectangle<vector<Point>, vector<Rectangle> > p2r (vRect, HOR_VER_SLICING);
    assert(p2r.read(filename));
    assert(p2r());
    p2r.print("p2r1.gp");
}

void test2(string const& filename)
{
    vector<Rectangle> vRect; 
    Polygon2Rectangle<list<Point>, vector<Rectangle> > p2r (vRect, HOR_VER_SLICING);
    assert(p2r.read(filename));
    assert(p2r());
    p2r.print("p2r2.gp");
}

void test3(string const& filename)
{
    vector<Rectangle> vRect; 
    Polygon2Rectangle<set<Point, point_compare_type>, vector<Rectangle> > p2r (vRect, HOR_VER_SLICING);
    assert(p2r.read(filename));
    assert(p2r());
    p2r.print("p2r3.gp");
}

int main(int argc, char** argv)
{
    if (argc > 1)
    {
        test1(argv[1]);
        test2(argv[1]);
        test3(argv[1]);
    }
    else cout << "at least 1 argument is required" << endl;

    return 0;
}