showcase7b.cpp File Reference

shows isInside() FRect vs CPolyline More...

#include "../../homog2d.hpp"

Include dependency graph for showcase7b.cpp:

Functions
int	main (int, const char **)

Detailed Description

shows isInside() FRect vs CPolyline

Function Documentation

main()

int main	(	int	,
		const char **
	)

{
    auto n = 25; // nb images
    Circle cir( 100,100,15 );
    FRect rect(70,60,150,130);

    img::Image<img::SvgImage> im( 320, 250 );

    auto col_outside = img::DrawParams().setColor(50,20,200);
    auto col_inside  = img::DrawParams().setColor(200,20,20).setThickness(2);


    for( int i=0; i<n; i++ )
    {
        im.clear();

        auto col_c = col_outside;
        if( cir.isInside( rect ) )
            col_c = col_inside;

        auto col_p = col_outside;
        if( rect.isInside( cir ) )
            col_p = col_inside;

        rect.draw( im, col_p );
        cir.draw(  im, col_c );

        auto inter =  cir.intersects(rect);
        if( inter() )
            for( const auto& pt: inter.get() )
                pt.draw( im );

        if( i < n/2 )
            cir.set( cir.radius() * 1.2 );
        else
            cir.set( cir.radius() * 1./1.2 );

        std::ostringstream oss;
        oss << "showcase7b_" << std::setfill('0') << std::setw(2) <<i << ".svg";
        im.write( oss.str() );
    }
}

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