AOO410/main/basegfx/inc/basegfx/tools/debugplotter.hxx

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#ifndef _BGFX_TOOLS_DEBUGPLOTTER_HXX
#define _BGFX_TOOLS_DEBUGPLOTTER_HXX

#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/vector/b2dvector.hxx>
#include <basegfx/range/b2drange.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <rtl/string.hxx>
#include <boost/utility.hpp> // for noncopyable 
#include <vector>
#include <utility>
#include <iostream>


namespace basegfx
{
    class B2DCubicBezier;

    /** Generates debug output for various basegfx data types.

    	Use this class to produce debug (trace) output for various
    	basegfx geometry data types. By default, this class outputs
    	via OSL_TRACE (i.e. to stderr), and uses the gnuplot output
    	format.

        To be able to generate one coherent block of output, this
        class delays actual writing to its destructor
     */
    class DebugPlotter : private ::boost::noncopyable
    {
    public:
        /** Create new debug output object

        	@param pTitle 
            Title of the debug output, will appear in trace output
         */
        explicit DebugPlotter( const sal_Char* pTitle );

        /** Create new debug output object

        	@param pTitle 
            Title of the debug output, will appear in trace output

            @param rOutputStream
            Stream to write output to. Must stay valid over the
            lifetime of this object!
         */        
        DebugPlotter( const sal_Char* pTitle,
                      ::std::ostream& rOutputStream );

        ~DebugPlotter();

        void plot( const B2DPoint&  		rPoint,
                   const sal_Char* 			pTitle );
        void plot( const B2DVector& 		rVec,
                   const sal_Char* 			pTitle );
        void plot( const B2DCubicBezier&	rBezier,
                   const sal_Char* 			pTitle );
        void plot( const B2DRange&  		rRange,
                   const sal_Char* 			pTitle );
        void plot( const B2DPolygon& 		rPoly,
                   const sal_Char* 			pTitle );
        void plot( const B2DPolyPolygon&	rPoly,
                   const sal_Char* 			pTitle );

    private:
        void print( const sal_Char* );

        ::rtl::OString												maTitle;
        ::std::vector< ::std::pair< B2DPoint, ::rtl::OString > >	maPoints;
        ::std::vector< ::std::pair< B2DVector, ::rtl::OString > >	maVectors;
        ::std::vector< ::std::pair< B2DRange, ::rtl::OString > >	maRanges;
        ::std::vector< ::std::pair< B2DPolygon, ::rtl::OString > >	maPolygons;

        ::std::ostream*												mpOutputStream;
    };
}

#endif /* _BGFX_TOOLS_DEBUGPLOTTER_HXX */