b2dpolygontriangulator.hxx

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#pragma once
 
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/basegfxdllapi.h>
 
#include <vector>
 
namespace basegfx { class B2DPolyPolygon; }
 
namespace basegfx::triangulator
{
        // Simple B2D-based triangle. Main reason is to
        // keep the data types separated (before a B2DPolygon
        // was used with the convention that three points in
        // a row define a triangle)
        class BASEGFX_DLLPUBLIC B2DTriangle
        {
            // positions
            basegfx::B2DPoint                       maA;
            basegfx::B2DPoint                       maB;
            basegfx::B2DPoint                       maC;
 
        public:
            B2DTriangle(
                const basegfx::B2DPoint& rA,
                const basegfx::B2DPoint& rB,
                const basegfx::B2DPoint& rC)
            :   maA(rA),
                maB(rB),
                maC(rC)
            {
            }
 
            // get positions
            const basegfx::B2DPoint& getA() const { return maA; }
            const basegfx::B2DPoint& getB() const { return maB; }
            const basegfx::B2DPoint& getC() const { return maC; }
        };
 
        // typedef for a vector of B2DTriangle
        typedef ::std::vector< B2DTriangle > B2DTriangleVector;
 
        // triangulate given polygon
        BASEGFX_DLLPUBLIC B2DTriangleVector triangulate(const ::basegfx::B2DPolygon& rCandidate);
 
        // triangulate given PolyPolygon
        BASEGFX_DLLPUBLIC B2DTriangleVector triangulate(const ::basegfx::B2DPolyPolygon& rCandidate);
 
} // end of namespace basegfx::triangulator
 
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