MyGUI_GeometryUtility.h

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/*
 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
 * Distributed under the MIT License
 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
 */
 
#ifndef MYGUI_GEOMETRY_UTILITY_H_
#define MYGUI_GEOMETRY_UTILITY_H_
 
#include "MyGUI_Prerequest.h"
#include "MyGUI_Types.h"
 
namespace MyGUI
{
 
    typedef std::vector<FloatPoint> VectorFloatPoint;
 
    namespace geometry_utility
    {
        VectorFloatPoint cropPolygon(FloatPoint* _baseVerticiesPos, size_t _size, const IntCoord& _cropRectangle);
 
        enum Side {Left, Right, Top, Bottom};
        void cropPolygonSide(VectorFloatPoint& _verticies, int _sideCoord, Side _side);
 
        // get point position relative to rectangle
        FloatPoint getPositionInsideRect(const FloatPoint& _point, const FloatPoint& _corner0, const FloatPoint& _corner1, const FloatPoint& _corner2);
 
        FloatPoint getUVFromPositionInsideRect(const FloatPoint& _point, const FloatPoint& _v0, const FloatPoint& _v1, const FloatPoint& _baseUV);
 
    } // namespace geometry_utility
 
} // namespace MyGUI
 
#endif // MYGUI_GEOMETRY_UTILITY_H_