49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
/*!
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@file
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@author George Evmenov
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@date 12/2010
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*/
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/*
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This file is part of MyGUI.
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MyGUI is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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MyGUI is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MYGUI_GEOMETRY_UTILITY_H__
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#define __MYGUI_GEOMETRY_UTILITY_H__
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#include "MyGUI_Prerequest.h"
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namespace MyGUI
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{
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typedef std::vector<FloatPoint> VectorFloatPoint;
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namespace geometry_utility
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{
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VectorFloatPoint cropPolygon(FloatPoint* _baseVerticiesPos, size_t _size, const IntCoord& _cropRectangle);
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enum Side {Left, Right, Top, Bottom};
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void cropPolygonSide(VectorFloatPoint& _verticies, int _sideCoord, Side _side);
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// get point position relative to rectangle
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FloatPoint getPositionInsideRect(const FloatPoint& _point, const FloatPoint& _corner0, const FloatPoint& _corner1, const FloatPoint& _corner2);
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FloatPoint getUVFromPositionInsideRect(const FloatPoint& _point, const FloatPoint& _v0, const FloatPoint& _v1, const FloatPoint& _baseUV);
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} // namespace geometry_utility
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} // namespace MyGUI
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#endif // __MYGUI_GEOMETRY_UTILITY_H__
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