MyGUI
3.2.0
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00001 00006 /* 00007 This file is part of MyGUI. 00008 00009 MyGUI is free software: you can redistribute it and/or modify 00010 it under the terms of the GNU Lesser General Public License as published by 00011 the Free Software Foundation, either version 3 of the License, or 00012 (at your option) any later version. 00013 00014 MyGUI is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 GNU Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public License 00020 along with MyGUI. If not, see <http://www.gnu.org/licenses/>. 00021 */ 00022 #ifndef __MYGUI_GEOMETRY_UTILITY_H__ 00023 #define __MYGUI_GEOMETRY_UTILITY_H__ 00024 00025 #include "MyGUI_Prerequest.h" 00026 00027 namespace MyGUI 00028 { 00029 00030 typedef std::vector<FloatPoint> VectorFloatPoint; 00031 00032 namespace geometry_utility 00033 { 00034 VectorFloatPoint cropPolygon(FloatPoint* _baseVerticiesPos, size_t _size, const IntCoord& _cropRectangle); 00035 00036 enum Side {Left, Right, Top, Bottom}; 00037 void cropPolygonSide(VectorFloatPoint& _verticies, int _sideCoord, Side _side); 00038 00039 // get point position relative to rectangle 00040 FloatPoint getPositionInsideRect(const FloatPoint& _point, const FloatPoint& _corner0, const FloatPoint& _corner1, const FloatPoint& _corner2); 00041 00042 FloatPoint getUVFromPositionInsideRect(const FloatPoint& _point, const FloatPoint& _v0, const FloatPoint& _v1, const FloatPoint& _baseUV); 00043 00044 } // namespace geometry_utility 00045 00046 } // namespace MyGUI 00047 00048 #endif // __MYGUI_GEOMETRY_UTILITY_H__