MyGUI 3.0.1
MyGUI_MaskPickInfo.h
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00001 
00007 /*
00008     This file is part of MyGUI.
00009 
00010     MyGUI is free software: you can redistribute it and/or modify
00011     it under the terms of the GNU Lesser General Public License as published by
00012     the Free Software Foundation, either version 3 of the License, or
00013     (at your option) any later version.
00014 
00015     MyGUI is distributed in the hope that it will be useful,
00016     but WITHOUT ANY WARRANTY; without even the implied warranty of
00017     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018     GNU Lesser General Public License for more details.
00019 
00020     You should have received a copy of the GNU Lesser General Public License
00021     along with MyGUI.  If not, see <http://www.gnu.org/licenses/>.
00022 */
00023 #ifndef __MYGUI_MASK_PICK_INFO_H__
00024 #define __MYGUI_MASK_PICK_INFO_H__
00025 
00026 #include "MyGUI_Prerequest.h"
00027 #include "MyGUI_Types.h"
00028 
00029 namespace MyGUI
00030 {
00031 
00032     class MYGUI_EXPORT MaskPickInfo
00033     {
00034     public:
00035         MaskPickInfo() : width(0), height(0) { }
00036 
00037         bool load(const std::string& _file);
00038 
00039         bool pick(const IntPoint& _point, const IntCoord& _coord) const
00040         {
00041             if ((0 == _coord.width) || (0 == _coord.height)) return false;
00042 
00043             int x = ((_point.left * width)-1) / _coord.width;
00044             int y = ((_point.top * height)-1) / _coord.height;
00045 
00046             return 0 != data[(size_t)(y * width + x)];
00047         }
00048 
00049         bool empty() const
00050         {
00051             return data.empty();
00052         }
00053 
00054     private:
00055         std::vector<uint8> data;
00056         int width, height;
00057     };
00058 
00059 } // namespace MyGUI
00060 
00061 #endif // __MYGUI_MASK_PICK_INFO_H__