MyGUI  3.0.1
MyGUI_MaskPickInfo.h
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1 
7 /*
8  This file is part of MyGUI.
9 
10  MyGUI is free software: you can redistribute it and/or modify
11  it under the terms of the GNU Lesser General Public License as published by
12  the Free Software Foundation, either version 3 of the License, or
13  (at your option) any later version.
14 
15  MyGUI is distributed in the hope that it will be useful,
16  but WITHOUT ANY WARRANTY; without even the implied warranty of
17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  GNU Lesser General Public License for more details.
19 
20  You should have received a copy of the GNU Lesser General Public License
21  along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
22 */
23 #ifndef __MYGUI_MASK_PICK_INFO_H__
24 #define __MYGUI_MASK_PICK_INFO_H__
25 
26 #include "MyGUI_Prerequest.h"
27 #include "MyGUI_Types.h"
28 
29 namespace MyGUI
30 {
31 
33  {
34  public:
35  MaskPickInfo() : width(0), height(0) { }
36 
37  bool load(const std::string& _file);
38 
39  bool pick(const IntPoint& _point, const IntCoord& _coord) const
40  {
41  if ((0 == _coord.width) || (0 == _coord.height)) return false;
42 
43  int x = ((_point.left * width)-1) / _coord.width;
44  int y = ((_point.top * height)-1) / _coord.height;
45 
46  return 0 != data[(size_t)(y * width + x)];
47  }
48 
49  bool empty() const
50  {
51  return data.empty();
52  }
53 
54  private:
55  std::vector<uint8> data;
56  int width, height;
57  };
58 
59 } // namespace MyGUI
60 
61 #endif // __MYGUI_MASK_PICK_INFO_H__