OpenTTD Source: src/core/geometry_func.hpp Source File

OpenTTD Source 14.0-beta3

geometry_func.hpp
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1 /*
2 * This file is part of OpenTTD.
3 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
4 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
5 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
6 */
7
10 #ifndef GEOMETRY_FUNC_HPP
11 #define GEOMETRY_FUNC_HPP
12
13 #include "geometry_type.hpp"
14
15 Dimension maxdim(const Dimension &d1, const Dimension &d2);
16
22 inline bool IsEmptyRect(const Rect &r)
23 {
24 return (r.left | r.top | r.right | r.bottom) == 0;
25 }
26
27 Rect BoundingRect(const Rect &r1, const Rect &r2);
28
29 #endif /* GEOMETRY_FUNC_HPP */
Dimension
Dimensions (a width and height) of a rectangle in 2D.
Definition: geometry_type.hpp:30
IsEmptyRect
bool IsEmptyRect(const Rect &r)
Check if a rectangle is empty.
Definition: geometry_func.hpp:22
BoundingRect
Rect BoundingRect(const Rect &r1, const Rect &r2)
Compute the bounding rectangle around two rectangles.
Definition: geometry_func.cpp:36
geometry_type.hpp
maxdim
Dimension maxdim(const Dimension &d1, const Dimension &d2)
Compute bounding box of both dimensions.
Definition: geometry_func.cpp:22
Rect
Specification of a rectangle with absolute coordinates of all edges.
Definition: geometry_type.hpp:75