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| author | Alexander Sulfrian <alexander@sulfrian.net> | 2012-03-21 21:36:59 +0100 |
|---|---|---|
| committer | Alexander Sulfrian <alexander@sulfrian.net> | 2013-01-05 17:17:51 +0100 |
| commit | b489968dcc1416a530b9f5289b47962e39ec4158 (patch) | |
| tree | eb299b599bd0f7ae98661d61eb33d971250d7b67 /src | |
| parent | e762b9d1a0080bfbba36d1b53ada858d05e13db1 (diff) | |
| download | usdx-b489968dcc1416a530b9f5289b47962e39ec4158.tar.gz usdx-b489968dcc1416a530b9f5289b47962e39ec4158.tar.xz usdx-b489968dcc1416a530b9f5289b47962e39ec4158.zip | |
utils/rectangle: added function to intersect two rectangles
Diffstat (limited to 'src')
| -rw-r--r-- | src/utils/rectangle.hpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/utils/rectangle.hpp b/src/utils/rectangle.hpp index fc5d8ac3..e2fddc78 100644 --- a/src/utils/rectangle.hpp +++ b/src/utils/rectangle.hpp @@ -104,6 +104,29 @@ namespace usdx { return point2.get_y() - point1.get_y(); } + + const Rectangle<T> intersect(const Rectangle<T>& inner) const + { + Rectangle<T> result(*this); + + if (inner.point1.get_x() > result.point1.get_x()) { + result.point1.set_x(inner.point1.get_x()); + } + + if (inner.point1.get_y() > result.point1.get_y()) { + result.point1.set_y(inner.point1.get_y()); + } + + if (inner.point2.get_x() < result.point2.get_x()) { + result.point2.set_x(inner.point2.get_x()); + } + + if (inner.point2.get_y() < result.point2.get_y()) { + result.point2.set_y(inner.point2.get_y()); + } + + return result; + } }; }; |