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Fix: box drawing comparison.

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There was a bug. Converting the bitfield to int using the union wasn't
working correctly.
This commit is contained in:
ArthurSonzogni 2021-09-26 17:42:03 +02:00 committed by Arthur Sonzogni
parent 84287eb217
commit 66cdf9b2a5
1 changed files with 13 additions and 8 deletions
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21
src/ftxui/screen/screen.cpp
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@ -98,16 +98,21 @@ struct TileEncoding {
unsigned int down : 2; unsigned int down : 2;
unsigned int round : 1; unsigned int round : 1;
// clang-format off
bool operator<(const TileEncoding& other) const { bool operator<(const TileEncoding& other) const {
union Converter { if (left < other.left) return true;
TileEncoding input; if (left > other.left) return false;
uint16_t output = 0; if (top < other.top) return true;
}; if (top > other.top) return false;
Converter a, b; if (right < other.right) return true;
a.input = *this; if (right > other.right) return false;
b.input = other; if (down < other.down) return true;
return a.output < b.output; if (down > other.down) return false;
if (round < other.round) return true;
if (round > other.round) return false;
return false;
} }
// clang-format on
}; };
// clang-format off // clang-format off