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redis: lolwut parameter fix

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Currently, lolwut with some parameters output broken square,
such as "lolwut 10 1 1":

127.0.0.1:6379> lolwut 10 1 1
⠀⡤⠤⠤⠤⠤⠤⠤⠤⠤
⠀⡇⠀⠀⠀⠀⠀⠀⠀⠀
⠀⡇⠀⠀⠀⠀⠀⠀⠀⠀
⠀⡇⠀⠀⠀⠀⠀⠀⠀⠀

It because we passes incorrect parameters on draw_schotter().
This commit is contained in:
Takuya ASADA
2020-04-13 10:39:40 +09:00
parent b37ea9c27f
commit f24c13f2d1
1 changed files with 2 additions and 2 deletions
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4
redis/lolwut.cc
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@@ -104,8 +104,8 @@ public:
static canvas draw_schotter(const int cols, const int squares_per_row, const int squares_per_col) {
const int width = cols * 2;
const int padding = width > 4 ? 2 : 0;
const float side = static_cast<float>((width - padding * 1) / squares_per_row);
const int height = side * squares_per_col + padding * 0;
const float side = static_cast<float>((width - padding * 2) / squares_per_row);
const int height = side * squares_per_col + padding * 2;
canvas c {width, height};
std::random_device seed_gen;
std::default_random_engine engine(seed_gen());