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LibGfx: Increase bezier splitting tolerance to 0.5

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No noticeable difference a bit faster. This is still arbitrary and
should be somehow derived from the curve.
This commit is contained in:
MacDue 2024-01-08 00:14:45 +00:00 • committed by Andreas Kling
parent 65b87bace9
commit 13a4fb0325
11 changed files with 8 additions and 5 deletions
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7
Userland/Libraries/LibGfx/Path.cpp
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@ -514,9 +514,10 @@ Path Path::stroke_to_fill(float thickness) const
}
// Note: This is the same as the tolerance from bezier curve splitting.
constexpr auto flatness = 0.015f;
auto pen_vertex_count = max(
static_cast<int>(ceilf(AK::Pi<float> / acosf(1 - (2 * flatness) / thickness))), 4);
constexpr auto flatness = 0.5f;
auto pen_vertex_count = (thickness >= 2 * flatness) ? max(
static_cast<int>(ceilf(AK::Pi<float> / acosf(1 - (2 * flatness) / thickness))), 4)
: 4;
if (pen_vertex_count % 2 == 1)
pen_vertex_count += 1;