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LibWeb: Prevent overrunning loop bounds in cubic bezier calculation

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Matthew Olsson 2024-06-07 15:40:29 -07:00 • committed by Andreas Kling
commit 7f902fa2dc
Notes: sideshowbarker 2024-07-17 05:01:20 +09:00
1 changed files with 3 additions and 3 deletions
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6
Userland/Libraries/LibWeb/Animations/TimingFunction.cpp
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@ -95,9 +95,9 @@ double CubicBezierTimingFunction::operator()(double input_progress, bool) const
if (nearby_index == m_cached_x_samples.size() || nearby_index + 1 == m_cached_x_samples.size()) { if (nearby_index == m_cached_x_samples.size() || nearby_index + 1 == m_cached_x_samples.size()) {
// Produce more samples until we have enough. // Produce more samples until we have enough.
auto last_t = m_cached_x_samples.is_empty() ? 0 : m_cached_x_samples.last().t; auto last_t = m_cached_x_samples.last().t;
auto last_x = m_cached_x_samples.is_empty() ? 0 : m_cached_x_samples.last().x; auto last_x = m_cached_x_samples.last().x;
while (last_x <= x) { while (last_x <= x && last_t < 1.0) {
last_t += 1. / 60.; last_t += 1. / 60.;
auto solution = solve(last_t); auto solution = solve(last_t);
m_cached_x_samples.append(solution); m_cached_x_samples.append(solution);