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LibWeb: Account for transforms in isPointInPath()

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Tim Ledbetter 2025-10-21 14:52:16 +01:00 • committed by Jelle Raaijmakers
parent d17f666a8c
commit 494fcc40ac
Notes: github-actions[bot] 2025-10-21 15:43:51 +00:00
9 changed files with 165 additions and 4 deletions
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11
Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp
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@ -774,19 +774,22 @@ void CanvasRenderingContext2D::clip(Path2D& path, StringView fill_rule)
clip_internal(path.path(), parse_fill_rule(fill_rule));
}
static bool is_point_in_path_internal(Gfx::Path path, double x, double y, StringView fill_rule)
static bool is_point_in_path_internal(Gfx::Path path, Gfx::AffineTransform const& transform, double x, double y, StringView fill_rule)
{
return path.contains(Gfx::FloatPoint(x, y), parse_fill_rule(fill_rule));
auto point = Gfx::FloatPoint(x, y);
if (auto inverse_transform = transform.inverse(); inverse_transform.has_value())
point = inverse_transform->map(point);
return path.contains(point, parse_fill_rule(fill_rule));
}
bool CanvasRenderingContext2D::is_point_in_path(double x, double y, StringView fill_rule)
{
return is_point_in_path_internal(path(), x, y, fill_rule);
return is_point_in_path_internal(path(), drawing_state().transform, x, y, fill_rule);
}
bool CanvasRenderingContext2D::is_point_in_path(Path2D const& path, double x, double y, StringView fill_rule)
{
return is_point_in_path_internal(path.path(), x, y, fill_rule);
return is_point_in_path_internal(path.path(), drawing_state().transform, x, y, fill_rule);
}
// https://html.spec.whatwg.org/multipage/canvas.html#check-the-usability-of-the-image-argument