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LibWeb: Make sure painted CSS borders are snapped to integer pixels

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This is a bit of a hack to get box content to stop bleeding 1px outside
the border sometimes. We will need to come up with a more general
solution for this problem eventually.
This commit is contained in:
Andreas Kling 2022-01-24 02:36:33 +01:00
parent 9201f626c1
commit 1b15144e78
Notes: sideshowbarker 2024-07-17 20:20:43 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/1b15144e78a
1 changed files with 5 additions and 1 deletions
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6
Userland/Libraries/LibWeb/Painting/BorderPainting.cpp
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@ -37,8 +37,12 @@ BorderRadiusData normalized_border_radius_data(Layout::Node const& node, Gfx::Fl
return BorderRadiusData { top_left_radius_px, top_right_radius_px, bottom_right_radius_px, bottom_left_radius_px };
}
void paint_border(PaintContext& context, BorderEdge edge, Gfx::FloatRect const& rect, BorderRadiusData const& border_radius_data, BordersData const& borders_data)
void paint_border(PaintContext& context, BorderEdge edge, Gfx::FloatRect const& a_rect, BorderRadiusData const& border_radius_data, BordersData const& borders_data)
{
// FIXME: This is a hack that snaps the incoming rect to integer pixel values before painting each side.
// This needs a more general solution.
auto rect = enclosing_int_rect(a_rect).to_type<float>();
const auto& border_data = [&] {
switch (edge) {
case BorderEdge::Top: