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LibWeb: Fix "background-clip: text" for elements nested in scrollable

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Instead of carrying the display list for a mask in each command that
might potentially be affected by "background-clip: text", this change
introduces a new AddMask command that is applied once for all
background layers within one box.

The new AddMask command includes a rectangle for the mask destination
that is translated by the corresponding scroll offset.

Fixes https://github.com/LadybirdBrowser/ladybird/issues/857
This commit is contained in:
Aliaksandr Kalenik 2024-08-06 15:26:47 +03:00 • committed by Alexander Kalenik
parent 861d46be3e
commit a8f4ea5226
Notes: github-actions[bot] 2024-08-06 19:15:33 +00:00
19 changed files with 135 additions and 97 deletions
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4
Userland/Libraries/LibWeb/CSS/StyleValues/RadialGradientStyleValue.cpp
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@ -207,12 +207,12 @@ bool RadialGradientStyleValue::equals(StyleValue const& other) const
return m_properties == other_gradient.m_properties;
}
void RadialGradientStyleValue::paint(PaintContext& context, DevicePixelRect const& dest_rect, CSS::ImageRendering, RefPtr<Painting::DisplayList> text_clip) const
void RadialGradientStyleValue::paint(PaintContext& context, DevicePixelRect const& dest_rect, CSS::ImageRendering) const
{
VERIFY(m_resolved.has_value());
auto center = context.rounded_device_point(m_resolved->center).to_type<int>();
auto size = context.rounded_device_size(m_resolved->gradient_size).to_type<int>();
context.display_list_recorder().fill_rect_with_radial_gradient(dest_rect.to_type<int>(), m_resolved->data, center, size, text_clip);
context.display_list_recorder().fill_rect_with_radial_gradient(dest_rect.to_type<int>(), m_resolved->data, center, size);
}
}