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LibWeb: Add PaintableBox::absolute_paint_rect()

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This method returns the total area this element will paint to.
Currently, this just means accounting for box-shadows, though
there are likely more effects that need to be accounted for here.
This commit is contained in:
MacDue 2022-09-25 15:13:31 +01:00 • committed by Andreas Kling
parent 0843960235
commit 8967fe9d92
2 changed files with 40 additions and 3 deletions
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7
Userland/Libraries/LibWeb/Painting/PaintableBox.h
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@ -9,6 +9,7 @@
#include <LibWeb/Painting/BorderPainting.h>
#include <LibWeb/Painting/BorderRadiusCornerClipper.h>
#include <LibWeb/Painting/Paintable.h>
#include <LibWeb/Painting/ShadowPainting.h>
namespace Web::Painting {
@ -68,6 +69,8 @@ public:
return rect;
}
Gfx::FloatRect absolute_paint_rect() const;
float border_box_width() const
{
auto border_box = box_model().border_box();
@ -123,6 +126,7 @@ protected:
virtual void paint_box_shadow(PaintContext&) const;
virtual Gfx::FloatRect compute_absolute_rect() const;
virtual Gfx::FloatRect compute_absolute_paint_rect() const;
enum class ShrinkRadiiForBorders {
Yes,
@ -131,6 +135,8 @@ protected:
Painting::BorderRadiiData normalized_border_radii_data(ShrinkRadiiForBorders shrink = ShrinkRadiiForBorders::No) const;
Vector<ShadowData> resolve_box_shadow_data() const;
private:
Optional<OverflowData> m_overflow_data;
@ -143,6 +149,7 @@ private:
OwnPtr<Painting::StackingContext> m_stacking_context;
Optional<Gfx::FloatRect> mutable m_absolute_rect;
Optional<Gfx::FloatRect> mutable m_absolute_paint_rect;
mutable bool m_clipping_overflow { false };
Optional<BorderRadiusCornerClipper> mutable m_overflow_corner_radius_clipper;