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LibWeb: Make StackingContext point to paint tree instead of layout tree

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Eventually we should not need the layout tree for anything when painting
and this code will only look at the paint tree. For now, this is just
another step in that direction.
This commit is contained in:
Andreas Kling 2023-08-19 15:20:45 +02:00
parent 1e0ea45fe5
commit d296992fb3
6 changed files with 86 additions and 100 deletions
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9
Userland/Libraries/LibWeb/Painting/StackingContext.h
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@ -8,19 +8,18 @@
#include <AK/Vector.h>
#include <LibGfx/Matrix4x4.h>
#include <LibWeb/Layout/Node.h>
#include <LibWeb/Painting/Paintable.h>
namespace Web::Painting {
class StackingContext {
public:
StackingContext(Layout::Box&, StackingContext* parent, size_t index_in_tree_order);
StackingContext(PaintableBox&, StackingContext* parent, size_t index_in_tree_order);
StackingContext* parent() { return m_parent; }
StackingContext const* parent() const { return m_parent; }
PaintableBox const& paintable_box() const { return *m_box->paintable_box(); }
PaintableBox const& paintable_box() const { return *m_paintable_box; }
enum class StackingContextPaintPhase {
BackgroundAndBorders,
@ -30,7 +29,7 @@ public:
FocusAndOverlay,
};
void paint_descendants(PaintContext&, Layout::Node const&, StackingContextPaintPhase) const;
void paint_descendants(PaintContext&, Paintable const&, StackingContextPaintPhase) const;
void paint(PaintContext&) const;
Optional<HitTestResult> hit_test(CSSPixelPoint, HitTestType) const;
@ -42,7 +41,7 @@ public:
void sort();
private:
JS::NonnullGCPtr<Layout::Box> m_box;
JS::NonnullGCPtr<PaintableBox> m_paintable_box;
Gfx::FloatMatrix4x4 m_transform;
Gfx::FloatPoint m_transform_origin;
StackingContext* const m_parent { nullptr };