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LibWeb: Separate layout tree rendering into phases

CSS defines a very specific paint order. This patch starts steering us
towards respecting that by introducing the PaintPhase enum with values:

- Background
- Border
- Foreground
- Overlay (internal overlays used by inspector)

Basically, to get the right visual result, we have to render the page
multiple times, going one phase at a time.
This commit is contained in:
Andreas Kling 2020-06-18 18:57:35 +02:00
parent abe811104f
commit cfab53903f
22 changed files with 109 additions and 95 deletions

View file

@ -38,8 +38,10 @@ LayoutListItemMarker::~LayoutListItemMarker()
{
}
void LayoutListItemMarker::render(RenderingContext& context)
void LayoutListItemMarker::render(RenderingContext& context, PaintPhase phase)
{
if (phase != PaintPhase::Foreground)
return;
Gfx::IntRect bullet_rect { 0, 0, 4, 4 };
bullet_rect.center_within(enclosing_int_rect(absolute_rect()));
// FIXME: It would be nicer to not have to go via the parent here to get our inherited style.