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LibWeb: Take in account scroll offset in painting

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This commit is contained in:
Aliaksandr Kalenik 2023-08-06 14:45:04 +02:00 • committed by Andreas Kling
parent 3eb9ae4ed5
commit fa56ce11a9
1 changed files with 10 additions and 2 deletions
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12
Userland/Libraries/LibWeb/Painting/StackingContext.cpp
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@ -26,8 +26,16 @@ namespace Web::Painting {
static void paint_node(Layout::Node const& layout_node, PaintContext& context, PaintPhase phase) static void paint_node(Layout::Node const& layout_node, PaintContext& context, PaintPhase phase)
{ {
if (auto const* paintable = layout_node.paintable()) if (auto const* paintable = layout_node.paintable()) {
paintable->paint(context, phase); if (paintable->containing_block() && paintable->containing_block()->is_scrollable()) {
Gfx::PainterStateSaver saver(context.painter());
auto scroll_offset = -paintable->containing_block()->scroll_offset();
context.painter().translate({ context.enclosing_device_pixels(scroll_offset.x()), context.enclosing_device_pixels(scroll_offset.y()) });
paintable->paint(context, phase);
} else {
paintable->paint(context, phase);
}
}
} }
StackingContext::StackingContext(Layout::Box& box, StackingContext* parent, size_t index_in_tree_order) StackingContext::StackingContext(Layout::Box& box, StackingContext* parent, size_t index_in_tree_order)