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f6497b64ac
Calling this "Box" made it very confusing to look at code that used both Layout::Box and Painting::Box. Let's try calling it Paintable instead.
85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
/*
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* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Layout/BlockContainer.h>
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#include <LibWeb/Painting/Paintable.h>
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namespace Web::Painting {
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Paintable::Paintable(Layout::Box const& layout_box)
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: m_layout_box(layout_box)
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{
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}
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Paintable::~Paintable()
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{
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}
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PaintableWithLines::PaintableWithLines(Layout::BlockContainer const& layout_box)
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: Paintable(layout_box)
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{
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}
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PaintableWithLines::~PaintableWithLines()
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{
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}
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void Paintable::set_offset(const Gfx::FloatPoint& offset)
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{
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if (m_offset == offset)
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return;
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m_offset = offset;
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// FIXME: This const_cast is gross.
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const_cast<Layout::Box&>(m_layout_box).did_set_rect();
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}
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void Paintable::set_content_size(Gfx::FloatSize const& size)
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{
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if (m_content_size == size)
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return;
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m_content_size = size;
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// FIXME: This const_cast is gross.
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const_cast<Layout::Box&>(m_layout_box).did_set_rect();
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}
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Gfx::FloatPoint Paintable::effective_offset() const
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{
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if (m_containing_line_box_fragment.has_value()) {
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auto const& fragment = m_layout_box.containing_block()->paint_box()->line_boxes()[m_containing_line_box_fragment->line_box_index].fragments()[m_containing_line_box_fragment->fragment_index];
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return fragment.offset();
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}
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return m_offset;
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}
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Gfx::FloatRect Paintable::absolute_rect() const
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{
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Gfx::FloatRect rect { effective_offset(), content_size() };
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for (auto* block = m_layout_box.containing_block(); block; block = block->containing_block())
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rect.translate_by(block->m_paint_box->effective_offset());
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return rect;
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}
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void Paintable::set_containing_line_box_fragment(Optional<Layout::LineBoxFragmentCoordinate> fragment_coordinate)
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{
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m_containing_line_box_fragment = fragment_coordinate;
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}
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Painting::StackingContext* Paintable::enclosing_stacking_context()
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{
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for (auto* ancestor = m_layout_box.parent(); ancestor; ancestor = ancestor->parent()) {
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if (!is<Layout::Box>(ancestor))
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continue;
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auto& ancestor_box = static_cast<Layout::Box&>(const_cast<Layout::NodeWithStyle&>(*ancestor));
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if (!ancestor_box.establishes_stacking_context())
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continue;
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VERIFY(ancestor_box.m_paint_box->stacking_context());
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return ancestor_box.m_paint_box->stacking_context();
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}
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// We should always reach the Layout::InitialContainingBlock stacking context.
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VERIFY_NOT_REACHED();
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}
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}
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