88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
/*
|
|
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/HashMap.h>
|
|
#include <LibGfx/Point.h>
|
|
#include <LibWeb/Layout/Box.h>
|
|
#include <LibWeb/Layout/LineBox.h>
|
|
|
|
namespace Web::Layout {
|
|
|
|
struct FormattingState {
|
|
struct NodeState {
|
|
float content_width { 0 };
|
|
float content_height { 0 };
|
|
Gfx::FloatPoint offset;
|
|
|
|
float margin_left { 0 };
|
|
float margin_right { 0 };
|
|
float margin_top { 0 };
|
|
float margin_bottom { 0 };
|
|
|
|
float border_left { 0 };
|
|
float border_right { 0 };
|
|
float border_top { 0 };
|
|
float border_bottom { 0 };
|
|
|
|
float padding_left { 0 };
|
|
float padding_right { 0 };
|
|
float padding_top { 0 };
|
|
float padding_bottom { 0 };
|
|
|
|
float offset_left { 0 };
|
|
float offset_right { 0 };
|
|
float offset_top { 0 };
|
|
float offset_bottom { 0 };
|
|
|
|
Vector<LineBox> line_boxes;
|
|
|
|
float margin_box_left() const { return margin_left + border_left + padding_left; }
|
|
float margin_box_right() const { return margin_right + border_right + padding_right; }
|
|
float margin_box_top() const { return margin_top + border_top + padding_top; }
|
|
float margin_box_bottom() const { return margin_bottom + border_bottom + padding_bottom; }
|
|
|
|
float border_box_left() const { return border_left + padding_left; }
|
|
float border_box_right() const { return border_right + padding_right; }
|
|
float border_box_top() const { return border_top + padding_top; }
|
|
float border_box_bottom() const { return border_bottom + padding_bottom; }
|
|
|
|
float border_box_width() const { return border_box_left() + content_width + border_box_right(); }
|
|
float border_box_height() const { return border_box_top() + content_height + border_box_bottom(); }
|
|
|
|
OwnPtr<Layout::Box::OverflowData> overflow_data;
|
|
|
|
Layout::Box::OverflowData& ensure_overflow_data()
|
|
{
|
|
if (!overflow_data)
|
|
overflow_data = make<Layout::Box::OverflowData>();
|
|
return *overflow_data;
|
|
}
|
|
};
|
|
|
|
void commit();
|
|
|
|
NodeState& ensure(NodeWithStyleAndBoxModelMetrics const& box)
|
|
{
|
|
return *nodes.ensure(&box, [] { return make<NodeState>(); });
|
|
}
|
|
|
|
NodeState const& get(NodeWithStyleAndBoxModelMetrics const& box) const
|
|
{
|
|
if (!nodes.contains(&box))
|
|
return const_cast<FormattingState&>(*this).ensure(box);
|
|
return *nodes.get(&box).value();
|
|
}
|
|
|
|
HashMap<NodeWithStyleAndBoxModelMetrics const*, NonnullOwnPtr<NodeState>> nodes;
|
|
};
|
|
|
|
Gfx::FloatRect absolute_content_rect(Box const&, FormattingState const&);
|
|
Gfx::FloatRect margin_box_rect(Box const&, FormattingState const&);
|
|
Gfx::FloatRect margin_box_rect_in_ancestor_coordinate_space(Box const& box, Box const& ancestor_box, FormattingState const&);
|
|
|
|
}
|