ladybird/Libraries/LibWeb/Layout/LineBox.h
Jelle Raaijmakers 9126507dc6 LibWeb: Make fragment start/length size_t instead of int
These must always be unsigned. No functional changes.
2025-06-13 15:08:26 +02:00

70 lines
2.3 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Vector.h>
#include <LibWeb/Layout/LineBoxFragment.h>
namespace Web::Layout {
class LineBox {
public:
LineBox(CSS::Direction direction, CSS::WritingMode writing_mode)
: m_direction(direction)
, m_writing_mode(writing_mode)
{
}
CSSPixels width() const;
CSSPixels height() const;
CSSPixels bottom() const;
CSSPixels inline_length() const { return m_inline_length; }
CSSPixels block_length() const { return m_block_length; }
CSSPixels baseline() const { return m_baseline; }
void add_fragment(Node const& layout_node, size_t start, size_t length, CSSPixels leading_size, CSSPixels trailing_size, CSSPixels leading_margin, CSSPixels trailing_margin, CSSPixels content_width, CSSPixels content_height, CSSPixels border_box_top, CSSPixels border_box_bottom, RefPtr<Gfx::GlyphRun> glyph_run = {});
Vector<LineBoxFragment> const& fragments() const { return m_fragments; }
Vector<LineBoxFragment>& fragments() { return m_fragments; }
CSSPixels get_trailing_whitespace_width() const;
void trim_trailing_whitespace();
bool is_empty_or_ends_in_whitespace() const;
bool is_empty() const { return m_fragments.is_empty() && !m_has_break; }
AvailableSize original_available_width() const { return m_original_available_width; }
private:
friend class BlockContainer;
friend class InlineFormattingContext;
friend class LineBuilder;
enum class RemoveTrailingWhitespace : u8 {
Yes,
No,
};
CSSPixels calculate_or_trim_trailing_whitespace(RemoveTrailingWhitespace);
Vector<LineBoxFragment> m_fragments;
CSSPixels m_inline_length { 0 };
CSSPixels m_block_length { 0 };
CSSPixels m_bottom { 0 };
CSSPixels m_baseline { 0 };
CSS::Direction m_direction { CSS::Direction::Ltr };
CSS::WritingMode m_writing_mode { CSS::WritingMode::HorizontalTb };
// The amount of available width that was originally available when creating this line box. Used for text justification.
AvailableSize m_original_available_width { AvailableSize::make_indefinite() };
bool m_has_break { false };
bool m_has_forced_break { false };
};
}