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