11e7d72686
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Append text chunks to either the start or end of the text fragment, depending on the text direction. The direction is determined by what script its code points are from.
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
/*
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* Copyright (c) 2018-2020, 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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#pragma once
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#include <LibGfx/Rect.h>
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#include <LibGfx/TextLayout.h>
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#include <LibJS/Heap/GCPtr.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/Painting/BorderRadiiData.h>
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#include <LibWeb/PixelUnits.h>
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namespace Web::Layout {
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class LineBoxFragment {
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friend class LineBox;
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public:
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LineBoxFragment(Node const& layout_node, int start, int length, CSSPixelPoint offset, CSSPixelSize size, CSSPixels border_box_top, CSS::Direction, RefPtr<Gfx::GlyphRun>);
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Node const& layout_node() const { return m_layout_node; }
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int start() const { return m_start; }
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int length() const { return m_length; }
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CSSPixelRect const absolute_rect() const;
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CSSPixelPoint offset() const { return m_offset; }
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void set_offset(CSSPixelPoint offset) { m_offset = offset; }
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// The baseline of a fragment is the number of pixels from the top to the text baseline.
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void set_baseline(CSSPixels y) { m_baseline = y; }
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CSSPixels baseline() const { return m_baseline; }
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CSSPixelSize size() const
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{
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return m_size;
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}
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void set_width(CSSPixels width) { m_size.set_width(width); }
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void set_height(CSSPixels height) { m_size.set_height(height); }
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CSSPixels width() const { return m_size.width(); }
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CSSPixels height() const { return m_size.height(); }
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CSSPixels border_box_top() const { return m_border_box_top; }
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bool ends_in_whitespace() const;
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bool is_justifiable_whitespace() const;
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StringView text() const;
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bool is_atomic_inline() const;
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RefPtr<Gfx::GlyphRun> glyph_run() const { return m_glyph_run; }
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void append_glyph_run(RefPtr<Gfx::GlyphRun> const&, CSSPixels run_width);
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private:
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CSS::Direction resolve_glyph_run_direction(Gfx::GlyphRun::TextType) const;
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void append_glyph_run_ltr(RefPtr<Gfx::GlyphRun> const&, CSSPixels run_width);
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void append_glyph_run_rtl(RefPtr<Gfx::GlyphRun> const&, CSSPixels run_width);
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JS::NonnullGCPtr<Node const> m_layout_node;
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int m_start { 0 };
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int m_length { 0 };
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CSSPixelPoint m_offset;
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CSSPixelSize m_size;
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CSSPixels m_border_box_top { 0 };
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CSSPixels m_baseline { 0 };
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CSS::Direction m_direction { CSS::Direction::Ltr };
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RefPtr<Gfx::GlyphRun> m_glyph_run;
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float m_insert_position { 0 };
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CSS::Direction m_current_insert_direction { CSS::Direction::Ltr };
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};
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}
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