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- /*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
- #pragma once
- #include <LibGfx/Rect.h>
- #include <LibJS/Heap/GCPtr.h>
- #include <LibWeb/Forward.h>
- #include <LibWeb/PixelUnits.h>
- namespace Web::Layout {
- class LineBoxFragment {
- friend class LineBox;
- public:
- enum class Type {
- Normal,
- Leading,
- Trailing,
- };
- LineBoxFragment(Node const& layout_node, int start, int length, CSSPixelPoint offset, CSSPixelSize size, CSSPixels border_box_top, CSSPixels border_box_bottom, Type type)
- : m_layout_node(layout_node)
- , m_start(start)
- , m_length(length)
- , m_offset(offset)
- , m_size(size)
- , m_border_box_top(border_box_top)
- , m_border_box_bottom(border_box_bottom)
- , m_type(type)
- {
- }
- Node const& layout_node() const { return m_layout_node; }
- int start() const { return m_start; }
- int length() const { return m_length; }
- CSSPixelRect const absolute_rect() const;
- Type type() const { return m_type; }
- CSSPixelPoint offset() const
- {
- return m_offset;
- }
- void set_offset(CSSPixelPoint offset) { m_offset = offset; }
- // The baseline of a fragment is the number of pixels from the top to the text baseline.
- void set_baseline(CSSPixels y) { m_baseline = y; }
- CSSPixels baseline() const { return m_baseline; }
- CSSPixelSize size() const
- {
- return m_size;
- }
- void set_width(CSSPixels width) { m_size.set_width(width); }
- void set_height(CSSPixels height) { m_size.set_height(height); }
- CSSPixels width() const { return m_size.width(); }
- CSSPixels height() const { return m_size.height(); }
- CSSPixels border_box_height() const
- {
- return m_border_box_top + height() + m_border_box_bottom;
- }
- CSSPixels border_box_top() const { return m_border_box_top; }
- CSSPixels border_box_bottom() const { return m_border_box_bottom; }
- CSSPixels absolute_x() const { return absolute_rect().x(); }
- bool ends_in_whitespace() const;
- bool is_justifiable_whitespace() const;
- StringView text() const;
- int text_index_at(CSSPixels x) const;
- CSSPixelRect selection_rect(Gfx::Font const&) const;
- bool is_atomic_inline() const;
- private:
- JS::NonnullGCPtr<Node const> m_layout_node;
- int m_start { 0 };
- int m_length { 0 };
- CSSPixelPoint m_offset;
- CSSPixelSize m_size;
- CSSPixels m_border_box_top { 0 };
- CSSPixels m_border_box_bottom { 0 };
- CSSPixels m_baseline { 0 };
- Type m_type { Type::Normal };
- };
- }
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