b96920a9d6
According to CSS Inline Layout Module Level 3 § 2.2 Step 1. atomic inlines should be layed out in a line box based on their margin box. However, up until this patch we were unconditionally considering only the border box during line box height calculation. This made us essentially drop all vertical margins for atomic inlines.
93 lines
2.5 KiB
C++
93 lines
2.5 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 <LibWeb/Forward.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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enum class Type {
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Normal,
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Leading,
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Trailing,
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};
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LineBoxFragment(Node const& layout_node, int start, int length, CSSPixelPoint offset, CSSPixelSize size, CSSPixels border_box_top, CSSPixels border_box_bottom, Type type)
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: m_layout_node(layout_node)
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, m_start(start)
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, m_length(length)
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, m_offset(offset)
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, m_size(size)
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, m_border_box_top(border_box_top)
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, m_border_box_bottom(border_box_bottom)
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, m_type(type)
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{
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}
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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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Type type() const { return m_type; }
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CSSPixelPoint offset() const
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{
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return m_offset;
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}
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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_height() const
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{
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return m_border_box_top + height() + m_border_box_bottom;
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}
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CSSPixels border_box_top() const { return m_border_box_top; }
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CSSPixels border_box_bottom() const { return m_border_box_bottom; }
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CSSPixels absolute_x() const { return absolute_rect().x(); }
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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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int text_index_at(CSSPixels x) const;
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CSSPixelRect selection_rect(Gfx::Font const&) const;
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bool is_atomic_inline() const;
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private:
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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_border_box_bottom { 0 };
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CSSPixels m_baseline { 0 };
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Type m_type { Type::Normal };
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};
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}
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