1682f0b760
SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
63 lines
2.2 KiB
C++
63 lines
2.2 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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#include <AK/Utf8View.h>
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#include <LibWeb/Layout/Box.h>
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#include <LibWeb/Layout/LineBox.h>
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#include <LibWeb/Layout/Node.h>
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#include <LibWeb/Layout/TextNode.h>
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#include <ctype.h>
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namespace Web::Layout {
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void LineBox::add_fragment(Node& layout_node, int start, int length, float width, float height, LineBoxFragment::Type fragment_type)
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{
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bool text_align_is_justify = layout_node.computed_values().text_align() == CSS::TextAlign::Justify;
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if (!text_align_is_justify && !m_fragments.is_empty() && &m_fragments.last().layout_node() == &layout_node) {
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// The fragment we're adding is from the last Layout::Node on the line.
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// Expand the last fragment instead of adding a new one with the same Layout::Node.
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m_fragments.last().m_length = (start - m_fragments.last().m_start) + length;
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m_fragments.last().set_width(m_fragments.last().width() + width);
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} else {
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m_fragments.append(make<LineBoxFragment>(layout_node, start, length, Gfx::FloatPoint(m_width, 0.0f), Gfx::FloatSize(width, height), fragment_type));
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}
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m_width += width;
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if (is<Box>(layout_node))
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downcast<Box>(layout_node).set_containing_line_box_fragment(m_fragments.last());
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}
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void LineBox::trim_trailing_whitespace()
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{
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while (!m_fragments.is_empty() && m_fragments.last().is_justifiable_whitespace()) {
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auto fragment = m_fragments.take_last();
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m_width -= fragment->width();
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}
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if (m_fragments.is_empty())
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return;
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auto last_text = m_fragments.last().text();
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if (last_text.is_null())
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return;
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auto& last_fragment = m_fragments.last();
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int space_width = last_fragment.layout_node().font().glyph_width(' ');
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while (last_fragment.length() && isspace(last_text[last_fragment.length() - 1])) {
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last_fragment.m_length -= 1;
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last_fragment.set_width(last_fragment.width() - space_width);
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m_width -= space_width;
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}
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}
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bool LineBox::is_empty_or_ends_in_whitespace() const
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{
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if (m_fragments.is_empty())
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return true;
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return m_fragments.last().ends_in_whitespace();
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}
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}
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