/*

 * Copyright (c) 2023, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>

 *

 * SPDX-License-Identifier: BSD-2-Clause

 */

#include <LibGfx/FontCascadeList.h>

namespace Gfx {

void FontCascadeList::add(NonnullRefPtr<Font> font)

{

    m_fonts.append({ move(font), {} });

}

void FontCascadeList::add(NonnullRefPtr<Font> font, Vector<UnicodeRange> unicode_ranges)

{

    m_fonts.append({ move(font), move(unicode_ranges) });

}

void FontCascadeList::extend(FontCascadeList const& other)

{

    for (auto const& font : other.m_fonts) {

        m_fonts.append({ font.font, font.unicode_ranges });

    }

}

Gfx::Font const& FontCascadeList::font_for_code_point(u32 code_point) const

{

    for (auto const& entry : m_fonts) {

        if (!entry.unicode_ranges.has_value())

            return entry.font;

        if (!entry.font->contains_glyph(code_point))

            continue;

        for (auto const& range : *entry.unicode_ranges) {

            if (range.contains(code_point))

                return entry.font;

        }

    }

    VERIFY_NOT_REACHED();

}

bool FontCascadeList::equals(FontCascadeList const& other) const

{

    if (m_fonts.size() != other.m_fonts.size())

        return false;

    for (size_t i = 0; i < m_fonts.size(); ++i) {

        if (m_fonts[i].font != other.m_fonts[i].font)

            return false;

    }

    return true;

}

}