Method getUnderlineThickness

src/SFML/Graphics/Font.cpp:394–408

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float Font::getUnderlineThickness(unsigned int characterSize) const
{
    FT_Face face = m_fontHandles ? m_fontHandles->face : nullptr;

    if (face && setCurrentSize(characterSize))
    {
        // Return a fixed thickness if font is a bitmap font
        if (!FT_IS_SCALABLE(face))
            return static_cast<float>(characterSize) / 14.f;

        return static_cast<float>(FT_MulFix(face->underline_thickness, face->size->metrics.y_scale)) / float{1 << 6};
    }

    return 0.f;
}


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