>A lot of people have difficulties to understand this topic, because
        they think of glyphs as fixed-width or fixed-height
        &lsquo;cells&rsquo;, like those of fonts used in terminals/consoles.
        This assumption is not valid with most &lsquo;modern&rsquo; font
        formats, even for bitmapped-based ones like <b>PCF</b> or
        <b>BDF</b>.</p>

        <p>Be aware that the <em>character size</em> that is set either
        through <tt>FT_Set_Char_Size()</tt> or <tt>FT_Set_Pixel_Sizes(