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    <div class="moz-cite-prefix">Am 06.10.2019 um 12:14 schrieb AlexeyT
      via lazarus:<br>
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    <blockquote type="cite"
      cite="mid:a0c37d13-6aff-578b-04ba-a604f8bc7e63@ya.ru">
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      <p>IMO I have found place where width of canvas line is not scaled
        to current DPI.</p>
      <p><span class="blob-code-inner blob-code-marker"
          data-code-marker="+"><span class="pl-k">procedure</span> <span
            class="pl-en">TCustomGrid.ChangeCursor</span>(ACursor:
          TCursor;</span></p>
      <p>...<br>
        <span class="blob-code-inner blob-code-marker"
          data-code-marker="+"><span class="blob-code-inner
            blob-code-marker" data-code-marker=" ">Canvas.Pen.Width:=<span
              class="pl-c1">3</span>;</span></span></p>
      <p><span class="blob-code-inner blob-code-marker"
          data-code-marker="+"><span class="blob-code-inner
            blob-code-marker" data-code-marker=" ">...</span></span><br>
        <span class="blob-code-inner blob-code-marker"
          data-code-marker="+"><span class="blob-code-inner
            blob-code-marker" data-code-marker=" "><span
              class="blob-code-inner blob-code-marker"
              data-code-marker=" "> Canvas.Pen.Width:=<span
                class="pl-c1">1</span>;</span></span></span></p>
    </blockquote>
    AFAIK, pen widths so far are not scaled at all. If they were,
    pen.Width=1 should be scaled, too, and this can have a detrimental
    effect on line styles and drawing speed, at least on Windows.<br>
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