how to make a single line text used as a glyph(mac develop)
<p>Effect like the mac mail app,this image is a screenshot<br>
<a href="https://i.stack.imgur.com/th2C9.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/th2C9.png" alt="Effect like the mac mail app,this image is a screenshot"></a></p>

<ol>
<li>how can i get effect like that. I try the cocoa text system,and don't find some useful things.</li>
<li>and I use the nstextattachment with textatttachmentcell initImageCell,obtain some effect like that,but it is not good,it is not very nature.</li>
</ol>

<p>please some one give directions to me. </p>