A circle in a 16x16 icon


I was drawing a circle in a icon maker and found the circle was full of steps. By comparing, the icon of Microsoft Outlook is quite smooth. How they made such a smooth circle in such a small area?

Thank you in advance.

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walkerkeConnect With a Mentor Commented:
Does the icon maker app support anti-aliasing? Antii-aliasing is the process of smoothing the edges in low-res images by making them less sharp -- which makes them look sharper!
Harisha M GCommented:
Hi, outlook may be using 32x32 icon. If you use a 16x16 icon, then quality won't be good

learnAuthor Commented:
I think Outlook uses both 32x32 and 16x16 icons. When I draw the 32x32 Outlook icon from my table top to the bottom bar, it became a 16x16 icon with only a circle in side and indeed it is a perfect smooth circle. You can try it.
learnAuthor Commented:
Thank you. You are right!
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