Gimp circle FAQ: How do I draw a circle in Gimp?
I just used Gimp to create several circle images in my iPhone Safari browser privacy and security tutorial, and here's a short tutorial on how I created them. I normally use hollow circle images to highlight something in the original image, I'll demonstrate that here, but I'll also show how to create solid circles in Gimp, which are even easier to create.
Here are the steps to creating a circle in Gimp, specifically a hollow circle:
Assuming that all worked, congratulations, that's how you create a circle with Gimp. Using these steps, you should have created a hollow circle in Gimp that looks like the hollow circle on the left of this image:
As noted in the Comments section below, if on Step 4 of these instructions you jump right to the "Fill with FG Color", you'll end up with a completely filled circle, as shown in the right of this image.
As soon as you use the Gimp ellipse tool, you'll see that it really wants to create an ellipse, and not a circle. To create a circle in Gimp, hold down the [Shift] and [Alt] keys as you drag the mouse, and you'll see that it creates an actual circle.
Note that you don't actually have to create your Gimp circle on a layer. That being said, layers are good things, and the sooner you get used to working with them, the sooner you'll be a much, much better Gimp user. This also makes your circle easier to click and drag to a different location, which is extremely useful. (As Monk would say, you'll thank me later, lol.)
I ran into one problem consistently when trying to draw a circle in Gimp. Using Gimp 2.6.3 on Mac OS X 10.6.x, when I clicked the Select menu and Border menu item, Gimp seemed to lose focus on my ellipse/circle. I actually have no idea how to fix this problem, other than to restart Gimp, which does fix the problem.
I'll try to come back here at some point and add some screenshots to make this tutorial a little easier to follow, but until then, I hope this tutorial on creating a circle in Gimp has been helpful.