Draw a circle or square with Photoshop CS4
Many time to highlight any portion of a image we need to draw a Square or Circle. We can draw a circle or square using the elliptical or rectangular marquee tools. Add New layer though Layer > New > Layer... or Shift+Ctrl+N. We are drawing circle or square on this new layer which isolate it (circle or square) from origanal image.
Select the Elliptical Marquee tool or the Rectangular Marquee tool in the toolbox.










