Is there any free(source code) image manipulation tool available?. The functionality should contain Free Text, Drawing tools (Circle, Rectangle), Pencil , Line , Zoom in, Zoom out and rotate.
A:
I've found this post from 2009 that mentions this site:
http://www.aforgenet.com/framework/features/
AForge.Imaging, which is the biggest library of the framework so far, contains different image processing routines, which are aimed to help as in image enhancement/processing, as in some computer vision tasks:
Though as it's for image processing it only really meets the
Resize and rotation (nearest neighbor, bilinear, bicubic);
requirement from your list
ChrisF
2010-08-19 16:40:19