ELPhotoX ActiveX DLL   
http://www.elphotox.com

ELPhotoX is ActiveX DLL which encapsulates most important image processing routines. With ELPhotoX library you can load and save image files, convert image files into different image formats, read and write EXIF information, extract frames from video files, apply various adjustments, photographic effects and filters to images, rotate and scale image, render geometrical primitives such as line, rectangle, ellipse, square spline, Bezier spline etc. Also you can add text in image, draw with such tools as brush and pen. ELPhotoX library has simple and comfortable interface. Install package has documentation and free examples.