I have been studying and researching about Computer Graphics for more than 15 years.
The main subjects I'm working on now:
-Digital image processing;
-Texture synthesis;
-Images combinations;
-Layer based compositions;
-2D rendering;
-Bitmap based drawing;
-Vector based drawing;
-Fonts, glyphs and text drawing;
-Anti aliasing;
-Curves representation and parametrization;
-Set operations over polygons;
-Filling Algorithms;
-Vector based transformations;
-Warping;
-Transforming bitmaps in vector based images.