비트맵 구조

http://en.wikipedia.org/wiki/Windows_bitmap

http://eraquila.iquebec.com/site/delphi/graphic/bitmap2.htm

http://blog.empas.com/i5on9i/read.html?a=19857315

http://atlc.sourceforge.net/bmp.html

http://blog.naver.com/g2000240023?Redirect=Log&logNo=50012280320