其他人的Delphi图形图像博客

Delphi下的BitBlt
http://www.cnblogs.com/del/archive/2008/06/25/1229469.html

http://www.cnblogs.com/del/category/123038.html

http://www.cnblogs.com/del/category/122944.html
http://www.cnblogs.com/del/category/122495.html

http://blog.csdn.net/lailai186/article/details/8754892
http://blog.csdn.net/lailai186/article/details/8754950

http://www.cnblogs.com/pchmonster/category/389079.html

http://www.davdata.nl/math/drawing3.html