PDF-592 fixed an overflow issue when parsing really large numbers.

git-svn-id: http://anonsvn.icesoft.org/repo/icepdf/trunk/icepdf@35853 1de00972-ac04-4911-a46b-06793c8d78d9
PDF-595 updated alterBufferedImage to scale base image to match image mask.

git-svn-id: http://anonsvn.icesoft.org/repo/icepdf/trunk/icepdf@35869 1de00972-ac04-4911-a46b-06793c8d78d9