AggPas: Fix coordinate calculation in Pixels and Colors properties of TAggFPImage 

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40143 4005530d-fff6-0310-9dd1-cebe43e6787f
TAChart: Support PutImage in AggPas drawing back-end

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40144 4005530d-fff6-0310-9dd1-cebe43e6787f