#3985 initial selection by color ignoring alpha.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31622 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Missing interface

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31623 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e