ADDITIONAL SYSTEM INFORMATION :
Not operating system related

A DESCRIPTION OF THE PROBLEM :
In the class com.sun.imageio.plugins.bmp.BMPImageWriter, the encodeRLE4 function is not working as expected.

The line 1105 :
if ( !isEven((int)Math.ceil((absVal-1)/2)) )
should be :
if ( !isEven((int)Math.ceil((absVal-1)/(double)2)) ) {

Same for line 1241.

The bug causes output artifacts on certain images.


CUSTOMER SUBMITTED WORKAROUND :
Copy the BMPImageWriter class and fix the code to get it working.

FREQUENCY : always