besides oasis , most of the major paint programs for the macintosh now support pressure-sensitive input , including digital darkroom and superpaint 2.0 from silicon beach software , photoshop from adobe systems inc. , colorstudio from letraset inc. , studio/32 from electronic arts inc. , pixelpaint pro from supermac technology and ultrapaint from deneba systems inc. ; so far , there is only one major pressure-sensitive paint program for international business machine corp. personal computers and compatibles : lumena , a $ 2,495 program from time arts , the maker of oasis .