>>>Hmmm...doesnt seem to like that. Of course it doesn't like what I'm trying either...this is what I've got:
>>>

>>>     IF MOD(nR+nG+nB,2)=1  && Pixel Sum is Odd, convert to White
>>>        SYS(2600, nOffset+nPos, 3, 0hFFFFFF)
>>>      ELSE  && Pixel Sum is Even, convert to Black
>>>        SYS(2600, nOffset+nPos, 3,  0x000000)
>>>      ENDIF
>>>

>>
>>You are close, just use 0h000000 (varbinary) instead of 0x000000 (integer)
>
>Yeah that was it...thanks!


Hi Victor,

There's a cool sample in the GdiPlusX library that deals with the Lockbits() function to apply some interesting image effects.

Run Demo.prg, and select the "LockBits" sample.

BTW, may I ask you why do you need this crazy effect in your image ?