aperez@cvbnet.UUCP (Arturo Perez x6739) (11/21/89)
I'm trying to update xchess to X11R3 (G*D knows why I bother with R4 just around the corner) but I'm having problems getting the pieces to come out correctly on the black squares. What I want to know is whether there are any known bugs with UNPATCHED Release 3 dealing with XCopyPlane. The scenario of chess piece drawing goes like this: IF BW screen and square is not white XSetState fg=black bg=white func=GXcopy AllPlanes XCopyPlane shading onto square XSetFunction GXandInverted XCopyPlane piece mask onto square Free pixmaps for shading and mask XSetFunction GXor XCopyPlane piece bitmap onto square Now, what happens is the XCopyPlane of the piece mask comes out a looking odd but not blatantly wrong, while the XCopyPlane of the piece bitmap comes out 50% correct and 50% of garbage from previously drawn squares. Are there bugs with X11R3 CopyPlane? Arturo Perez aperez@cvbnet.prime.com ComputerVision, a Prime Business Unit (617) 275-1800 x6739 "Too much information, like a bullet through my brain!" - The Police