Depend on slim.
Don't include icimage.h.
Don't include ic.h.
Include slim_{export,import}.h as appropriate. Mark all symbols __external_linkage.
Include slim_import.h; mark symbols __internal_linkage; add slim hidden_proto declarations.
Mark all symbols __internal_linkage.
Likewise.
Provide hidden definition.
Likewise.
Likewise.
Likewise.
Likewise.
Make static.
Make everything except IcBuildCompositeOperand and IcCompositeGeneral static.
Make static. (IcLaneTable): Turn into a function. (IcBltOne): Make IcLane const. (icStipple24Bits): Make static.
Remove lots of now static declarations.
Likewise.
Make static. (icStipple2Bits, icStipple1Bits): Make static. (IcStippleTable): Turn into a function.