cairo example updated
PutOneTileMock: Drawing fixed
Singleton PutOneTileDraw class skeleton
PutOneTileDraw skeleton is amended
PutOneTile Draw: amended with cairo drawing
PutOneTileMock is not used
fixup! PutOneTile Draw: amended with cairo drawing
CalculateTiles: Convex: Using drawing
PutOneTileDraw: Save different images