blt()

copy a part of slot image onto screen.

Syntax:
blt( slot , sx , sy , sw , sh , dx , dy )

slot  is the slot number where source image reside
sx is the source X coordinate
sy is the source Y coordinate
sw  is the source image part width
sh is the source image part height
dx  is the destination screen X coordinate
dy  is the destination screen Y coordinate

Example:

See also grab() command.