PENREVERSE

Synopsis
PENREVERSE
PX
Description

Sets the pen's position to "down" and the pen's mode to "reverse". In reverse mode, the pen draws in a color that is the bitwise negation of whatever pixel is under the pen. Use PENPAINT to restore the pen to normal use.

Example
SETPENCOLOR [255 0 0]
PENPAINT
FORWARD 100
PENREVERSE
BACK 100
See Also
PENERASE
PENPAINT

SourceForge.net Logo