plxormod.3plplot man page
plxormod — Enter or leave xor mode
Enter (when mode is true) or leave (when mode is false) xor mode for those drivers (e.g., the xwin driver) that support it. Enables erasing plots by drawing twice the same line, symbol, etc. If driver is not capable of xor operation it returns a status of false.
Redacted form: plxormod(mode, status)
This function is used in examples 1,20.
- mode (PLBOOL, input)
mode is true means enter xor mode and mode is false means leave xor mode.
- status (PLBOOL *, output)
Pointer to status. Returned modestatus of true (false) means driver is capable (incapable) of xor mode.
Many developers (who are credited at http://plplot.sourceforge.net/credits.php) have contributed to PLplot over its long history.
PLplot documentation at http://plplot.sourceforge.net/documentation.php.