plgcolbga.3plplot man page

plgcolbga — Returns the background color (cmap0[0]) by 8-bit RGB value and double alpha transparency value

Synopsis

plgcolbga(r, g, b, alpha)

Description

Returns the background color (cmap0[0]) by 8-bit RGB value and double alpha transparency value.

This function is used in example 31.

Arguments

r (PLINT *, output)
Pointer to an unsigned 8-bit integer (0-255) representing the degree of red in the color.
g (PLINT *, output)
Pointer to an unsigned 8-bit integer (0-255) representing the degree of green in the color.
b (PLINT *, output)
Pointer to an unsigned 8-bit integer (0-255) representing the degree of blue in the color.
alpha (PLFLT *, output)
Pointer to PLFLT alpha transparency value.

Authors

Many developers (who are credited at http://plplot.sourceforge.net/credits.p…) have contributed to PLplot over its long history.

See Also

PLplot documentation at http://plplot.sourceforge.net/documenta….

Info

August, 2015 PLplot API