plgcolbga

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

Provided by: plplot-doc (Version: 5.10.0-0ubuntu5)
Source: plplot
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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.php) have contributed to PLplot over its long history.

SEE ALSO

PLplot documentation at http://plplot.sourceforge.net/documentation.php.