< GSDP:GAM100 | CProcessing
alpha()
Description
Retrieve the alpha value from a given PColor object.
Parameters
alpha(PColor c)
- c - (PColor) the Color to retrieve the alpha value from
Example
void init()
{
// Create a slightly transparent white color
pColor white = color(255,255,255,128);
// Retrieve the alpha value
// alpha will be 128
int alpha = alpha(white);
}