Description
int
imagecolorallocate ( int im, int red, int green, int blue)
ImageColorAllocate() returns a color
identifier representing the color composed of the given
RGB components. The im
argument is the return from the imagecreate()
function. Red, green and
blue are the values of the red, green and blue component of the requested
color respectively. These parameters are integers between 0 and 255.
ImageColorAllocate() must be called
to create each color that is to be used in the image represented
by im.
Returns -1 if the allocation failed.
