Applies a color vector to each pixel in the image. The length of the vector
is 0 for black and white and at its maximum for the midtones. The vector
weighing function is f(x)=(1-(4.0*((x-0.5)*(x-0.5)))).
Parameters
tint
opacity
Return Values
Returns TRUE on success.
Errors/Exceptions
Throws ImagickException on error.
Changelog
Version
Description
2.1.0
Now allows a string representing the color as the first parameter and
a float representing the opacity value as the second parameter.
Previous versions allow only an ImagickPixel objects.