class Grayscale extends OnPixelBased implements FilterInterface
The Grayscale filter calculates the gray-value based on RGB.
Methods
__construct()
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ImageInterface |
apply(ImageInterface $image)
Applies scheduled transformation to ImageInterface instance Returns processed ImageInterface instance |
from OnPixelBased |
Details
at line 24
public
__construct()
in OnPixelBased at line 35
public ImageInterface
apply(ImageInterface $image)
Applies scheduled transformation to ImageInterface instance Returns processed ImageInterface instance