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| BMW X Coupé concept-car |
Detects the contrast between the current pixel and it's surrounding orthogonal and diagonal pixels. If any pixel is brighter than any of it's surrounding orthogonal pixels by the specified bias, it will receive the color specified by darkest, if it is also brighter than it's diagonal pixels, it will receive the color specified by brightest. Each channel is handled separately.
Red
bias - Specifies the bias for the red channel.
Green bias - Specifies the bias for the green channel.
Blue bias - Specifies the bias for the blue channel.
Brightest - If both the orthogonal and diagonal surrounding pixels are brighter by a set bias, the pixel will receive this shade.
Darkest - If only the orthogonal surrounding pixels are brighter by a set bias, the pixel will receive this shade.
Invert - Inverts the image.