Get the value of the area image
| x | Specifies the x coordinate (in the image coordinates of the layer) for which you want to get the value. |
| y | Specifies the y coordinate (in the image coordinates of the layer) for which you want to get the value. |
Area image value (0 to 255)
Layer Area Gets the value (0 to 255) at any position in the image.
An exception is thrown if you specify an invalid (out of range) position as the image coordinates.