
Allows you to use Gamma-correction to correct an image.
Example

Running this code will get the gamma of "E:\Example Folder\Picture 1.jpg" with the following properties:
- Red: 25%
- Green: 20
- Blue: 20%
Saving it to "E:\Saved Folder\Sample.jpg".
plugin command("Image Automation.dll", "image gamma", "E:\\Example Folder\\Picture 1.jpg", "E:\\Saved Folder\\Sample.jpg", 25, 20, 20)