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Using functions
Before using the functions it is necessary to build the image using the class EditImage and the from() method.
EditImage::from('my_image.jpg')This method will generate a copy of the model image to be manipulated by other functions.
alias
You can set an alias for the image like that
EditImage::from('my_image.jpg', 'my_alias')The alias is used to not repeat names in copies and to get a specific image for manipulation.
When you do not define alias, it will be defined with an array index ... like [0,1,2, ...]
You can see more about alias in copy() function of the actions methods page
about functions
Functions may require 1 or no parameters, but they all have the alias option except use() and copy() functions.
When the image alias is not set, the function will execute on all copies of the created images.
All functions can be called by the use() function. Obviously the use() function cannot be called by itself.
recommendations
If you need to use the copy function, use it before any other. But feel free to use the other functions as you see fit.
These are the methods like crop, resize, flip, etc...
These are the methods for changing image colors.