trim — Trim away parts of an image
Description
public Intervention\Image\Image trim([string $base, [array $away, [integer $tolerance, [integer $feather]]]])
Trim away image space in given color. Define an optional base to pick a color at a certain position and borders that should be trimmed away. You can also set an optional tolerance level, to trim similar colors and add a feathering border around the trimed image.
Parameters
base
Define the the point from where the trimming color is picked. For example if you set this parameter to bottom-right
, all color will be trimmed away that is equal to the color in the bottom-left corner of the image.
Possible values are:
- top-left (default)
- bottom-right
- transparent
away (optional)
Border(s) that should be trimmed away. You can add multiple borders. as an array of values. Possible values are:
- top
- bottom
- left
- right
By default the trimming is performed on all borders.
tolerance (optional)
Define a percentaged tolerance level between 0 and 100 to trim away similar color values. Default: 0
feather (optional)
Sometimes it may be useful to leave a untouched “border” around an object while trimming. Especially when trimming non-solid backgrounds you can expand (positive value) or contract (negative value) the space around the trimed object by a certain amount of pixels. Default: 0
Return Values
Instance of Intervention\Image\Image
Examples
// trim image (by default on all borders with top-left color)
Image::make('public/foo.jpg')->trim();
// trim image (on all borders with bottom-right color)
Image::make('public/foo.jpg')->trim('bottom-right');
// trim image (only top and bottom with transparency)
Image::make('public/foo.jpg')->trim('transparent', array('top', 'bottom'));
// trim image (only left side top-left color)
Image::make('public/foo.jpg')->trim('top-left', 'left');
// trim image on all borders (with 40% tolerance)
Image::make('public/foo.jpg')->trim('top-left', null, 40);
// trim image and leave a border of 50px by feathering
Image::make('public/foo.jpg')->trim('top-left', null, 25, 50);