Filters Methods

Filters methods

• brightness()

Increase or decrease image brightness

• grayscale()

Transform the image to grayscale

• negate()

Reverses all colors of the image.

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brightness()

brightness(int $level, mixed $alias = false)

Description

Use this function to changes the brightness of the image. For this, you need set the level of brightness.

This level has a range -255 to 255. The bigger the clearer. The smaller the darker.

Example

EditImage::
    from('images/turtle.jpg', 'img1')
    ->brightness(-100)
    ->save(); 

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grayscale()

grayscale(mixed $alias = false)

Description

Use this function to transform image in grayscale.

Example

EditImage::
    from('images/turtle.jpg')
    ->grayscale()
    ->save(); 

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negate()

negate(mixed $alias = false)

Description

Use this function to invert the colors of the image.

EditImage::
    from('images/turtle.jpg')
    ->negate()
    ->save();