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Composer
Autoload
Grafika
DrawingObject
Gd
DrawingObject
Filter
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\Grafika\Imagick\FilterContrast

Change the contrast of an image. Contrast is the difference in luminance or colour that makes an object distinguishable.

Summary

Methods
Properties
Constants
__construct()
apply()
No public properties found
No constants found
No protected methods found
$amount
N/A
No private methods found
No private properties found
N/A

Properties

$amount

$amount : integer

Type

integer

Methods

__construct()

__construct(integer  $amount)

Contrast constructor.

Parameters

integer $amount

The amount of contrast to apply. >= -100 and <= -1 to reduce. 0 for no change. >= 1 and <= 100 to increase.