| Property | Type | Description | |
|---|---|---|---|
| $amount | integer |
| Method | Description | |
|---|---|---|
| __construct ( integer $amount ) | Contrast constructor. | |
|
apply ( |
| public __construct ( integer $amount ) | ||
| $amount | integer | The amount of contrast to apply. >= -100 and <= -1 to reduce. 0 for no change. >= 1 and <= 100 to increase. |
|
public apply ( |
||
| $image | ||
| return | ||
