Description
Automatically balances contrast in the image, adjusting the results of the auto lightness algorithm by a specified amount.
Syntax
| Visual Basic |
|---|
Public Sub AdjustLightness( _ ByVal shadows As Integer, _ ByVal highlights As Integer _ ) |
Parameters
- shadows
Specifies the amount of brightening that will be applied to shadowed image areas.
Range: 0 - 100
0 = No brightening
Higher values indicate greater increase of brightness in shadowed image areas.
- highlights
Specifies the amount of brightness decreasing that will be applied to the highlighted image areas.
Range: 0 - 100
0 = No decrease in brightness.
Higher values indicate greater decrease of brightness in shadowed image areas.
Remarks
This method applies the same algorithm as AutoLightness, to automatically balance color in the image, but enables the user to adjust the results of the algorithm by a specified amount.
Note: Available in Professional edition.