P25 Lightness

 

/P#

Meaning

Extra Parameters: /a{Parameter1} … /j

25

Lightness

/a = Color Lightness Adjustment (-1.0 to +1.0). -1.0 = All Black

+1.0 = All White

Here you can adjust the tonal range of a specific color of all the pixels in an image.

 

Example 1: Adjust the Lightness Level of an Image

Specify the source (/S) and output files (/T). Specify the special process (/P25). Specify 0.25 for the lightness (/a). Show status of command line with on-screen confirmation (/V).

 

ConvertImage.EXE /S C:\Input\Tryme.jpg /T C:\Output\Out.jpg /P25 /a0.25 /V

 

See Also:

Command Line Examples

Helpful Hints for Creating a Command Line