# Keyword Reference

# $tagGDIP_EFFECTPARAMS_Levels

Levels effect parameter structure

Global Const $tagGDIP_EFFECTPARAMS_Levels = "int Highlight; int Midtone; int Shadow"

## Parameters

Highlight | Integer in the range 0 through 100 that specifies which pixels should be lightened.
Midtone | Integer in the range -100 through 100 that specifies how much to lighten or darken an image.
Shadow | Integer in the range 0 through 100 that specifies which pixels should be darkened.