G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing
Banner Institutions GREYC CNRS ENSICAEN UNICAEN

A Full-Featured Open-Source Framework for Image Processing



Latest stable version: 4.0.4 (2026/08/19)

Reference
Table of Contents  ▸  List of Commands  ▸  Reptorian's Commands  ▸  rep_dynamic_contrast◀  rep_henon_phase_diagram    |    rep_chirikov_taylor  ▶

rep_dynamic_contrast

Arguments:

  • -64<=amount<=64,0<=_threshold<=255,0<=_intensity<=255

Description:

Apply dynamic contrast using formula found by Remake at forums.getpaint.net. Original source code - https://forums.getpaint.net/topic/117538-dynamic-contrast/?tab=comments#comment-578867 . It is similar to Photoshop's Dynamic Contrast.

 
Author: Reptorian.

Default values:

_threshold=128,_intensity=255

G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing

G'MIC is an open-source software distributed under the CeCILL free software licenses (LGPL-like and/or
GPL-compatible). Copyrights (C) Since July 2008, David Tschumperlé - GREYC UMR CNRS 6072, Image Team.