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

A Full-Featured Open-Source Framework for Image Processing

Home
News
Download
Resources
- Technical Reference
- Scripting Tutorial
- Video Tutorials
- Wiki Pages
- Image Gallery
- Color Presets
- Using libgmic
- G'MIC Online
Community
- Discussion Forum (Pixls.us)
- GimpChat
- IRC
Report Issue

Latest stable version: 3.5.5 Current pre-release: 3.6.0 (2025/07/18)

Reference

Table of Contents ▸ List of Commands ▸ Input / Output ▸ warn

◀ wait | window ▶

warn	Built-in command

Arguments:

_force_visible={ 0:No | 1:Yes },_message

Description:

Print specified warning message, on the standard error (stderr).

Command selection (if any) stands for displayed call stack subset instead of image indices.

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.