Paint.NET Filmic Tonemapping Plugin

A filmic tonemapping plugin for Paint.NET. Includes variants of the Reinhard tonemap operator, as well as a simplified Haarm-Pieter Duiker curve and the Uncharted 2 operator.

Building

FilmicTonemapping.cs can be loaded and built into a dll file using the CodeLab Paint.NET plugin: http://www.boltbait.com/pdn/codelab/

Parameters

This plugin offers the following usage parameters:

• Gamma Correction - enables/disables gamma correction before and after tonemapping
• Pre Gamma - gamma value to account for before tonemapping, set to 0 to disable pre-processing
• Post Gamma - gamma value to adjust image to after tonemapping, set to 0 to disable post-processing
• Tonemapping Model - tonemapping model to use, offers the following options:
  • Reinhard RGB Simple - simple Reinhard model applied to RGB values
  • Reinhard RGB Full - full Reinhard model applied to RGB values with support for white values
  • Reinhard Luminance Simple - simple Reinhard model applied to Luminance values
  • Reinhard Luminance Full - full Reinhard model applied to Luminance values with support for white values
  • Haarm-Peter Duiker Simple - simple Haarm-Pieter Duiker curve
  • Uncharted 2 GDC - Uncharted 2 model using parameter values from Hable's GDC talk, supports white values
  • Uncharted 2 Blog - Uncharted 2 model using parameter values from Hable's blod post, supports white values
  • ACES Narkowicz - ACES curve by Krzysztof Narkowicz
• White Value - color value which will be mapped to full white in final results
• Pre Exposure - Amount of image exposure to apply before tonemapping

Credits

Inspiration and code came from the following works:

• John Hable - Filmic Tonemapping Operators
• John Hable - Uncharted 2: HDR Lighting
• Tom Madams - Why Reinhard desaturates my blacks