https://github.com/moebiussurfing/ofxcolorquantizerhelper

Get the dominant colors from image files to create a palette. (ImGui based)
https://github.com/moebiussurfing/ofxcolorquantizerhelper

ofxaddon openframeworks openframeworks-addon

Last synced: 3 months ago
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Get the dominant colors from image files to create a palette. (ImGui based)

• Host: GitHub
• URL: https://github.com/moebiussurfing/ofxcolorquantizerhelper
• Owner: moebiussurfing
• Created: 2019-08-25T19:47:23.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2025-06-05T22:23:03.000Z (about 1 year ago)
• Last Synced: 2025-06-23T18:51:32.604Z (12 months ago)
• Topics: ofxaddon, openframeworks, openframeworks-addon
• Language: C++
• Homepage:
• Size: 26.4 MB
• Stars: 2
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: ReadMe.md

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README

          
ofxColorQuantizerHelper

-----------------------

**openFrameworks** addon to get the dominant colors of a picture.  

Helps the integration of the original **ofxColorQuantizer** coded by @**mantissa** into an OF app. 

## Screenshots

![](/example_ColorQuatizer/Capture.PNG)  

![](/example_ColorQuatizerGradient/Capture.PNG)  

## Overview

* Get a palette with the dominant colors of a picture.  

  * Set the desired number of colors.

  * Threaded quantizer process.

  * Magnifed color picker. 

    - Right Click to show. 

    - Ctrl + Mouse wheel to set zoom depth.

* Different sorting modes: by **Hue/Saturation/Brightness** or **% of appearance**.

* Put your images also into `bin/data/images/`.

  * Or drag files into the app window. 

* `ImGui` based. Grid preview and folder browser.

## Dependencies

* [ofxSurfingImGui](https://github.com/moebiussurfing/ofxSurfingImGui)  

* [ofxColorQuantizer](https://github.com/moebiussurfing/ofxColorQuantizer) / FORK

* ofxOpenCv / _OF Core_

* [ofxColorGradient](https://github.com/moebiussurfing/ofxColorGradient) / _Only for the gradient example._

## Note

- TODO: Sometimes dragging files is not working on *Windows 10*, maybe because of something related to ownership or administration rights.

## Tested Systems

- **Windows10** / **VS2017** / **OF ~0.11+**

## Author

Addon by **@moebiusSurfing**  

*(ManuMolina). 2020-2023.*  

Original engine core code taken from **@mantissa**.  

https://github.com/mantissa/ofxColorQuantizer  

Also based on the [ocvColorQuantize](https://github.com/cinder/Cinder-OpenCV/blob/master/samples/ocvColorQuantize) demo that ships with Cinder.  

Thanks!  

## License

*MIT License.*