SimonBoorer / Quantize

A utility for quantizing an image using the Gervautz-Purgathofer octree method

Quantize

A utility for quantizing an image using the Gervautz-Purgathofer octree method:

• Wicked Code -- MSJ, August 1996
• Wicked Code, MSJ October 1997
• Color Quantization using Octrees | Dr Dobb's
• Optimizing Color Quantization for ASP.NET Images

Build Instructions

1. Install CMake 3.1.0 or later

2. Install Boost

3. Install OpenImageIO 1.6 or later

4. Clone a copy of the repository:

   git clone https://github.com/SimonBoorer/Quantize.git
   

5. Build with CMake:

   cd Quantize
   mkdir build
   cd build
   cmake ..
   make
   

Usage

Usage: Quantize [options] input-file output-file
Allowed options:
  -h [ --help ]                   produce help message
  -m [ --max-colours ] arg (=255) maximum number of colours in the palette
  -b [ --colour-bits ] arg (=8)   number of significant bits in each 8-bit 
                                  colour compartment