YABM Generator - Yet Another Bitmap Generator

Forked from ahota. Thank you!

A modern bitmap image generator with support for multiple dithering algorithms and color palettes. Optimized for high-performance processing of large images and videos.

🖼️ Screenshots

🚀 Features

• Modern GUI - Intuitive PyQt6-based interface
• Multiple Dithering Algorithms - 4 categories of dithering methods
• Video Support - Process video files frame by frame
• Optimized Performance - Advanced caching and vectorization
• Batch Export - Save multiple processed images
• Real-time Preview - Instant preview with adjustable parameters

🎨 Supported Dithering Algorithms

Threshold Methods

• Threshold - Basic per-pixel quantization

Ordered Dithering

• Bayer 4x4 - Classic Bayer matrix dithering
• Bayer 8x8 - Higher precision Bayer dithering
• Cluster 4x4 - Cluster-dot dithering
• Cluster 8x8 - High-quality cluster dithering

Error Diffusion

• Floyd-Steinberg - Most popular error diffusion
• Atkinson - Apple Macintosh classic
• Burkes - Floyd-Steinberg optimization
• Sierra Lite - Fast error diffusion

Randomized

• Random - Per-pixel randomized quantization
• Block Random - Block-based randomized dithering

🎯 Available Palettes

• Grayscale - 1-bit through 7-bit (2-128 levels)
• Commodore 64 - Gamma-corrected C64 colors
• CGA - Color Graphics Adapter palettes
  • Mode 4, low/high intensity
  • Mode 5, low/high intensity
• EGA - Enhanced Graphics Adapter
• Websafe - Standard 216 web-safe colors

🖥️ Usage

Basic Controls

• Load Image/Video - Import files for processing
• Size Slider - Adjust output image scale (10%-100%)
• Threshold Slider - Control quantization threshold
• Dither Method - Select from available algorithms
• Palette - Choose color palette
• Export - Save processed images

Processing Workflow

• Load an image or video file
• Adjust size and threshold parameters
• Select dithering method and palette
• Preview results in real-time
• Export individual frames or batch process

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

🤝 Contributing

Contributions are welcome! Please feel free to submit pull requests or open issues for bugs and feature requests.

📞 Support

If you encounter any problems or have questions:

1. Check existing GitHub issues
2. Create a new issue with detailed description
3. Include system information and error logs