toTemplate

A collection of tools to convert various assets (fonts, images) into C source code using Jinja2 templates. This is particularly useful for embedded systems where you want to embed assets directly into your firmware.

Sub-projects

1. ttfToTemplate

Convert TrueType Fonts (TTF) or OpenType Fonts (OTF) into C bitmap fonts.

• Supports any font size.
• Flexible output via Jinja2 templates.
• Generates 1-bit packed bitmaps.
• Optional PNG preview generation.

2. pngToTemplate

Convert PNG images into C bitmap arrays.

• Generates 1-bit packed bitmaps from grayscale/thresholded images.
• Flexible output via Jinja2 templates.
• Supports individual files or entire directories.

Requirements

Most tools require:

• Python 3
• jinja2
• numpy
• pillow
• freetype-py (for fonts)

Install requirements for all tools:

pip install -r ttfToTemplate/requirements.txt -r pngToTemplate/requirements.txt

Usage

Each sub-project has its own README.md with specific usage instructions.