5. Built-in Fonts

D3-TUI will include a built-in default font for immediate usability:

5.1 Default Font Specifications

• Name: “D3TUI Default”
• Size: 16 pixels
• Cell Size: 8x16 pixels
• Characters: ASCII 32-126 + extended (256 total)
• Format: ARGB1555
• Texture Size: 256x256 pixels

5.2 Font Generation

The default font will be generated from a free monospace font (e.g., DejaVu Sans Mono, IBM Plex Mono) using the font conversion tool.

6. Font Conversion Tool

6.1 Tool Specification

Name: d3tui-fontconv
Language: Python 3
Dependencies: Pillow, fontTools (optional)