- Implemented sgl_textline widget for displaying multi-line text with customizable properties such as font, color, and background.
- Added sgl_unzip_image widget to handle compressed image data, including drawing with transparency and color replacement.
- Created sgl_win widget for window management, featuring title text, close button, and customizable appearance attributes.
- Each widget includes necessary functions for creation, property setting, and rendering.
许晟昊