paint method
Paints this render object into the given context at offset.
Implementation
@override
void paint(PaintingContext context, Offset offset) {
_cachedStyle ??= TextStyle(color: _color);
final TextStyle style = _cachedStyle!;
for (int i = 0; i < chars.length; i++) {
context.buffer.writeStyled(offset.x + i, offset.y, chars[i], style);
}
}