selfImDrawList handle on which this method operates.
fontFont used for drawing; null selects the draw list's shared current font, not necessarily the default font.
font_sizeText size in pixels; 0 uses the draw list shared current font size, even when an explicit font is supplied.
posPosition in absolute screen coordinates, in pixels.
colPacked ImU32 RGBA color; alpha controls opacity.
text_beginUTF-8 text to read. JS strings are encoded for this call; a nonempty Uint8Array ending in NUL is passed directly, otherwise its bytes are copied and NUL-terminated.
Append text to the draw list with explicit font and size control.