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notcurses_visual.3: talk about 4x1 and 8x1

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nick black 2020-10-18 23:15:50 -04:00
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doc/man/man3/notcurses_visual.3.md
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@ -153,6 +153,9 @@ The different **ncblitter_e** values select from among available glyph sets:
* **NCBLIT_8x1**: Adds ⅛, ⅜, ⅝, and ⅞ blocks (▇▅▃▁) to **NCBLIT_4x1**.
* **NCBLIT_SIXEL**: Sixel, a 6-by-1 RGB pixel arrangement.
**NCBLIT_4x1** and **NCBLIT_8x1** are intended for use with plots, and are
not really applicable for general visuals.
# RETURN VALUES
**notcurses_canopen_images** and **notcurses_canopen_videos** returns true if
@ -189,6 +192,11 @@ linked library. OpenImageIO does not support subtitles.
**ncvisual_rotate** currently supports only **M_PI**/2 and -**M_PI**/2
radians for **rads**, but this will change soon.
**NCBLIT_SIXEL** is not yet implemented, and is only infrequently supported
among terminals.
Some fonts are lacking the Braille characters necessary for **NCBLIT_BRAILLE**.
# SEE ALSO
**notcurses(3)**,