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1.5.4->1.6.0. describe new TTY interactions

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nick black 2020-07-03 16:09:54 -04:00
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NEWS.md
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This document attempts to list user-visible changes and any major internal This document attempts to list user-visible changes and any major internal
rearrangements of Notcurses. rearrangements of Notcurses.
* 1.5.4 (not yet released) * 1.6.0 (not yet released)
* Behavior has changed regarding use of the provided `FILE*` (which, when
`NULL`, is assumed to be `stdout`). Both Notcurses and `ncdirect` now
try to open a handle to the controlling TTY, **unless** the provided
`FILE` is a TTY, in which case it is used directly. Certain interactions
now only go to a TTY, in particular `ncdirect_cursor_yx()` and various
`ioctl()`s used internally. Furthermore, when no true TTY is found (true
for e.g. daemonized processes and those in a Docker launched without
`-t`), Notcurses (in both full mode and direct mode) will return a virtual
screen size of 80x24. This greatly improves behavior when redirecting to a
file or lacking a TTY; one upshot is that we now have much-expanded unit
test coverage in the Docker+Drone autobuilders.
* `ncdirect_render_image()` has been added, allowing images (but not * `ncdirect_render_image()` has been added, allowing images (but not
videos or animated images) to be rendered directly into the standard I/O videos or animated images) to be rendered directly into the standard I/O
streams. It begins drawing from the current cursor position, running streams. It begins drawing from the current cursor position, running
through the right-hand side of the screen, and scrolling as much content through the right-hand side of the screen, and scrolling as much content
as is necessary. as is necessary.
* `ncneofetch` has been rewritten to use `ncdirect`, and thus no longer
clobbers your entire terminal, and scrolls like standard I/O.
* 1.5.3 (2020-06-28) * 1.5.3 (2020-06-28)
* The default blitter when `NCSCALE_STRETCH` is used is now `NCBLIT_2x2`, * The default blitter when `NCSCALE_STRETCH` is used is now `NCBLIT_2x2`,