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Bumps `;; Version:' header from 0.4.0 to 0.5.0 and AGENTS.md `Current
version' to match (it was still 0.3.0; missed at the 0.4.0 bump).
Per AGENTS.md versioning rules, minor (0.x.0) is the right step for
new features, and 0.5.0 collects:
- Typst inline equation preview (#5)
- Configurable Sixel encoder + per-invocation timeout (refs #4)
- Sixel inside tmux >= 3.4 (refs #2)
- Windows Terminal detection + GIF routing (closes #6)
- Inline mpv video playback on the Kitty backend
- Loud warning when the Sixel backend cannot find an encoder on PATH
Plus assorted fixes (ECH erase + pre-erase, heading folded-line
skip, Sixel parity, text sizing column guard / CPU / preview-mode),
the new `justfile' task runner, and documentation that hard-states
img2sixel as the recommended Sixel encoder.
CHANGELOG.org gets a new top-level section with the full feature
write-ups, bench numbers for the encoder swap, credits to @timfel
(encoder timeout pattern + Windows Terminal patch + ongoing Sixel
collaboration), and a reworded "what comes next" paragraph that
reflects the Sixel-in-tmux side as done while leaving Kitty APC
passthrough on the roadmap.
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Windows Terminal does not expose a stable `TERM' value, so the previous
sixel-detect check missed it. Accept the `WT_SESSION', `WT_PROFILE_ID'
and `WT_WINDOWID' environment markers it injects into every session.
Also add `gif' to `kitty-gfx--image-file-p' so GIF files are routed
through the image pipeline. Animation is still not supported -- only
the first frame is rendered -- but that is better than dropping them
on the floor.
AGENTS.md: list Windows Terminal under supported sixel terminals and
soften the GIF wording from "not supported" to "first frame only".
Closes #6.
Co-authored-by: Tim Felgentreff <timfel@users.noreply.github.com>
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when none is on PATH
Users hit a silent-failure mode where `kitty-gfx--sixel-detect' returned
true (terminal supports Sixel) but no encoder was on `PATH', so every
`sixel-place' logged `no encoder found' and produced no image. The
echo-area `message' from `sixel-encode' was easy to miss inside tmux,
which made the issue look like a refresh / tmux passthrough bug.
- README.org: Requirements section now explicitly lists a Sixel encoder
as required and recommends `img2sixel' (libsixel) over ImageMagick,
with the concrete numbers from PR #10's bench (~2.2x smaller payload,
~10x faster) and a note that this matters most inside tmux because
every refresh re-emits the full DCS payload. Known-Limitations
reworded: missing encoder = silent failure surfaced via the debug log.
- AGENTS.md: Dependencies block reorganised the same way; adds a
pointer to `just sixel-encoder' as the first step when diagnosing
Sixel rendering bugs.
- kitty-graphics.el: when the active backend is Sixel and
`kitty-gfx--sixel-resolve-encoder' returns nil at mode-enable time,
fire a `display-warning' (`*Warnings*' buffer + visible message)
pointing at img2sixel/ImageMagick, so the failure is no longer
buried in /tmp/kitty-gfx.log.
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Sixel detection used to hard-disable the moment `$TMUX' was set. That
guard predates tmux 3.4 (released 2024-02-13), which ships native Sixel
rendering, so we were rejecting a working configuration. Drop the hard
guard, gate on a parsed `tmux -V' >= 3.4, and let users opt out via a
new custom var.
- `kitty-gfx-tmux-allow-sixel' (default t). Set to nil if your tmux
build lacks `--enable-sixel' or if you want to avoid the upstream
scroll artifact (tmux's cell buffer is not pixel-aware, so images may
persist after scrolling).
- `kitty-gfx--tmux-version' parses `tmux -V' once per session and
caches the result in `kitty-gfx--tmux-version-cache' (with an
`unset' sentinel so we can distinguish "not probed" from "no tmux").
- `kitty-gfx--tmux-sixel-supported-p' centralises the (in-tmux + opt-in
+ version >= 3.4) check.
- `kitty-gfx--sixel-detect' now uses the helper instead of
`(not in-tmux)'. Debug log gained `tmux-ver=' and `tmux-ok='.
- AGENTS.md / README.org / CHANGELOG.org: limitation reworded from
"no tmux support" to a partial entry that explains exactly what works
and what the remaining caveats are (Kitty APC passthrough is still
unimplemented; scroll artifacts are upstream).
- justfile: new `test-sixel-tmux' recipe wraps `test-sixel-image' in
`tmux new-session' for one-command interactive verification, and
the sibling `test-sixel-image' recipe was switched from a fragile
shell conditional to an elisp `when' so passing an encoder argument
no longer breaks the parse.
Refs #2.
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Sixel encoding was hard-coded to ImageMagick (`magick'/`convert') with no
timeout, so a malformed image or hung encoder could freeze Emacs and
users could not switch to libsixel's faster `img2sixel'.
- New customs: `kitty-gfx-sixel-encoder-program' (nil = auto-detect:
prefer img2sixel, then magick, then convert), `-encoder-args' (extra
args list), `-encoder-timeout' (float seconds, default 5.0, nil =
no timeout).
- New helper `kitty-gfx--sixel-resolve-encoder' returns
(KIND . ABS-PATH) where KIND is `img2sixel' or `imagemagick' so the
encode pipeline can build the right argv (`-w/-h <px>' vs
`-geometry WxH sixel:-').
- New helper `kitty-gfx--sixel-run-encoder' runs the encoder via
`make-process' with a separate stderr buffer and a `run-at-time'
watchdog that kills the process on timeout; failures and timeouts
are logged and surface as nil from `kitty-gfx--sixel-encode'
rather than freezing Emacs.
- Existing magick/convert path preserved and still chosen automatically
when img2sixel is absent.
- AGENTS.md: dependency note updated to mention img2sixel and the new
customs.
Inspired by and co-authored with @timfel's sixel-graphics.el fork
(https://github.com/timfel/sixel-graphics.el), which introduced the
configurable encoder + timeout pattern.
Refs #4.
Co-authored-by: Tim Felgentreff <timfel@users.noreply.github.com>
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Mirrors the existing LaTeX fragment integration but uses the `typst`
CLI to compile `$...$' math fragments into PNGs that are then displayed
inline through the existing kitty-graphics overlay pipeline.
- New section in kitty-graphics.el: customs (typst-command, ppi,
text-size, preamble), SHA-1 cached PNGs under /tmp/kitty-gfx-typst,
Emacs face-foreground -> typst rgb() hex conversion.
- Two autoloaded commands: `kitty-gfx-typst-preview' and
`kitty-gfx-typst-clear-preview', region-aware.
- Regex skips backslash-escaped dollars (\\$not math\\$).
- justfile with recipes: compile/lint/load + per-feature test-* and
headless typst-render / typst-show.
- tests/test-typst.typ fixture with inline, display, mixed and
edge-case fragments.
- AGENTS.md updated: test instructions, dependency note, issue marked
done.
Closes #7. Parent #5.
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- Document backend dispatch system (alist-based, detect-protocol)
- Update architecture section with Kitty vs Sixel pipeline
- Add Sixel-compatible terminals to testing/dependencies
- Note Sixel limitations (256 colors, stateless)
- Track org-mode misplacement bug as WIP
- Bump documented version to 0.3.0
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