| Commit message (Collapse) | Author | Age | Files | Lines |
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Fix scroll/buffer-switch behavior for heading overlays:
- on-window-change: preserve heading overlay position caches
(images clear theirs for re-placement, but headings need
old→new comparison to erase multicell blocks properly)
- on-buffer-change: erase heading multicell blocks when their
buffer becomes hidden, preventing ghost artifacts if the new
buffer's content doesn't fully overwrite the heading cells
- on-buffer-change: preserve heading caches for visible buffers
(same rationale as on-window-change)
The existing two-phase refresh already handles scroll correctly:
phase 1 detects position changes and erases moved headings,
phase 2 re-emits all visible headings. These fixes ensure the
cache state is correct for that comparison to work.
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Add the OSC 66 emission pipeline (Step 5 of incremental plan):
- kitty-gfx--place-heading: emits \e]66;s=S:n=N:d=D;TEXT\a with
SGR bold + 24-bit foreground color at cached terminal position
- kitty-gfx--erase-heading: erases multicell blocks by writing
spaces at the topmost row (overwrite Rules 2-3)
- kitty-gfx--refresh-heading-overlay: phase 1 computes position,
erases on move/hide, caches new position (no emission)
- kitty-gfx--emit-heading-overlays: phase 2 walks all buffers,
emits OSC 66 for visible heading overlays after all posn-at-point
queries complete (prevents redraw-induced multicell destruction)
Two-phase refresh in kitty-gfx--refresh: phase 1 (walk-windows)
does position queries and image placements, phase 2 (after loop)
emits all heading OSC 66 sequences. Both phases run inside
synchronized output (BSU/ESU) to prevent flicker.
Also adds org-mode integration hooks (heading-modified debounce,
org-mode-hook for auto-apply, heading scan/remove commands) and
self-tests for place-heading and erase-heading in dry-run mode.
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- Add kitty-gfx--query-text-sizing-support using CPR probing
(3 cursor position reports interleaved with OSC 66 tests)
- Detect scale, width-only, or no support
- Wire detection into kitty-graphics-mode enable (Kitty backend only)
- Reset detection cache on mode disable
- Update modeline lighter: KittyGfx[K+T] when text sizing available
- Update enable message to mention text sizing when detected
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- Add kitty-gfx--dry-run variable and kitty-gfx--terminal-send wrapper
that routes all terminal escape output through a single function,
logging sequences in dry-run mode for batch debugging
- Replace 9 bare send-string-to-terminal call sites with wrapper
- Add kitty-gfx--decompose-scale for OSC 66 parameter computation
- Add kitty-gfx--validate-osc66 for protocol param validation
- Add kitty-gfx--heading-sgr for org-level-N face color extraction
- Add kitty-gfx-run-self-tests with 15+ assertions for batch testing
- Add kitty-gfx-heading-scales and kitty-gfx-heading-sizes-auto defcustoms
- Add kitty-gfx--text-sizing-support state variable
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After org-toggle-inline-images creates overlays with multi-line display
properties, posn-at-point still sees pre-overlay layout because Emacs
hasn't recomputed pixel positions yet. This caused images to appear ~4
rows too low on initial render (scrolling would fix it).
Adding (redisplay t) at the start of kitty-gfx--refresh forces a full
layout recomputation so position queries return correct values immediately.
Also includes: simplified column calculation using window-body-edges,
stderr suppression in call-process, debug state inspection commands,
and ImageMagick binary preference fixes.
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Sixel backend support is a new minor feature (new protocol, new
terminals supported, new defcustom). No breaking changes to public API.
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Introduce backend dispatch architecture so the package supports multiple
terminal graphics protocols. Existing Kitty protocol code is extracted
into a `kitty` backend; a new `sixel` backend enables ~20 additional
terminals (foot, Konsole, xterm, mlterm, mintty, VS Code Terminal).
Key changes:
- Alist-based backend dispatch (`kitty-gfx--backends`, `kitty-gfx--backend-fn`)
- Kitty backend: detect/prepare/place/delete/cleanup extracted from inline code
- Sixel backend: ImageMagick-based encoding, temp-file cache, DCS emission
- Auto-detection (`kitty-gfx--detect-protocol`): tries Kitty first, then Sixel
- `kitty-gfx-preferred-protocol` defcustom for user override (auto/kitty/sixel)
- Mode-line indicator shows active backend: [K], [S], or [?]
- Fix obsolete `when-let` → `when-let*` (zero byte-compile warnings)
All integration points (org, image-mode, shr, dired, doc-view) dispatch
through the backend interface — no mode-specific changes needed.
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When zooming in image-mode or doc-view, reuse the existing placement ID
instead of deleting and re-placing. This lets the terminal atomically
replace the old placement (same PID, new dimensions) without a delete
step, working around WezTerm rendering artifacts (wezterm#5892).
Kitty handles this perfectly. WezTerm still shows minor artifacts on
zoom-in (larger replacement) but zoom-out is clean. This is a
WezTerm-side bug.
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- LRU image cache with configurable size and eviction (kitty-gfx-cache-size)
- Cache stores only image IDs; dimensions computed fresh each time
- Leading-edge debounce for faster initial refresh response
- Targeted placement deletion on buffer/window change (no more delete-all flicker)
- Cell pixel size re-queried on window resize
- Image overflow check prevents visual corruption at window bottom
- convert-to-png returns nil on failure instead of passing non-PNG data
- unwind-protect for temp file cleanup in display-image paths
- kill-buffer-hook checks cross-buffer image sharing before deleting
- ignore-errors around all send-string-to-terminal calls
- Millisecond-precision debug logging throughout
- Dead overlay pruning in refresh cycle
- GIF removed from supported formats (multi-frame issues)
- Window-size-change hook in image-mode for split/unsplit re-render
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- Use kitty-gfx-image-mode major-mode to avoid evil-collection overriding
zoom keybindings with native image functions that fail in terminal
- Add evil normal-state bindings for +/=/-/0/q when evil is loaded
- Use special-mode-map as parent instead of image-mode-map to prevent
image-mode-window-put and image--change-size errors
- Fix centered image column calculation: detect when posn-col-row is
inflated by overlay display properties and fall back to body-left
- Clear buffer-modified-p after image-mode renders
- Add debug logging to centered display and image-mode-render paths
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Images in image-mode now display centered in the window with
+/-/0 keybindings for zoom in/out/reset.
- Add kitty-gfx--image-scale buffer-local variable
- Add kitty-gfx--image-mode-render for centered display at scale
- Add kitty-gfx-image-increase-size (1.25x per press)
- Add kitty-gfx-image-decrease-size (0.8x per press)
- Add kitty-gfx-image-reset-size (back to 1.0)
- Bind +/-/0 in the image-mode keymap
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PDFs now render via Kitty graphics in terminal doc-view-mode.
Pages display centered in the window with n/p navigation and
+/-/0 zoom controls.
- Advise doc-view-mode-p to bypass display-graphic-p guard
while preserving per-type tool availability checks
- Advise doc-view-insert-image to render pages via Kitty
using the centered display helper with zoom scale
- Advise doc-view-enlarge and doc-view-scale-reset to update
the buffer-local scale factor and re-render
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- Add kitty-gfx--display-image-centered: centers images in the
window with optional zoom scale parameter for full-window modes
- Bump kitty-gfx-max-width 80->120, kitty-gfx-max-height 24->40
- Relax refresh visibility check to only require overlay start
on screen (allows images larger than window for zoom-in)
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C-c C-x C-l now renders LaTeX fragments as images in terminal Emacs.
Bypasses org's display-graphic-p guard since the latex+dvipng pipeline
works fine without a GUI.
- Advise org-latex-preview to handle terminal color fallbacks
(unspecified-fg -> Black) and suppress clear-image-cache
- Advise org--make-preview-overlay to display generated PNGs via
kitty-gfx-display-image instead of Emacs image specs
- Add kitty-gfx--org-clear-latex-preview for C-u cleanup
- Add LaTeX test fragments to test-kitty-gfx.org
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Add fold-aware visibility detection so images disappear when their
containing heading is folded and reappear when expanded.
- Add kitty-gfx--in-folded-region-p: checks org-fold (9.6+) then
falls back to overlay-based invisibility, ignoring cosmetic
org-link bracket hiding
- Update kitty-gfx--overlay-screen-pos to skip folded overlays
- Add kitty-gfx--on-org-cycle hook: deletes terminal placements
before clearing cache, then schedules refresh
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- Query terminal cell size via CSI 16t (XTWINOPS) instead of hardcoded
8x16 fallback, giving accurate image aspect ratios
- Wrap all placement output in synchronized output (DEC mode 2026) to
eliminate flicker during scroll and redisplay
- Add native dirvish preview dispatcher (kitty-image) that hooks into
dirvish-preview-dispatchers for automatic image preview
- Improve shr/eww advice to detect actual image type from spec
- Extract kitty-gfx--refresh-overlay for cleaner refresh cycle
- Reset position cache on buffer/window change so images re-place after d=a
- Bump version to 0.2.0, update package metadata and README
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- kitty-gfx-dired-preview: preview images in a side window from dired
- image-mode: add q to quit, set buffer-read-only
- Add dired-get-file-for-visit forward declaration
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Display images in terminal Emacs via Kitty graphics protocol
with direct placements. Integrates with org-mode (including
org-link-preview for org 10.0+), image-mode, and shr/eww.
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