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Add feature flag (kitty-gfx-use-pre-redisplay) to compare
post-command-hook vs pre-redisplay-functions as the scheduling
trigger for image refresh. Includes instrumentation counters
(trigger count, skipped count) logged per refresh cycle for
quantitative comparison.
Results: pre-redisplay-functions fires ~36x more often than
post-command-hook for identical user activity (3176 vs 89 refresh
cycles in comparable sessions). Emacs redraws far more often than
users run commands (cursor blink, timers, internal redraws), and
pre-redisplay-functions fires per-window on every redisplay.
The current post-command-hook approach remains superior.
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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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- Add org LaTeX preview and doc-view to integrations list
- Add usage instructions for LaTeX (C-c C-x C-l) and doc-view
(n/p navigation, +/-/0 zoom)
- Update customization table: max-width 120, max-height 40
- Add LaTeX (texlive+dvipng) and doc-view (ghostscript) to
requirements
- Note doc-view centering flash as known limitation
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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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- Move test-image.png, test-kitty-gfx.org to tests/
- Add test-document.pdf (3-page PDF for doc-view testing)
- Add .envrc for nix flake dev environment
- Update .gitignore (ltximg/, Emacs lock files, AGENTS.md)
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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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