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feat(color): warmth and brightness filters with a tinted pointer (#288) - #300

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Maxaubert merged 21 commits into
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feat/288-colour-filters
Sep 30, 2026
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feat(color): warmth and brightness filters with a tinted pointer (#288)#300
Maxaubert merged 21 commits into
mainfrom
feat/288-colour-filters

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@Maxaubert Maxaubert commented Sep 30, 2026 •
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Closes #288.

Two sliders in a new Colour section: Warmth and Brightness, always applied while set (off by default).

  • Warmth follows Night light's scale: 6500 K at 0% to 1200 K at 100%, linear in Kelvin, using CIE 1931 blackbody gains. Under HDR the DWM colour effect works on LINEAR light (measured), so the gains are applied linearly there and encoded in SDR; the render engine's shader matches.
  • Brightness goes down to 1% (0 was completely black).
  • The hardware pointer is not reached by the DWM effect, so at 1x Wind swaps the system pointers for tinted copies (src/cursor_tint.*, pure pixel code tested) and restores the real scheme when idle; zoom-in swaps directly (about 1 ms).
  • The render engine's drawn pointer and outline are filtered too; the colour follows whichever engine is visible; HDR state is re-read at 1 Hz and on display changes.
  • Accepted trade-off (CLAUDE.md): while either slider is on, the Magnification runtime is held at 1x.

Research and measurements: docs/COLOUR-FILTER-FINDINGS.md (HDR linear light, Night light's registry scale, how f.lux/Iris/Night light tint, the RTSS crash). Spec and plan under docs/superpowers/.

The Settings crash recovery was split out and shipped as #298 (0.13.2); main is merged in, so this PR is the colour work only.

Tests: 375 unit, 72 Playwright. Verified on the owner's HDR display (Warmth 100%: green x0.074, blue 0; Brightness 50%: x0.214 linear; tinted pointer readback), and running in the owner's tested build since.
Version 0.14.0.

🤖 Generated with Claude Code

https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG

Maxaubert and others added 21 commits September 29, 2026 18:49
@Maxaubert @claude
docs(color): colour filters spec + plan (#288)
3c7d945 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
feat(color): pure colour matrices + spike findings (#288)
0f8f7f6 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
feat(config): colour filter keys (#288)
6a540ed 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
feat(color): colour filter controller, RunTick wiring, render shader …
7d11c4e 
…path, toggle hotkey (#288)

Transform and 1x use the DWM colour effect; a render session clears it and
applies the same matrix in its pixel shader (its capture already contains
the effect). The controller dedupes and holds a runtime only while a filter
is on. Optional toggle hotkey (RegisterHotKey, hot-reloaded).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
feat(ui): Colour settings section; version 0.12.0 (#288)
d53134f 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
fix(color): Night-light warm curve (6500-1200 K), brightness down to …
8b73e57 
…5% (#288)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
feat(color): warmth and brightness sliders only, always applied (#288)
83d916e 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
fix(color): brightness down to 1% (#288)
569ab62 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
fix(color): Night-light warmth (CIE blackbody, 6500-1200 K linear in …
cf286b4 
…Kelvin), linear light under HDR, brightness to 0 (#288)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
feat(settings): recover from a WebView2 crash and keep unsaved edits
fc4340e 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
fix(settings): a fresh page can no longer overwrite the draft it is a…
6134b65 
…bout to get back

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
docs(color): HDR linear-light finding, Night light scale, RTSS crash …
be13d3b 
…and recovery

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
fix(color): brightness floor back to 1% (0 was completely black) (#288)
daa9508 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
feat(color): tint the system pointers at 1x while warmth/brightness i…
01db99a 
…s on (#288)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
fix(color): idle restores reload the real pointer scheme; only zoom-i…
99ccb09 
…n swaps copies (#288)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
docs(color): the tinted pointer, verified (#288)
b7276fb 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
docs(color): how f.lux, Iris and Night light apply their tint (research)
9ca59c1 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
fix(color): review fixes: render pointer/outline filtered, colour fol…
0ad0687 
…lows the visible engine, HDR re-read, tint scheme flag (#288)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert @claude
fix(settings): recovery review fixes: closable after give-up, slow pa…
2f5c196 
…ges left alone, no onboarding re-entry, controller failure recovered

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KPUNAWcwghXdHCApcKKjSG
@Maxaubert
Merge remote-tracking branch 'origin/main' into feat/288-colour-filters
1f78673 
# Conflicts:
#	src/main.cpp
#	src/version.h
#	tests/test_config.cpp
#	ui/tests/settings.spec.js
@Maxaubert
Merge remote-tracking branch 'origin/main' into feat/288-colour-filters
88e5943 
# Conflicts:
#	src/version.h
@Maxaubert
Maxaubert merged commit 5abe4a1 into main Sep 30, 2026
1 check passed
@Maxaubert
Maxaubert deleted the feat/288-colour-filters branch September 30, 2026 15:51
@Maxaubert Maxaubert mentioned this pull request Sep 30, 2026
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Colour filters: invert, greyscale, high contrast, custom tints

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@Maxaubert