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Improve performance, UX, and code quality

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- Replace Python pixel loop with NumPy vectorized HSV processing (~50-100x faster overlay rebuilds)
- Add OverlayCanvas (QGraphicsView) to replace plain QLabel overlay panel
- Add editable QLineEdit value input to SliderControl (supports typing exact values)
- Implement eyedropper pick-from-image: left-click sets hue/sat/val sliders from pixel colour
- Add keyboard shortcuts: Ctrl+O, Ctrl+Shift+O, Ctrl+S, Ctrl+Z, Ctrl+R, arrow keys, Esc
- Add drag-and-drop support for image files and folders
- Persist and restore window geometry via QSettings
- Remove duplicate _CONFIG_DATA load in constants.py
- Remove dead constructor stylesheet from ToolbarButton
- Add numpy>=1.26 dependency
This commit is contained in:
lm
2026-03-10 16:07:52 +01:00
parent 2d4531013d
commit 78af24103c
40 changed files with 309 additions and 88 deletions
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app/logic/constants.py
-2
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@@ -108,8 +108,6 @@ def _extract_options(data: dict[str, Any]) -> dict[str, Any]:
return result
_CONFIG_DATA = _load_config_data()
DEFAULTS = {**_DEFAULTS_BASE, **_extract_default_overrides(_CONFIG_DATA)}
LANGUAGE = _extract_language(_CONFIG_DATA)
OPTIONS = {**_OPTION_DEFAULTS, **_extract_options(_CONFIG_DATA)}