Files
test/sexp_effects/effects/neon_glow.sexp
gilesb 95fcc67dcc Add generic streaming interpreter with configurable sources/audio
- Add stream_sexp_generic.py: fully generic sexp interpreter
- Add streaming primitives for video sources and audio analysis
- Add config system for external sources and audio files
- Add templates for reusable scans and macros
- Fix video/audio stream mapping in file output
- Add dynamic source cycling based on sources array length
- Remove old Python effect files (migrated to sexp)
- Update sexp effects to use namespaced primitives

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-02-02 17:48:04 +00:00

24 lines
1.0 KiB
Common Lisp

;; Neon Glow effect - glowing edge effect
(require-primitives "image" "blending")
(define-effect neon_glow
:params (
(edge_low :type int :default 50 :range [10 200])
(edge_high :type int :default 150 :range [50 300])
(glow_radius :type int :default 15 :range [1 50])
(glow_intensity :type int :default 2 :range [0.5 5])
(background :type float :default 0.3 :range [0 1])
)
(let* ((edge-img (image:edge-detect frame edge_low edge_high))
(glow (image:blur edge-img glow_radius))
;; Intensify the glow
(bright-glow (map-pixels glow
(lambda (x y c)
(rgb (clamp (* (red c) glow_intensity) 0 255)
(clamp (* (green c) glow_intensity) 0 255)
(clamp (* (blue c) glow_intensity) 0 255))))))
(blending:blend-mode (blending:blend-images frame (make-image (image:width frame) (image:height frame) (list 0 0 0))
(- 1 background))
bright-glow
"screen")))