Squashed 'l1/' content from commit 670aa58

git-subtree-dir: l1
git-subtree-split: 670aa582df99e87fca7c247b949baf452e8c234f

sexp_effects/effects/color-adjust.sexp

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+;; Color adjustment effect - replaces TRANSFORM node
+(require-primitives "color_ops")
+
+(define-effect color-adjust
+  :params (
+    (brightness :type int :default 0 :range [-255 255] :desc "Brightness adjustment")
+    (contrast :type float :default 1 :range [0 3] :desc "Contrast multiplier")
+    (saturation :type float :default 1 :range [0 2] :desc "Saturation multiplier")
+  )
+  (-> frame
+      (color_ops:adjust-brightness brightness)
+      (color_ops:adjust-contrast contrast)
+      (color_ops:adjust-saturation saturation)))