curves:PointwiseFilter< { blue:{ default:readonly[readonly[0,0],readonly[1,1]]; description:"Applied to blue only, after the RGB curve."; label:"Blue"; type:"curve"; }; green:{ default:readonly[readonly[0,0],readonly[1,1]]; description:"Applied to green only, after the RGB curve."; label:"Green"; type:"curve"; }; red:{ default:readonly[readonly[0,0],readonly[1,1]]; description:"Applied to red only, after the RGB curve."; label:"Red"; type:"curve"; }; rgb:{ default:readonly[readonly[0,0],readonly[1,1]]; description:"The curve for all channels together: brightness and contrast."; label:"RGB"; type:"curve"; }; }, > = ...
Tone curves in sRGB-encoded (perceptual) units on straight colour, like a photo editor's curve
tool: the RGB curve first, then the per-channel curves. Monotone cubic through the points;
outside [0, 1] curves extend linearly, so HDR values survive the identity.
Tone curves in sRGB-encoded (perceptual) units on straight colour, like a photo editor's curve tool: the RGB curve first, then the per-channel curves. Monotone cubic through the points; outside [0, 1] curves extend linearly, so HDR values survive the identity.