diff options
| author | Thomas White <taw@physics.org> | 2021-04-18 12:19:19 +0200 |
|---|---|---|
| committer | Thomas White <taw@physics.org> | 2021-04-18 12:58:53 +0200 |
| commit | 3860d3872e69c7fa89015d74ea552cc25fe6e8d7 (patch) | |
| tree | caa24b7039b3f744153cc085d3f1b47bd8ed9895 /guile/starlet/midi-control/faders.scm | |
| parent | f02b353e84d4fea27630216dca8a8c7aa144b77d (diff) | |
Special case colour components for MIDI faders
Diffstat (limited to 'guile/starlet/midi-control/faders.scm')
| -rw-r--r-- | guile/starlet/midi-control/faders.scm | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/guile/starlet/midi-control/faders.scm b/guile/starlet/midi-control/faders.scm index 0b8f3d7..d0f9ab2 100644 --- a/guile/starlet/midi-control/faders.scm +++ b/guile/starlet/midi-control/faders.scm @@ -73,7 +73,7 @@ fixture-list attrs))) (define (clamp-to-attr-range attr-obj val) - (let ((r (get-attr-range attr-obj))) + (let ((r (get-attr-range-maybe-colour attr-obj))) (max (car r) (min (cadr r) val)))) @@ -111,11 +111,16 @@ fixtures old-vals))))))) +(define (get-attr-range-maybe-colour attr-obj) + (if (colour-attribute? attr-obj) + '(0 100) + (get-attr-range attr-obj))) + (define (fader-congruent vals attrs) (mean (map (lambda (val attr) (scale-to-range val - (get-attr-range attr) + (get-attr-range-maybe-colour attr) '(0 127))) vals attrs))) @@ -124,7 +129,7 @@ attrs congruent-val) (map (lambda (initial-val attr) - (let ((attr-max (cadr (get-attr-range attr)))) + (let ((attr-max (cadr (get-attr-range-maybe-colour attr)))) (if (< congruent-val 127) (/ (- attr-max initial-val) (- 127 congruent-val)) @@ -137,7 +142,7 @@ attrs congruent-val) (map (lambda (initial-val attr) - (let ((attr-min (car (get-attr-range attr)))) + (let ((attr-min (car (get-attr-range-maybe-colour attr)))) (if (> congruent-val 0) (/ (- initial-val attr-min) congruent-val) |