+
+ int range = _highest_note - _lowest_note;
+ int pixels_per_note = floor (height/range);
+
+ /* do not grow note height beyond 10 pixels */
+ if (pixels_per_note > 10) {
+
+ int available_note_range = floor ((height)/10);
+ int additional_notes = available_note_range - range;
+
+ /* distribute additional notes to higher and lower ranges, clamp at 0 and 127 */
+ for (int i = 0; i < additional_notes; i++){
+
+ if (i % 2 && _highest_note < 127){
+ _highest_note++;
+ }
+ else if (i % 2) {
+ _lowest_note--;
+ }
+ else if (_lowest_note > 0){
+ _lowest_note--;
+ }
+ else {
+ _highest_note++;
+ }
+ }
+ }
+