private void changeValue(final float newValue) {
value = newValue;
if (value > max) {
value = max;
} else if (newValue < min) {
value = min;
}
value = ensureStepSize(value);
if (value != oldValue) {
oldValue = value;
view.valueChanged(value);
}
}
public void setValueFromPosition(final int pixelX, final int pixelY) {
setValue(ensureStepSize(viewToWorld(view.filter(pixelX, pixelY))));
}
private float worldToView(final float worldValue) {
return (worldValue - min) / (max - min) * view.getSize();
}
private float viewToWorld(final float viewValue) {
return (viewValue / view.getSize() * (max - min)) + min;
}
public void updateView() {
view.update((int) worldToView(value));
}
