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75 lines
2.0 KiB
75 lines
2.0 KiB
/*
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* Copyright 2010 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.levien.synthesizer.core.model;
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/**
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* SynthesizerInput provides a frequency or signal that doesn't inherently change over time.
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* It can change occasionally as the user turns a knob or whatever, but doesn't change on its own.
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*/
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public class SynthesizerInput implements FrequencyProvider, SignalProvider {
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/**
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* Creates a new SynthesizerInput that will return value as both a frequency and a signal.
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*/
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public SynthesizerInput(double value, double min, double max) {
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value_ = value;
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min_ = min;
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max_ = max;
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}
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/**
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* Returns the input value as a log of frequency.
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* @return the value.
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*/
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public synchronized double getLogFrequency(SynthesisTime time) {
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return value_;
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}
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/**
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* Returns the input value as a signal.
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* @return the value.
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*/
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public synchronized double getValue(SynthesisTime time) {
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return value_;
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}
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/**
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* Returns the input value.
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* @return the value.
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*/
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public synchronized double getSynthesizerInputValue() {
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return value_;
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}
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/**
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* Sets the input to a new value.
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* @param value - the new value.
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*/
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public synchronized void setValue(double value) {
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value_ = value;
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}
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/**
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* Sets the input based on an unsigned byte value in the range 0 to 127.
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*/
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public synchronized void setByteValue(byte value) {
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value_ = min_ + (value / 127.0) * (max_ - min_);
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}
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private double min_;
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private double max_;
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private double value_;
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}
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