1 /* 2 * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package com.sun.media.sound; 26 27 import java.util.Arrays; 28 29 /** 30 * Connection blocks are used to connect source variable 31 * to a destination variable. 32 * For example Note On velocity can be connected to output gain. 33 * In DLS this is called articulator and in SoundFonts (SF2) a modulator. 34 * 35 * @author Karl Helgason 36 */ 37 public final class ModelConnectionBlock { 38 39 // 40 // source1 * source2 * scale -> destination 41 // 42 private final static ModelSource[] no_sources = new ModelSource[0]; 43 private ModelSource[] sources = no_sources; 44 private double scale = 1; 45 private ModelDestination destination; 46 47 public ModelConnectionBlock() { 48 } 49 50 public ModelConnectionBlock(double scale, ModelDestination destination) { 51 this.scale = scale; 52 this.destination = destination; 53 } 54 55 public ModelConnectionBlock(ModelSource source, 56 ModelDestination destination) { 57 if (source != null) { 58 this.sources = new ModelSource[1]; 59 this.sources[0] = source; 60 } 61 this.destination = destination; 62 } 63 64 public ModelConnectionBlock(ModelSource source, double scale, 65 ModelDestination destination) { 66 if (source != null) { 67 this.sources = new ModelSource[1]; 68 this.sources[0] = source; 69 } 70 this.scale = scale; 71 this.destination = destination; 72 } 73 74 public ModelConnectionBlock(ModelSource source, ModelSource control, 75 ModelDestination destination) { 76 if (source != null) { 77 if (control == null) { 78 this.sources = new ModelSource[1]; 79 this.sources[0] = source; 80 } else { 81 this.sources = new ModelSource[2]; 82 this.sources[0] = source; 83 this.sources[1] = control; 84 } 85 } 86 this.destination = destination; 87 } 88 89 public ModelConnectionBlock(ModelSource source, ModelSource control, 90 double scale, ModelDestination destination) { 91 if (source != null) { 92 if (control == null) { 93 this.sources = new ModelSource[1]; 94 this.sources[0] = source; 95 } else { 96 this.sources = new ModelSource[2]; 97 this.sources[0] = source; 98 this.sources[1] = control; 99 } 100 } 101 this.scale = scale; 102 this.destination = destination; 103 } 104 105 public ModelDestination getDestination() { 106 return destination; 107 } 108 109 public void setDestination(ModelDestination destination) { 110 this.destination = destination; 111 } 112 113 public double getScale() { 114 return scale; 115 } 116 117 public void setScale(double scale) { 118 this.scale = scale; 119 } 120 121 public ModelSource[] getSources() { 122 return Arrays.copyOf(sources, sources.length); 123 } 124 125 public void setSources(ModelSource[] source) { 126 this.sources = source == null ? no_sources : Arrays.copyOf(source, source.length); 127 } 128 129 public void addSource(ModelSource source) { 130 ModelSource[] oldsources = sources; 131 sources = new ModelSource[oldsources.length + 1]; 132 System.arraycopy(oldsources, 0, sources, 0, oldsources.length); 133 sources[sources.length - 1] = source; 134 } 135 }