| 1 | /*
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| 2 | * SVG Salamander
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| 3 | * Copyright (c) 2004, Mark McKay
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or
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| 7 | * without modification, are permitted provided that the following
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| 8 | * conditions are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above
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| 11 | * copyright notice, this list of conditions and the following
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| 12 | * disclaimer.
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| 13 | * - Redistributions in binary form must reproduce the above
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| 14 | * copyright notice, this list of conditions and the following
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| 15 | * disclaimer in the documentation and/or other materials
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| 16 | * provided with the distribution.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 19 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 20 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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| 21 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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| 22 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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| 23 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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| 24 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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| 25 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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| 27 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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| 29 | * OF THE POSSIBILITY OF SUCH DAMAGE.
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| 30 | *
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| 31 | * Mark McKay can be contacted at mark@kitfox.com. Salamander and other
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| 32 | * projects can be found at http://www.kitfox.com
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| 33 | *
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| 34 | * Created on January 26, 2004, 1:56 AM
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| 35 | */
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| 36 | package com.kitfox.svg;
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| 37 |
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| 38 | import com.kitfox.svg.xml.StyleAttribute;
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| 39 | import java.awt.Color;
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| 40 |
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| 41 | /**
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| 42 | * @author Mark McKay
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| 43 | * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
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| 44 | */
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| 45 | public class Stop extends SVGElement
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| 46 | {
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| 47 |
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| 48 | public static final String TAG_NAME = "stop";
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| 49 | float offset = 0f;
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| 50 | float opacity = 1f;
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| 51 | Color color = Color.black;
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| 52 |
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| 53 | /**
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| 54 | * Creates a new instance of Stop
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| 55 | */
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| 56 | public Stop()
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| 57 | {
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| 58 | }
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| 59 |
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| 60 | @Override
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| 61 | public String getTagName()
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| 62 | {
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| 63 | return TAG_NAME;
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| 64 | }
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| 65 |
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| 66 | @Override
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| 67 | protected void build() throws SVGException
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| 68 | {
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| 69 | super.build();
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| 70 |
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| 71 | StyleAttribute sty = new StyleAttribute();
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| 72 |
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| 73 | if (getPres(sty.setName("offset")))
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| 74 | {
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| 75 | offset = sty.getFloatValue();
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| 76 | String units = sty.getUnits();
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| 77 | if (units != null && units.equals("%"))
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| 78 | {
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| 79 | offset /= 100f;
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| 80 | }
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| 81 | if (offset > 1)
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| 82 | {
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| 83 | offset = 1;
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| 84 | }
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| 85 | if (offset < 0)
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| 86 | {
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| 87 | offset = 0;
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| 88 | }
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| 89 | }
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| 90 |
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| 91 | if (getStyle(sty.setName("stop-color")))
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| 92 | {
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| 93 | color = sty.getColorValue();
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| 94 | }
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| 95 |
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| 96 | if (getStyle(sty.setName("stop-opacity")))
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| 97 | {
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| 98 | opacity = sty.getRatioValue();
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| 99 | }
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| 100 | }
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| 101 |
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| 102 | /**
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| 103 | * Updates all attributes in this diagram associated with a time event. Ie,
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| 104 | * all attributes with track information.
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| 105 | *
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| 106 | * @return - true if this node has changed state as a result of the time
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| 107 | * update
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| 108 | */
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| 109 | @Override
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| 110 | public boolean updateTime(double curTime) throws SVGException
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| 111 | {
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| 112 | // if (trackManager.getNumTracks() == 0) return false;
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| 113 |
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| 114 | //Get current values for parameters
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| 115 | StyleAttribute sty = new StyleAttribute();
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| 116 | boolean shapeChange = false;
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| 117 |
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| 118 | if (getPres(sty.setName("offset")))
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| 119 | {
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| 120 | float newVal = sty.getFloatValue();
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| 121 | if (newVal != offset)
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| 122 | {
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| 123 | offset = newVal;
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| 124 | shapeChange = true;
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| 125 | }
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| 126 | }
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| 127 |
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| 128 | if (getStyle(sty.setName("stop-color")))
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| 129 | {
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| 130 | Color newVal = sty.getColorValue();
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| 131 | if (newVal != color)
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| 132 | {
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| 133 | color = newVal;
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| 134 | shapeChange = true;
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| 135 | }
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| 136 | }
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| 137 |
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| 138 | if (getStyle(sty.setName("stop-opacity")))
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| 139 | {
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| 140 | float newVal = sty.getFloatValue();
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| 141 | if (newVal != opacity)
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| 142 | {
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| 143 | opacity = newVal;
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| 144 | shapeChange = true;
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| 145 | }
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| 146 | }
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| 147 |
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| 148 | return shapeChange;
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| 149 | }
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| 150 | }
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