[4256] | 1 | /*
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[6002] | 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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[4256] | 5 | *
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[6002] | 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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[4256] | 9 | *
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[6002] | 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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[4256] | 17 | *
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[6002] | 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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[4256] | 33 | *
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| 34 | * Created on January 26, 2004, 5:25 PM
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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.Graphics2D;
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| 40 | import java.awt.Shape;
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| 41 | import java.awt.geom.Line2D;
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| 42 | import java.awt.geom.Rectangle2D;
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| 43 |
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| 44 | /**
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| 45 | * @author Mark McKay
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| 46 | * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
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| 47 | */
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[6002] | 48 | public class Line extends ShapeElement
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| 49 | {
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| 50 | public static final String TAG_NAME = "line";
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| 51 |
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[4256] | 52 | float x1 = 0f;
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| 53 | float y1 = 0f;
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| 54 | float x2 = 0f;
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| 55 | float y2 = 0f;
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| 56 | Line2D.Float line;
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| 57 |
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[6002] | 58 | /**
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| 59 | * Creates a new instance of Rect
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| 60 | */
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| 61 | public Line()
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| 62 | {
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[4256] | 63 | }
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| 64 |
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[6002] | 65 | public String getTagName()
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[4256] | 66 | {
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[6002] | 67 | return TAG_NAME;
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| 68 | }
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[4256] | 69 |
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| 70 | protected void build() throws SVGException
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| 71 | {
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| 72 | super.build();
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[6002] | 73 |
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[4256] | 74 | StyleAttribute sty = new StyleAttribute();
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| 75 |
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[6002] | 76 | if (getPres(sty.setName("x1")))
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| 77 | {
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| 78 | x1 = sty.getFloatValueWithUnits();
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| 79 | }
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[4256] | 80 |
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[6002] | 81 | if (getPres(sty.setName("y1")))
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| 82 | {
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| 83 | y1 = sty.getFloatValueWithUnits();
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| 84 | }
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[4256] | 85 |
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[6002] | 86 | if (getPres(sty.setName("x2")))
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| 87 | {
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| 88 | x2 = sty.getFloatValueWithUnits();
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| 89 | }
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[4256] | 90 |
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[6002] | 91 | if (getPres(sty.setName("y2")))
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| 92 | {
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| 93 | y2 = sty.getFloatValueWithUnits();
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| 94 | }
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| 95 |
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[4256] | 96 | line = new Line2D.Float(x1, y1, x2, y2);
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| 97 | }
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| 98 |
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| 99 | public void render(Graphics2D g) throws SVGException
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| 100 | {
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| 101 | beginLayer(g);
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| 102 | renderShape(g, line);
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| 103 | finishLayer(g);
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| 104 | }
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| 105 |
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| 106 | public Shape getShape()
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| 107 | {
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| 108 | return shapeToParent(line);
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| 109 | }
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| 110 |
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| 111 | public Rectangle2D getBoundingBox() throws SVGException
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| 112 | {
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| 113 | return boundsToParent(includeStrokeInBounds(line.getBounds2D()));
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| 114 | }
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| 115 |
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| 116 | /**
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[6002] | 117 | * Updates all attributes in this diagram associated with a time event. Ie,
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| 118 | * all attributes with track information.
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| 119 | *
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[4256] | 120 | * @return - true if this node has changed state as a result of the time
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| 121 | * update
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| 122 | */
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| 123 | public boolean updateTime(double curTime) throws SVGException
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| 124 | {
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| 125 | // if (trackManager.getNumTracks() == 0) return false;
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| 126 | boolean changeState = super.updateTime(curTime);
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| 127 |
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| 128 | //Get current values for parameters
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| 129 | StyleAttribute sty = new StyleAttribute();
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| 130 | boolean shapeChange = false;
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[6002] | 131 |
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[4256] | 132 | if (getPres(sty.setName("x1")))
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| 133 | {
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| 134 | float newVal = sty.getFloatValueWithUnits();
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| 135 | if (newVal != x1)
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| 136 | {
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| 137 | x1 = newVal;
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| 138 | shapeChange = true;
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| 139 | }
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| 140 | }
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| 141 |
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| 142 | if (getPres(sty.setName("y1")))
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| 143 | {
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| 144 | float newVal = sty.getFloatValueWithUnits();
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| 145 | if (newVal != y1)
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| 146 | {
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| 147 | y1 = newVal;
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| 148 | shapeChange = true;
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| 149 | }
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| 150 | }
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| 151 |
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| 152 | if (getPres(sty.setName("x2")))
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| 153 | {
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| 154 | float newVal = sty.getFloatValueWithUnits();
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| 155 | if (newVal != x2)
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| 156 | {
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| 157 | x2 = newVal;
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| 158 | shapeChange = true;
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| 159 | }
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| 160 | }
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| 161 |
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| 162 | if (getPres(sty.setName("y2")))
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| 163 | {
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| 164 | float newVal = sty.getFloatValueWithUnits();
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| 165 | if (newVal != y2)
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| 166 | {
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| 167 | y2 = newVal;
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| 168 | shapeChange = true;
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| 169 | }
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| 170 | }
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| 171 |
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| 172 | if (shapeChange)
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| 173 | {
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| 174 | build();
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| 175 | }
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[6002] | 176 |
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[4256] | 177 | return changeState || shapeChange;
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| 178 | }
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| 179 | }
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