[8084] | 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, 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.Ellipse2D;
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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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| 48 | public class Circle extends ShapeElement
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| 49 | {
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| 50 |
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| 51 | public static final String TAG_NAME = "circle";
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| 52 | float cx = 0f;
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| 53 | float cy = 0f;
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| 54 | float r = 0f;
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| 55 | Ellipse2D.Float circle = new Ellipse2D.Float();
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| 56 |
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| 57 | /**
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| 58 | * Creates a new instance of Rect
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| 59 | */
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| 60 | public Circle()
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| 61 | {
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| 62 | }
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| 63 |
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[11525] | 64 | @Override
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[8084] | 65 | public String getTagName()
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| 66 | {
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| 67 | return TAG_NAME;
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| 68 | }
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| 69 |
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[11525] | 70 | @Override
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[8084] | 71 | protected void build() throws SVGException
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| 72 | {
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| 73 | super.build();
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| 74 |
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| 75 | StyleAttribute sty = new StyleAttribute();
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| 76 |
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| 77 | if (getPres(sty.setName("cx")))
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| 78 | {
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| 79 | cx = sty.getFloatValueWithUnits();
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| 80 | }
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| 81 |
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| 82 | if (getPres(sty.setName("cy")))
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| 83 | {
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| 84 | cy = sty.getFloatValueWithUnits();
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| 85 | }
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| 86 |
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| 87 | if (getPres(sty.setName("r")))
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| 88 | {
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| 89 | r = sty.getFloatValueWithUnits();
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| 90 | }
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| 91 |
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| 92 | circle.setFrame(cx - r, cy - r, r * 2f, r * 2f);
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| 93 | }
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| 94 |
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[11525] | 95 | @Override
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[8084] | 96 | public void render(Graphics2D g) throws SVGException
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| 97 | {
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| 98 | beginLayer(g);
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| 99 | renderShape(g, circle);
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| 100 | finishLayer(g);
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| 101 | }
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| 102 |
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[11525] | 103 | @Override
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[8084] | 104 | public Shape getShape()
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| 105 | {
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| 106 | return shapeToParent(circle);
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| 107 | }
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| 108 |
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[11525] | 109 | @Override
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[8084] | 110 | public Rectangle2D getBoundingBox() throws SVGException
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| 111 | {
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| 112 | return boundsToParent(includeStrokeInBounds(circle.getBounds2D()));
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| 113 | }
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| 114 |
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| 115 | /**
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| 116 | * Updates all attributes in this diagram associated with a time event. Ie,
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| 117 | * all attributes with track information.
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| 118 | *
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| 119 | * @return - true if this node has changed state as a result of the time
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| 120 | * update
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| 121 | */
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[11525] | 122 | @Override
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[8084] | 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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| 131 |
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| 132 | if (getPres(sty.setName("cx")))
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| 133 | {
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| 134 | float newVal = sty.getFloatValueWithUnits();
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| 135 | if (newVal != cx)
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| 136 | {
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| 137 | cx = 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("cy")))
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| 143 | {
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| 144 | float newVal = sty.getFloatValueWithUnits();
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| 145 | if (newVal != cy)
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| 146 | {
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| 147 | cy = 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("r")))
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| 153 | {
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| 154 | float newVal = sty.getFloatValueWithUnits();
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| 155 | if (newVal != r)
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| 156 | {
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| 157 | r = 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 (shapeChange)
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| 163 | {
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| 164 | build();
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| 165 | // circle.setFrame(cx - r, cy - r, r * 2f, r * 2f);
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| 166 | // return true;
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| 167 | }
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| 168 |
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| 169 | return changeState || shapeChange;
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| 170 | }
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| 171 | }
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