1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.g2d.elementclass;
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14 import java.awt.Shape;
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15 import java.awt.geom.AffineTransform;
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16 import java.awt.geom.Rectangle2D;
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18 import org.simantics.g2d.element.ElementClass;
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19 import org.simantics.g2d.element.ElementHints;
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20 import org.simantics.g2d.element.ElementUtils;
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21 import org.simantics.g2d.element.IElement;
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22 import org.simantics.g2d.element.SceneGraphNodeKey;
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23 import org.simantics.g2d.element.handler.InternalSize;
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24 import org.simantics.g2d.element.handler.Outline;
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25 import org.simantics.g2d.element.handler.Resize;
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26 import org.simantics.g2d.element.handler.SceneGraph;
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27 import org.simantics.g2d.element.handler.impl.DefaultTransform;
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28 import org.simantics.g2d.image.Image;
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29 import org.simantics.scenegraph.Node;
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30 import org.simantics.scenegraph.g2d.G2DParentNode;
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31 import org.simantics.scenegraph.g2d.IG2DNode;
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32 import org.simantics.utils.datastructures.hints.IHintContext.Key;
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35 * See {@link ElementHints}.KEY_IMAGE
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37 * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
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38 * @author Tuukka Lehtonen
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40 public class ImageClass {
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42 public static final ElementClass INSTANCE =
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43 ElementClass.compile(
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44 ImageElementHandler.INSTANCE,
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45 DefaultTransform.INSTANCE
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48 public static class ImageElementHandler implements SceneGraph, InternalSize, Resize, Outline {
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50 private static final long serialVersionUID = 7980198654721917029L;
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52 public static final ImageElementHandler INSTANCE = new ImageElementHandler();
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54 public static final Key KEY_SG_NODE = new SceneGraphNodeKey(Node.class, "IMAGE_SG_NODE");
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56 protected Image getImage(IElement e) {
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57 Image i = e.getHint(ElementHints.KEY_IMAGE);
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59 throw new IllegalStateException("element " + e + " has no ElementHints.KEY_IMAGE hint");
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63 protected Key getNodeKey() {
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68 public void init(final IElement e, final G2DParentNode parent) {
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69 Image i = getImage(e);
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70 Node node = i.init(parent);
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72 e.setHint(getNodeKey(), node);
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73 if(node instanceof IG2DNode) {
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74 IG2DNode n = (IG2DNode)node;
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75 AffineTransform at = ElementUtils.getTransform(e);
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77 n.setTransform(at); // FIXME: not tested..
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82 public void cleanup(final IElement e) {
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83 Node node = e.removeHint(getNodeKey());
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89 public Rectangle2D getBounds(IElement e, Rectangle2D size) {
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90 Image i = getImage(e);
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91 Rectangle2D r = i.getBounds();
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93 size = new Rectangle2D.Double();
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99 public Double getFixedAspectRatio(IElement e) {
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100 Image i = getImage(e);
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101 Rectangle2D r = i.getBounds();
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102 return r.getWidth() / r.getHeight();
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106 public Rectangle2D getMaximumSize(IElement e) {
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107 Image i = getImage(e);
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108 return i.getBounds();
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112 public Rectangle2D getMinimumSize(IElement e) {
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113 Image i = getImage(e);
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114 return i.getBounds();
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118 public void resize(IElement e, Rectangle2D newSize) {
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122 public Shape getElementShape(IElement e) {
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123 Image i = getImage(e);
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124 return i.getOutline();
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129 public static class StaticImageElementHandler extends ImageElementHandler {
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130 private static final long serialVersionUID = 7691329107125520049L;
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132 public static final Key KEY_SG_NODE = new SceneGraphNodeKey(Node.class, "STATIC_IMAGE_SG_NODE");
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134 private final Image i;
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136 public StaticImageElementHandler(Image i) {
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141 protected Image getImage(IElement e) {
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146 protected Key getNodeKey() {
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147 return KEY_SG_NODE;
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