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.Rectangle2D;
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17 import org.simantics.g2d.diagram.handler.PickRequest.PickPolicy;
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18 import org.simantics.g2d.element.IElement;
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19 import org.simantics.g2d.element.handler.InternalSize;
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20 import org.simantics.g2d.element.handler.Pick;
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21 import org.simantics.g2d.element.handler.SceneGraph;
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22 import org.simantics.g2d.image.Image;
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23 import org.simantics.g2d.utils.GeometryUtils;
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24 import org.simantics.scenegraph.g2d.G2DParentNode;
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25 import org.simantics.utils.datastructures.cache.IProvider;
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26 import org.simantics.utils.datastructures.cache.StaticProvider;
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29 * Handles pick and painting of paintable symbols
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31 * @author Toni Kalajainen
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33 public class PaintableSymbolHandler implements SceneGraph, Pick, InternalSize {
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35 private static final long serialVersionUID = 8612101011132309291L;
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37 private final Rectangle2D rect;
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38 private final Double ratio;
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39 private final Image ps;
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41 private final IProvider<Image> symbolProvider;
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43 public PaintableSymbolHandler(Image symbol)
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45 this.symbolProvider = StaticProvider.provide(symbol);
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46 ps = symbolProvider.get();
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47 rect = ps.getBounds();
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48 ratio = rect.getWidth() / rect.getHeight();
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51 public PaintableSymbolHandler(IProvider<Image> symbolProvider)
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53 this.symbolProvider = symbolProvider;
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54 ps = symbolProvider.get();
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55 rect = ps.getBounds();
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56 ratio = rect.getWidth() / rect.getHeight();
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61 public void cleanup(IElement e) {
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65 public void init(IElement e, G2DParentNode parent) {
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66 System.out.println("PaintableSymbolHandler.paint()");
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67 // Graphics2D g = elementGC.getGraphics2D();
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68 // Image ps = ctx.getSingleItem(SymbolUtil.class).get(symbolProvider, g.getDeviceConfiguration());
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69 // ps.paint(elementGC);
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73 public boolean pickTest(IElement e, Shape s, PickPolicy policy) {
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74 Shape outline = ps.getOutline();
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75 if (policy == PickPolicy.PICK_CONTAINED_OBJECTS)
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76 return GeometryUtils.contains(s, outline);
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77 if (policy == PickPolicy.PICK_INTERSECTING_OBJECTS)
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78 return GeometryUtils.intersects(s, outline);
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79 throw new RuntimeException("Unimplemented");
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83 public Rectangle2D getBounds(IElement e, Rectangle2D size) {
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84 if (size==null) size = new Rectangle2D.Double();
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85 size.setFrame(rect);
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