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annotate org.eclipse.draw2d/src/org/eclipse/draw2d/AbstractBorder.d @ 104:88652073d1c2

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More work on icu
author Frank Benoit <benoit@tionex.de>
date Sat, 02 May 2009 11:27:24 +0200
parents bc29606a740c
children
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module org.eclipse.draw2d.AbstractBorder;
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14
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15 import java.lang.all;
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16
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17 import org.eclipse.draw2d.Border;
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18 import org.eclipse.draw2d.IFigure;
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19
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20 import org.eclipse.draw2d.geometry.Dimension;
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21 import org.eclipse.draw2d.geometry.Insets;
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22 import org.eclipse.draw2d.geometry.Rectangle;
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23
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24 /**
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25 * Provides generic support for borders.
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26 * @author hudsonr
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27 */
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28 public abstract class AbstractBorder
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29 : Border
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30 {
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31
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32 private static Dimension EMPTY_;
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33 private static Dimension EMPTY(){
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34 if( EMPTY_ is null ){
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35 synchronized( AbstractBorder.classinfo ){
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36 if( EMPTY_ is null ){
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37 EMPTY_ = new Dimension();
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38 }
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39 }
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40 }
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41 return EMPTY_;
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42 }
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43
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44 /** A temporary Rectangle*/
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45 private static Rectangle tempRect_;
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46 protected static Rectangle tempRect(){
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47 if( tempRect_ is null ){
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48 synchronized( AbstractBorder.classinfo ){
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49 if( tempRect_ is null ){
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50 tempRect_ = new Rectangle();
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51 }
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52 }
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53 }
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54 return tempRect_;
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55 }
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56
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57 /**
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58 * Returns a temporary rectangle representing the figure's bounds cropped by the specified
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59 * insets. This method exists for convenience and performance; the method does not new
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60 * any Objects and returns a rectangle which the caller can manipulate.
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61 * @since 2.0
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62 * @param figure Figure for which the paintable rectangle is needed
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63 * @param insets The insets
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64 * @return The paintable region on the Figure f
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65 */
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66 protected static final Rectangle getPaintRectangle(IFigure figure, Insets insets) {
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67 tempRect.setBounds(figure.getBounds());
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68 return tempRect.crop(insets);
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69 }
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70
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71 /**
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72 * @see org.eclipse.draw2d.Border#getPreferredSize(IFigure)
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73 */
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74 public Dimension getPreferredSize(IFigure f) {
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75 return EMPTY;
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76 }
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77
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78 /**
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79 * @see org.eclipse.draw2d.Border#isOpaque()
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80 */
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81 public bool isOpaque() {
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82 return false;
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83 }
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84
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85 }