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annotate dwtx/draw2d/AbstractBorder.d @ 98:95307ad235d9

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Added Draw2d code, still work in progress
author Frank Benoit <benoit@tionex.de>
date Sun, 03 Aug 2008 00:52:14 +0200
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children 2d6540440fe6
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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 dwtx.draw2d.AbstractBorder;
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14
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15 import dwt.dwthelper.utils;
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16
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17 import dwtx.draw2d.Border;
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18 import dwtx.draw2d.IFigure;
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19
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20 import dwtx.draw2d.geometry.Dimension;
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21 import dwtx.draw2d.geometry.Insets;
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22 import dwtx.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 const Dimension EMPTY;
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33
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34 /** A temporary Rectangle*/
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35 protected static Rectangle tempRect;
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36
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37 static this(){
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38 EMPTY = new Dimension();
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39 tempRect = new Rectangle();
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40 }
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41
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42 /**
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43 * Returns a temporary rectangle representing the figure's bounds cropped by the specified
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44 * insets. This method exists for convenience and performance; the method does not new
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45 * any Objects and returns a rectangle which the caller can manipulate.
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46 * @since 2.0
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47 * @param figure Figure for which the paintable rectangle is needed
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48 * @param insets The insets
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49 * @return The paintable region on the Figure f
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50 */
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51 protected static final Rectangle getPaintRectangle(IFigure figure, Insets insets) {
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52 tempRect.setBounds(figure.getBounds());
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53 return tempRect.crop(insets);
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54 }
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55
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56 /**
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57 * @see dwtx.draw2d.Border#getPreferredSize(IFigure)
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58 */
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59 public Dimension getPreferredSize(IFigure f) {
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60 return EMPTY;
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61 }
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62
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63 /**
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64 * @see dwtx.draw2d.Border#isOpaque()
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65 */
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66 public bool isOpaque() {
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67 return false;
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68 }
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69
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70 }