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annotate dwtx/draw2d/text/BlockBox.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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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.text.BlockBox;
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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.geometry.Rectangle;
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18 import dwtx.draw2d.text.CompositeBox;
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19 import dwtx.draw2d.text.BlockFlow;
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20 import dwtx.draw2d.text.LineRoot;
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21 import dwtx.draw2d.text.FlowBox;
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22
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23 /**
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24 * A CompositeBox suitable for containing multiple LineBox fragments.
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25 * @author hudsonr
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26 * @since 2.1
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27 */
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28 public class BlockBox
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29 : CompositeBox
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30 {
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31
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32 int height;
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33 private int y;
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34 BlockFlow owner;
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35
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36 this(BlockFlow owner) {
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37 this.owner = owner;
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38 }
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39
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40 /**
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41 * @see CompositeBox#add(FlowBox)
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42 */
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43 public void add(FlowBox box) {
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44 width = Math.max(width, box.getWidth());
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45 height = Math.max(height, box.getBaseline() + box.getDescent());
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46 }
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47
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48 /**
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49 * @see FlowBox#containsPoint(int, int)
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50 */
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51 public bool containsPoint(int x, int y) {
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52 return true;
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53 }
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54
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55 /**
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56 * @see FlowBox#getAscent()
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57 */
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58 public int getAscent() {
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59 return 0;
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60 }
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61
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62 /**
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63 * @see FlowBox#getBaseline()
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64 */
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65 public int getBaseline() {
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66 return y;
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67 }
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68
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69 int getBottomMargin() {
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70 return owner.getBottomMargin();
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71 }
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72
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73 /**
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74 * @see FlowBox#getDescent()
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75 */
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76 public int getDescent() {
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77 return height;
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78 }
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79
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80 /**
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81 * @return Returns the height.
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82 */
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83 public int getHeight() {
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84 return height;
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85 }
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86
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87 LineRoot getLineRoot() {
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88 return null;
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89 }
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90
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91 int getTopMargin() {
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92 return owner.getTopMargin();
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93 }
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94
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95 /**
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96 * Sets the height.
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97 * @param h The height
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98 */
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99 public void setHeight(int h) {
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100 height = h;
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101 }
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102
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103 /**
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104 * @see CompositeBox#setLineTop(int)
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105 */
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106 public void setLineTop(int y) {
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107 this.y = y;
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108 }
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109
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110 Rectangle toRectangle() {
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111 return new Rectangle(getX(), y, Math.max(getWidth(), recommendedWidth), height);
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112 }
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113
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114 }