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annotate org.eclipse.draw2d/src/org/eclipse/draw2d/geometry/PrecisionDimension.d @ 12:bc29606a740c

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Added dwt-addons in original directory structure of eclipse.org
author Frank Benoit <benoit@tionex.de>
date Sat, 14 Mar 2009 18:23:29 +0100
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bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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1 /*******************************************************************************
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2 * Copyright (c) 2003, 2008 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.geometry.PrecisionDimension;
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15 import java.lang.all;
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16 import org.eclipse.draw2d.geometry.Dimension;
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19 /**
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20 * @author Randy Hudson
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21 */
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22 public class PrecisionDimension : Dimension {
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24 /**
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25 * The width in double precision.
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26 */
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27 public double preciseWidth_;
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28 /**
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29 * The height in double precision.
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30 */
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31 public double preciseHeight_;
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32
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33 /**
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34 * Constructs a new precision dimension.
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35 */
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36 public this() {
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37 }
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38
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39 /**
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40 * Constructs a new precision dimension with the given values.
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41 * @param width the width
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42 * @param height the height
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43 */
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44 public this(double width, double height) {
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45 preciseWidth_ = width;
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46 preciseHeight_ = height;
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47 updateInts();
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48 }
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49
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50 /**
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51 * Constructs a precision representation of the given dimension.
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52 * @param d the reference dimension
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53 */
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54 public this(Dimension d) {
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55 preciseHeight_ = d.preciseHeight();
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56 preciseWidth_ = d.preciseWidth();
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57 updateInts();
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58 }
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59
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60 /**
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61 * @see org.eclipse.draw2d.geometry.Dimension#performScale(double)
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62 */
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63 public void performScale(double factor) {
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64 preciseHeight_ *= factor;
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65 preciseWidth_ *= factor;
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66 updateInts();
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67 }
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68
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69 /**
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70 * Updates the integer fields using the precise versions.
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71 */
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72 public final void updateInts() {
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73 width = cast(int)Math.floor(preciseWidth_ + 0.000000001);
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74 height = cast(int)Math.floor(preciseHeight_ + 0.000000001);
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75 }
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76
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77 /**
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78 * @see org.eclipse.draw2d.geometry.Dimension#preciseWidth()
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79 */
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80 public double preciseWidth() {
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81 return preciseWidth_;
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82 }
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83
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84 /**
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85 * @see org.eclipse.draw2d.geometry.Dimension#preciseHeight()
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86 */
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87 public double preciseHeight() {
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88 return preciseHeight_;
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89 }
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90
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91 }