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annotate dwtx/draw2d/LineBorder.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.LineBorder;
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14
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15 import dwt.dwthelper.utils;
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16
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17
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18 import dwtx.draw2d.AbstractBorder;
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19 import dwtx.draw2d.IFigure;
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20 import dwtx.draw2d.Graphics;
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21
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22 import dwt.graphics.Color;
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23 import dwtx.draw2d.geometry.Insets;
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24
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25 /**
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26 * Provides for a line border with sides of equal widths.
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27 */
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28 public class LineBorder
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29 : AbstractBorder
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30 {
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31
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32 private int width = 1;
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33 private Color color;
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34
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35 /**
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36 * Constructs a LineBorder with the specified color and of the specified width.
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37 *
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38 * @param color The color of the border.
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39 * @param width The width of the border in pixels.
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40 * @since 2.0
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41 */
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42 public this(Color color, int width) {
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43 setColor(color);
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44 setWidth(width);
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45 }
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46
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47 /**
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48 * Constructs a LineBorder with the specified color and a width of 1 pixel.
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49 *
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50 * @param color The color of the border.
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51 * @since 2.0
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52 */
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53 public this(Color color) {
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54 this(color, 1);
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55 }
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56
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57 /**
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58 * Constructs a black LineBorder with the specified width.
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59 *
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60 * @param width The width of the border in pixels.
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61 * @since 2.0
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62 */
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63 public this(int width) {
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64 this(null, width);
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65 }
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66
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67 /**
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68 * Constructs a default black LineBorder with a width of one pixel.
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69 *
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70 * @since 2.0
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71 */
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72 public this() { }
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73
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74 /**
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75 * Returns the line color of this border.
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76 * @return The line color of this border
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77 */
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78 public Color getColor() {
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79 return color;
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80 }
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81
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82 /**
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83 * Returns the space used by the border for the figure provided as input. In this border
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84 * all sides always have equal width.
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85 * @param figure The figure this border belongs to
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86 * @return This border's insets
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87 */
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88 public Insets getInsets(IFigure figure) {
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89 return new Insets(getWidth());
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90 }
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91
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92 /**
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93 * Returns the line width of this border.
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94 * @return The line width of this border
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95 */
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96 public int getWidth() {
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97 return width;
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98 }
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99
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100 /**
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101 * Returns <code>true</code> since this border is opaque. Being opaque it is responsible
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102 * to fill in the area within its boundaries.
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103 * @return <code>true</code> since this border is opaque
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104 */
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105 public bool isOpaque() {
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106 return true;
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107 }
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108
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109 /**
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110 * @see dwtx.draw2d.Border#paint(IFigure, Graphics, Insets)
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111 */
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112 public void paint(IFigure figure, Graphics graphics, Insets insets) {
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113 tempRect.setBounds(getPaintRectangle(figure, insets));
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114 if (getWidth() % 2 is 1) {
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115 tempRect.width--;
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116 tempRect.height--;
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117 }
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118 tempRect.shrink(getWidth() / 2, getWidth() / 2);
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119 graphics.setLineWidth(getWidth());
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120 if (getColor() !is null)
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121 graphics.setForegroundColor(getColor());
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122 graphics.drawRectangle(tempRect);
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123 }
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124
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125 /**
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126 * Sets the line color for this border.
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127 * @param color The line color
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128 */
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129 public void setColor(Color color) {
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130 this.color = color;
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131 }
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132
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133 /**
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134 * Sets the line width for this border.
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135 * @param width The line width
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136 */
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137 public void setWidth(int width) {
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138 this.width = width;
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139 }
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140
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141 }