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annotate org.eclipse.jface.text/src/org/eclipse/jface/text/source/ImageUtilities.d @ 12:bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 14 Mar 2009 18:23:29 +0100 |
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1 /******************************************************************************* |
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2 * Copyright (c) 2000, 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.jface.text.source.ImageUtilities; |
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14 |
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15 import org.eclipse.jface.text.source.ISharedTextColors; // packageimport |
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16 import org.eclipse.jface.text.source.ILineRange; // packageimport |
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17 import org.eclipse.jface.text.source.IAnnotationPresentation; // packageimport |
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18 import org.eclipse.jface.text.source.IVerticalRulerInfoExtension; // packageimport |
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19 import org.eclipse.jface.text.source.ICharacterPairMatcher; // packageimport |
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20 import org.eclipse.jface.text.source.TextInvocationContext; // packageimport |
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21 import org.eclipse.jface.text.source.LineChangeHover; // packageimport |
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22 import org.eclipse.jface.text.source.IChangeRulerColumn; // packageimport |
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23 import org.eclipse.jface.text.source.IAnnotationMap; // packageimport |
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24 import org.eclipse.jface.text.source.IAnnotationModelListenerExtension; // packageimport |
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25 import org.eclipse.jface.text.source.ISourceViewerExtension2; // packageimport |
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26 import org.eclipse.jface.text.source.IAnnotationHover; // packageimport |
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27 import org.eclipse.jface.text.source.ContentAssistantFacade; // packageimport |
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28 import org.eclipse.jface.text.source.IAnnotationAccess; // packageimport |
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29 import org.eclipse.jface.text.source.IVerticalRulerExtension; // packageimport |
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30 import org.eclipse.jface.text.source.IVerticalRulerColumn; // packageimport |
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31 import org.eclipse.jface.text.source.LineNumberRulerColumn; // packageimport |
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32 import org.eclipse.jface.text.source.MatchingCharacterPainter; // packageimport |
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33 import org.eclipse.jface.text.source.IAnnotationModelExtension; // packageimport |
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34 import org.eclipse.jface.text.source.ILineDifferExtension; // packageimport |
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35 import org.eclipse.jface.text.source.DefaultCharacterPairMatcher; // packageimport |
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36 import org.eclipse.jface.text.source.LineNumberChangeRulerColumn; // packageimport |
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37 import org.eclipse.jface.text.source.IAnnotationAccessExtension; // packageimport |
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38 import org.eclipse.jface.text.source.ISourceViewer; // packageimport |
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39 import org.eclipse.jface.text.source.AnnotationModel; // packageimport |
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40 import org.eclipse.jface.text.source.ILineDifferExtension2; // packageimport |
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41 import org.eclipse.jface.text.source.IAnnotationModelListener; // packageimport |
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42 import org.eclipse.jface.text.source.IVerticalRuler; // packageimport |
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43 import org.eclipse.jface.text.source.DefaultAnnotationHover; // packageimport |
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44 import org.eclipse.jface.text.source.SourceViewer; // packageimport |
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45 import org.eclipse.jface.text.source.SourceViewerConfiguration; // packageimport |
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46 import org.eclipse.jface.text.source.AnnotationBarHoverManager; // packageimport |
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47 import org.eclipse.jface.text.source.CompositeRuler; // packageimport |
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48 import org.eclipse.jface.text.source.VisualAnnotationModel; // packageimport |
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49 import org.eclipse.jface.text.source.IAnnotationModel; // packageimport |
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50 import org.eclipse.jface.text.source.ISourceViewerExtension3; // packageimport |
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51 import org.eclipse.jface.text.source.ILineDiffInfo; // packageimport |
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52 import org.eclipse.jface.text.source.VerticalRulerEvent; // packageimport |
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53 import org.eclipse.jface.text.source.ChangeRulerColumn; // packageimport |
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54 import org.eclipse.jface.text.source.ILineDiffer; // packageimport |
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55 import org.eclipse.jface.text.source.AnnotationModelEvent; // packageimport |
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56 import org.eclipse.jface.text.source.AnnotationColumn; // packageimport |
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57 import org.eclipse.jface.text.source.AnnotationRulerColumn; // packageimport |
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58 import org.eclipse.jface.text.source.IAnnotationHoverExtension; // packageimport |
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59 import org.eclipse.jface.text.source.AbstractRulerColumn; // packageimport |
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60 import org.eclipse.jface.text.source.ISourceViewerExtension; // packageimport |
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61 import org.eclipse.jface.text.source.AnnotationMap; // packageimport |
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62 import org.eclipse.jface.text.source.IVerticalRulerInfo; // packageimport |
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63 import org.eclipse.jface.text.source.IAnnotationModelExtension2; // packageimport |
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64 import org.eclipse.jface.text.source.LineRange; // packageimport |
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65 import org.eclipse.jface.text.source.IAnnotationAccessExtension2; // packageimport |
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66 import org.eclipse.jface.text.source.VerticalRuler; // packageimport |
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67 import org.eclipse.jface.text.source.JFaceTextMessages; // packageimport |
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68 import org.eclipse.jface.text.source.IOverviewRuler; // packageimport |
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69 import org.eclipse.jface.text.source.Annotation; // packageimport |
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70 import org.eclipse.jface.text.source.IVerticalRulerListener; // packageimport |
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71 import org.eclipse.jface.text.source.ISourceViewerExtension4; // packageimport |
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72 import org.eclipse.jface.text.source.AnnotationPainter; // packageimport |
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73 import org.eclipse.jface.text.source.IAnnotationHoverExtension2; // packageimport |
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74 import org.eclipse.jface.text.source.OverviewRuler; // packageimport |
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75 import org.eclipse.jface.text.source.OverviewRulerHoverManager; // packageimport |
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76 |
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77 |
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78 import java.lang.all; |
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79 |
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80 import org.eclipse.swt.SWT; |
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81 import org.eclipse.swt.graphics.FontMetrics; |
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82 import org.eclipse.swt.graphics.GC; |
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83 import org.eclipse.swt.graphics.Image; |
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84 import org.eclipse.swt.graphics.Rectangle; |
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85 import org.eclipse.swt.widgets.Canvas; |
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86 |
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87 /** |
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88 * Provides methods for drawing images onto a canvas. |
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89 * <p> |
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90 * This class is neither intended to be instantiated nor subclassed. |
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91 * </p> |
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92 * |
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93 * @since 3.0 |
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94 * @noinstantiate This class is not intended to be instantiated by clients. |
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95 * @noextend This class is not intended to be subclassed by clients. |
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96 */ |
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97 public class ImageUtilities { |
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98 |
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99 /** |
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100 * Draws an image aligned inside the given rectangle on the given canvas. |
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101 * |
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102 * @param image the image to be drawn |
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103 * @param gc the drawing GC |
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104 * @param canvas the canvas on which to draw |
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105 * @param r the clipping rectangle |
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106 * @param halign the horizontal alignment of the image to be drawn |
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107 * @param valign the vertical alignment of the image to be drawn |
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108 */ |
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109 public static void drawImage(Image image, GC gc, Canvas canvas, Rectangle r, int halign, int valign) { |
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110 if (image !is null) { |
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111 |
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112 Rectangle bounds= image.getBounds(); |
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113 |
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114 int x= 0; |
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115 switch(halign) { |
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116 case SWT.LEFT: |
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117 break; |
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118 case SWT.CENTER: |
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119 x= (r.width - bounds.width) / 2; |
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120 break; |
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121 case SWT.RIGHT: |
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122 x= r.width - bounds.width; |
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123 break; |
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124 default: |
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125 } |
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126 |
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127 int y= 0; |
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128 switch (valign) { |
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129 case SWT.TOP: { |
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130 FontMetrics fontMetrics= gc.getFontMetrics(); |
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131 y= (fontMetrics.getHeight() - bounds.height)/2; |
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132 break; |
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133 } |
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134 case SWT.CENTER: |
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135 y= (r.height - bounds.height) / 2; |
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136 break; |
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137 case SWT.BOTTOM: { |
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138 FontMetrics fontMetrics= gc.getFontMetrics(); |
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139 y= r.height - (fontMetrics.getHeight() + bounds.height)/2; |
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140 break; |
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141 } |
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142 default: |
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143 } |
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144 |
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145 gc.drawImage(image, r.x+x, r.y+y); |
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146 } |
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147 } |
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148 |
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149 /** |
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150 * Draws an image aligned inside the given rectangle on the given canvas. |
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151 * |
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152 * @param image the image to be drawn |
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153 * @param gc the drawing GC |
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154 * @param canvas the canvas on which to draw |
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155 * @param r the clipping rectangle |
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156 * @param align the alignment of the image to be drawn |
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157 */ |
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158 public static void drawImage(Image image, GC gc, Canvas canvas, Rectangle r, int align_) { |
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159 drawImage(image, gc, canvas, r, align_, SWT.CENTER); |
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160 } |
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161 } |