Mercurial > projects > dwt2

comparison org.eclipse.jface.text/src/org/eclipse/jface/text/source/ImageUtilities.d @ 12:bc29606a740c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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
parents
children
comparison
equal deleted inserted replaced
11:43904fec5dca 12:bc29606a740c
1 /*******************************************************************************
2 * Copyright (c) 2000, 2008 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 *******************************************************************************/
13 module org.eclipse.jface.text.source.ImageUtilities;
14
15 import org.eclipse.jface.text.source.ISharedTextColors; // packageimport
16 import org.eclipse.jface.text.source.ILineRange; // packageimport
17 import org.eclipse.jface.text.source.IAnnotationPresentation; // packageimport
18 import org.eclipse.jface.text.source.IVerticalRulerInfoExtension; // packageimport
19 import org.eclipse.jface.text.source.ICharacterPairMatcher; // packageimport
20 import org.eclipse.jface.text.source.TextInvocationContext; // packageimport
21 import org.eclipse.jface.text.source.LineChangeHover; // packageimport
22 import org.eclipse.jface.text.source.IChangeRulerColumn; // packageimport
23 import org.eclipse.jface.text.source.IAnnotationMap; // packageimport
24 import org.eclipse.jface.text.source.IAnnotationModelListenerExtension; // packageimport
25 import org.eclipse.jface.text.source.ISourceViewerExtension2; // packageimport
26 import org.eclipse.jface.text.source.IAnnotationHover; // packageimport
27 import org.eclipse.jface.text.source.ContentAssistantFacade; // packageimport
28 import org.eclipse.jface.text.source.IAnnotationAccess; // packageimport
29 import org.eclipse.jface.text.source.IVerticalRulerExtension; // packageimport
30 import org.eclipse.jface.text.source.IVerticalRulerColumn; // packageimport
31 import org.eclipse.jface.text.source.LineNumberRulerColumn; // packageimport
32 import org.eclipse.jface.text.source.MatchingCharacterPainter; // packageimport
33 import org.eclipse.jface.text.source.IAnnotationModelExtension; // packageimport
34 import org.eclipse.jface.text.source.ILineDifferExtension; // packageimport
35 import org.eclipse.jface.text.source.DefaultCharacterPairMatcher; // packageimport
36 import org.eclipse.jface.text.source.LineNumberChangeRulerColumn; // packageimport
37 import org.eclipse.jface.text.source.IAnnotationAccessExtension; // packageimport
38 import org.eclipse.jface.text.source.ISourceViewer; // packageimport
39 import org.eclipse.jface.text.source.AnnotationModel; // packageimport
40 import org.eclipse.jface.text.source.ILineDifferExtension2; // packageimport
41 import org.eclipse.jface.text.source.IAnnotationModelListener; // packageimport
42 import org.eclipse.jface.text.source.IVerticalRuler; // packageimport
43 import org.eclipse.jface.text.source.DefaultAnnotationHover; // packageimport
44 import org.eclipse.jface.text.source.SourceViewer; // packageimport
45 import org.eclipse.jface.text.source.SourceViewerConfiguration; // packageimport
46 import org.eclipse.jface.text.source.AnnotationBarHoverManager; // packageimport
47 import org.eclipse.jface.text.source.CompositeRuler; // packageimport
48 import org.eclipse.jface.text.source.VisualAnnotationModel; // packageimport
49 import org.eclipse.jface.text.source.IAnnotationModel; // packageimport
50 import org.eclipse.jface.text.source.ISourceViewerExtension3; // packageimport
51 import org.eclipse.jface.text.source.ILineDiffInfo; // packageimport
52 import org.eclipse.jface.text.source.VerticalRulerEvent; // packageimport
53 import org.eclipse.jface.text.source.ChangeRulerColumn; // packageimport
54 import org.eclipse.jface.text.source.ILineDiffer; // packageimport
55 import org.eclipse.jface.text.source.AnnotationModelEvent; // packageimport
56 import org.eclipse.jface.text.source.AnnotationColumn; // packageimport
57 import org.eclipse.jface.text.source.AnnotationRulerColumn; // packageimport
58 import org.eclipse.jface.text.source.IAnnotationHoverExtension; // packageimport
59 import org.eclipse.jface.text.source.AbstractRulerColumn; // packageimport
60 import org.eclipse.jface.text.source.ISourceViewerExtension; // packageimport
61 import org.eclipse.jface.text.source.AnnotationMap; // packageimport
62 import org.eclipse.jface.text.source.IVerticalRulerInfo; // packageimport
63 import org.eclipse.jface.text.source.IAnnotationModelExtension2; // packageimport
64 import org.eclipse.jface.text.source.LineRange; // packageimport
65 import org.eclipse.jface.text.source.IAnnotationAccessExtension2; // packageimport
66 import org.eclipse.jface.text.source.VerticalRuler; // packageimport
67 import org.eclipse.jface.text.source.JFaceTextMessages; // packageimport
68 import org.eclipse.jface.text.source.IOverviewRuler; // packageimport
69 import org.eclipse.jface.text.source.Annotation; // packageimport
70 import org.eclipse.jface.text.source.IVerticalRulerListener; // packageimport
71 import org.eclipse.jface.text.source.ISourceViewerExtension4; // packageimport
72 import org.eclipse.jface.text.source.AnnotationPainter; // packageimport
73 import org.eclipse.jface.text.source.IAnnotationHoverExtension2; // packageimport
74 import org.eclipse.jface.text.source.OverviewRuler; // packageimport
75 import org.eclipse.jface.text.source.OverviewRulerHoverManager; // packageimport
76
77
78 import java.lang.all;
79
80 import org.eclipse.swt.SWT;
81 import org.eclipse.swt.graphics.FontMetrics;
82 import org.eclipse.swt.graphics.GC;
83 import org.eclipse.swt.graphics.Image;
84 import org.eclipse.swt.graphics.Rectangle;
85 import org.eclipse.swt.widgets.Canvas;
86
87 /**
88 * Provides methods for drawing images onto a canvas.
89 * <p>
90 * This class is neither intended to be instantiated nor subclassed.
91 * </p>
92 *
93 * @since 3.0
94 * @noinstantiate This class is not intended to be instantiated by clients.
95 * @noextend This class is not intended to be subclassed by clients.
96 */
97 public class ImageUtilities {
98
99 /**
100 * Draws an image aligned inside the given rectangle on the given canvas.
101 *
102 * @param image the image to be drawn
103 * @param gc the drawing GC
104 * @param canvas the canvas on which to draw
105 * @param r the clipping rectangle
106 * @param halign the horizontal alignment of the image to be drawn
107 * @param valign the vertical alignment of the image to be drawn
108 */
109 public static void drawImage(Image image, GC gc, Canvas canvas, Rectangle r, int halign, int valign) {
110 if (image !is null) {
111
112 Rectangle bounds= image.getBounds();
113
114 int x= 0;
115 switch(halign) {
116 case SWT.LEFT:
117 break;
118 case SWT.CENTER:
119 x= (r.width - bounds.width) / 2;
120 break;
121 case SWT.RIGHT:
122 x= r.width - bounds.width;
123 break;
124 default:
125 }
126
127 int y= 0;
128 switch (valign) {
129 case SWT.TOP: {
130 FontMetrics fontMetrics= gc.getFontMetrics();
131 y= (fontMetrics.getHeight() - bounds.height)/2;
132 break;
133 }
134 case SWT.CENTER:
135 y= (r.height - bounds.height) / 2;
136 break;
137 case SWT.BOTTOM: {
138 FontMetrics fontMetrics= gc.getFontMetrics();
139 y= r.height - (fontMetrics.getHeight() + bounds.height)/2;
140 break;
141 }
142 default:
143 }
144
145 gc.drawImage(image, r.x+x, r.y+y);
146 }
147 }
148
149 /**
150 * Draws an image aligned inside the given rectangle on the given canvas.
151 *
152 * @param image the image to be drawn
153 * @param gc the drawing GC
154 * @param canvas the canvas on which to draw
155 * @param r the clipping rectangle
156 * @param align the alignment of the image to be drawn
157 */
158 public static void drawImage(Image image, GC gc, Canvas canvas, Rectangle r, int align_) {
159 drawImage(image, gc, canvas, r, align_, SWT.CENTER);
160 }
161 }