1 /*
2 * File: GlobalAssistantRenderer.java
3 * Copyright (c) 2004-2007 Peter Kliem (Peter.Kliem@jaret.de)
4 * A commercial license is available, see http://www.jaret.de.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20 package de.jaret.util.ui.timebars.swt.renderer;
21
22 import org.eclipse.swt.graphics.GC;
23 import org.eclipse.swt.printing.Printer;
24
25 import de.jaret.util.ui.timebars.TimeBarViewerDelegate;
26
27 /**
28 * Interface describing a renderer that is called to do global rendering on the timebarviewer.
29 *
30 * @author Peter Kliem
31 * @version $Id: GlobalAssistantRenderer.java 800 2008-12-27 22:27:33Z kliem $
32 */
33 public interface GlobalAssistantRenderer {
34 /**
35 * Will be called before the interval rendering starts.
36 *
37 * @param delegate delegate that calls
38 * @param gc GC
39 * @param printing true for printing
40 */
41 void doRenderingBeforeIntervals(TimeBarViewerDelegate delegate, GC gc, boolean printing);
42
43 /**
44 * Will be called after the intervals have been rendered.
45 *
46 * @param delegate delegate that calls
47 * @param gc GC
48 * @param printing true for printing
49 */
50 void doRenderingLast(TimeBarViewerDelegate delegate, GC gc, boolean printing);
51
52 /**
53 * Dispose whatever has been allocated.
54 *
55 */
56 void dispose();
57
58 /**
59 * Produce a renderer for printing.
60 *
61 * @param printer printer to use
62 * @return configured renderer for printing
63 */
64 GlobalAssistantRenderer createPrintRenderer(Printer printer);
65
66 }