01: /*
02: * $Id: PDFCmd.java,v 1.2 2007/12/20 18:17:41 rbair Exp $
03: *
04: * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
05: * Santa Clara, California 95054, U.S.A. All rights reserved.
06: *
07: * This library is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU Lesser General Public
09: * License as published by the Free Software Foundation; either
10: * version 2.1 of the License, or (at your option) any later version.
11: *
12: * This library is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this library; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20: */
21:
22: package com.sun.pdfview;
23:
24: import java.awt.geom.Rectangle2D;
25:
26: /**
27: * The abstract superclass of all drawing commands for a PDFPage.
28: * @author Mike Wessler
29: */
30: public abstract class PDFCmd {
31: /**
32: * mark the page or change the graphics state
33: * @param state the current graphics state; may be modified during
34: * execution.
35: * @return the region of the page made dirty by executing this command
36: * or null if no region was touched. Note this value should be
37: * in the coordinates of the image touched, not the page.
38: */
39: public abstract Rectangle2D execute(PDFRenderer state);
40:
41: /**
42: * a human readable representation of this command
43: */
44: @Override
45: public String toString() {
46: String name = getClass().getName();
47: int lastDot = name.lastIndexOf('.');
48: if (lastDot >= 0) {
49: return name.substring(lastDot + 1);
50: } else {
51: return name;
52: }
53: }
54:
55: /**
56: * the details of this command
57: */
58: public String getDetails() {
59: return super.toString();
60: }
61: }
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