| /* |
| * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| package sun.jvm.hotspot.ui; |
| |
| import java.awt.*; |
| import java.awt.font.*; |
| import java.awt.geom.*; |
| import java.util.*; |
| |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.utilities.*; |
| |
| /** This can be extended, along with AnnotatedMemoryPanel, to be an |
| arbitrarily complex mechanism, supporting user interaction, |
| etc. */ |
| |
| public class Annotation { |
| private Interval interval; |
| // List<String> |
| private java.util.List strings; |
| // List<Integer> |
| private java.util.List heights; |
| private Color baseColor; |
| private int width; |
| private int height; |
| private int x; |
| private int y; |
| |
| /** The Annotation can handle the sense of lowAddress and |
| highAddress being swapped. */ |
| public Annotation(Address lowAddress, |
| Address highAddress, |
| String s) { |
| strings = new ArrayList(); |
| heights = new ArrayList(); |
| for (StringTokenizer tok = new StringTokenizer(s, "\n"); tok.hasMoreTokens(); ) { |
| strings.add(tok.nextToken()); |
| } |
| if (AddressOps.lessThan(highAddress, lowAddress)) { |
| Address temp = lowAddress; |
| lowAddress = highAddress; |
| highAddress = temp; |
| } |
| interval = new Interval(lowAddress, highAddress); |
| } |
| |
| public Interval getInterval() { |
| return interval; |
| } |
| |
| public Address getLowAddress() { |
| return (Address) getInterval().getLowEndpoint(); |
| } |
| |
| public Address getHighAddress() { |
| return (Address) getInterval().getHighEndpoint(); |
| } |
| |
| /** Draw the annotation at its current (x, y) position with its |
| current color */ |
| public void draw(Graphics g) { |
| g.setColor(baseColor); |
| int tmpY = y; |
| for (int i = 0; i < strings.size(); i++) { |
| String s = (String) strings.get(i); |
| Integer h = (Integer) heights.get(i); |
| g.drawString(s, x, tmpY); |
| tmpY += h.intValue(); |
| } |
| } |
| |
| /** Sets the base color of this annotation. The annotation may |
| render sub-portions in a different color if desired. */ |
| public void setColor(Color c) { |
| this.baseColor = c; |
| } |
| |
| /** Returns the base color of this annotation. */ |
| public Color getColor() { |
| return baseColor; |
| } |
| |
| /** Computes width and height for this Annotation. Retrieve the |
| computed information using getWidth() and getHeight(). Separated |
| because the width and height only need to be recomputed if the |
| font changes. */ |
| public void computeWidthAndHeight(Graphics g) { |
| width = 0; |
| height = 0; |
| heights.clear(); |
| for (Iterator iter = strings.iterator(); iter.hasNext(); ) { |
| String s = (String) iter.next(); |
| Rectangle2D bounds = GraphicsUtilities.getStringBounds(s, g); |
| width = Math.max(width, (int) bounds.getWidth()); |
| height += (int) bounds.getHeight(); |
| heights.add(new Integer((int) bounds.getHeight())); |
| } |
| } |
| |
| public int getWidth() { |
| return width; |
| } |
| |
| public int getHeight() { |
| return height; |
| } |
| |
| /** Set the x and y position of this annotation */ |
| public void setXAndY(int x, int y) { |
| this.x = x; this.y = y; |
| } |
| |
| public void setX(int x) { |
| this.x = x; |
| } |
| |
| public int getX() { |
| return x; |
| } |
| |
| public void setY(int y) { |
| this.y = y; |
| } |
| |
| public int getY() { |
| return y; |
| } |
| |
| public Rectangle getBounds() { |
| return new Rectangle(x, y, width, height); |
| } |
| public String toString() { |
| String result = "Annotation: lowAddr: " + getLowAddress() + " highAddr: " + getHighAddress() + " strings: " + strings.size(); |
| for (int i = 0; i < strings.size(); i++) { |
| result += "\n" + (String) strings.get(i); |
| } |
| return result; |
| } |
| } |