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annotate visualizer/Util/src/com/sun/hotspot/igv/util/ExtendedSatelliteComponent.java @ 9971:390df0b3eefe

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Refactor CompressedOopTest
author Christos Kotselidis <christos.kotselidis@oracle.com>
date Mon, 10 Jun 2013 11:06:58 +0200
parents 015fb895586b
children
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1 /*
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2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24 package com.sun.hotspot.igv.util;
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25
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26 import java.awt.*;
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27 import java.awt.event.*;
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28 import javax.swing.JComponent;
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29 import org.netbeans.api.visual.widget.Scene;
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30
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31 /**
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32 * @author David Kaspar
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33 * @author Thomas Wuerthinger
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34 */
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35 public class ExtendedSatelliteComponent extends JComponent implements MouseListener, MouseMotionListener, Scene.SceneListener, ComponentListener {
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36
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37 private Scene scene;
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38 private Image image;
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39 private int imageWidth;
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40 private int imageHeight;
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41
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42 public ExtendedSatelliteComponent(Scene scene) {
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43 this.scene = scene;
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44 setDoubleBuffered(true);
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45 setPreferredSize(new Dimension(128, 128));
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46 addMouseListener(this);
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47 addMouseMotionListener(this);
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48 }
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49
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50 @Override
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51 public void addNotify() {
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52 super.addNotify();
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53 scene.addSceneListener(this);
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54 JComponent viewComponent = scene.getView();
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55 if (viewComponent == null) {
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56 viewComponent = scene.createView();
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57 }
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58 viewComponent.addComponentListener(this);
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59 repaint();
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60 }
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61
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62 @Override
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63 public void removeNotify() {
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64 scene.getView().removeComponentListener(this);
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65 scene.removeSceneListener(this);
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66 super.removeNotify();
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67 }
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68
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69 public void update() {
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70 this.image = null;
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71 repaint();
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72 }
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73
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74 @Override
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75 public void paint(Graphics g) {
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76 Graphics2D gr = (Graphics2D) g;
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77 super.paint(g);
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78 Rectangle bounds = scene.getBounds();
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79 Dimension size = getSize();
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80
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81 double sx = bounds.width > 0 ? (double) size.width / bounds.width : 0.0;
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82 double sy = bounds.width > 0 ? (double) size.height / bounds.height : 0.0;
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83 double scale = Math.min(sx, sy);
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84
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85 int vw = (int) (scale * bounds.width);
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86 int vh = (int) (scale * bounds.height);
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87 int vx = (size.width - vw) / 2;
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88 int vy = (size.height - vh) / 2;
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89
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90
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91 if (image == null || vw != imageWidth || vh != imageHeight) {
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92
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93 imageWidth = vw;
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94 imageHeight = vh;
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95 image = this.createImage(imageWidth, imageHeight);
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96 Graphics2D ig = (Graphics2D) image.getGraphics();
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97 ig.scale(scale, scale);
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98 scene.paint(ig);
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99 }
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100
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101 gr.drawImage(image, vx, vy, this);
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102
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103 JComponent component = scene.getView();
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104 double zoomFactor = scene.getZoomFactor();
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105 Rectangle viewRectangle = component != null ? component.getVisibleRect() : null;
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106 if (viewRectangle != null) {
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107 Rectangle window = new Rectangle(
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108 (int) ((double) viewRectangle.x * scale / zoomFactor),
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109 (int) ((double) viewRectangle.y * scale / zoomFactor),
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110 (int) ((double) viewRectangle.width * scale / zoomFactor),
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111 (int) ((double) viewRectangle.height * scale / zoomFactor));
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112 window.translate(vx, vy);
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113 gr.setColor(new Color(200, 200, 200, 128));
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114 gr.fill(window);
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115 gr.setColor(Color.BLACK);
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116 gr.drawRect(window.x, window.y, window.width - 1, window.height - 1);
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117 }
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118 }
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119
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120 @Override
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121 public void mouseClicked(MouseEvent e) {
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122 }
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123
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124 @Override
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125 public void mousePressed(MouseEvent e) {
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126 moveVisibleRect(e.getPoint());
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127 }
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128
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129 @Override
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130 public void mouseReleased(MouseEvent e) {
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131 moveVisibleRect(e.getPoint());
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132 }
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133
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134 @Override
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135 public void mouseEntered(MouseEvent e) {
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136 }
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137
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138 @Override
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139 public void mouseExited(MouseEvent e) {
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140 }
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141
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142 @Override
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143 public void mouseDragged(MouseEvent e) {
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144 moveVisibleRect(e.getPoint());
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145 }
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146
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147 @Override
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148 public void mouseMoved(MouseEvent e) {
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149 }
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150
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151 private void moveVisibleRect(Point center) {
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152 JComponent component = scene.getView();
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153 if (component == null) {
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154 return;
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155 }
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156 double zoomFactor = scene.getZoomFactor();
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157 Rectangle bounds = scene.getBounds();
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158 Dimension size = getSize();
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159
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160 double sx = bounds.width > 0 ? (double) size.width / bounds.width : 0.0;
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161 double sy = bounds.width > 0 ? (double) size.height / bounds.height : 0.0;
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162 double scale = Math.min(sx, sy);
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163
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164 int vw = (int) (scale * bounds.width);
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165 int vh = (int) (scale * bounds.height);
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166 int vx = (size.width - vw) / 2;
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167 int vy = (size.height - vh) / 2;
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168
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169 int cx = (int) ((double) (center.x - vx) / scale * zoomFactor);
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170 int cy = (int) ((double) (center.y - vy) / scale * zoomFactor);
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171
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172 Rectangle visibleRect = component.getVisibleRect();
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173 visibleRect.x = cx - visibleRect.width / 2;
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174 visibleRect.y = cy - visibleRect.height / 2;
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175 component.scrollRectToVisible(visibleRect);
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176
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177 }
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178
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179 @Override
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180 public void sceneRepaint() {
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181 }
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182
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183 @Override
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184 public void sceneValidating() {
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185 }
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186
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187 @Override
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188 public void sceneValidated() {
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189 }
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190
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191 @Override
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192 public void componentResized(ComponentEvent e) {
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193 repaint();
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194 }
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195
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196 @Override
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197 public void componentMoved(ComponentEvent e) {
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198 repaint();
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199 }
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200
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201 @Override
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202 public void componentShown(ComponentEvent e) {
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203 }
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204
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205 @Override
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206 public void componentHidden(ComponentEvent e) {
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207 }
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208 }