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annotate visualizer/Util/src/com/sun/hotspot/igv/util/ExtendedSatelliteComponent.java @ 12740:ad2434911b69
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author | Christos Kotselidis <christos.kotselidis@oracle.com> |
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date | Sat, 09 Nov 2013 21:33:31 +0100 |
parents | 015fb895586b |
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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 } |