2 * Jalview - A Sequence Alignment Editor and Viewer
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3 * Copyright (C) 2006 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
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5 * This program is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU General Public License
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7 * as published by the Free Software Foundation; either version 2
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8 * of the License, or (at your option) any later version.
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program; if not, write to the Free Software
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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19 package jalview.gui;
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21 import jalview.datamodel.*;
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23 import jalview.math.*;
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26 import java.awt.event.*;
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30 import javax.swing.*;
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37 * @version $Revision$
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39 public class RotatableCanvas extends JPanel implements MouseListener,
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40 MouseMotionListener, KeyListener
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42 RotatableMatrix idmat = new RotatableMatrix(3, 3);
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43 RotatableMatrix objmat = new RotatableMatrix(3, 3);
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44 RotatableMatrix rotmat = new RotatableMatrix(3, 3);
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46 //RubberbandRectangle rubberband;
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47 boolean drawAxes = true;
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55 float[] centre = new float[3];
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56 float[] width = new float[3];
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57 float[] max = new float[3];
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58 float[] min = new float[3];
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73 float scalefactor = 1;
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75 boolean showLabels = false;
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76 Color bgColour = Color.black;
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78 // Controller controller;
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79 public RotatableCanvas(AlignViewport av)
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84 public void showLabels(boolean b)
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90 public void setPoints(Vector points, int npoint)
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92 this.points = points;
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93 this.npoint = npoint;
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94 ToolTipManager.sharedInstance().registerComponent(this);
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95 ToolTipManager.sharedInstance().setInitialDelay(0);
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96 ToolTipManager.sharedInstance().setDismissDelay(10000);
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97 PaintRefresher.Register(this, av.getSequenceSetId());
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99 prefsize = getPreferredSize();
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100 orig = new float[npoint][3];
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102 for (int i = 0; i < npoint; i++)
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104 SequencePoint sp = (SequencePoint) points.elementAt(i);
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106 for (int j = 0; j < 3; j++)
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108 orig[i][j] = sp.coord[j];
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112 //Initialize the matrices to identity
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113 for (int i = 0; i < 3; i++)
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115 for (int j = 0; j < 3; j++)
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119 idmat.addElement(i, j, 0);
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120 objmat.addElement(i, j, 0);
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121 rotmat.addElement(i, j, 0);
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125 idmat.addElement(i, j, 0);
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126 objmat.addElement(i, j, 0);
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127 rotmat.addElement(i, j, 0);
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132 axes = new float[3][3];
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138 scale = findScale();
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140 addMouseListener(this);
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142 addMouseMotionListener(this);
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146 public void initAxes()
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148 for (int i = 0; i < 3; i++)
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150 for (int j = 0; j < 3; j++)
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167 public void findWidth()
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169 max = new float[3];
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170 min = new float[3];
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172 max[0] = (float) -1e30;
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173 max[1] = (float) -1e30;
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174 max[2] = (float) -1e30;
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176 min[0] = (float) 1e30;
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177 min[1] = (float) 1e30;
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178 min[2] = (float) 1e30;
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180 for (int i = 0; i < 3; i++)
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182 for (int j = 0; j < npoint; j++)
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184 SequencePoint sp = (SequencePoint) points.elementAt(j);
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186 if (sp.coord[i] >= max[i])
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188 max[i] = sp.coord[i];
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191 if (sp.coord[i] <= min[i])
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193 min[i] = sp.coord[i];
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198 // System.out.println("xmax " + max[0] + " min " + min[0]);
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199 //System.out.println("ymax " + max[1] + " min " + min[1]);
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200 //System.out.println("zmax " + max[2] + " min " + min[2]);
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201 width[0] = Math.abs(max[0] - min[0]);
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202 width[1] = Math.abs(max[1] - min[1]);
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203 width[2] = Math.abs(max[2] - min[2]);
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205 maxwidth = width[0];
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207 if (width[1] > width[0])
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209 maxwidth = width[1];
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212 if (width[2] > width[1])
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214 maxwidth = width[2];
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217 //System.out.println("Maxwidth = " + maxwidth);
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223 * @return DOCUMENT ME!
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225 public float findScale()
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231 if (getWidth() != 0)
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233 width = getWidth();
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234 height = getHeight();
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238 width = prefsize.width;
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239 height = prefsize.height;
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242 if (width < height)
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251 return (float) ((dim * scalefactor) / (2 * maxwidth));
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257 public void findCentre()
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259 //Find centre coordinate
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262 centre[0] = (max[0] + min[0]) / 2;
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263 centre[1] = (max[1] + min[1]) / 2;
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264 centre[2] = (max[2] + min[2]) / 2;
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266 // System.out.println("Centre x " + centre[0]);
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267 //System.out.println("Centre y " + centre[1]);
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268 //System.out.println("Centre z " + centre[2]);
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274 * @return DOCUMENT ME!
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276 public Dimension getPreferredSize()
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278 if (prefsize != null)
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284 return new Dimension(400, 400);
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291 * @return DOCUMENT ME!
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293 public Dimension getMinimumSize()
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295 return getPreferredSize();
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301 * @param g DOCUMENT ME!
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303 public void paintComponent(Graphics g1)
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306 Graphics2D g = (Graphics2D) g1;
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308 g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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309 RenderingHints.VALUE_ANTIALIAS_ON);
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312 g.setFont(new Font("Verdana", Font.PLAIN, 18));
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313 g.drawString("Calculating PCA....", 20, getHeight()/2);
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317 //Only create the image at the beginning -
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318 if ( (img == null) || (prefsize.width != getWidth()) ||
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319 (prefsize.height != getHeight()))
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321 prefsize.width = getWidth();
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322 prefsize.height = getHeight();
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324 scale = findScale();
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326 // System.out.println("New scale = " + scale);
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327 img = createImage(getWidth(), getHeight());
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328 ig = img.getGraphics();
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332 drawBackground(ig, bgColour);
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335 if (drawAxes == true)
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340 g.drawImage(img, 0, 0, this);
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347 * @param g DOCUMENT ME!
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349 public void drawAxes(Graphics g)
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352 g.setColor(Color.yellow);
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354 for (int i = 0; i < 3; i++)
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356 g.drawLine(getWidth() / 2, getHeight() / 2,
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357 (int) ((axes[i][0] * scale * max[0]) + (getWidth() / 2)),
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358 (int) ((axes[i][1] * scale * max[1]) + (getHeight() / 2)));
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365 * @param g DOCUMENT ME!
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366 * @param col DOCUMENT ME!
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368 public void drawBackground(Graphics g, Color col)
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371 g.fillRect(0, 0, prefsize.width, prefsize.height);
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377 * @param g DOCUMENT ME!
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379 public void drawScene(Graphics g1)
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382 Graphics2D g = (Graphics2D) g1;
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384 g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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385 RenderingHints.VALUE_ANTIALIAS_ON);
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388 int halfwidth = getWidth() / 2;
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389 int halfheight = getHeight() / 2;
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391 for (int i = 0; i < npoint; i++)
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393 SequencePoint sp = (SequencePoint) points.elementAt(i);
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394 int x = (int) ((float) (sp.coord[0] - centre[0]) * scale) +
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396 int y = (int) ((float) (sp.coord[1] - centre[1]) * scale) +
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398 float z = sp.coord[1] - centre[2];
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400 if (av.getSequenceColour(sp.sequence) == Color.black)
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402 g.setColor(Color.white);
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406 g.setColor(av.getSequenceColour(sp.sequence));
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409 if (av.getSelectionGroup() != null)
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411 if (av.getSelectionGroup().getSequences(false).contains(
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412 ((SequencePoint) points.elementAt(i)).sequence))
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414 g.setColor(Color.gray);
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420 g.setColor(g.getColor().darker());
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423 g.fillRect(x - 3, y - 3, 6, 6);
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426 g.setColor(Color.red);
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427 g.drawString( ( (SequencePoint) points.elementAt(i)).sequence.
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433 // //Now the rectangle
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434 // if (rectx2 != -1 && recty2 != -1) {
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435 // g.setColor(Color.white);
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437 // g.drawRect(rectx1,recty1,rectx2-rectx1,recty2-recty1);
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444 * @return DOCUMENT ME!
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446 public Dimension minimumsize()
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454 * @return DOCUMENT ME!
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456 public Dimension preferredsize()
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464 * @param evt DOCUMENT ME!
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466 public void keyTyped(KeyEvent evt)
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473 * @param evt DOCUMENT ME!
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475 public void keyReleased(KeyEvent evt)
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482 * @param evt DOCUMENT ME!
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484 public void keyPressed(KeyEvent evt)
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486 if (evt.getKeyCode() == KeyEvent.VK_UP)
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488 scalefactor = (float) (scalefactor * 1.1);
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489 scale = findScale();
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491 else if (evt.getKeyCode() == KeyEvent.VK_DOWN)
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493 scalefactor = (float) (scalefactor * 0.9);
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494 scale = findScale();
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496 else if (evt.getKeyChar() == 's')
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498 System.err.println("DEBUG: Rectangle selection"); // log.debug
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500 if ((rectx2 != -1) && (recty2 != -1))
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502 rectSelect(rectx1, recty1, rectx2, recty2);
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513 * @param evt DOCUMENT ME!
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515 public void mouseClicked(MouseEvent evt)
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522 * @param evt DOCUMENT ME!
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524 public void mouseEntered(MouseEvent evt)
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531 * @param evt DOCUMENT ME!
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533 public void mouseExited(MouseEvent evt)
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540 * @param evt DOCUMENT ME!
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542 public void mouseReleased(MouseEvent evt)
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549 * @param evt DOCUMENT ME!
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551 public void mousePressed(MouseEvent evt)
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553 int x = evt.getX();
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554 int y = evt.getY();
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571 SequenceI found = findPoint(x, y);
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575 if (av.getSelectionGroup() != null)
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577 av.getSelectionGroup().addOrRemove(found, true);
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578 PaintRefresher.Refresh(this, av.getSequenceSetId());
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582 av.setSelectionGroup(new SequenceGroup());
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583 av.getSelectionGroup().addOrRemove(found, true);
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584 av.getSelectionGroup().setEndRes(av.alignment.getWidth()-1);
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591 // private void fireSequenceSelectionEvent(Selection sel) {
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592 // controller.handleSequenceSelectionEvent(new SequenceSelectionEvent(this,sel));
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594 public void mouseMoved(MouseEvent evt)
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596 SequenceI found = findPoint(evt.getX(), evt.getY());
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600 this.setToolTipText(found.getName());
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604 this.setToolTipText(null);
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611 * @param evt DOCUMENT ME!
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613 public void mouseDragged(MouseEvent evt)
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618 //Check if this is a rectangle drawing drag
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619 if ((evt.getModifiers() & InputEvent.BUTTON2_MASK) != 0)
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621 // rectx2 = evt.getX();
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622 // recty2 = evt.getY();
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626 rotmat.setIdentity();
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628 rotmat.rotate((float) (my - omy), 'x');
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629 rotmat.rotate((float) (mx - omx), 'y');
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631 for (int i = 0; i < npoint; i++)
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633 SequencePoint sp = (SequencePoint) points.elementAt(i);
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634 sp.coord[0] -= centre[0];
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635 sp.coord[1] -= centre[1];
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636 sp.coord[2] -= centre[2];
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638 //Now apply the rotation matrix
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639 sp.coord = rotmat.vectorMultiply(sp.coord);
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641 //Now translate back again
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642 sp.coord[0] += centre[0];
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643 sp.coord[1] += centre[1];
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644 sp.coord[2] += centre[2];
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647 for (int i = 0; i < 3; i++)
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649 axes[i] = rotmat.vectorMultiply(axes[i]);
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655 paint(this.getGraphics());
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662 * @param x1 DOCUMENT ME!
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663 * @param y1 DOCUMENT ME!
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664 * @param x2 DOCUMENT ME!
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665 * @param y2 DOCUMENT ME!
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667 public void rectSelect(int x1, int y1, int x2, int y2)
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669 for (int i = 0; i < npoint; i++)
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671 SequencePoint sp = (SequencePoint) points.elementAt(i);
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672 int tmp1 = (int) (((sp.coord[0] - centre[0]) * scale) +
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673 ((float) getWidth() / 2.0));
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674 int tmp2 = (int) (((sp.coord[1] - centre[1]) * scale) +
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675 ((float) getHeight() / 2.0));
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677 if ((tmp1 > x1) && (tmp1 < x2) && (tmp2 > y1) && (tmp2 < y2))
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681 if (!av.getSelectionGroup().getSequences(false).contains(sp.sequence))
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683 av.getSelectionGroup().addSequence(sp.sequence, true);
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689 // if (changedSel) {
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690 // fireSequenceSelectionEvent(av.getSelection());
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697 * @param x DOCUMENT ME!
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698 * @param y DOCUMENT ME!
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700 * @return DOCUMENT ME!
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702 public SequenceI findPoint(int x, int y)
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704 int halfwidth = getWidth() / 2;
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705 int halfheight = getHeight() / 2;
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709 for (int i = 0; i < npoint; i++)
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711 SequencePoint sp = (SequencePoint) points.elementAt(i);
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712 int px = (int) ((float) (sp.coord[0] - centre[0]) * scale) +
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714 int py = (int) ((float) (sp.coord[1] - centre[1]) * scale) +
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717 if ((Math.abs(px - x) < 3) && (Math.abs(py - y) < 3))
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725 return ((SequencePoint) points.elementAt(found)).sequence;
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733 /* public boolean handleRubberbandEvent(RubberbandEvent evt) {
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734 System.out.println("Rubberband handler called in RotatableCanvas with " +
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737 Rubberband rb = (Rubberband)evt.getSource();
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739 // Clear the current selection (instance variable)
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740 //if ((rb.getModifiers() & Event.SHIFT_MASK) == 0) {
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741 // clearSelection();
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744 if (rb.getComponent() == this) {
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745 Rectangle bounds = evt.getBounds();
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746 rectSelect(bounds.x,bounds.y,bounds.x+bounds.width,bounds.y+bounds.height);
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749 redrawneeded = true;
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750 paint(this.getGraphics());
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