2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
21 package jalview.appletgui;
23 import jalview.api.RotatableCanvasI;
24 import jalview.datamodel.SequenceGroup;
25 import jalview.datamodel.SequenceI;
26 import jalview.datamodel.SequencePoint;
27 import jalview.math.RotatableMatrix;
28 import jalview.util.Format;
29 import jalview.util.MessageManager;
30 import jalview.viewmodel.AlignmentViewport;
32 import java.awt.Color;
33 import java.awt.Dimension;
35 import java.awt.Graphics;
36 import java.awt.Image;
37 import java.awt.Panel;
38 import java.awt.event.KeyEvent;
39 import java.awt.event.KeyListener;
40 import java.awt.event.MouseEvent;
41 import java.awt.event.MouseListener;
42 import java.awt.event.MouseMotionListener;
43 import java.util.Vector;
45 public class RotatableCanvas extends Panel implements MouseListener,
46 MouseMotionListener, KeyListener, RotatableCanvasI
48 RotatableMatrix idmat = new RotatableMatrix(3, 3);
50 RotatableMatrix objmat = new RotatableMatrix(3, 3);
52 RotatableMatrix rotmat = new RotatableMatrix(3, 3);
58 // RubberbandRectangle rubberband;
60 boolean drawAxes = true;
76 float centre[] = new float[3];
78 float width[] = new float[3];
80 float max[] = new float[3];
82 float min[] = new float[3];
112 float scalefactor = 1;
114 AlignmentViewport av;
116 boolean showLabels = false;
118 public RotatableCanvas(AlignmentViewport av)
123 public void showLabels(boolean b)
129 public void setPoints(Vector points, int npoint)
131 this.points = points;
132 this.npoint = npoint;
133 PaintRefresher.Register(this, av.getSequenceSetId());
135 prefsize = getPreferredSize();
136 orig = new float[npoint][3];
138 for (int i = 0; i < npoint; i++)
140 SequencePoint sp = (SequencePoint) points.elementAt(i);
141 for (int j = 0; j < 3; j++)
143 orig[i][j] = sp.coord[j];
146 // Initialize the matrices to identity
148 for (int i = 0; i < 3; i++)
150 for (int j = 0; j < 3; j++)
154 idmat.addElement(i, j, 0);
155 objmat.addElement(i, j, 0);
156 rotmat.addElement(i, j, 0);
160 idmat.addElement(i, j, 0);
161 objmat.addElement(i, j, 0);
162 rotmat.addElement(i, j, 0);
167 axes = new float[3][3];
175 // System.out.println("Scale factor = " + scale);
177 addMouseListener(this);
178 addKeyListener(this);
179 // if (getParent() != null) {
180 // getParent().addKeyListener(this);
182 addMouseMotionListener(this);
185 // rubberband = new RubberbandRectangle(this);
186 // rubberband.setActive(true);
187 // rubberband.addListener(this);
191 * public boolean handleSequenceSelectionEvent(SequenceSelectionEvent evt) {
192 * redrawneeded = true; repaint(); return true; }
194 * public void removeNotify() { controller.removeListener(this);
195 * super.removeNotify(); }
198 public void initAxes()
200 for (int i = 0; i < 3; i++)
202 for (int j = 0; j < 3; j++)
216 public void findWidth()
221 max[0] = (float) -1e30;
222 max[1] = (float) -1e30;
223 max[2] = (float) -1e30;
225 min[0] = (float) 1e30;
226 min[1] = (float) 1e30;
227 min[2] = (float) 1e30;
229 for (int i = 0; i < 3; i++)
231 for (int j = 0; j < npoint; j++)
233 SequencePoint sp = (SequencePoint) points.elementAt(j);
234 if (sp.coord[i] >= max[i])
236 max[i] = sp.coord[i];
238 if (sp.coord[i] <= min[i])
240 min[i] = sp.coord[i];
245 // System.out.println("xmax " + max[0] + " min " + min[0]);
246 // System.out.println("ymax " + max[1] + " min " + min[1]);
247 // System.out.println("zmax " + max[2] + " min " + min[2]);
249 width[0] = Math.abs(max[0] - min[0]);
250 width[1] = Math.abs(max[1] - min[1]);
251 width[2] = Math.abs(max[2] - min[2]);
255 if (width[1] > width[0])
259 if (width[2] > width[1])
264 // System.out.println("Maxwidth = " + maxwidth);
267 public float findScale()
269 int dim, width, height;
270 if (getSize().width != 0)
272 width = getSize().width;
273 height = getSize().height;
277 width = prefsize.width;
278 height = prefsize.height;
290 return (float) (dim * scalefactor / (2 * maxwidth));
293 public void findCentre()
295 // Find centre coordinate
298 centre[0] = (max[0] + min[0]) / 2;
299 centre[1] = (max[1] + min[1]) / 2;
300 centre[2] = (max[2] + min[2]) / 2;
302 // System.out.println("Centre x " + centre[0]);
303 // System.out.println("Centre y " + centre[1]);
304 // System.out.println("Centre z " + centre[2]);
307 public Dimension getPreferredSize()
309 if (prefsize != null)
315 return new Dimension(400, 400);
319 public Dimension getMinimumSize()
321 return getPreferredSize();
324 public void update(Graphics g)
329 public void paint(Graphics g)
333 g.setFont(new Font("Verdana", Font.PLAIN, 18));
334 g.drawString(MessageManager.getString("label.calculating_pca")
335 + "....", 20, getSize().height / 2);
340 // Only create the image at the beginning -
341 if ((img == null) || (prefsize.width != getSize().width)
342 || (prefsize.height != getSize().height))
344 prefsize.width = getSize().width;
345 prefsize.height = getSize().height;
349 // System.out.println("New scale = " + scale);
350 img = createImage(getSize().width, getSize().height);
351 ig = img.getGraphics();
355 drawBackground(ig, Color.black);
357 if (drawAxes == true)
364 ig.setColor(Color.red);
365 ig.drawString(tooltip, toolx, tooly);
368 g.drawImage(img, 0, 0, this);
372 public void drawAxes(Graphics g)
375 g.setColor(Color.yellow);
376 for (int i = 0; i < 3; i++)
378 g.drawLine(getSize().width / 2, getSize().height / 2,
379 (int) (axes[i][0] * scale * max[0] + getSize().width / 2),
380 (int) (axes[i][1] * scale * max[1] + getSize().height / 2));
384 public void drawBackground(Graphics g, Color col)
387 g.fillRect(0, 0, prefsize.width, prefsize.height);
390 public void drawScene(Graphics g)
392 // boolean darker = false;
394 int halfwidth = getSize().width / 2;
395 int halfheight = getSize().height / 2;
397 for (int i = 0; i < npoint; i++)
399 SequencePoint sp = (SequencePoint) points.elementAt(i);
400 int x = (int) ((float) (sp.coord[0] - centre[0]) * scale) + halfwidth;
401 int y = (int) ((float) (sp.coord[1] - centre[1]) * scale)
403 float z = sp.coord[1] - centre[2];
405 if (av.getSequenceColour(sp.sequence) == Color.black)
407 g.setColor(Color.white);
411 g.setColor(av.getSequenceColour(sp.sequence));
414 if (av.getSelectionGroup() != null)
416 if (av.getSelectionGroup().getSequences(null)
417 .contains(((SequencePoint) points.elementAt(i)).sequence))
419 g.setColor(Color.gray);
424 g.setColor(g.getColor().darker());
427 g.fillRect(x - 3, y - 3, 6, 6);
430 g.setColor(Color.red);
432 ((SequencePoint) points.elementAt(i)).sequence.getName(),
438 public Dimension minimumsize()
443 public Dimension preferredsize()
448 public void keyTyped(KeyEvent evt)
452 public void keyReleased(KeyEvent evt)
456 public void keyPressed(KeyEvent evt)
458 if (evt.getKeyCode() == KeyEvent.VK_UP)
460 scalefactor = (float) (scalefactor * 1.1);
463 else if (evt.getKeyCode() == KeyEvent.VK_DOWN)
465 scalefactor = (float) (scalefactor * 0.9);
468 else if (evt.getKeyChar() == 's')
470 System.err.println("DEBUG: Rectangle selection"); // log.debug
471 if (rectx2 != -1 && recty2 != -1)
473 rectSelect(rectx1, recty1, rectx2, recty2);
480 public void printPoints()
482 for (int i = 0; i < npoint; i++)
484 SequencePoint sp = (SequencePoint) points.elementAt(i);
485 Format.print(System.out, "%5d ", i);
486 for (int j = 0; j < 3; j++)
488 Format.print(System.out, "%13.3f ", sp.coord[j]);
490 System.out.println();
494 public void mouseClicked(MouseEvent evt)
498 public void mouseEntered(MouseEvent evt)
502 public void mouseExited(MouseEvent evt)
506 public void mouseReleased(MouseEvent evt)
510 public void mousePressed(MouseEvent evt)
530 SequenceI found = findPoint(x, y);
534 // TODO: applet PCA is not associatable with multi-panels - only parent
536 if (av.getSelectionGroup() != null)
538 av.getSelectionGroup().addOrRemove(found, true);
539 av.getSelectionGroup().setEndRes(av.getAlignment().getWidth() - 1);
543 av.setSelectionGroup(new SequenceGroup());
544 av.getSelectionGroup().addOrRemove(found, true);
545 av.getSelectionGroup().setEndRes(av.getAlignment().getWidth() - 1);
548 PaintRefresher.Refresh(this, av.getSequenceSetId());
554 public void mouseMoved(MouseEvent evt)
556 SequenceI found = findPoint(evt.getX(), evt.getY());
563 tooltip = found.getName();
570 public void mouseDragged(MouseEvent evt)
575 rotmat.setIdentity();
577 rotmat.rotate((float) (my - omy), 'x');
578 rotmat.rotate((float) (mx - omx), 'y');
580 for (int i = 0; i < npoint; i++)
582 SequencePoint sp = (SequencePoint) points.elementAt(i);
583 sp.coord[0] -= centre[0];
584 sp.coord[1] -= centre[1];
585 sp.coord[2] -= centre[2];
587 // Now apply the rotation matrix
588 sp.coord = rotmat.vectorMultiply(sp.coord);
590 // Now translate back again
591 sp.coord[0] += centre[0];
592 sp.coord[1] += centre[1];
593 sp.coord[2] += centre[2];
596 for (int i = 0; i < 3; i++)
598 axes[i] = rotmat.vectorMultiply(axes[i]);
603 paint(this.getGraphics());
606 public void rectSelect(int x1, int y1, int x2, int y2)
608 // boolean changedSel = false;
609 for (int i = 0; i < npoint; i++)
611 SequencePoint sp = (SequencePoint) points.elementAt(i);
612 int tmp1 = (int) ((sp.coord[0] - centre[0]) * scale + (float) getSize().width / 2.0);
613 int tmp2 = (int) ((sp.coord[1] - centre[1]) * scale + (float) getSize().height / 2.0);
615 if (tmp1 > x1 && tmp1 < x2 && tmp2 > y1 && tmp2 < y2)
619 if (!av.getSelectionGroup().getSequences(null)
620 .contains(sp.sequence))
622 av.getSelectionGroup().addSequence(sp.sequence, true);
629 public SequenceI findPoint(int x, int y)
632 int halfwidth = getSize().width / 2;
633 int halfheight = getSize().height / 2;
637 for (int i = 0; i < npoint; i++)
640 SequencePoint sp = (SequencePoint) points.elementAt(i);
641 int px = (int) ((float) (sp.coord[0] - centre[0]) * scale)
643 int py = (int) ((float) (sp.coord[1] - centre[1]) * scale)
646 if (Math.abs(px - x) < 3 && Math.abs(py - y) < 3)
653 return ((SequencePoint) points.elementAt(found)).sequence;