public RotatableCanvas(Object parent, AlignViewport av, Controller c, Vector points, int npoint) {
this.parent = parent;
this.points = points;
this.npoint = npoint;
this.controller = c;
this.av = av;
controller.addListener(this);
prefsize = getPreferredSize();
orig = new float[npoint][3];
for (int i = 0; i < npoint; i++) {
SequencePoint sp = (SequencePoint) points.elementAt(i);
for (int j = 0; j < 3; j++) {
orig[i][j] = sp.coord[j];
}
}
// Initialize the matrices to identity
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
if (i != j) {
idmat.addElement(i, j, 0);
objmat.addElement(i, j, 0);
rotmat.addElement(i, j, 0);
} else {
idmat.addElement(i, j, 0);
objmat.addElement(i, j, 0);
rotmat.addElement(i, j, 0);
}
}
}
axes = new float[3][3];
initAxes();
findCentre();
findWidth();
scale = findScale();
// System.out.println("Scale factor = " + scale);
addMouseListener(this);
addKeyListener(this);
if (getParent() != null) {
getParent().addKeyListener(this);
}
addMouseMotionListener(this);
// Add rubberband
rubberband = new RubberbandRectangle(this);
rubberband.setActive(true);
rubberband.addListener(this);
}
private void fireSequenceSelectionEvent(Selection sel) {
controller.handleSequenceSelectionEvent(new SequenceSelectionEvent(this, sel));
}
public void removeNotify() {
controller.removeListener(this);
super.removeNotify();
}