public void mouseDragged(MouseEvent e) {
int mods = e.getModifiersEx();
Point dragEnd = e.getPoint();
boolean shift = (mods & MouseEvent.SHIFT_DOWN_MASK) > 0;
boolean ctrl = (mods & MouseEvent.CTRL_DOWN_MASK) > 0;
boolean alt = shift & ctrl;
ctrl = ctrl & (!alt);
shift = shift & (!alt);
boolean nomods = !(shift | ctrl | alt);
if (dragBegin == null) dragBegin = dragEnd;
nodrag = false;
if ((mods & InputEvent.BUTTON3_DOWN_MASK) > 0 || true) {
double dx = dragEnd.getX() - dragBegin.getX();
double dy = dragEnd.getY() - dragBegin.getY();
synchronized (JImage.this) {
t.preConcatenate(AffineTransform.getTranslateInstance(dx, dy));
}
dragBegin = dragEnd;
repaint();
}
}
public void mouseReleased(MouseEvent e) {
int mods = e.getModifiersEx();
if (nodrag && e.getButton() == MouseEvent.BUTTON3) {
popupMenu.show(JImage.this, (int) e.getPoint().getX(), (int) e.getPoint().getY());
}
nodrag = true;
dragBegin = null;
}