@Override
public void mouseDragged(
final MouseEvent me,
final Layer la,
final int x_p,
final int y_p,
int x_d,
int y_d,
int x_d_old,
int y_d_old) {
final int tool = ProjectToolbar.getToolId();
if (ProjectToolbar.PEN != tool) return;
// transform to the local coordinates
if (!this.at.isIdentity()) {
// final Point2D.Double p = inverseTransformPoint(x_p, y_p);
// x_p = (int)p.x;
// y_p = (int)p.y;
final Point2D.Double pd = inverseTransformPoint(x_d, y_d);
x_d = (int) pd.x;
y_d = (int) pd.y;
final Point2D.Double pdo = inverseTransformPoint(x_d_old, y_d_old);
x_d_old = (int) pdo.x;
y_d_old = (int) pdo.y;
}
if (-1 != index) {
if (me.isShiftDown()) {
// resize
item.radius =
(int)
Math.ceil(
Math.sqrt(
(x_d - item.p[0][index]) * (x_d - item.p[0][index])
+ (y_d - item.p[1][index]) * (y_d - item.p[1][index])));
if (item.radius < 1) item.radius = 1;
} else {
item.translate(index, x_d - x_d_old, y_d - y_d_old);
}
Rectangle repaint_bbox = bbox;
final Rectangle current_bbox =
this.at.createTransformedShape(item.getBoundingBox()).getBounds();
if (null == bbox) repaint_bbox = current_bbox;
else {
repaint_bbox = (Rectangle) bbox.clone();
repaint_bbox.add(current_bbox);
}
bbox = current_bbox;
Display.repaint(layer_set, repaint_bbox);
}
}
@Override
public void mousePressed(
final MouseEvent me, final Layer la, int x_p, int y_p, final double mag) {
final int tool = ProjectToolbar.getToolId();
if (ProjectToolbar.PEN != tool) return;
final long lid = la.getId(); // isn't this.layer pointing to the current layer always?
// transform the x_p, y_p to the local coordinates
if (!this.at.isIdentity()) {
final Point2D.Double p = inverseTransformPoint(x_p, y_p);
x_p = (int) p.x;
y_p = (int) p.y;
}
// find if the click is within radius of an existing point for the current layer
for (final Item tmp : al_items) {
index = tmp.find(lid, x_p, y_p, mag);
if (-1 != index) {
this.item = tmp;
break;
}
}
// final boolean is_zoom_invariant = "true".equals(project.getProperty("dissector_zoom"));
// TODO: if zoom invariant, should check for nearest point. Or nearest point anyway, when
// deleting
// (but also for adding a new one?)
if (me.isShiftDown() && Utils.isControlDown(me)) {
if (-1 != index) {
// delete
item.remove(index);
if (0 == item.n_points) al_items.remove(item);
item = null;
index = -1;
Display.repaint(layer_set, this, 0);
}
// in any case:
return;
}
if (-1 != index) return;
// else try to add a point to a suitable item
// Find an item in the previous or the next layer,
// which falls within radius of the clicked point
try {
for (final Item tmp : al_items) {
index = tmp.add(x_p, y_p, la);
if (-1 != index) {
this.item = tmp;
return;
}
}
// could not be added to an existing item, so creating a new item with a new point in it
int max_tag = 0;
for (final Item tmp : al_items) {
if (tmp.tag > max_tag) max_tag = tmp.tag;
}
int radius = 8; // default
if (al_items.size() > 0) radius = al_items.get(al_items.size() - 1).radius;
this.item = new Item(max_tag + 1, radius, x_p, y_p, la);
index = 0;
al_items.add(this.item);
} finally {
if (null != item) {
bbox = this.at.createTransformedShape(item.getBoundingBox()).getBounds();
Display.repaint(layer_set, bbox);
} else Display.repaint(layer_set, this, 0);
}
}