public static boolean isPointNearSegment(Point from, Point to, Point testPos, int nearTolerance) {
Rectangle r =
new Rectangle(
testPos.x - nearTolerance / 2,
testPos.y - nearTolerance / 2,
nearTolerance,
nearTolerance);
return r.intersectsLine(from.x, from.y, to.x, to.y);
}
public static boolean isPointNearSegment(Point from, Point to, Point testPos, int nearTolerance) {
Rectangle r =
new Rectangle(
testPos.getX() - nearTolerance,
testPos.getY() - nearTolerance,
2 * nearTolerance,
2 * nearTolerance);
return r.intersectsLine(from.getX(), from.getY(), to.getX(), to.getY());
}
public boolean needDrawing(Rectangle rect) {
for (int i = 0; i < data_.getModel().npoints - 1; ++i) {
if (rect.intersectsLine(
data_.getModel().xpoints[i],
data_.getModel().ypoints[i],
data_.getModel().xpoints[i + 1],
data_.getModel().ypoints[i + 1])) return true;
}
return false;
}
public int getIndexOfNewPoint(int x, int y, int tol) {
Rectangle rect = new Rectangle(x - tol / 2, y - tol / 2, tol, tol);
List<mxPoint> pts = getAbsolutePoints();
int length = pts.size();
mxPoint start, end;
start = pts.get(0);
for (int i = 1; i < length; i++) {
end = pts.get(i);
if (rect.intersectsLine(start.getX(), start.getY(), end.getX(), end.getY())) return i;
start = end;
}
return -1;
}