private void updateMouse(Canvas canvas, int mx, int my, int mods) { if (active) { boolean shift = (mods & MouseEvent.SHIFT_DOWN_MASK) != 0; Location newEnd; if (shift) { newEnd = LineUtil.snapTo8Cardinals(mouseStart, mx, my); } else { newEnd = Location.create(mx, my); } if ((mods & InputEvent.CTRL_DOWN_MASK) != 0) { int x = newEnd.getX(); int y = newEnd.getY(); x = canvas.snapX(x); y = canvas.snapY(y); newEnd = Location.create(x, y); } if (!newEnd.equals(mouseEnd)) { mouseEnd = newEnd; repaintArea(canvas); } } lastMouseX = mx; lastMouseY = my; }
@Override public void mouseReleased(Canvas canvas, MouseEvent e) { if (active) { updateMouse(canvas, e.getX(), e.getY(), e.getModifiersEx()); Location start = mouseStart; Location end = mouseEnd; CanvasObject add = null; if (!start.equals(end)) { active = false; CanvasModel model = canvas.getModel(); Location[] ends = {start, end}; List<Location> locs = UnmodifiableList.create(ends); add = attrs.applyTo(new Poly(false, locs)); add.setValue(DrawAttr.PAINT_TYPE, DrawAttr.PAINT_STROKE); canvas.doAction(new ModelAddAction(model, add)); repaintArea(canvas); } canvas.toolGestureComplete(this, add); } }
public Location getOtherEnd(Location loc) { return (loc.equals(e0) ? e1 : e0); }
public boolean endsAt(Location pt) { return e0.equals(pt) || e1.equals(pt); }