Пример #1
0
  public void execute(PolyTree solution, double delta) {
    solution.Clear();
    fixOrientations();
    doOffset(delta);

    // now clean up 'corners' ...
    final DefaultClipper clpr = new DefaultClipper(Clipper.REVERSE_SOLUTION);
    clpr.addPaths(destPolys, PolyType.SUBJECT, true);
    if (delta > 0) {
      clpr.execute(ClipType.UNION, solution, PolyFillType.POSITIVE, PolyFillType.POSITIVE);
    } else {
      final LongRect r = destPolys.getBounds();
      final Path outer = new Path(4);

      outer.add(new LongPoint(r.left - 10, r.bottom + 10, 0));
      outer.add(new LongPoint(r.right + 10, r.bottom + 10, 0));
      outer.add(new LongPoint(r.right + 10, r.top - 10, 0));
      outer.add(new LongPoint(r.left - 10, r.top - 10, 0));

      clpr.addPath(outer, PolyType.SUBJECT, true);

      clpr.execute(ClipType.UNION, solution, PolyFillType.NEGATIVE, PolyFillType.NEGATIVE);
      // remove the outer PolyNode rectangle ...
      if (solution.getChildCount() == 1 && solution.getChilds().get(0).getChildCount() > 0) {
        final PolyNode outerNode = solution.getChilds().get(0);
        solution.getChilds().set(0, outerNode.getChilds().get(0));
        solution.getChilds().get(0).setParent(solution);
        for (int i = 1; i < outerNode.getChildCount(); i++) {
          solution.addChild(outerNode.getChilds().get(i));
        }
      } else {
        solution.Clear();
      }
    }
  }
Пример #2
0
  public void execute(Paths solution, double delta) {
    solution.clear();
    fixOrientations();
    doOffset(delta);
    // now clean up 'corners' ...
    final DefaultClipper clpr = new DefaultClipper(Clipper.REVERSE_SOLUTION);
    clpr.addPaths(destPolys, PolyType.SUBJECT, true);
    if (delta > 0) {
      clpr.execute(ClipType.UNION, solution, PolyFillType.POSITIVE, PolyFillType.POSITIVE);
    } else {
      final LongRect r = destPolys.getBounds();
      final Path outer = new Path(4);

      outer.add(new LongPoint(r.left - 10, r.bottom + 10, 0));
      outer.add(new LongPoint(r.right + 10, r.bottom + 10, 0));
      outer.add(new LongPoint(r.right + 10, r.top - 10, 0));
      outer.add(new LongPoint(r.left - 10, r.top - 10, 0));

      clpr.addPath(outer, PolyType.SUBJECT, true);

      clpr.execute(ClipType.UNION, solution, PolyFillType.NEGATIVE, PolyFillType.NEGATIVE);
      if (solution.size() > 0) {
        solution.remove(0);
      }
    }
  }