Example #1
0
  public void render(Color c, int stroke, int markType) {
    if (c == null) c = Color.RED;
    V.pushColor(c);
    if (defined()) {
      seg.render(c, stroke, markType);
    } else {

      for (int i = 0; i < 2; i++) {
        if (i == 1 && discA == discB) continue;

        EdObject obj = object(i);
        if (obj instanceof EdDisc) {
          EdDisc d = (EdDisc) obj;

          stroke = STRK_RUBBERBAND;
          V.pushStroke(stroke);
          double r = Math.max(d.getRadius() - 4, 2.0);
          V.drawCircle(d.getOrigin(), r);
          V.popStroke();
        } else {
          Tools.unimp("rendering undefined bitangents of polygons");
        }
      }
    }
    V.popColor();
  }
Example #2
0
  public static void plotDirectedHalfPlane(FPoint2 p0, FPoint2 p1, int markType) {
    double SEP = .4 * V.getScale();
    double ang = MyMath.polarAngle(p0, p1);
    FPoint2 d0 = MyMath.ptOnCircle(p0, ang + Math.PI / 2, SEP);
    FPoint2 d1 = MyMath.ptOnCircle(p1, ang + Math.PI / 2, SEP);

    EdSegment.plotDirectedLine(p0, p1);
    V.pushStroke(STRK_RUBBERBAND);
    V.drawLine(d0, d1);
    V.popStroke();

    if (markType >= 0) {
      V.mark(d0, markType);
      V.mark(d1, markType);
    }
  }
  public void render(Color c, int stroke, int markType) {
    final boolean db = false;
    // Get array of visible segments.  If no such array exists,
    // use default.
    DArray vseg = visSeg;
    boolean dashed = false;

    //    if (step == 0) {
    double step = renderStep();
    //    }
    //    vp V = TestBed.view();

    if (db) Streams.out.println(" step=" + step);

    // plot each visible segment

    for (int seg = 0; seg < vseg.size(); seg += 2) {
      double t0 = vseg.getDouble(seg + 0), t1 = vseg.getDouble(seg + 1);
      t0 = MyMath.clamp(t0, -500.0, 500.0);
      t1 = MyMath.clamp(t1, -500.0, 500.0);

      // render() expects external parameters.

      double s0 = toExt(t0), s1 = toExt(t1);
      if (s0 > s1) {
        double tmp = s0;
        s0 = s1;
        s1 = tmp;
      }
      FPoint2 p0 = calcPoint(s0), p1 = calcPoint(s1);
      if (db) Streams.out.println(" p0=" + p0 + ", p1=" + p1);
      if (isLine() && !dashed) {
        V.drawLine(p0, p1);
      } else {

        /*
                  if (Math.abs(s0) >= 500
           ||Math.abs(s1) >= 500)
         System.out.println("Rendering "+t0+" to "+t1+" step "+step);
        */
        if (dashed) V.pushStroke(Globals.STRK_RUBBERBAND);
        {
          //          int count = 0;
          boolean first = true;
          for (double t = t0; ; t += step) { // , count++) {
            boolean last = (t >= t1);
            if (last) {
              t = t1;
            }
            calcPointInternal(t, p1);

            if (!p1.isValid()) {
              if (last) {
                break;
              }
              continue;
            }

            if (db) {
              System.out.println(" calcPt " + Tools.f(toExt(t)) + " = " + p1.x + "," + p1.y);
            }
            if (!first) {
              V.drawLine(p0, p1);
              if (false) {
                Tools.warn("highlighting int");
                V.mark(p0);
              }
            }
            if (last) {
              break;
            }
            p0.setLocation(p1);
            first = false;
          }
        }
        if (dashed) V.popStroke();
      }
    }
  }