Exemplo n.º 1
0
  public static Point2D.Double pointBetween(Point2D.Double p, Point2D.Double p2, double pos) {

    Point2D.Double n =
        new Point2D.Double(
            p.getX() * (1 - pos) + p2.getX() * (pos), p.getY() * (1 - pos) + p2.getY() * (pos));

    return n;
  }
Exemplo n.º 2
0
  public static int closest(Point2D.Double[] BTS, Point2D.Double p) {

    double[] dist = new double[BTS.length];
    int min = 0;
    for (int i = 0; i < BTS.length; i++) {
      dist[i] = distanceSq(BTS[i].getX(), BTS[i].getY(), p.getX(), p.getY());
      if (dist[i] < dist[min]) min = i;
    }
    // System.out.println(dist[min] + " " + min);

    return min;
  }
Exemplo n.º 3
0
 public void setFontSize(float size) {
   // FONT_SIZE.basicSet(this, new Double(size));
   Point2D.Double p = new Point2D.Double(0, size);
   AffineTransform tx = TRANSFORM.get(this);
   if (tx != null) {
     try {
       tx.inverseTransform(p, p);
       Point2D.Double p0 = new Point2D.Double(0, 0);
       tx.inverseTransform(p0, p0);
       p.y -= p0.y;
     } catch (NoninvertibleTransformException ex) {
       ex.printStackTrace();
     }
   }
   FONT_SIZE.set(this, Math.abs(p.y));
 }
Exemplo n.º 4
0
 public float getFontSize() {
   //   return FONT_SIZE.get(this).floatValue();
   Point2D.Double p = new Point2D.Double(0, FONT_SIZE.get(this));
   AffineTransform tx = TRANSFORM.get(this);
   if (tx != null) {
     tx.transform(p, p);
     Point2D.Double p0 = new Point2D.Double(0, 0);
     tx.transform(p0, p0);
     p.y -= p0.y;
     /*
     try {
         tx.inverseTransform(p, p);
     } catch (NoninvertibleTransformException ex) {
         ex.printStackTrace();
     }*/
   }
   return (float) Math.abs(p.y);
 }
Exemplo n.º 5
0
 protected void drawCaps(Graphics2D g) {
   if (getNodeCount() > 1) {
     if (get(START_DECORATION) != null) {
       BezierPath cp = getCappedPath();
       Point2D.Double p1 = path.get(0, 0);
       Point2D.Double p2 = cp.get(0, 0);
       if (p2.equals(p1)) {
         p2 = path.get(1, 0);
       }
       get(START_DECORATION).draw(g, this, p1, p2);
     }
     if (get(END_DECORATION) != null) {
       BezierPath cp = getCappedPath();
       Point2D.Double p1 = path.get(path.size() - 1, 0);
       Point2D.Double p2 = cp.get(path.size() - 1, 0);
       if (p2.equals(p1)) {
         p2 = path.get(path.size() - 2, 0);
       }
       get(END_DECORATION).draw(g, this, p1, p2);
     }
   }
 }
Exemplo n.º 6
0
  /**
   * Method to get the coordinates of the enclosing rectangle after this transformation is applied
   * to the current picture
   *
   * @return the enclosing rectangle
   */
  public Rectangle2D getTransformEnclosingRect(AffineTransform trans) {
    int width = getWidth();
    int height = getHeight();
    double maxX = width - 1;
    double maxY = height - 1;
    double minX, minY;
    Point2D.Double p1 = new Point2D.Double(0, 0);
    Point2D.Double p2 = new Point2D.Double(maxX, 0);
    Point2D.Double p3 = new Point2D.Double(maxX, maxY);
    Point2D.Double p4 = new Point2D.Double(0, maxY);
    Point2D.Double result = new Point2D.Double(0, 0);
    Rectangle2D.Double rect = null;

    // get the new points and min x and y and max x and y
    trans.deltaTransform(p1, result);
    minX = result.getX();
    maxX = result.getX();
    minY = result.getY();
    maxY = result.getY();
    trans.deltaTransform(p2, result);
    minX = Math.min(minX, result.getX());
    maxX = Math.max(maxX, result.getX());
    minY = Math.min(minY, result.getY());
    maxY = Math.max(maxY, result.getY());
    trans.deltaTransform(p3, result);
    minX = Math.min(minX, result.getX());
    maxX = Math.max(maxX, result.getX());
    minY = Math.min(minY, result.getY());
    maxY = Math.max(maxY, result.getY());
    trans.deltaTransform(p4, result);
    minX = Math.min(minX, result.getX());
    maxX = Math.max(maxX, result.getX());
    minY = Math.min(minY, result.getY());
    maxY = Math.max(maxY, result.getY());

    // create the bounding rectangle to return
    rect = new Rectangle2D.Double(minX, minY, maxX - minX + 1, maxY - minY + 1);
    return rect;
  }
Exemplo n.º 7
0
 @Override
 public Object getTransformRestoreData() {
   return origin.clone();
 }
Exemplo n.º 8
0
 @Override
 public void restoreTransformTo(Object geometry) {
   Point2D.Double p = (Point2D.Double) geometry;
   origin.x = p.x;
   origin.y = p.y;
 }
Exemplo n.º 9
0
 /**
  * Write the given text string in the current font, centered at <location>.
  *
  * @param location the Point at the center of the text
  * @param s the text
  */
 public static void text(Point2D.Double location, String s) {
   text(location.getX(), location.getY(), s);
 }
Exemplo n.º 10
0
  /**
   * Draw a filled rectangle of given half width and half height, centred at <location> and rotated
   * by d degrees.
   *
   * @param location the Point at the centre of the rectangle
   * @param halfWidth is half the width of the rectangle
   * @param halfHeight is half the height of the rectangle
   * @param degrees is the rotation of the rectangle with 3 o'clock being 0 degrees and 12 o'clock
   *     being 270 degrees
   * @throws RuntimeException if halfWidth or halfHeight is negative
   */
  public static void filledAngledRectangle(
      Point2D.Double location, double halfWidth, double halfHeight, double degrees) {

    filledAngledRectangle(location.getX(), location.getY(), halfWidth, halfHeight, degrees);
  }
Exemplo n.º 11
0
 /**
  * Draw a filled diamond of side length 2r, centred at <location>.
  *
  * @param location the Point at the centre of the square
  * @param r radius is half the length of any side of the diamond
  * @throws RuntimeException if r is negative
  */
 public static void filledDiamond(Point2D.Double location, double r) {
   filledDiamond(location.getX(), location.getY(), r);
 }
Exemplo n.º 12
0
 /**
  * Draw a filled square of side length 2r, centred at <location>.
  *
  * @param location the Point at the centre of the square
  * @param r radius is half the length of any side of the square
  * @throws RuntimeException if r is negative
  */
 public static void filledSquare(Point2D.Double location, double r) {
   filledSquare(location.getX(), location.getY(), r);
 }
Exemplo n.º 13
0
 /**
  * Draw a circle of radius r, centred at <location>.
  *
  * @param location the Point at the centre of the circle
  * @param r the radius of the circle
  * @throws RuntimeException if the radius of the circle is negative
  */
 public static void circle(Point2D.Double location, double r) {
   circle(location.getX(), location.getY(), r);
 }
Exemplo n.º 14
0
  public static List<BezierPath> fromPathData(String str) throws IOException {
    LinkedList<BezierPath> paths = new LinkedList<BezierPath>();

    BezierPath path = null;
    Point2D.Double p = new Point2D.Double();
    Point2D.Double c1 = new Point2D.Double();
    Point2D.Double c2 = new Point2D.Double();
    StreamTokenizer tt = new StreamTokenizer(new StringReader(str));
    tt.resetSyntax();
    tt.parseNumbers();
    tt.whitespaceChars(0, ' ');
    tt.whitespaceChars(',', ',');

    char nextCommand = 'M';
    char command = 'M';
    while (tt.nextToken() != StreamTokenizer.TT_EOF) {
      if (tt.ttype > 0) {
        command = (char) tt.ttype;
      } else {
        command = nextCommand;
        tt.pushBack();
      }

      BezierPath.Node node;
      switch (command) {
          // moveto
        case 'M':
          if (path != null) {
            paths.add(path);
          }
          path = new BezierPath();

          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.moveTo(p.x, p.y);
          nextCommand = 'L';
          break;
        case 'm':
          if (path != null) {
            paths.add(path);
          }
          path = new BezierPath();

          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.moveTo(p.x, p.y);
          nextCommand = 'l';

          // close path
          break;
        case 'Z':
        case 'z':
          p.x = path.get(0).x[0];
          p.y = path.get(0).y[0];
          path.setClosed(true);

          // lineto
          break;
        case 'L':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.lineTo(p.x, p.y);
          nextCommand = 'L';

          break;
        case 'l':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.lineTo(p.x, p.y);
          nextCommand = 'l';

          break;
        case 'H':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          path.lineTo(p.x, p.y);
          nextCommand = 'H';

          break;
        case 'h':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          path.lineTo(p.x, p.y);
          nextCommand = 'h';

          break;
        case 'V':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.lineTo(p.x, p.y);
          nextCommand = 'V';

          break;
        case 'v':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.lineTo(p.x, p.y);
          nextCommand = 'v';

          // curveto
          break;
        case 'C':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.y = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.y = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y);
          nextCommand = 'C';

          break;
        case 'c':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.x = p.x + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.y = p.y + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.x = p.x + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.y = p.y + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y);
          nextCommand = 'c';

          break;
        case 'S':
          node = path.get(path.size() - 1);
          c1.x = node.x[0] * 2d - node.x[1];
          c1.y = node.y[0] * 2d - node.y[1];
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.y = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y);
          nextCommand = 'S';

          break;
        case 's':
          node = path.get(path.size() - 1);
          c1.x = node.x[0] * 2d - node.x[1];
          c1.y = node.y[0] * 2d - node.y[1];
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.x = p.x + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c2.y = p.y + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y);
          nextCommand = 's';

          // quadto
          break;
        case 'Q':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.y = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.quadTo(c1.x, c1.y, p.x, p.y);
          nextCommand = 'Q';

          break;
        case 'q':
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.x = p.x + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          c1.y = p.y + tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.quadTo(c1.x, c1.y, p.x, p.y);
          nextCommand = 'q';

          break;
        case 'T':
          node = path.get(path.size() - 1);
          c1.x = node.x[0] * 2d - node.x[1];
          c1.y = node.y[0] * 2d - node.y[1];
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x = tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y = tt.nval;
          path.quadTo(c1.x, c1.y, p.x, p.y);
          nextCommand = 'T';

          break;
        case 't':
          node = path.get(path.size() - 1);
          c1.x = node.x[0] * 2d - node.x[1];
          c1.y = node.y[0] * 2d - node.y[1];
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.x += tt.nval;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected");
          p.y += tt.nval;
          path.quadTo(c1.x, c1.y, p.x, p.y);
          nextCommand = 's';

          break;
        default:
          throw new IOException("Illegal command: " + command);
      }
    }
    if (path != null) {
      paths.add(path);
    }
    return paths;
  }