How to use

transform

method

in

org.jhotdraw.geom.BezierPath

@Override
public void transform(AffineTransform tx) {
  path.transform(tx);
  invalidate();
}

@Override
public void transform(AffineTransform tx) {
  for (final BezierFigure figure : figures) {
    figure.getBezierPath().transform(tx);
  }
  invalidate();
}

@Override
public void transform(AffineTransform tx) {
  for (final BezierFigure figure : figures) {
    figure.getBezierPath().transform(tx);
  }
  invalidate();
}

/**
 * Transforms all coords of the figure by the current TRANSFORM attribute
 * and then sets the TRANSFORM attribute to null.
 */
public void flattenTransform() {
  if (get(TRANSFORM) != null) {
    path.transform(get(TRANSFORM));
    set(TRANSFORM, null);
  }
  invalidate();
}

/**
 * Transforms all coords of the figure by the current TRANSFORM attribute
 * and then sets the TRANSFORM attribute to null.
 */
public void flattenTransform() {
  if (get(TRANSFORM) != null) {
    path.transform(get(TRANSFORM));
    set(TRANSFORM, null);
  }
  invalidate();
}

private ODGFigure readPathElement(IXMLElement elem)
    throws IOException {
  AffineTransform viewBoxTransform = readViewBoxTransform(elem);
  BezierPath[] paths = toPath(elem.getAttribute("d", SVG_NAMESPACE, null));
  for (BezierPath p : paths) {
    p.transform(viewBoxTransform);
  }
  String styleName = elem.getAttribute("style-name", DRAWING_NAMESPACE, null);
  HashMap<AttributeKey, Object> a = new HashMap<AttributeKey, Object>();
  a.putAll(styles.getAttributes(styleName, "graphic"));
  readCommonDrawingShapeAttributes(elem, a);
  ODGFigure f = createPathFigure(paths, a);
  return f;
}

@Override
public Rectangle2D.Double getDrawingArea() {
  if (cachedDrawingArea == null) {
    if (get(TRANSFORM) == null) {
      cachedDrawingArea = path.getBounds2D();
    } else {
      BezierPath p2 = (BezierPath) path.clone();
      p2.transform(get(TRANSFORM));
      cachedDrawingArea = p2.getBounds2D();
    }
  }
  return (Rectangle2D.Double) cachedDrawingArea.clone();
}

@Override
public Rectangle2D.Double getDrawingArea() {
  if (cachedDrawingArea == null) {
    if (get(TRANSFORM) == null) {
      cachedDrawingArea = path.getBounds2D();
    } else {
      BezierPath p2 = (BezierPath) path.clone();
      p2.transform(get(TRANSFORM));
      cachedDrawingArea = p2.getBounds2D();
    }
    double strokeTotalWidth = AttributeKeys.getStrokeTotalWidth(this);
    double width = strokeTotalWidth / 2d;
    if (get(STROKE_JOIN) == BasicStroke.JOIN_MITER) {
      width *= get(STROKE_MITER_LIMIT);
    } else if (get(STROKE_CAP) != BasicStroke.CAP_BUTT) {
      width += strokeTotalWidth * 2;
    }
    Geom.grow(cachedDrawingArea, width, width);
  }
  return (Rectangle2D.Double) cachedDrawingArea.clone();
}