src/main/java/org/jfree/graphics2d/svg/SVGGraphics2D.java
private void setRoundRect(int x, int y, int width, int height, int arcWidth, 
            int arcHeight) {
        if (this.roundRect == null) {
            this.roundRect = new RoundRectangle2D.Double(x, y, width, height, 
                    arcWidth, arcHeight);
        } else {
            this.roundRect.setRoundRect(x, y, width, height, 
                    arcWidth, arcHeight);
        }        
    }
private void setRoundRect(int x, int y, int width, int height, int arcWidth, 
            int arcHeight) {
        if (this.roundRect == null) {
            this.roundRect = new RoundRectangle2D.Double(x, y, width, height, 
                    arcWidth, arcHeight);
        } else {
            this.roundRect.setRoundRect(x, y, width, height, 
                    arcWidth, arcHeight);
        }        
    }
Sets the attributes of the reusable {@link RoundRectangle2D} object that
is used by the {@link #drawRoundRect(int, int, int, int, int, int)} and
{@link #fillRoundRect(int, int, int, int, int, int)} methods.

@param x  the x-coordinate.
@param y  the y-coordinate.
@param width  the width.
@param height  the height.
@param arcWidth  the arc width.
@param arcHeight  the arc height.