src/main/java/org/jfree/graphics2d/svg/SVGGraphics2D.java
@Override
    public void drawLine(int x1, int y1, int x2, int y2) {
        if (this.line == null) {
            this.line = new Line2D.Double(x1, y1, x2, y2);
        } else {
            this.line.setLine(x1, y1, x2, y2);
        }
        draw(this.line);
    }
@Override
    public void drawLine(int x1, int y1, int x2, int y2) {
        if (this.line == null) {
            this.line = new Line2D.Double(x1, y1, x2, y2);
        } else {
            this.line.setLine(x1, y1, x2, y2);
        }
        draw(this.line);
    }
Draws a line from {@code (x1, y1)} to {@code (x2, y2)} using
the current {@code paint} and {@code stroke}.

@param x1  the x-coordinate of the start point.
@param y1  the y-coordinate of the start point.
@param x2  the x-coordinate of the end point.
@param y2  the x-coordinate of the end point.