Rounded rectangle in Processing

rounded_rect.pde

void roundedRect(float x, float y, float w, float h, float rx, float ry) {
    beginShape();
    vertex(x,y+ry); //top of left side 
    bezierVertex(x,y,x,y,x+rx,y); //top left corner

    vertex(x+w-rx,y); //right of top side 
    bezierVertex(x+w,y,x+w,y,x+w,y+ry); //top right corner

    vertex(x+w,y+h-ry); //bottom of right side
    bezierVertex(x+w,y+h,x+w,y+h,x+w-rx,y+h); //bottom right corner

    vertex(x+rx,y+h); //left of bottom side
    bezierVertex(x,y+h,x,y+h,x,y+h-ry); //bottom left corner

    endShape(CLOSE);
}