// Draw Mu constant
int width = config.getWidth();
int height = config.getHeight();
float[] mu = config.getMu();
gl.glEnable(GL_BLEND);
gl.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
int baseMu1 = width - MU_RECT_SIZE - 2;
int baseMu2 = 1;
drawJuliaSlice(gl, baseMu1, baseMu2, mu[0], mu[1]);
int baseMu3 = width - MU_RECT_SIZE - 2;