fig = Figure()
canvas = FigureCanvas(fig)
ax = fig.gca()

ax.text(0.0,0.0,"Test", fontsize=45)
ax.axis('off')
canvas.draw()       # draw the canvas, cache the renderer
width, height = fig.get_size_inches() * fig.get_dpi()
images = np.fromstring(canvas.tostring_rgb(), dtype='uint8').reshape(int(height), int(width), 3)