#!/usr/bin/env python """ Demonstrates adding text overlay (callsign, RSV, etc.) using PIL See example output received by slowrx at the following URL: http://vsza.hu/c6fa52b2c7b20320bdab2da15877f0efbd466e67d37c8d124a557367de9380da.png """ from PIL import Image, ImageFont, ImageDraw from pysstv.grayscale import Robot8BW img = Image.open("160x120bw.png") font = ImageFont.load_default() draw = ImageDraw.Draw(img) draw.text((0, 0), "HA5VSA", (255,255,255), font=font) sstv = Robot8BW(img, 44100, 16) sstv.write_wav("overlay.wav")