#!/usr/bin/python

import struct
from PIL import Image, ImageDraw, ImageFont
import time

keys = {
  0x00 : "",
  0x03 : "1",
  0x09 : "2",
  0x0f : "3",
  0x04 : "4",
  0x0a : "5",
  0x10 : "6",
  0x05 : "7",
  0x0b : "8",
  0x11 : "9",
  0x06 : "*",
  0x0c : "0",
  0x12 : "#",
  0x02 : "yes",
  0x07 : "+",
  0x0e : "no",
  0x01 : "left",
  0x13 : "up",
  0x16 : "down",
  0x0d : "right",
  0x19 : "vol+",
  0x1c : "vol-",
  0x1b : "mute",
}

file = open( "/dev/hidraw0", "w+b" );

def getKey():
  buf = file.read(8)
  return keys[ord(buf[1])]

def paint():
  pixels = img.load() # create the pixel map
  pixels = img.transpose(Image.ROTATE_180).load() # create the pixel map
  b = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
  for r in range(0, 8):
    for s in range (0, 12):
      for i in range (0, 12):
	b[i] = 0
	for j in range (0, 8):
          if (pixels[i + 12 * s, j + 8 * r] < 128):
	    b[i] |= 2**j
      buf="0301".decode("hex")+chr(r)+chr(s*11)+chr(b[0])+chr(b[1])+chr(b[2])+chr(b[3])+chr(b[4])+chr(b[5])+chr(b[6])+chr(b[7])+chr(b[8])+chr(b[9])+chr(b[10])+chr(b[11])
      file.write(buf)
      file.flush()

def drawText(text):
  draw.text((0, 0), drawText.old , 255, font=font)
  draw.text((0, 0), text , 0, font=font)
  drawText.old = text
  paint()

drawText.old = ""
img = Image.new( '1', (144,64), "white")
draw = ImageDraw.Draw(img)

font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSansMono.ttf", 20)
text = ""

# draw logo into canvas
logo = Image.open("logo.png").convert("1")
img.paste(logo, (0,0))

# write canvas to display
paint()

# clear canvas
draw.rectangle((0,0,142,63), fill=255)

while( 1 ):
  k = getKey();
  if (k == ""):
    0
  elif (k == "no"):
    text = ""
    drawText(text)
  elif (k == "yes"):
    text = ""
    drawText("calling...")
  else:
    text = text + k
    drawText(text)
#    img.show()

file.close();