# Real-Time Digital Photo Frame.py
# Thu Jan  1 23:35:14 PST 2009
# Chieh Cheng
# http://www.CynosureX.com/

# GNU General Public License (GPL) Version 2, June 1991

# image: take a picture

import gst, pippy, pygame, sys, time
from random import *

# XO screen is 1200 by 900
size = width, height = 1200, 900

# grey background
bgcolor = (128,128,128)

# pygame always needs to be initialized as the first call
pygame.init()

# turn off cursor
pygame.mouse.set_visible(False)

# create the pygame window at the desired size and return a Surface object for
# drawing in that window.
screen = pygame.display.set_mode(size)

while 1:
  for event in pygame.event.get():
    if event.type == pygame.QUIT: sys.exit()
    elif event.type == pygame.KEYDOWN: sys.exit()

  # grab a frame from camera to file
  pipeline = gst.parse_launch('v4l2src ! ffmpegcolorspace ! jpegenc ! filesink location=/tmp/RTDPF.jpg')
  pipeline.set_state(gst.STATE_PLAYING)

  time.sleep(1)
  pipeline.set_state(gst.STATE_NULL)

  # load in previously grabbed frame
  image = pygame.image.load("/tmp/RTDPF.jpg")

  newImage = pygame.transform.rotozoom(image,0,2)
  newImageRect = newImage.get_rect()
  newImageRect.centerx = screen.get_rect().centerx
  newImageRect.centery = screen.get_rect().centery

  screen.fill(bgcolor)
  screen.blit(newImage, newImageRect)
  pygame.display.flip()

  time.sleep(60)