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# image: take a picture
#
# any keypress to exit

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

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

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

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

# 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)

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

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

angle = 0.0
scale = 2.0

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

  newImage = pygame.transform.rotozoom(image, angle,scale)
  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()

  angle = angle + 5.0
  scale = scale * 0.95