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# slideshow: show datastore photos
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)
# Create a search dict
search = {}
search["mime_type"] = "image/jpeg"
from pippy import query
# Perform the search and retrieve the jobjects
results = query.find(search)
# XXX: Fix caching limit in query.py
objects = results.read(15)
if len(objects) == 0:
print "No photos found."
time.sleep(3)
sys.exit()
def get_image():
for jobject in objects:
yield jobject.get_file_path()
next_image = get_image()
# 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)
# load in previously grabbed frame
image = pygame.image.load(next_image.next())
while pippy.pygame.next_frame():
for event in pygame.event.get():
if event.type == pygame.QUIT: sys.exit()
elif event.type == pygame.KEYDOWN:
try:
image = pygame.image.load(next_image.next())
except StopIteration:
sys.exit()
# Scale up from 640x480 -> 1280x960
newImage = pygame.transform.rotozoom(image, 0, 2.0)
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()
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