class PiApplication(object):
def __init__(self, config):
self.config = config
# Clean directory where pictures are saved
self.savedir = config.getpath('GENERAL', 'directory')
if not osp.isdir(self.savedir):
os.makedirs(self.savedir)
if osp.isdir(self.savedir) and config.getboolean(
'GENERAL', 'clear_on_startup'):
shutil.rmtree(self.savedir)
os.makedirs(self.savedir)
# Prepare GPIO, physical pins mode
GPIO.setmode(GPIO.BOARD)
# Prepare the pygame module for use
os.environ['SDL_VIDEO_CENTERED'] = '1'
pygame.init()
# Dont catch mouse motion to avoid filling the queue during long actions
pygame.event.set_blocked(pygame.MOUSEMOTION)
# Create window of (width, height)
init_size = self.config.gettyped('WINDOW', 'size')
init_debug = self.config.getboolean('GENERAL', 'debug')
init_color = self.config.gettyped('WINDOW', 'background')
init_text_color = self.config.gettyped('WINDOW', 'text_color')
if not isinstance(init_color, (tuple, list)):
init_color = self.config.getpath('WINDOW', 'background')
if not isinstance(init_size, str):
self.window = PtbWindow('Pibooth',
init_size,
color=init_color,
text_color=init_text_color,
debug=init_debug)
else:
self.window = PtbWindow('Pibooth',
color=init_color,
text_color=init_text_color,
debug=init_debug)
self.state_machine = StateMachine(self)
self.state_machine.add_state(StateWait())
self.state_machine.add_state(
StateChoose(30)) # 30s before going back to the start
self.state_machine.add_state(StateChosen(4))
self.state_machine.add_state(StateCapture())
self.state_machine.add_state(StateProcessing())
self.state_machine.add_state(StatePrint())
self.state_machine.add_state(StateFinish(0.5))
self.camera = camera.get_camera(
config.getint('CAMERA', 'iso'),
config.gettyped('CAMERA', 'resolution'),
config.getint('CAMERA', 'rotation'),
config.getboolean('CAMERA', 'flip'),
config.getboolean('CAMERA', 'delete_internal_memory'))
# Initialize the hardware buttons
self.led_capture = PtbLed(config.getint('CONTROLS', 'picture_led_pin'))
self.button_capture = PtbButton(
config.getint('CONTROLS', 'picture_btn_pin'),
config.getfloat('CONTROLS', 'debounce_delay'))
self.led_print = PtbLed(config.getint('CONTROLS', 'print_led_pin'))
self.button_print = PtbButton(
config.getint('CONTROLS', 'print_btn_pin'),
config.getfloat('CONTROLS', 'debounce_delay'))
self.led_startup = PtbLed(config.getint('CONTROLS', 'startup_led_pin'))
self.led_preview = PtbLed(config.getint('CONTROLS', 'preview_led_pin'))
# Initialize the printer
self.printer = PtbPrinter(config.get('PRINTER', 'printer_name'))
# Variables shared between states
self.dirname = None
self.makers_pool = PicturesMakersPool()
self.capture_nbr = None
self.capture_choices = (4, 1)
self.nbr_duplicates = 0
self.previous_picture = None
self.previous_animated = []
self.previous_picture_file = None
def initialize(self):
"""Restore the application with initial parameters defined in the
configuration file.
Only parameters that can be changed at runtime are restored.
"""
# Handle the language configuration
language.CURRENT = self.config.get('GENERAL', 'language')
fonts.CURRENT = fonts.get_filename(
self.config.gettuple('PICTURE', 'text_fonts', str)[0])
# Set the captures choices
choices = self.config.gettuple('PICTURE', 'captures', int)
for chx in choices:
if chx not in [1, 2, 3, 4]:
LOGGER.warning(
"Invalid captures number '%s' in config, fallback to '%s'",
chx, self.capture_choices)
choices = self.capture_choices
break
self.capture_choices = choices
# Reset printed pages number
self.printer.nbr_printed = 0
# Handle autostart of the application
self.config.enable_autostart(
self.config.getboolean('GENERAL', 'autostart'))
self.window.arrow_location = self.config.get('WINDOW', 'arrows')
self.window.arrow_offset = self.config.getint('WINDOW',
'arrows_x_offset')
self.window.drop_cache()
# Handle window size
size = self.config.gettyped('WINDOW', 'size')
if isinstance(size, str) and size.lower() == 'fullscreen':
if not self.window.is_fullscreen:
self.window.toggle_fullscreen()
else:
if self.window.is_fullscreen:
self.window.toggle_fullscreen()
self.window.debug = self.config.getboolean('GENERAL', 'debug')
# Handle debug mode
if not self.config.getboolean('GENERAL', 'debug'):
set_logging_level() # Restore default level
self.state_machine.add_failsafe_state(StateFailSafe(2))
else:
set_logging_level(logging.DEBUG)
self.state_machine.remove_state('failsafe')
# Initialize state machine
self.state_machine.set_state('wait')
@property
def printer_unavailable(self):
"""Return True is paper/ink counter is reached or printing is disabled
"""
if self.config.getint('PRINTER', 'max_pages') < 0: # No limit
return False
return self.printer.nbr_printed >= self.config.getint(
'PRINTER', 'max_pages')
def find_quit_event(self, events):
"""Return the first found event if found in the list.
"""
for event in events:
if event.type == pygame.QUIT:
return event
return None
def find_settings_event(self, events, type_filter=None):
"""Return the first found event if found in the list.
"""
event_capture = None
event_print = None
for event in events:
if event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE and \
(type_filter is None or type_filter == event.type):
return event
if event.type == BUTTON_DOWN:
if event.pin == self.button_capture and (
type_filter is None or type_filter == event.type):
event_capture = event
elif event.pin == self.button_print and (
type_filter is None or type_filter == event.type):
event_print = event
if event_capture and event_print:
return event_capture # One of both (return != None is enough)
return None
def find_fullscreen_event(self, events):
"""Return the first found event if found in the list.
"""
for event in events:
if event.type == pygame.KEYDOWN and \
event.key == pygame.K_f and pygame.key.get_mods() & pygame.KMOD_CTRL:
return event
return None
def find_resize_event(self, events):
"""Return the first found event if found in the list.
"""
for event in events:
if event.type == pygame.VIDEORESIZE:
return event
return None
def find_capture_event(self, events, type_filter=None):
"""Return the first found event if found in the list.
"""
for event in events:
if (event.type == pygame.KEYDOWN and event.key == pygame.K_p) or \
(event.type == BUTTON_DOWN and event.pin == self.button_capture):
if type_filter is None or type_filter == event.type:
return event
elif event.type == pygame.MOUSEBUTTONUP:
rect = self.window.get_rect()
if pygame.Rect(0, 0, rect.width // 2,
rect.height).collidepoint(event.pos):
if type_filter is None or type_filter == event.type:
return event
return None
def find_print_event(self, events, type_filter=None):
"""Return the first found event if found in the list.
"""
for event in events:
if (event.type == pygame.KEYDOWN and event.key == pygame.K_e and
pygame.key.get_mods() & pygame.KMOD_CTRL) or \
(event.type == BUTTON_DOWN and event.pin == self.button_print):
if type_filter is None or type_filter == event.type:
return event
elif event.type == pygame.MOUSEBUTTONUP:
rect = self.window.get_rect()
if pygame.Rect(rect.width // 2, 0, rect.width // 2,
rect.height).collidepoint(event.pos):
if type_filter is None or type_filter == event.type:
return event
return None
def find_print_status_event(self, events):
"""Return the first found event if found in the list.
"""
for event in events:
if event.type == PRINTER_TASKS_UPDATED:
return event
return None
def find_choice_event(self, events):
"""Return the first found event if found in the list.
"""
for event in events:
if (event.type == pygame.KEYDOWN and event.key == pygame.K_LEFT) or \
(event.type == BUTTON_DOWN and event.pin == self.button_capture):
event.key = pygame.K_LEFT
return event
elif (event.type == pygame.KEYDOWN and event.key == pygame.K_RIGHT) or \
(event.type == BUTTON_DOWN and event.pin == self.button_print):
event.key = pygame.K_RIGHT
return event
elif event.type == pygame.MOUSEBUTTONUP:
rect = self.window.get_rect()
if pygame.Rect(0, 0, rect.width // 2,
rect.height).collidepoint(event.pos):
event.key = pygame.K_LEFT
else:
event.key = pygame.K_RIGHT
return event
return None
def main_loop(self):
"""Run the main game loop.
"""
try:
clock = pygame.time.Clock()
self.led_startup.switch_on()
self.initialize()
menu = None
fps = 40
while True:
events = list(pygame.event.get())
if self.find_quit_event(events):
break
if self.find_fullscreen_event(events):
self.window.toggle_fullscreen()
event = self.find_resize_event(events)
if event:
self.window.resize(event.size)
if not menu and self.find_settings_event(events):
menu = PiConfigMenu(self.window, self.config, fps)
menu.show()
if menu and menu.is_shown():
# Convert HW button events to keyboard events for menu
if self.find_settings_event(events, BUTTON_DOWN):
events.insert(0, menu.create_back_event())
if self.find_capture_event(events, BUTTON_DOWN):
events.insert(0, menu.create_next_event())
elif self.find_print_event(events, BUTTON_DOWN):
events.insert(0, menu.create_click_event())
menu.process(events)
elif menu and not menu.is_shown():
self.initialize()
menu = None
else:
self.state_machine.process(events)
pygame.display.update()
clock.tick(
fps
) # Ensure the program will never run at more than x frames per second
finally:
self.makers_pool.quit()
self.led_startup.quit()
self.led_preview.quit()
self.led_capture.quit()
self.led_print.quit()
GPIO.cleanup()
self.camera.quit()
self.printer.quit()
pygame.quit()
def __init__(self, config):
self.config = config
# Clean directory where pictures are saved
self.savedir = config.getpath('GENERAL', 'directory')
if not osp.isdir(self.savedir):
os.makedirs(self.savedir)
if osp.isdir(self.savedir) and config.getboolean(
'GENERAL', 'clear_on_startup'):
shutil.rmtree(self.savedir)
os.makedirs(self.savedir)
# Prepare GPIO, physical pins mode
GPIO.setmode(GPIO.BOARD)
# Prepare the pygame module for use
os.environ['SDL_VIDEO_CENTERED'] = '1'
pygame.init()
# Dont catch mouse motion to avoid filling the queue during long actions
pygame.event.set_blocked(pygame.MOUSEMOTION)
# Create window of (width, height)
init_size = self.config.gettyped('WINDOW', 'size')
init_debug = self.config.getboolean('GENERAL', 'debug')
init_color = self.config.gettyped('WINDOW', 'background')
init_text_color = self.config.gettyped('WINDOW', 'text_color')
if not isinstance(init_color, (tuple, list)):
init_color = self.config.getpath('WINDOW', 'background')
if not isinstance(init_size, str):
self.window = PtbWindow('Pibooth',
init_size,
color=init_color,
text_color=init_text_color,
debug=init_debug)
else:
self.window = PtbWindow('Pibooth',
color=init_color,
text_color=init_text_color,
debug=init_debug)
self.state_machine = StateMachine(self)
self.state_machine.add_state(StateWait())
self.state_machine.add_state(
StateChoose(30)) # 30s before going back to the start
self.state_machine.add_state(StateChosen(4))
self.state_machine.add_state(StateCapture())
self.state_machine.add_state(StateProcessing())
self.state_machine.add_state(StatePrint())
self.state_machine.add_state(StateFinish(0.5))
self.camera = camera.get_camera(
config.getint('CAMERA', 'iso'),
config.gettyped('CAMERA', 'resolution'),
config.getint('CAMERA', 'rotation'),
config.getboolean('CAMERA', 'flip'),
config.getboolean('CAMERA', 'delete_internal_memory'))
# Initialize the hardware buttons
self.led_capture = PtbLed(config.getint('CONTROLS', 'picture_led_pin'))
self.button_capture = PtbButton(
config.getint('CONTROLS', 'picture_btn_pin'),
config.getfloat('CONTROLS', 'debounce_delay'))
self.led_print = PtbLed(config.getint('CONTROLS', 'print_led_pin'))
self.button_print = PtbButton(
config.getint('CONTROLS', 'print_btn_pin'),
config.getfloat('CONTROLS', 'debounce_delay'))
self.led_startup = PtbLed(config.getint('CONTROLS', 'startup_led_pin'))
self.led_preview = PtbLed(config.getint('CONTROLS', 'preview_led_pin'))
# Initialize the printer
self.printer = PtbPrinter(config.get('PRINTER', 'printer_name'))
# Variables shared between states
self.dirname = None
self.makers_pool = PicturesMakersPool()
self.capture_nbr = None
self.capture_choices = (4, 1)
self.nbr_duplicates = 0
self.previous_picture = None
self.previous_animated = []
self.previous_picture_file = None
def __init__(self, config):
self.config = config
# Clean directory where pictures are saved
self.savedir = config.getpath('GENERAL', 'directory')
if not osp.isdir(self.savedir):
os.makedirs(self.savedir)
if osp.isdir(self.savedir) and config.getboolean(
'GENERAL', 'clear_on_startup'):
shutil.rmtree(self.savedir)
os.makedirs(self.savedir)
# Prepare GPIO, physical pins mode
GPIO.setmode(GPIO.BOARD)
# Prepare the pygame module for use
os.environ['SDL_VIDEO_CENTERED'] = '1'
pygame.init()
# Dont catch mouse motion to avoid filling the queue during long actions
pygame.event.set_blocked(pygame.MOUSEMOTION)
# Create window of (width, height)
init_size = self.config.gettyped('WINDOW', 'size')
if not isinstance(init_size, str):
self.window = PtbWindow('Pibooth', init_size)
else:
self.window = PtbWindow('Pibooth')
self.state_machine = StateMachine(self)
self.state_machine.add_state(StateWait())
self.state_machine.add_state(
StateChoose(30)) # 30s before going back to the start
self.state_machine.add_state(StateChosen(4))
self.state_machine.add_state(StateCapture())
self.state_machine.add_state(StateProcessing())
self.state_machine.add_state(StatePrint())
self.state_machine.add_state(StateFinish(0.5))
# Initialize the camera. If gPhoto2 camera is used, try to kill
# any process using gPhoto2 as it may block camera access
if camera.gp_camera_connected() and camera.rpi_camera_connected():
cam_class = camera.HybridCamera
pkill('*gphoto2*')
elif camera.gp_camera_connected():
cam_class = camera.GpCamera
pkill('*gphoto2*')
elif camera.rpi_camera_connected():
cam_class = camera.RpiCamera
elif camera.cv_camera_connected():
cam_class = camera.CvCamera
else:
raise EnvironmentError(
"Neither Raspberry Pi nor GPhoto2 nor OpenCV camera detected")
self.camera = cam_class(config.getint('CAMERA', 'iso'),
config.gettyped('CAMERA', 'resolution'),
config.getint('CAMERA', 'rotation'),
config.getboolean('CAMERA', 'flip'))
# Initialize the hardware buttons
self.led_capture = PtbLed(config.getint('CONTROLS', 'picture_led_pin'))
self.button_capture = PtbButton(
config.getint('CONTROLS', 'picture_btn_pin'),
config.getfloat('CONTROLS', 'debounce_delay'))
self.led_print = PtbLed(config.getint('CONTROLS', 'print_led_pin'))
self.button_print = PtbButton(
config.getint('CONTROLS', 'print_btn_pin'),
config.getfloat('CONTROLS', 'debounce_delay'))
self.led_startup = PtbLed(config.getint('CONTROLS', 'startup_led_pin'))
self.led_preview = PtbLed(config.getint('CONTROLS', 'preview_led_pin'))
# Initialize the printer
self.printer = PtbPrinter(config.get('PRINTER', 'printer_name'))
# Variables shared between states
self.dirname = None
self.makers_pool = PicturesMakersPool()
self.capture_nbr = None
self.capture_choices = (4, 1)
self.nbr_duplicates = 0
self.previous_picture = None
self.previous_animated = []
self.previous_picture_file = None