Exemplo n.º 1
0
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)
        self.window = PtbWindow('Pibooth', config.gettyped('WINDOW', 'size'))

        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))
        if config.getboolean('GENERAL', 'failsafe'):
            self.state_machine.add_failsafe_state(StateFailSafe(2))

        # Initialize the camera
        if camera.gp_camera_connected() and camera.rpi_camera_connected():
            cam_class = camera.HybridCamera
        elif camera.gp_camera_connected():
            cam_class = camera.GpCamera
        elif camera.rpi_camera_connected():
            cam_class = camera.RpiCamera
        else:
            raise EnvironmentError("Neither PiCamera nor GPhoto2 camera detected")

        self.camera = cam_class(config.getint('CAMERA', 'iso'),
                                config.gettyped('CAMERA', 'resolution'),
                                config.getint('CAMERA', 'rotation'),
                                config.getboolean('CAMERA', 'flip'))

        self.led_picture = PtbLed(config.getint('CONTROLS', 'picture_led_pin'))
        self.button_picture = 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'))

        self.printer = PtbPrinter(config.get('PRINTER', 'printer_name'))

        # Variables shared between states
        self.dirname = None
        self.nbr_captures = None
        self.nbr_printed = 0
        self.previous_picture = None
        self.previous_picture_file = None

        self.capture_choices = config.gettyped('PICTURE', 'captures')
        if isinstance(self.capture_choices, int):
            self.capture_choices = (self.capture_choices,)
        for chx in self.capture_choices:
            if chx not in [1, 2, 3, 4]:
                raise ValueError("Invalid captures number '{}'".format(chx))

    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 or\
                    (event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE):
                return event
        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_picture_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_p) or \
                    (event.type == BUTTON_DOWN and event.pin == self.button_picture):
                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):
                    return event
        return None

    def find_print_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_e and
                    pygame.key.get_mods() & pygame.KMOD_CTRL) or \
                    (event.type == BUTTON_DOWN and event.pin == self.button_print):
                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):
                    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_picture):
                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:
            self.led_startup.switch_on()
            self.state_machine.set_state('wait')
            clock = pygame.time.Clock()

            while True:
                events = list(reversed(pygame.event.get()))  # Take all events, most recent first

                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)

                self.state_machine.process(events)
                clock.tick(40)  # Ensure the program will never run at more than x frames per second

        finally:
            self.led_startup.quit()
            self.led_preview.quit()
            self.led_picture.quit()
            self.led_print.quit()
            GPIO.cleanup()
            self.camera.quit()
            self.printer.quit()
            pygame.quit()
Exemplo n.º 2
0
    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)
        self.window = PtbWindow('Pibooth', config.gettyped('WINDOW', 'size'))

        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))
        if config.getboolean('GENERAL', 'failsafe'):
            self.state_machine.add_failsafe_state(StateFailSafe(2))

        # Initialize the camera
        if camera.gp_camera_connected() and camera.rpi_camera_connected():
            cam_class = camera.HybridCamera
        elif camera.gp_camera_connected():
            cam_class = camera.GpCamera
        elif camera.rpi_camera_connected():
            cam_class = camera.RpiCamera
        else:
            raise EnvironmentError("Neither PiCamera nor GPhoto2 camera detected")

        self.camera = cam_class(config.getint('CAMERA', 'iso'),
                                config.gettyped('CAMERA', 'resolution'),
                                config.getint('CAMERA', 'rotation'),
                                config.getboolean('CAMERA', 'flip'))

        self.led_picture = PtbLed(config.getint('CONTROLS', 'picture_led_pin'))
        self.button_picture = 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'))

        self.printer = PtbPrinter(config.get('PRINTER', 'printer_name'))

        # Variables shared between states
        self.dirname = None
        self.nbr_captures = None
        self.nbr_printed = 0
        self.previous_picture = None
        self.previous_picture_file = None

        self.capture_choices = config.gettyped('PICTURE', 'captures')
        if isinstance(self.capture_choices, int):
            self.capture_choices = (self.capture_choices,)
        for chx in self.capture_choices:
            if chx not in [1, 2, 3, 4]:
                raise ValueError("Invalid captures number '{}'".format(chx))
Exemplo n.º 3
0
    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
Exemplo n.º 4
0
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()
Exemplo n.º 5
0
    def __init__(self, config):
        self.config = config

        # Clean directory where pictures are saved
        self.savedir = osp.expanduser(config.get('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)
        self.window = PtbWindow('Pibooth', config.gettyped('WINDOW', 'size'),
                                config.getboolean('WINDOW', 'buffer'))

        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())

        # Initialize the camera
        if camera.rpi_camera_connected():
            cam_class = camera.RpiCamera
        elif camera.gp_camera_connected():
            cam_class = camera.GpCamera
        else:
            raise EnvironmentError(
                "Neither PiCamera nor GPhoto2 camera detected")

        self.camera = cam_class(config.getint('CAMERA', 'iso'),
                                config.gettyped('CAMERA', 'resolution'),
                                config.getint('CAMERA', 'rotation'),
                                config.getboolean('CAMERA', 'flip'))

        self.led_picture = PtbLed(7)
        self.button_picture = PtbButton(
            11, config.getfloat('GENERAL', 'debounce_delay'))

        self.led_print = PtbLed(15)
        self.button_print = PtbButton(
            13, config.getfloat('GENERAL', 'debounce_delay'))

        self.printer = PtbPrinter(config.get('PRINTER', 'printer_name'))

        # Variables shared between states
        self.dirname = None
        self.captures = []
        self.max_captures = None
        self.previous_picture = None
        self.previous_picture_file = None
Exemplo n.º 6
0
class PtbApplication(object):
    def __init__(self, config):
        self.config = config

        # Clean directory where pictures are saved
        self.savedir = osp.expanduser(config.get('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)
        self.window = PtbWindow('Pibooth', config.gettyped('WINDOW', 'size'),
                                config.getboolean('WINDOW', 'buffer'))

        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())

        # Initialize the camera
        if camera.rpi_camera_connected():
            cam_class = camera.RpiCamera
        elif camera.gp_camera_connected():
            cam_class = camera.GpCamera
        else:
            raise EnvironmentError(
                "Neither PiCamera nor GPhoto2 camera detected")

        self.camera = cam_class(config.getint('CAMERA', 'iso'),
                                config.gettyped('CAMERA', 'resolution'),
                                config.getint('CAMERA', 'rotation'),
                                config.getboolean('CAMERA', 'flip'))

        self.led_picture = PtbLed(7)
        self.button_picture = PtbButton(
            11, config.getfloat('GENERAL', 'debounce_delay'))

        self.led_print = PtbLed(15)
        self.button_print = PtbButton(
            13, config.getfloat('GENERAL', 'debounce_delay'))

        self.printer = PtbPrinter(config.get('PRINTER', 'printer_name'))

        # Variables shared between states
        self.dirname = None
        self.captures = []
        self.max_captures = None
        self.previous_picture = None
        self.previous_picture_file = None

    def find_quit_event(self, events):
        """Return the event if found in the list.
        """
        for event in events:
            if event.type == pygame.QUIT or\
                    (event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE):
                return event

    def find_fullscreen_event(self, events):
        """Return the 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

    def find_picture_event(self, events):
        """Return the 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_picture):
                return event

    def find_print_event(self, events):
        """Return the 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):
                return event

    def find_resize_event(self, events):
        """Return the event if found in the list.
        """
        for event in events:
            if event.type == pygame.VIDEORESIZE:
                return event

    def find_choice_event(self, events):
        """Return the event if found in the list.
        """
        for event in events:
            if (event.type == pygame.KEYDOWN and event.key in (pygame.K_LEFT, pygame.K_RIGHT)) or \
                    (event.type == BUTTON_DOWN and event.pin == self.button_picture) or \
                    (event.type == BUTTON_DOWN and event.pin == self.button_print):
                return event

    def main_loop(self):
        """Run the main game loop.
        """
        try:
            self.state_machine.set_state('wait')

            while True:
                events = list(reversed(
                    pygame.event.get()))  # Take all events, most recent first

                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)

                self.state_machine.process(events)

        finally:
            self.led_picture.quit()
            self.led_print.quit()
            GPIO.cleanup()
            self.camera.quit()
            self.printer.quit()
            pygame.quit()
Exemplo n.º 7
0
    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