def preview_wait(self, timeout, alpha=60):
"""Wait the given time.
"""
time.sleep(timeout)
self._show_overlay(
LANGUAGES.get(PiConfigParser.language,
LANGUAGES['en']).get('smile_message'), alpha)
def preview_countdown(self, timeout, alpha=80):
"""Show a countdown of `timeout` seconds on the preview.
Returns when the countdown is finished.
"""
timeout = int(timeout)
if timeout < 1:
raise ValueError("Start time shall be greater than 0")
shown = False
timer = PoolingTimer(timeout)
while not timer.is_timeout():
remaining = int(timer.remaining() + 1)
if not self._overlay or remaining != timeout:
# Rebluid overlay only if remaining number has changed
self._show_overlay(str(remaining), alpha)
timeout = remaining
shown = False
if self._preview_compatible:
self._window.show_image(self._get_preview_image())
elif not shown:
self._window.show_image(self._get_preview_image())
shown = True # Do not update dummy preview until next overlay update
pygame.event.pump()
pygame.display.update()
self._show_overlay(
LANGUAGES.get(PiConfigParser.language,
LANGUAGES['en']).get('smile_message'), alpha)
self._window.show_image(self._get_preview_image())
def preview_wait(self, timeout, alpha=80):
"""Wait the given time.
"""
timeout = int(timeout)
if timeout < 1:
raise ValueError("Start time shall be greater than 0")
timer = PoolingTimer(timeout)
while not timer.is_timeout():
self._window.show_image(self._get_preview_image())
pygame.event.pump()
pygame.display.update()
self._show_overlay(LANGUAGES.get(PiConfigParser.language, LANGUAGES['en']).get('smile_message'), alpha)
self._window.show_image(self._get_preview_image())
def preview_countdown(self, timeout, alpha=60):
"""Show a countdown of `timeout` seconds on the preview.
Returns when the countdown is finished.
"""
timeout = int(timeout)
if timeout < 1:
raise ValueError("Start time shall be greater than 0")
if not self._cam.preview:
raise EnvironmentError("Preview shall be started first")
while timeout > 0:
self._show_overlay(timeout, alpha)
time.sleep(1)
timeout -= 1
self._hide_overlay()
self._show_overlay(LANGUAGES.get(PiConfigParser.language, LANGUAGES['en']).get('smile_message'), alpha)
def preview_countdown(self, timeout, alpha=80):
"""Show a countdown of `timeout` seconds on the preview.
Returns when the countdown is finished.
"""
timeout = int(timeout)
if timeout < 1:
raise ValueError("Start time shall be greater than 0")
timer = PoolingTimer(timeout)
while not timer.is_timeout():
remaining = int(timer.remaining() + 1)
if self._overlay is None or remaining != timeout:
# Rebluid overlay only if remaining number has changed
self._show_overlay(str(remaining), alpha)
timeout = remaining
updated_rect = self._window.show_image(self._get_preview_image())
pygame.event.pump()
if updated_rect:
pygame.display.update(updated_rect)
self._show_overlay(LANGUAGES.get(PiConfigParser.language, LANGUAGES['en']).get('smile_message'), alpha)
self._window.show_image(self._get_preview_image())