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_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")
overlay = None
timer = PoolingTimer(timeout)
while not timer.is_timeout():
self.preview(self._window)
remaining = int(timer.remaining() + 1)
if not overlay or remaining != timeout:
# Rebluid overlay only if remaining number has changed
# overlay = self.get_overlay(image.size, str(remaining), alpha)
timeout = remaining
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")
timer = PoolingTimer(timeout)
while not timer.is_timeout():
self.preview(self._window)
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
self._show_overlay(get_translated_text('smile'), alpha)
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)
if self._preview_compatible:
while not timer.is_timeout():
updated_rect = self._window.show_image(self._get_preview_image())
pygame.event.pump()
if updated_rect:
pygame.display.update(updated_rect)
else:
time.sleep(timer.remaining())
self._show_overlay(get_translated_text('smile'), 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)
if self._preview_compatible:
while not timer.is_timeout():
self._window.show_image(self._get_preview_image())
pygame.event.pump()
pygame.display.update()
else:
time.sleep(timer.remaining())
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=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
first_loop = True
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
updated_rect = None
if self._preview_compatible:
updated_rect = self._window.show_image(
self._get_preview_image())
elif not shown:
updated_rect = self._window.show_image(
self._get_preview_image())
shown = True # Do not update dummy preview until next overlay update
if first_loop:
timer.start(
) # Because first preview capture is longer than others
first_loop = False
pygame.event.pump()
if updated_rect:
pygame.display.update(updated_rect)
self._show_overlay(get_translated_text('smile'), alpha)
self._window.show_image(self._get_preview_image())
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(get_translated_text('smile'), 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")
rect = self._window.get_rect()
size = (((rect.width + 31) // 32) * 32,
((rect.height + 15) // 16) * 16)
image = Image.new('RGB', size, color=(0, 0, 0))
overlay = None
timer = PoolingTimer(timeout)
while not timer.is_timeout():
self.preview(self._window)
remaining = int(timer.remaining() + 1)
if not overlay or remaining != timeout:
# Rebluid overlay only if remaining number has changed
image = Image.new('RGB', size, color=(0, 0, 0))
overlay = self.get_overlay(image.size, str(remaining), alpha)
timeout = remaining
image.paste(overlay, (0, 0), overlay)
self._window.show_image(image)