def recreate_text_effect(self):
try:
self.__logger.info(__name__ + " recreating text effect")
width, height = self.__display.get_size()
font = Font()
font.auto_adjust_font_size_to_height(height)
parameters = TextEffectParameters()
parameters.text_color = Color.from_normalized_float(
self.ids.text_color_button.background_color)
parameters.background_color = Color.from_normalized_float(
self.ids.background_color_button.background_color)
parameters.text = self.ids.text_input.text
parameters.display_size = self.__display.get_size()
parameters.font = font
self.__text_effect.apply(parameters)
except Exception as ex:
self.__logger.info(
__name__ +
" recreate text effect failed with ex={0}".format(ex.message))
popup = ErrorWindow()
popup.gather_traces(ex.message)
Clock.unschedule(self.send_current_frame)
popup.open()
def apply_effect(self, time_delta):
try:
if self.__frame_count % 10 == 0:
self.__logger.debug(
__name__ + " drawing frame {0}".format(self.__frame_count))
self.__frame_count += 1
display_size = Context.get_display().get_size()
effect = RainbowEffectAnimation(display_size)
left_color = self.ids.left_color_button.background_color
left_color_end = self.ids.left_color_button_end.background_color
right_color = self.ids.right_color_button.background_color
right_color_end = self.ids.right_color_button_end.background_color
left_colors = [
Color.from_normalized_float(left_color).rgb,
Color.from_normalized_float(left_color_end).rgb
]
right_colors = [
Color.from_normalized_float(right_color).rgb,
Color.from_normalized_float(right_color_end).rgb
]
effect.set_left_colors(left_colors)
effect.set_right_colors(right_colors)
effect.set_duration(2000)
effect.draw_vertical_rainbow_frame_at(self._time_elapsed)
image = effect.get_image()
self._effect_provider.set_image(image)
self._effect_provider.apply_image()
if self._direction is "Up":
self._time_elapsed += int(time_delta * 1000)
else:
self._time_elapsed -= int(time_delta * 1000)
if self._time_elapsed > 2000:
self._direction = "Down"
self._time_elapsed = 1999
if self._time_elapsed < 0:
self._direction = "Up"
self._time_elapsed = 0
except Exception as ex:
self.__logger.error(__name__ + " drawing frame failed")
popup = ErrorWindow()
popup.gather_traces(ex.message)
Clock.unschedule(self.apply_effect)
popup.open()
def apply(self, parameters):
self.__effect.set_point_size(int(parameters.point_size))
self.__effect.set_line_color(
Color.from_normalized_float(parameters.color))
self.__effect.draw_lines(parameters.points)
def test_convert_from_normalized_float(self):
normalized_color = (1, 0, 0, 1)
color = Color.from_normalized_float(normalized_color)
self.assertEqual(color.get_as_tuple(), (255, 0, 0))
