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COLOR_BLACK = ( 0, 0, 0)
COLOR_WHITE = (255, 255, 255)
COLOR_RED = (255, 0, 0)
COLOR_YELLOW = (255, 255, 0)
COLOR_LIGHT_PINK = (255, 209, 223)
COLOR_LIGHT_BLUE = (213, 209, 255)
COLOR_LIGHT_YELLOW = (255, 250, 209)
COLOR_ORANGE = (255, 173, 51)
COLOR_OFF_RED = (255, 69, 69)
COLOR_PURPLE = (202, 69, 255)
COLOR_DARK_BLUE = ( 57, 26, 135)
def interpolate_color(color_start, color_end, alpha):
r = color_start[0] * (1 - alpha) + color_end[0] * alpha
g = color_start[1] * (1 - alpha) + color_end[1] * alpha
b = color_start[2] * (1 - alpha) + color_end[2] * alpha
return r, g, b
def get_color_brightness(color):
r, g, b = color
return (r + g + b) / 3
class ColorPalette:
interpolation_duration = 500
brightness_threshold = 100
def __init__(self, primary_color, accent_color, previous_palette = None):
self.alpha = 0
self.previous_palette = previous_palette
self.primary_color = primary_color
self.accent_color = accent_color
if get_color_brightness(self.primary_color) > self.brightness_threshold:
self.text_color = COLOR_BLACK
else:
self.text_color = COLOR_WHITE
def update(self, delta_time):
self.alpha = min(1, self.alpha + delta_time / self.interpolation_duration)
def get_primary_color(self):
if self.previous_palette is not None:
return interpolate_color(self.previous_palette.primary_color,
self.primary_color,
self.alpha)
else:
return self.primary_color
def get_accent_color(self):
if self.previous_palette is not None:
return interpolate_color(self.previous_palette.accent_color,
self.accent_color,
self.alpha)
else:
return self.accent_color
def get_text_color(self):
if self.previous_palette is not None:
return interpolate_color(self.previous_palette.text_color,
self.text_color,
self.alpha)
else:
return self.text_color
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