60 lines
1.6 KiB
Python
60 lines
1.6 KiB
Python
import colorsys
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import math
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import apis
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def scale(val, src, dst):
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"""
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Scale the given value from the scale of src to the scale of dst.
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"""
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return ((val - src[0]) / (src[1]-src[0])) * (dst[1]-dst[0]) + dst[0]
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def hsv2rgb(h, s, v):
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hsv = colorsys.hsv_to_rgb(h,s,v)
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return tuple(round(i * 255) for i in hsv)
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def pos_to_color(x, y, wh):
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#r = 160/2
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r = wh/2
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x = round((x - r) / r * 100) / 100
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y = round((r - y) / r * 100) / 100
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r = math.sqrt(x*x + y*y)
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sat = 0
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if (r > 1):
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sat = 0
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else:
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sat = r
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hsv = (math.degrees(math.atan2(y, x))%360/360, sat, 1)
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rgb = hsv2rgb(hsv[0],hsv[1],hsv[2])
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return rgb
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def rgb_brightness(rgb_color, brightness):
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# brightness values are in range 0-255
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# to make sure that the color is not completly lost we need to rescale this to 70-255
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brightness = int(scale(brightness,(0,255),(70,255)))
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red = rgb_color[0]/255*brightness
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green = rgb_color[1]/255*brightness
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blue = rgb_color[2]/255*brightness
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return [int(red), int(green), int(blue)]
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def rgb_dec565(rgb_color):
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if type(rgb_color) is str:
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rgb_color = apis.ha_api.render_template(rgb_color)
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red = rgb_color[0]
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green = rgb_color[1]
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blue = rgb_color[2]
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return ((int(red >> 3) << 11) | (int(green >> 2) << 5) | (int(blue >> 3)))
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def convert_temperature(temp, unit):
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if unit == "fahrenheit":
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#temp = round(((c * 1.8) + 32), 1)
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return f"{temp}°F"
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else:
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return f"{temp}°C"
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def get_attr_safe(entity, attr, default):
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res = entity.attributes.get(attr, default)
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if res is None:
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res = default
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return res
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