Class: TuyaCloud::Device::ColorLight::ColorSetting

Inherits:
Object
  • Object
show all
Defined in:
lib/tuya_cloud/device.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(json) ⇒ ColorSetting

Returns a new instance of ColorSetting.



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# File 'lib/tuya_cloud/device.rb', line 132

def initialize(json)
  return unless json

  self.saturation = json['saturation']
  self.brightness = json['brightness']
  self.hue        = json['hue']
  self.rgb        = from_hsb(hue, saturation, brightness)
end

Instance Attribute Details

#brightness ⇒ Object

Returns the value of attribute brightness.



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# File 'lib/tuya_cloud/device.rb', line 127

def brightness
  @brightness
end

#hue ⇒ Object

Returns the value of attribute hue.



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# File 'lib/tuya_cloud/device.rb', line 127

def hue
  @hue
end

#rgb ⇒ Object

Returns the value of attribute rgb.



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# File 'lib/tuya_cloud/device.rb', line 127

def rgb
  @rgb
end

#saturation ⇒ Object

Returns the value of attribute saturation.



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# File 'lib/tuya_cloud/device.rb', line 127

def saturation
  @saturation
end

Instance Method Details

#from_hsb(h, s, v) ⇒ Object

conversions from: gist.github.com/makevoid/3918299



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# File 'lib/tuya_cloud/device.rb', line 142

def from_hsb(h, s, v)
  h, s, v = h.to_f / 360, s.to_f / 100, v.to_f / 100
  h_i = (h * 6).to_i
  f = h * 6 - h_i
  p = v * (1 - s)
  q = v * (1 - f * s)
  t = v * (1 - (1 - f) * s)
  r, g, b = v, t, p if h_i == 0
  r, g, b = q, v, p if h_i == 1
  r, g, b = p, v, t if h_i == 2
  r, g, b = p, q, v if h_i == 3
  r, g, b = t, p, v if h_i == 4
  r, g, b = v, p, q if h_i == 5
  self.rgb = '#'\
             "#{(r * 255).round.to_s(16).rjust(2, '0')}"\
             "#{(g * 255).round.to_s(16).rjust(2, '0')}"\
             "#{(b * 255).round.to_s(16).rjust(2, '0')}"
end

#from_rgb(r, g, b) ⇒ Object 



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# File 'lib/tuya_cloud/device.rb', line 161

def from_rgb(r, g, b)
  self.rgb = '#'\
             "#{r.to_s(16).rjust(2, '0')}"\
             "#{g.to_s(16).rjust(2, '0')}"\
             "#{b.to_s(16).rjust(2, '0')}"
  r /= 255.0
  g /= 255.0
  b /= 255.0
  max = [r, g, b].max
  min = [r, g, b].min
  delta = max - min
  v = max * 255
  s = 0.0
  s = delta / max * 255 if max != 0.0
  if s == 0.0
    h = 0.0
  else
    if r == max
      h = (g - b) / delta
    elsif g == max
      h = 2 + (b - r) / delta
    elsif b == max
      h = 4 + (r - g) / delta
    end
    h *= 60.0
    h += 360.0 if h.negative?
  end
  self.hue = h.round
  self.saturation = s.round
  self.brightness = v.round
end

#to_h ⇒ Object 



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# File 'lib/tuya_cloud/device.rb', line 193

def to_h
  { hue: hue,
    saturation: saturation,
    brightness: brightness,
    rgb: rgb }
end