Class: RubyXL::ColorConvenienceClasses::HlsColor
- Inherits:
-
Object
- Object
- RubyXL::ColorConvenienceClasses::HlsColor
- Defined in:
- lib/rubyXL/convenience_methods/color.rb
Instance Attribute Summary collapse
-
#a ⇒ Object
Returns the value of attribute a.
-
#h ⇒ Object
Returns the value of attribute h.
-
#l ⇒ Object
Returns the value of attribute l.
-
#s ⇒ Object
Returns the value of attribute s.
Instance Method Summary collapse
Instance Attribute Details
#a ⇒ Object
Returns the value of attribute a.
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# File 'lib/rubyXL/convenience_methods/color.rb', line 85 def a @a end |
#h ⇒ Object
Returns the value of attribute h.
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# File 'lib/rubyXL/convenience_methods/color.rb', line 85 def h @h end |
#l ⇒ Object
Returns the value of attribute l.
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# File 'lib/rubyXL/convenience_methods/color.rb', line 85 def l @l end |
#s ⇒ Object
Returns the value of attribute s.
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# File 'lib/rubyXL/convenience_methods/color.rb', line 85 def s @s end |
Instance Method Details
#apply_tint(tint) ⇒ Object
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# File 'lib/rubyXL/convenience_methods/color.rb', line 143 def apply_tint(tint) return self if tint.nil? || tint == 0 if tint < 0 then self.l = l * (1.0 + tint); else self.l = l * (1.0 - tint) + tint; end self end |
#to_rgb ⇒ Object
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# File 'lib/rubyXL/convenience_methods/color.rb', line 87 def to_rgb rgb_color = RgbColor.new r = g = b = l if s != 0 then t1 = nil if l < 0.5 then t1 = l * (1.0 + s) else t1 = l + s - (l * s) end t2 = 2.0 * l - t1; h = self.h / 360.0 t_r = h + (1.0 / 3.0) r = set_color(t1, t2, t_r) t_g = h; g = set_color(t1, t2, t_g) t_b = h - (1.0 / 3.0); b = set_color(t1, t2, t_b) end rgb_color.r = (r * 255).round(0).to_i rgb_color.g = (g * 255).round(0).to_i rgb_color.b = (b * 255).round(0).to_i rgb_color.a = (a * 255).round(0).to_i rgb_color end |