Class: CTioga2::Graphics::Styles::TwoPointGradient

Inherits:
BasicStyle
  • Object
show all
Includes:
Log
Defined in:
lib/ctioga2/graphics/styles/gradients.rb

Overview

TODO:

This will have to be replaced by a real color map based

A color gradient with two points

todo There could be many more

on what

Constant Summary

Constants inherited from BasicStyle

BasicStyle::OldAttrAccessor

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Log

debug, error, fatal, #format_exception, #identify, info, init_logger, logger, set_level, #spawn, warn

Methods inherited from BasicStyle

attr_accessor, attributes, from_hash, #instance_variable_defined?, #set_from_hash, #to_hash, #update_from_other

Constructor Details

#initialize(s, e) ⇒ TwoPointGradient

Returns a new instance of TwoPointGradient.



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# File 'lib/ctioga2/graphics/styles/gradients.rb', line 45

def initialize(s,e)
  warn { "This class shouldn't be used anymore at #{caller.inspect}" }
  @start = s
  @end = e
end

Instance Attribute Details

#end ⇒ Object

The ending color (for x = 1)



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# File 'lib/ctioga2/graphics/styles/gradients.rb', line 43

def end
  @end
end

#start ⇒ Object

The starting color (for x = 0)



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# File 'lib/ctioga2/graphics/styles/gradients.rb', line 40

def start
  @start
end

Instance Method Details

#color(x) ⇒ Object

Returns the color for the given value of x (between 0 and 1)



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# File 'lib/ctioga2/graphics/styles/gradients.rb', line 52

def color(x)
  return Utils::mix_objects(@end,@start, x)
end