Class: Postsvg::Svg::Paint

Inherits:
Struct
  • Object
show all
Defined in:
lib/postsvg/svg/paint.rb

Overview

Paint value object: resolves a CSS-style paint value to either a Color instance, a paint-server URL reference (gradient / pattern id), or :none.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#kind ⇒ Object

Returns the value of attribute kind

Returns:

  • (Object) —

    the current value of kind



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# File 'lib/postsvg/svg/paint.rb', line 8

def kind
  @kind
end

#value ⇒ Object

Returns the value of attribute value

Returns:

  • (Object) —

    the current value of value



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# File 'lib/postsvg/svg/paint.rb', line 8

def value
  @value
end

Class Method Details

.parse(text) ⇒ Object 



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# File 'lib/postsvg/svg/paint.rb', line 9

def self.parse(text)
  return Paint.new(kind: :none) if text.nil? || text.strip == "none"

  if text&.start_with?("url(")
    id = text.match(/url\(\s*["']?#([^)\s"']+)/)
    return Paint.new(kind: :reference, value: id && id[1])
  end

  color = begin
    ::Postsvg::Color.parse(text.to_s)
  rescue ArgumentError
    nil
  end
  if color
    Paint.new(kind: :color, value: color)
  else
    Paint.new(kind: :none)
  end
end

Instance Method Details

#color? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/postsvg/svg/paint.rb', line 31

def color? = kind == :color

#none? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/postsvg/svg/paint.rb', line 29

def none? = kind == :none

#reference? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/postsvg/svg/paint.rb', line 30

def reference? = kind == :reference