Class: PDF::Core::GraphicState

Inherits:
Object
  • Object
show all
Defined in:
lib/pdf/core/graphics_state.rb

Overview

NOTE: This class may be a good candidate for a copy-on-write hash.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(previous_state = nil) ⇒ GraphicState

Returns a new instance of GraphicState.



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# File 'lib/pdf/core/graphics_state.rb', line 49

def initialize(previous_state = nil)
  if previous_state
    initialize_copy(previous_state)
  else
    @color_space  = {}
    @fill_color   = '000000'
    @stroke_color = '000000'
    @dash         = { dash: nil, space: nil, phase: 0 }
    @cap_style    = :butt
    @join_style   = :miter
    @line_width   = 1
  end
end

Instance Attribute Details

#cap_style ⇒ Object

Returns the value of attribute cap_style.



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# File 'lib/pdf/core/graphics_state.rb', line 46

def cap_style
  @cap_style
end

#color_space ⇒ Object

Returns the value of attribute color_space.



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# File 'lib/pdf/core/graphics_state.rb', line 46

def color_space
  @color_space
end

#dash ⇒ Object

Returns the value of attribute dash.



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# File 'lib/pdf/core/graphics_state.rb', line 46

def dash
  @dash
end

#fill_color ⇒ Object

Returns the value of attribute fill_color.



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# File 'lib/pdf/core/graphics_state.rb', line 46

def fill_color
  @fill_color
end

#join_style ⇒ Object

Returns the value of attribute join_style.



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# File 'lib/pdf/core/graphics_state.rb', line 46

def join_style
  @join_style
end

#line_width ⇒ Object

Returns the value of attribute line_width.



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# File 'lib/pdf/core/graphics_state.rb', line 46

def line_width
  @line_width
end

#stroke_color ⇒ Object

Returns the value of attribute stroke_color.



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# File 'lib/pdf/core/graphics_state.rb', line 46

def stroke_color
  @stroke_color
end

Instance Method Details

#dash_setting ⇒ Object 



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# File 'lib/pdf/core/graphics_state.rb', line 63

def dash_setting
  return '[] 0 d' unless @dash[:dash]

  array = if @dash[:dash].is_a?(Array)
            @dash[:dash]
          else
            [@dash[:dash], @dash[:space]]
          end

  "[#{PDF::Core.real_params(array)}] "\
    "#{PDF::Core.real(@dash[:phase])} d"
end