Class: RGhost::Border

Inherits:
PsObject show all
Defined in:
lib/rghost/border.rb

Overview

Border object render a border around of vector shapes. Its sketch can be a combination of color, dashes, line joins and line caps. Usually its use inside of object facades, such as, Document, CallbackFacade and PsFacade as parameter :border, for example: d=Document.new d.horizontal_line :middle, :border => { :color => '#058412', :dash => [1,0,2] } You can use it as a new instance of Border and set inside of Document by method set, example: d=Document.new b=Border.new :color => '#058412', :dash => [1,0,2] d.set b d.lineto :x => 2.5, :y => 5 ===Options

  • :color - Facade to Color using the same parameter.
  • :dash - Facade to Dash using the same parameter.
  • :width - Facade to LineWidth using the same parameter.
  • :linejoin - Sets the line join parameter in the graphics state to int, which must be one of the integers 0, 1, or 2. ====:linejoin examples
  • Miter join link:images/linejoin0.png :linejoin => 0
  • Round join link:images/linejoin1.png :linejoin => 1
  • Bevel join link:images/linejoin2.png :linejoin => 2
  • :linecap - Sets the line cap parameter in the graphics state to int, which must be one of the integers 0, 1, or 2 ====:linecap examples
  • Butt cap link:images/linecap0.png :linecap => 0
  • Round cap link:images/linecap1.png :linecap => 1
  • Projecting square cap link:images/linecap2.png :linecap => 2

Constant Summary collapse

DEFAULT_OPTIONS = 
{:color => '#49AAFA', :dash => false, :width => 0.5, :linejoin => 0, :linecap => 0  }

Instance Method Summary collapse

Methods inherited from PsObject

#<<, #call, #graphic_scope, #raw, #set, #to_s

Constructor Details

#initialize(options = {}) ⇒ Border

aqui tem documentação



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# File 'lib/rghost/border.rb', line 28

def initialize(options={})
  super(""){}
  @options = DEFAULT_OPTIONS.dup.merge(options)
end

Instance Method Details

#ps ⇒ Object

:nodoc:



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# File 'lib/rghost/border.rb', line 33

def ps #:nodoc:
  p=RGhost::PsObject.new
  p.set RGhost::LineWidth.new(@options[:width]) if @options[:width]
  p.raw "#{@options[:linejoin]} setlinejoin"
  p.raw "#{@options[:linecap]} setlinecap"
  p.set RGhost::Dash.new(@options[:dash])       if @options[:dash]
  p.set RGhost::Color.create(@options[:color])  if @options[:color]
  p
end