Class: ReportEngine::PdfCanvas

Inherits:
Object
  • Object
show all
Defined in:
lib/report_engine/pdf_canvas.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PdfCanvas

Returns a new instance of PdfCanvas.



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# File 'lib/report_engine/pdf_canvas.rb', line 6

def initialize
  @pdf      = Prawn::Document.new()
end

Instance Attribute Details

#pdf ⇒ Object (readonly)

Returns the value of attribute pdf.



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# File 'lib/report_engine/pdf_canvas.rb', line 4

def pdf
  @pdf
end

Instance Method Details

#add(element) ⇒ Object 



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# File 'lib/report_engine/pdf_canvas.rb', line 18

def add(element)
  element.render(@pdf)
end

#add_block(&blk) ⇒ Object 



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# File 'lib/report_engine/pdf_canvas.rb', line 22

def add_block(&blk)
  success = @pdf.transaction do
    blk.call @pdf
    @pdf.rollback if @pdf.cursor < 0
  end
  unless success
    @pdf.start_new_page
    blk.call @pdf
  end
end

#paint(klass, options) ⇒ Object 



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# File 'lib/report_engine/pdf_canvas.rb', line 33

def paint(klass, options)
  ReportEngine::Pdf.const_get(klass.to_s.camelize).new(self, options).render
end

#render ⇒ Object 



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# File 'lib/report_engine/pdf_canvas.rb', line 14

def render
  @pdf.render
end

#render_file(filename) ⇒ Object 



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# File 'lib/report_engine/pdf_canvas.rb', line 10

def render_file(filename)
  @pdf.render_file(filename)
end