Class: Laser::Cutter::Renderer::MetaRenderer

Inherits:
Base
  • Object
show all
Defined in:
lib/laser-cutter/renderer/meta_renderer.rb

Constant Summary collapse

META_KEYS = 
%w(units width height depth thickness notch kerf stroke padding margin page_size page_layout)

Constants inherited from Base

Base::BLACK, Base::BLUE

Instance Attribute Summary

Attributes inherited from Base

#config, #enclosure, #page_manager, #subject

Instance Method Summary collapse

Methods inherited from Base

#units

Constructor Details

#initialize(config = {}) ⇒ MetaRenderer

Returns a new instance of MetaRenderer.



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# File 'lib/laser-cutter/renderer/meta_renderer.rb', line 6

def initialize(config = {})
  self.config = config
  self.enclosure = Laser::Cutter::Geometry::Rect.create(Laser::Cutter::Geometry::Point[1, 1], 140, 150)
end

Instance Method Details

#render(pdf = nil) ⇒ Object 



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# File 'lib/laser-cutter/renderer/meta_renderer.rb', line 11

def render pdf = nil
  banner = "\n  Made with Laser Cutter Ruby Gem (v\#{Laser::Cutter::VERSION})\n  Credits to Prawn for ruby PDF generation,\n  and BoxMaker for inspiration.\n\n  Online: http://makeabox.io/\n  Source: https://github.com/kigster/laser-cutter\n  EOF\n\n  meta_color = BLUE\n  meta_top_height = 55\n\n  metadata = config.to_hash\n  metadata['page_size'] ||= 'custom'\n  metadata.delete('page_layout') if metadata['page_size'].eql?('custom')\n\n  meta_fields = META_KEYS.find_all{|k| metadata[k]}.join(\": \\n\") + \": \\n\"\n  meta_values = META_KEYS.find_all{|k| metadata[k]}.map{|k| metadata[k] }.join(\"\\n\")\n\n  rect = self.enclosure\n\n  pdf.instance_eval do\n    self.line_width = 0.2.mm\n    float do\n      bounding_box([rect.p1.x, rect.h + rect.p1.y], :width => rect.w, :height => rect.h) do\n        stroke_color meta_color\n        stroke_bounds\n\n        # Print banner\n        indent 10 do\n          font('Helvetica', :size => 6) do\n            text banner, :color => meta_color\n          end\n        end\n\n        # print values of the config, in two parts \u2013 keys right aligned first, values left aligned second.\n        float do\n          bounding_box([0, rect.h - meta_top_height],\n                       :width => rect.w,\n                       :height => rect.h - meta_top_height) do\n            float do\n              bounding_box([0, rect.h - meta_top_height], :width => 70, :height => rect.h - meta_top_height) do\n                indent 10 do\n                  font('Helvetica', :size => 7) do\n                    text meta_fields, :color => meta_color, align: :right\n                  end\n                end\n              end\n            end\n            float do\n              bounding_box([60, rect.h - meta_top_height], :width => 70, :height => rect.h - meta_top_height) do\n                indent 10 do\n                  font('Helvetica', :size => 7) do\n                    text meta_values, :color => meta_color\n                  end\n                end\n              end\n            end\n          end\n        end\n      end\n    end\n  end\nend\n"