Module: Origami::ResourcesHolder

Included in:
Graphics::FormXObject, Graphics::Pattern::Tiling, Page, Resources
Defined in:
lib/origami/page.rb

Instance Method Summary collapse

Instance Method Details

#add_colorspace(colorspace, name = nil) ⇒ Object 



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# File 'lib/origami/page.rb', line 121

def add_colorspace(colorspace, name = nil)
  add_resource(Resources::COLORSPACE, colorspace, name)
end

#add_extgstate(extgstate, name = nil) ⇒ Object 



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# File 'lib/origami/page.rb', line 117

def add_extgstate(extgstate, name = nil)
  add_resource(Resources::EXTGSTATE, extgstate, name)
end

#add_font(font, name = nil) ⇒ Object 



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# File 'lib/origami/page.rb', line 137

def add_font(font, name = nil)
  add_resource(Resources::FONT, font, name)
end

#add_pattern(pattern, name = nil) ⇒ Object 



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# File 'lib/origami/page.rb', line 125

def add_pattern(pattern, name = nil)
  add_resource(Resources::PATTERN, pattern, name)
end

#add_properties(properties, name = nil) ⇒ Object 



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# File 'lib/origami/page.rb', line 141

def add_properties(properties, name = nil)
  add_resource(Resources::PROPERTIES, properties, name)
end

#add_resource(type, rsrc, name = nil) ⇒ Object 



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# File 'lib/origami/page.rb', line 145

def add_resource(type, rsrc, name = nil)
  return existing if not name and existing = ls_resources(type).key(rsrc)

  name = new_id(type) unless name
  target = self.is_a?(Resources) ? self : (self.Resources ||= Resources.new)

  rsrc_dict = target.send(type) || (target[type] = Dictionary.new)
  rsrc_dict[name] = rsrc

  name
end

#add_shading(shading, name = nil) ⇒ Object 



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# File 'lib/origami/page.rb', line 129

def add_shading(shading, name = nil)
  add_resource(Resources::SHADING, shading, name)
end

#add_xobject(xobject, name = nil) ⇒ Object 



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# File 'lib/origami/page.rb', line 133

def add_xobject(xobject, name = nil)
  add_resource(Resources::XOBJECT, xobject, name)
end

#colorspaces ⇒ Object 



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# File 'lib/origami/page.rb', line 169

def colorspaces; ls_resources(Resources::COLORSPACE) end

#extgstates ⇒ Object 



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# File 'lib/origami/page.rb', line 168

def extgstates; ls_resources(Resources::EXTGSTATE) end

#fonts ⇒ Object 



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# File 'lib/origami/page.rb', line 173

def fonts; ls_resources(Resources::FONT) end

#ls_resources(type) ⇒ Object 



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# File 'lib/origami/page.rb', line 157

def ls_resources(type)
  target = self.is_a?(Resources) ? self : (self.Resources ||= Resources.new)
  
  rsrc = {}
  (target.send(type) || {}).each_pair do |name, obj|
    rsrc[name.value] = obj.solve
  end

  rsrc
end

#patterns ⇒ Object 



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# File 'lib/origami/page.rb', line 170

def patterns; ls_resources(Resources::PATTERN) end

#properties ⇒ Object 



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# File 'lib/origami/page.rb', line 174

def properties; ls_resources(Resources::PROPERTIES) end

#resources ⇒ Object 



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# File 'lib/origami/page.rb', line 175

def resources;
  self.extgstates.
    merge self.colorspaces.
    merge self.patterns.
    merge self.shadings.
    merge self.xobjects.
    merge self.fonts.
    merge self.properties
end

#shadings ⇒ Object 



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# File 'lib/origami/page.rb', line 171

def shadings; ls_resources(Resources::SHADING) end

#xobjects ⇒ Object 



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# File 'lib/origami/page.rb', line 172

def xobjects; ls_resources(Resources::XOBJECT) end