run.rb

require_relative '../lib/fillable-pdf'

BASE64_PHOTO = 'iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==' # rubocop:disable Layout/LineLength

# opening a fillable PDF
pdf = FillablePDF.new('input.pdf')

# total number of fields
if pdf.any_fields?
  puts "The form has a total of #{pdf.num_fields} fields."
else
  puts 'The form is not fillable.'
end

puts

# setting form fields
pdf.set_fields({first_name: 'Richard', last_name: 'Rahl'})
pdf.set_fields(
  {football: 'Yes', baseball: 'Yes', basketball: 'Yes', nascar: 'Yes', hockey: 'Yes', rugby: 'Yes'},
  generate_appearance: false
)
pdf.set_field(:date, Time.now.strftime('%B %e, %Y'))
pdf.set_field(:newsletter, 'Off') # uncheck the checkbox
pdf.set_field(:language, 'dart') # select a radio button option
pdf.set_image_base64(:photo, BASE64_PHOTO)
pdf.set_image(:signature, 'signature.png')

# list of fields
puts "Fields hash: #{pdf.fields}"

puts

# list of field names
puts "Keys: #{pdf.names}"

puts

# list of field values
puts "Values: #{pdf.values}"

puts

# Checking field type
if pdf.field_type(:rugby) == FillablePDF::Field::BUTTON
  puts "Field 'football' is of type BUTTON"
else
  puts "Field 'football' is not of type BUTTON"
end

puts

# Renaming field
pdf.rename_field :last_name, :surname
puts "Renamed field 'last_name' to 'surname'"

puts

# Removing field
pdf.remove_field :marketing
puts "Removed field 'marketing'"

# saving the filled out PDF in another file
pdf.save_as('output.pdf')

# saving another copy of the filled out PDF in another file and making it non-editable
pdf = FillablePDF.new('output.pdf')
pdf.save_as 'output.flat.pdf', flatten: true

# closing the document
pdf.close