Contents

# frozen_string_literal: true

module Thinreports
  module Generator
    module PrawnExt
      module WidthOf
        # TODO: Remove this path when a version of prawn that includes the following PR is released:
        # https://github.com/prawnpdf/prawn/pull/1117
        #
        # This PR makes this patch unnecessary.
        #
        #
        # Subtract the width of one character space from the string width calculation result.
        #
        # The original Prawn::Document#width_of returns the following result:
        #
        #  Width of Character is 1
        #  Width of Character Space is 1
        #
        #   width_of('abcd') #=> 4 + 4 = 8
        #
        # In this width_of, returns the following result:
        #
        #   width_of('abcd') #=> 4 + 3 = 7
        #
        def width_of(*)
          width = super - character_spacing
          width > 0 ? width : 0
        end
      end
    end
  end
end

Prawn::Document.prepend Thinreports::Generator::PrawnExt::WidthOf

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
thinreports-0.11.0	lib/thinreports/generator/pdf/prawn_ext/width_of.rb