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Contents
# coding: utf-8
$LOAD_PATH.unshift(File.dirname(__FILE__) + '/../lib')
require 'pdf/wrapper'
require 'tempfile'
require 'rubygems'
gem "pdf-reader", ">=0.7.3"
require 'pdf/reader'
def create_pdf
@output = StringIO.new
@pdf = PDF::Wrapper.new(@output, :paper => :A4)
end
# make some private methods of PDF::Wrapper public for testing
class PDF::Wrapper
public :build_pango_layout
public :calc_image_dimensions
public :default_text_options
public :detect_image_type
public :draw_pdf
public :draw_pixbuf
public :draw_png
public :draw_svg
public :image_dimensions
public :load_librsvg
public :load_libpixbuf
public :load_libpango
public :load_libpoppler
public :user_x_to_device_x
public :user_y_to_device_y
public :device_x_to_user_x
public :device_y_to_user_y
public :validate_color
end
# a helper class for counting the number of pages in a PDF
class PageReceiver
attr_accessor :pages
def initialize
@page_count = 0
end
# Called when page parsing ends
def page_count(arg)
@pages = arg
end
end
# a helper class for recording the dimensions of pages in a PDF
class PageSizeReceiver
attr_accessor :pages
def initialize
@pages = []
end
# Called when page parsing ends
def begin_page(args)
pages << (args["MediaBox"] || args[:MediaBox])
end
end
class PageTextReceiver
attr_accessor :content
def initialize
@content = []
end
# Called when page parsing starts
def begin_page(arg = nil)
@content << ""
end
def show_text(string, *params)
@content.last << string.strip
end
# there's a few text callbacks, so make sure we process them all
alias :super_show_text :show_text
alias :move_to_next_line_and_show_text :show_text
alias :set_spacing_next_line_show_text :show_text
def show_text_with_positioning(*params)
params = params.first
params.each { |str| show_text(str) if str.kind_of?(String) }
end
end
Version data entries
10 entries across 10 versions & 1 rubygems