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# coding: UTF-8
#============================================================+
# Begin : 2009-10-21
# Last Update : 2010-05-20
#
# Description : Example 055 for RBPDF class
# Display all characters available on core fonts.
#
# Author: Jun NAITOH
# License: LGPL 2.1 or later
#============================================================+
require("example_common.rb")
class Example055Controller < ApplicationController
def index
# create new PDF document
pdf = RBPDF.new(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false)
# set document information
pdf.set_creator(PDF_CREATOR)
pdf.set_author(PDF_AUTHOR)
pdf.set_title('RBPDF Example 055')
pdf.set_subject('RBPDF Tutorial')
pdf.set_keywords('RBPDF, PDF, example, test, guide')
# set default header data
pdf.set_header_data(PDF_HEADER_LOGO, PDF_HEADER_LOGO_WIDTH, PDF_HEADER_TITLE + ' 055', PDF_HEADER_STRING)
# set header and footer fonts
pdf.set_header_font([PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN])
pdf.set_footer_font([PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA])
# set default monospaced font
pdf.set_default_monospaced_font(PDF_FONT_MONOSPACED)
# set margins
pdf.set_margins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT)
pdf.set_header_margin(PDF_MARGIN_HEADER)
pdf.set_footer_margin(PDF_MARGIN_FOOTER)
# set auto page breaks
pdf.set_auto_page_break(true, PDF_MARGIN_BOTTOM)
# set image scale factor
pdf.set_image_scale(PDF_IMAGE_SCALE_RATIO)
# set some language-dependent strings
pdf.set_language_array($l)
# ---------------------------------------------------------
# set font
pdf.set_font('helvetica', '', 10)
# add a page
pdf.add_page()
# array of core font names
core_fonts = ['courier', 'helvetica', 'times', 'symbol', 'zapfdingbats']
html = '<h1>Core Fonts Dump</h1>'
# create one HTML table for each core font
core_fonts.each { |font|
# create HTML content
html << '<table cellpadding="1" cellspacing="0" border="1" nobr="true" style="font-family:' + font + ';text-align:center;">'
html << '<tr style="background-color:yellow;"><td colspan="16" style="font-family:helvetica;font-weight:bold">' + font.upcase + '</td></tr><tr>'
# print each character
256.times do |i|
if (i > 0) and (i % 16 == 0)
html << '</tr><tr>'
end
if i != 0
chr = pdf.unichr(i)
else
chr = ''
end
# replace special characters
chr.gsub!('<', '<')
chr.gsub!('>', '>')
html << '<td>' + chr + '</td>'
end
html << '</tr></table><br /> <br />'
}
# output the HTML content
pdf.write_html(html, true, false, true, false, '')
# ---------------------------------------------------------
# Close and output PDF document
send_data pdf.output(), :type => "application/pdf", :disposition => "inline"
end
end
#============================================================+
# END OF FILE
#============================================================+
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