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# coding: UTF-8
#============================================================+
# Begin : 2008-03-04
# Last Update : 2010-05-20
#
# Description : Example 024 for RBPDF class
# Object Visibility
#
# Author: Jun NAITOH
# License: LGPL 2.1 or later
#============================================================+
require("example_common.rb")
class Example024Controller < 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 024')
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 + ' 024', 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('times', '', 18)
# add a page
pdf.add_page()
#
# set_visibility() allows to restrict the rendering of some
# elements to screen or printout. This can be useful, for
# instance, to put a background image or color that will
# show on screen but won't print.
#
txt = 'You can limit the visibility of PDF objects to screen or printer by using the set_visibility() method.
Check the print preview of this document to display the alternative text.'
pdf.write(0, txt, '', 0, '', true, 0, false, false, 0)
# change font size
pdf.set_font_size(40)
# change text color
pdf.set_text_color(0,63,127)
# set visibility only for screen
pdf.set_visibility('screen')
# write something only for screen
pdf.write(0, '[This line is for display]', '', 0, 'C', true, 0, false, false, 0)
# set visibility only for print
pdf.set_visibility('print')
# change text color
pdf.set_text_color(127,0,0)
# write something only for print
pdf.write(0, '[This line is for printout]', '', 0, 'C', true, 0, false, false, 0)
# restore visibility
pdf.set_visibility('all')
# ---------------------------------------------------------
# Close and output PDF document
send_data pdf.output(), :type => "application/pdf", :disposition => "inline"
end
end
#============================================================+
# END OF FILE
#============================================================+
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