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# coding: UTF-8
#============================================================+
# Begin : 2008-03-04
# Last Update : 2010-05-20
#
# Description : Example 026 for RBPDF class
# Text Rendering Modes and Text Clipping
#
# Author: Jun NAITOH
# License: LGPL 2.1 or later
#============================================================+
require("example_common.rb")
class Example026Controller < 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 026')
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 + ' 026', 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', '', 22)
# add a page
pdf.add_page()
# set color for text stroke
pdf.set_draw_color(255,0,0)
pdf.set_text_rendering_mode(stroke=0, fill=true, clip=false)
pdf.write(0, 'Fill text', '', 0, '', true, 0, false, false, 0)
pdf.set_text_rendering_mode(stroke=0.2, fill=false, clip=false)
pdf.write(0, 'Stroke text', '', 0, '', true, 0, false, false, 0)
pdf.set_text_rendering_mode(stroke=0.2, fill=true, clip=false)
pdf.write(0, 'Fill, then stroke text', '', 0, '', true, 0, false, false, 0)
pdf.set_text_rendering_mode(stroke=0, fill=false, clip=false)
pdf.write(0, 'Neither fill nor stroke text (invisible)', '', 0, '', true, 0, false, false, 0)
# * * * CLIPPING MODES * * * * * * * * * * * * * * * * * *
pdf.start_transform()
pdf.set_text_rendering_mode(stroke=0, fill=true, clip=true)
pdf.write(0, 'Fill text and add to path for clipping', '', 0, '', true, 0, false, false, 0)
pdf.image(PDF_IMAGE_DEMO_PNG, 15, 65, 170, 10, '', '', '', true, 72)
pdf.stop_transform()
pdf.start_transform()
pdf.set_text_rendering_mode(stroke=0.3, fill=false, clip=true)
pdf.write(0, 'Stroke text and add to path for clipping', '', 0, '', true, 0, false, false, 0)
pdf.image(PDF_IMAGE_DEMO_PNG, 15, 75, 170, 10, '', '', '', true, 72)
pdf.stop_transform()
pdf.start_transform()
pdf.set_text_rendering_mode(stroke=0.3, fill=true, clip=true)
pdf.write(0, 'Fill, then stroke text and add to path for clipping', '', 0, '', true, 0, false, false, 0)
pdf.image(PDF_IMAGE_DEMO_PNG, 15, 85, 170, 10, '', '', '', true, 72)
pdf.stop_transform()
pdf.start_transform()
pdf.set_text_rendering_mode(stroke=0, fill=false, clip=true)
pdf.write(0, 'Add text to path for clipping', '', 0, '', true, 0, false, false, 0)
pdf.image(PDF_IMAGE_DEMO_PNG, 15, 95, 170, 10, '', '', '', true, 72)
pdf.stop_transform()
# reset text rendering mode
pdf.set_text_rendering_mode(stroke=0, fill=true, clip=false)
# * * * HTML MODE * * * * * * * * * * * * * * * * * * * * *
# The following attributes were added to HTML:
# stroke : stroke width
# strokecolor : stroke color
# fill : true (default) to fill the font, false otherwise
# create some HTML content with text rendering modes
html = '<span stroke="0" fill="true">HTML Fill text</span><br />'
html << '<span stroke="0.2" fill="false">HTML Stroke text</span><br />'
html << '<span stroke="0.2" fill="true" strokecolor="#FF0000" color="#FFFF00">HTML Fill, then stroke text</span><br />'
html << '<span stroke="0" fill="false">HTML Neither fill nor stroke text (invisible)</span><br />'
# output the HTML content
pdf.write_html(html, true, 0, true, 0)
# ---------------------------------------------------------
# Close and output PDF document
send_data pdf.output(), :type => "application/pdf", :disposition => "inline"
end
end
#============================================================+
# END OF FILE
#============================================================+
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