Class: PetitFelix::Worker::BasicPDFWriter

Inherits:
DefaultPDFWriter show all
Defined in:
lib/worker/basic_pdf_writer_classic.rb

Instance Method Summary collapse

Methods inherited from DefaultPDFWriter

#add_font, #alternates_pages, #clear_copied_page, #copy_page, #copy_page_data, #paste_page, #reorder_pages, #reorder_pages_for_2_page, #right_to_left, #set_alternate_pages, #set_options, #set_right_to_left

Instance Method Details

#back_page ⇒ Object

Draws back page



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# File 'lib/worker/basic_pdf_writer_classic.rb', line 135

def back_page

	if @options.key?("back_cover")
		if @options["back_cover"]
			if @options.key?("back_extra_page") && @options["back_extra_page"]
				start_new_page()
			end
		
			start_new_page()

			font "back_default"
		
			# draw end text, can be markdown
			font_size(@options["back_text_size"].to_i)
			
			margin = @options["back_text_margin"].to_i
			
			half_margin = (margin * 0.5).floor
			
			bounding_box([half_margin, cursor - 20 - half_margin], 
			width: bounds.width - margin,
			height: 300 - margin) do
				markdown(@options["back_text"], options: @options)
				#transparent(0.5) { stroke_bounds }
			end
		
			# draw art
			
			box_width = 128
			
			bounding_box([bounds.width * 0.5 - 64, cursor - 180], 
			width: bounds.width - 100 - box_width,
			height: box_width) do
			
				if @options.key?("back_cover_image")
					var = PetitFelix::Metadata.new.get_image_location(@options["image_dir"], @options["back_cover_image"])
					
					if File.file?(var)
						image(var,
						width: box_width,
						height: box_width,
						align: :center)
					end
				end
				#transparent(0.5) { stroke_bounds }
			end
			
			# draw name
			
			font "back_author"
			
			font_size(@options["back_author_size"].to_i)
			bounding_box([50, cursor - 20], 
			width: bounds.width - 100,
			height: 40) do
				if @options.key?("back_author")
					text_box(@options["back_author"],
					align: :center)
				end
				#transparent(0.5) { stroke_bounds }
			end
			
			font "back_publish"
			
			font_size(@options["back_publisher_size"].to_i)
			bounding_box([25, cursor - 60], 
			width: bounds.width - 50,
			height: 32) do
			
				text_box(@options["back_publisher"],
				align: :center)
				#transparent(0.5) { stroke_bounds }
			end
	
		end
	end
end

#initialize_font ⇒ Object

Initializes fonts



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# File 'lib/worker/basic_pdf_writer_classic.rb', line 14

def initialize_font

	# Fonts that must always be defined
	fonts = [
		"quote",
		"header1",
		"header2",
		"header3",
		"header4",
		"header5",
		"header6",
		"front_default", # Default title text
		"back_default", # Default title text
		"paginator",
	]
	
	fonts_special_default = {
		"front_title" => "front_default",	# Title Text
		"front_author" => "front_default",	# Author Text
		"front_date" => "front_default", # Date Text
		"front_publish" => "front_default", # Publication Text
		"back_author" => "back_default", # Publication Text
		"back_publish" => "back_default", # Publication Text
	}

	add_font "default"
	
	# Adds the fonts in the options
	fonts.each do |key|
		add_font key
		@options[key +"_font"] = key
	end
	
	# Adds special fonts with custom default fonts
	fonts_special_default.keys.each do |key|
		add_font key, default_font: fonts_special_default[key]
		@options[key +"_font"] = key
	end
	
end

#main_block(content) ⇒ Object

Draws the main block of content



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# File 'lib/worker/basic_pdf_writer_classic.rb', line 302

def main_block(content)
	font "default"

	margin = 25
	columns = 1
	
	if @options.key?("margin")
		margin = @options["margin"].to_i
	end
	
	if @options.key?("columns")
		columns = @options["columns"].to_i
	end

	half_margin = (margin * 0.5).floor()

	# content generation
	font_size(@options["default_font_size"].to_i)
	
	base_margin = [{
			:left => 10,
			:right => 10,
			:top => 10,
			:bottom => 30
		}]

	begin
		obj = PetitFelix::Metadata.new.parse_property @options["markdown_margin_array"], "{\"margin\" : ${x}}"
	
		base_margin = obj[:margin]
	
	rescue
		if @options.key?("markdown_margin_array")
			print "\n"
			print "Note: unable to parse argument #{@options["markdown_margin_array"]}"
		end
	end
	
	if columns == 1

		bounding_box([0, cursor],
			width: bounds.width,
			height: bounds.height,
			base_margins: base_margin) do
			markdown(content, options: @options)
		end
		
	else
	
		column_box([0, cursor],
			columns: columns,
			width: bounds.width,
			height: [bounds.height, bounds.height].min,
			base_margins: base_margin) do
			
			markdown(content, options: @options)
			
		end
	end
	
end

#output ⇒ Object 



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# File 'lib/worker/basic_pdf_writer_classic.rb', line 55

def output
	fileedit = PetitFelix::FileManager.new

	file_output = fileedit.file_array_from_string(@options["output_dir"]) + [@options["output_file"]]

	file = File.join(file_output)

	FileUtils.mkdir_p File.dirname(file)
	
	render_file(file)
end

#page_numbering ⇒ Object

Draws page numbering



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# File 'lib/worker/basic_pdf_writer_classic.rb', line 69

def page_numbering

	if @options.key?("paginator")
		if @options["paginator"]
		
			font "paginator"
		
			font_size(@options["paginator_size"].to_i)
			
			string = "#{@options["title"]}: <page>"
			
			page_start_count = @options["paginator_start_count"].to_i
			page_start = @options["paginator_start"].to_i
			
			align_odd = :left
			align_even = :right
			
			if @options["front_extra_page"]
				page_start += 1
				align_odd = :right
				align_even = :left
			end
			
			if @options["paginator_alternate"]
			
				odd_options = {
					at: [0, 0],
					width: bounds.width,
					align: align_odd,
					start_count_at: page_start_count,
				}
				
				odd_options[:page_filter] = ->(pg) { pg > page_start && pg % 2 == 1 }
				
				even_options = {
					at: [bounds.left, 0],
					width: bounds.width,
					align: align_even,
					start_count_at: page_start_count + 1,
				}
				
				even_options[:page_filter] = ->(pg) { pg > page_start && pg % 2 == 0 }
				
				number_pages string, odd_options
				number_pages string, even_options
				
			else
			
				options = {
					at: [0, -10],
					width: bounds.width,
					align: :right,
					start_count_at: page_start_count,
					color: '000000'
				}
				options[:page_filter] = ->(pg) { pg > page_start }
				
				number_pages string, options
				
			end
			
		end
	end
end

#title_page ⇒ Object

Draws title page



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# File 'lib/worker/basic_pdf_writer_classic.rb', line 215

def title_page
	
	if @options.key?("front_cover")
		if @options["front_cover"]
	
				font "front_title"
	
			# draw title text
			font_size(@options["front_title_size"].to_i)
			bounding_box([25, cursor ], 
			width: bounds.width - 50,
			height: 250) do
				text_box(@options["title"],
				align: :center,
				style: :bold)
				#transparent(0.5) { stroke_bounds }
			end
			
			# draw art
			
			box_width = bounds.width - 150
			
			bounding_box([50, cursor + 10], 
			width: box_width,
			height: box_width) do
			
				if @options.key?("front_cover_image")
					var = PetitFelix::Metadata.new.get_image_location(@options["image_dir"], @options["front_cover_image"])
					
					if File.file?(var)
						image(var,
						width: box_width,
						height: box_width)
					end
				end
				#transparent(0.5) { stroke_bounds }
			end
			
			font "front_author"
			
			# draw author
			
			font_size(@options["front_author_size"].to_i)
			bounding_box([50, cursor - 10], 
			width: bounds.width - 100,
			height: 30) do
				if @options.key?("author")
					text_box(@options["author"],
					align: :center)
				end
				#transparent(0.5) { stroke_bounds }
			end
			
			font "front_date"
			
			font_size(@options["front_date_size"].to_i)
			bounding_box([50, cursor], 
			width: bounds.width - 100,
			height: 30) do
				text_box("Original Publication: #{@options["date"]}",#.strftime('%e %B, %Y'),
				align: :center)
				#transparent(0.5) { stroke_bounds }
			end
			
			font "front_publish"
			
			font_size(@options["front_publisher_size"].to_i)
			bounding_box([25, cursor - 20], 
			width: bounds.width - 50,
			height: 32) do
			
				text_box(@options["front_publisher"],
				align: :center)
				#transparent(0.5) { stroke_bounds }
			end
			
			start_new_page()
			if @options.key?("front_extra_page") && @options["front_extra_page"]
				start_new_page()
			end
			
		end
	end
	
end