Sha256: 528aec88347cbf76fbf932f82cffc67d5968c529f6a27fa4aa820947f9de25f7
Contents?: true
Size: 883 Bytes
Versions: 145
Compression:
Stored size: 883 Bytes
Contents
#!/usr/bin/env ruby
require 'poppler'
input = ARGV.first
output = input.sub(/\.pdf$/, "-numbered.pdf")
doc = Poppler::Document.new(input)
first_page = doc[0]
Cairo::PDFSurface.new(output, *first_page.size) do |surface|
context = Cairo::Context.new(surface)
doc.each_with_index do |page, i|
width, height = page.size
surface.set_size(width, height)
context.save do
context.render_poppler_page(page)
end
context.save do
layout = context.create_pango_layout
layout.text = i.to_s
layout.width = width * Pango::SCALE
layout.alignment = Pango::Layout::ALIGN_CENTER
layout.font_description = Pango::FontDescription.new("Sans 288")
context.move_to(0, (height - layout.pixel_size[1]) / 2.0)
context.set_source_rgba(0.1, 0.1, 0.1, 0.5)
context.show_pango_layout(layout)
end
context.show_page
end
end
Version data entries
145 entries across 145 versions & 1 rubygems