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#!/usr/bin/env ruby
require 'gtk3'
require 'rsvg2'
if ARGV.size != 1
puts "usage: #{$0} input.svg"
exit(-1)
end
input = ARGV.shift
handle = Rsvg::Handle.new(:path => input)
width, height = handle.dimensions.to_a
window = Gtk::Window.new
window.set_default_size(width, height)
window.signal_connect(:destroy) { Gtk.main_quit }
area = Gtk::DrawingArea.new
area.signal_connect(:draw) do |widget, _event|
context = widget.window.create_cairo_context
window_width, window_height = widget.window.width, widget.window.height
context.scale(window_width.to_f / width, window_height.to_f / height)
context.render_rsvg_handle(handle)
end
window.add(area)
window.show_all
Gtk.main
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