1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
# Copyright (C) 2017 Ruby-GNOME2 Project Team
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
require "cgi/util"
require "webkit2-gtk"
if ARGV.empty?
puts("Usage: #{$0} URL...")
puts(" e.g.: #{$0} https://webkitgtk.org/ https://www.gtk.org/")
exit(false)
end
main_loop = GLib::MainLoop.new
view_context = WebKit2Gtk::WebContext.new(ephemeral: true)
view = WebKit2Gtk::WebView.new(context: view_context)
window = Gtk::OffscreenWindow.new
window.add(view)
window.set_default_size(800, 600)
window.show_all
ARGV.each do |uri|
view.load_uri(uri)
view.signal_connect("load-changed") do |_, load_event|
case load_event
when WebKit2Gtk::LoadEvent::FINISHED
view.get_snapshot(:full_document, :none) do |_, result|
main_loop.quit
snapshot_surface = view.get_snapshot_finish(result)
base_path = CGI.escape(uri)
snapshot_surface.write_to_png("#{base_path}.png")
width = 200
height = 200
thumbnail_surface = Cairo::ImageSurface.new(:argb32, width, height)
context = Cairo::Context.new(thumbnail_surface)
context.set_source_color(:white)
context.paint
ratio = width.to_f / snapshot_surface.width
context.scale(ratio, ratio)
context.set_source(snapshot_surface)
context.paint
thumbnail_surface.write_to_png("#{base_path}.thumbnail.png")
end
end
end
view.signal_connect("load-failed") do |_, _, failed_uri, error|
main_loop.quit
message = "failed to load URI: #{failed_uri}: "
message << "#{error.class}(#{error.code}): #{error.message}"
puts(message)
true
end
main_loop.run
end
|
