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#! /usr/bin/env lua
-- vim:sw=4:sts=4
--
-- Example to make a screenshot of another window and display it in
-- our own window with automatic update.
--
require 'clutter'
require 'gdk' -- required for the "Window" data type.
-- get the XID, which is an unsigned long.
win_remote = arg[1]
if not win_remote then
print('Usage: '..arg[0]..' <windowid> (can be found with xwininfo)')
return
end
win_remote = tonumber(win_remote)
clutter.init(0, nil)
stage = clutter.stage_get_default()
stage:set_size(300, 300)
stage:set_title"Clutter Window Hijack Demo"
color = clutter.new "Color"
color:from_pixel(0x999999ff)
stage:set_color(color)
-- tex=clutter.glx_texture_pixmap_new_with_window(win_remote)
tex = clutter.x11_texture_pixmap_new_with_window(win_remote)
tex:set_filter_quality(clutter.TEXTURE_QUALITY_MEDIUM)
tex:set_automatic(true)
-- print(tex, tex:get"window")
stage:add_actor(tex)
stage:show_all()
clutter.main()
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