/usr/share/doc/cairo-5c/animate.5c is in cairo-5c 1.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | /*
* Copyright © 2004 Keith Packard
*
* This library is free software; you can redistribute it and/or
* modify it either under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation
* (the "LGPL") or, at your option, under the terms of the Mozilla
* Public License Version 1.1 (the "MPL"). If you do not alter this
* notice, a recipient may use your version of this file under either
* the MPL or the LGPL.
*
* You should have received a copy of the LGPL along with this library
* in the file COPYING-LGPL-2.1; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* You should have received a copy of the MPL along with this library
* in the file COPYING-MPL-1.1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
* OF ANY KIND, either express or implied. See the LGPL or the MPL for
* the specific language governing rights and limitations.
*
* The Original Code is the cairo graphics library.
*
* The Initial Developer of the Original Code is Keith Packard
*
* Contributor(s):
* Keith Packard <keithp@keithp.com>
*/
autoimport Cairo;
void picture (cairo_t cr)
{
save (cr);
set_source_rgb (cr, 0.6, .6, 1);
move_to (cr, -10, 18);
show_text (cr, "nickle");
set_source_rgba (cr, 0, 0, 0, 0.5);
rotate (cr, pi/2);
move_to (cr, -10, -5);
show_text (cr, "cairo");
restore (cr);
}
void my_transform (cairo_t cr, real t)
{
translate (cr, 50, 50);
rotate (cr, t * pi / 60);
}
void animate (cairo_t cr, int n, int m)
{
cr = dup (cr);
set_font (cr, "Gadget-24");
real t = 0;
for (;;)
{
disable (cr);
save (cr);
translate (cr, n * 100, m * 100);
set_source_rgb (cr, 1, 1, 1);
rectangle (cr, 0, 0, 100, 100);
clip (cr);
rectangle (cr, 0, 0, 100, 100);
fill (cr);
my_transform (cr, t);
picture (cr);
restore (cr);
enable (cr);
sleep (100);
t += n + m + 1;
}
}
void main ()
{
cairo_t cr = new ();
thread t;
for (int y = 0; y < 10; y++)
for (int x = 0; x < 10; x++)
t = fork animate (cr, x, y);
Thread::join (t);
}
if (dim(argv) > 0) main ();
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