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# GIMP - The GNU Image Manipulation Program
# Copyright (C) 1995 Spencer Kimball and Peter Mattis
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# This program 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 General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# "Perlized" from C source by Manish Singh <yosh@gimp.org>
sub debug_timer_start {
$blurb = 'Starts measuring elapsed time.';
$help = <<'HELP';
This procedure starts a timer, measuring the elapsed time since the call.
Each call to this procedure should be matched by a call to
gimp_debug_timer_end(), which returns the elapsed time.
If there is already an active timer, it is not affected by the call, however, a
matching gimp_debug_timer_end() call is still required.
HELP
&ell_pdb_misc('2017');
&std_pdb_debug();
%invoke = (
code => <<'CODE'
{
if (gimp_debug_timer_counter++ == 0)
gimp_debug_timer = g_timer_new ();
}
CODE
);
}
sub debug_timer_end {
$blurb = 'Finishes measuring elapsed time.';
$help = <<'HELP';
This procedure stops the timer started by a previous gimp_debug_timer_start()
call, and prints and returns the elapsed time.
If there was already an active timer at the time of corresponding call to
gimp_debug_timer_start(), a dummy value is returned.
HELP
&ell_pdb_misc('2017');
&std_pdb_debug();
@outargs = (
{ name => 'elapsed', type => 'float',
desc => 'The elapsed time, in seconds' }
);
%invoke = (
code => <<'CODE'
{
elapsed = 0.0;
if (gimp_debug_timer_counter == 0)
success = FALSE;
else if (--gimp_debug_timer_counter == 0)
{
elapsed = g_timer_elapsed (gimp_debug_timer, NULL);
g_printerr ("GIMP debug timer: %g seconds\n", elapsed);
g_timer_destroy (gimp_debug_timer);
gimp_debug_timer = NULL;
}
}
CODE
);
}
$extra{app}->{code} = <<'CODE';
static GTimer *gimp_debug_timer = NULL;
static gint gimp_debug_timer_counter = 0;
CODE
@procs = qw(debug_timer_start debug_timer_end);
%exports = (app => [@procs], lib => [@procs]);
$desc = 'Debug';
$doc_title = 'gimpdebug';
$doc_short_desc = 'Debug utility functions';
$doc_long_desc = 'Miscellaneous debug utility functions. Not part of the stable library interface.';
1;
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