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/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M M OOO N N IIIII TTTTT OOO RRRR %
% MM MM O O NN N I T O O R R %
% M M M O O N N N I T O O RRRR %
% M M O O N NN I T O O R R %
% M M OOO N N IIIII T OOO R R %
% %
% %
% ImageMagick Progress Monitor Methods %
% %
% %
% Software Design %
% John Cristy %
% December 1995 %
% %
% %
% Copyright (C) 2002 ImageMagick Studio, a non-profit organization dedicated %
% to making software imaging solutions freely available. %
% %
% Permission is hereby granted, free of charge, to any person obtaining a %
% copy of this software and associated documentation files ("ImageMagick"), %
% to deal in ImageMagick without restriction, including without limitation %
% the rights to use, copy, modify, merge, publish, distribute, sublicense, %
% and/or sell copies of ImageMagick, and to permit persons to whom the %
% ImageMagick is furnished to do so, subject to the following conditions: %
% %
% The above copyright notice and this permission notice shall be included in %
% all copies or substantial portions of ImageMagick. %
% %
% The software is provided "as is", without warranty of any kind, express or %
% implied, including but not limited to the warranties of merchantability, %
% fitness for a particular purpose and noninfringement. In no event shall %
% ImageMagick Studio be liable for any claim, damages or other liability, %
% whether in an action of contract, tort or otherwise, arising from, out of %
% or in connection with ImageMagick or the use or other dealings in %
% ImageMagick. %
% %
% Except as contained in this notice, the name of the ImageMagick Studio %
% shall not be used in advertising or otherwise to promote the sale, use or %
% other dealings in ImageMagick without prior written authorization from the %
% ImageMagick Studio. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
%
*/
/*
Include declarations.
*/
#include "magick.h"
#include "define.h"
/*
Global declarations.
*/
static MonitorHandler
monitor_handler = (MonitorHandler) NULL;
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% M a g i c k M o n i t o r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% MagickMonitor() calls the monitor handler method with a text string that
% describes the task and a measure of completion.
%
% The format of the MagickMonitor method is:
%
% void MagickMonitor(const char *text,const off_t quantum,const off_t span)
%
% A description of each parameter follows:
%
% o quantum: The position relative to the span parameter which represents
% how much progress has been made toward completing a task.
%
% o span: The span relative to completing a task.
%
%
*/
MagickExport void MagickMonitor(const char *text,const off_t quantum,
const off_t span)
{
assert(text != (const char *) NULL);
ProcessPendingEvents(text);
if (monitor_handler != (MonitorHandler) NULL)
(*monitor_handler)(text,quantum,span);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% S e t M o n i t o r H a n d l e r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% SetMonitorHandler() sets the monitor handler to the specified method
% and returns the previous monitor handler.
%
% The format of the SetMonitorHandler method is:
%
% MonitorHandler SetMonitorHandler(MonitorHandler handler)
%
% A description of each parameter follows:
%
% o handler: Specifies a pointer to a method to handle monitors.
%
%
*/
MagickExport MonitorHandler SetMonitorHandler(MonitorHandler handler)
{
MonitorHandler
previous_handler;
previous_handler=monitor_handler;
monitor_handler=handler;
return(previous_handler);
}
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