granicus.if.org Git - imagemagick/blob - MagickCore/monitor.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
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   5 %                                                                             %
   6 %               M   M   OOO   N   N  IIIII  TTTTT   OOO   RRRR                %
   7 %               MM MM  O   O  NN  N    I      T    O   O  R   R               %
   8 %               M M M  O   O  N N N    I      T    O   O  RRRR                %
   9 %               M   M  O   O  N  NN    I      T    O   O  R R                 %
  10 %               M   M   OOO   N   N  IIIII    T     OOO   R  R                %
  11 %                                                                             %
  12 %                                                                             %
  13 %                     MagickCore Progress Monitor Methods                     %
  14 %                                                                             %
  15 %                              Software Design                                %
  16 %                                   Cristy                                    %
  17 %                               December 1995                                 %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2014 ImageMagick Studio LLC, a non-profit organization      %
  21 %  dedicated to making software imaging solutions freely available.           %
  22 %                                                                             %
  23 %  You may not use this file except in compliance with the License.  You may  %
  24 %  obtain a copy of the License at                                            %
  25 %                                                                             %
  26 %    http://www.imagemagick.org/script/license.php                            %
  27 %                                                                             %
  28 %  Unless required by applicable law or agreed to in writing, software        %
  29 %  distributed under the License is distributed on an "AS IS" BASIS,          %
  30 %  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
  31 %  See the License for the specific language governing permissions and        %
  32 %  limitations under the License.                                             %
  33 %                                                                             %
  34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  35 %
  36 %
  37 %
  38 */
  39 \f
  40 /*
  41   Include declarations.
  42 */
  43 #include "MagickCore/studio.h"
  44 #include "MagickCore/image.h"
  45 #include "MagickCore/log.h"
  46 #include "MagickCore/monitor.h"
  47 \f
  48 /*
  49 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  50 %                                                                             %
  51 %                                                                             %
  52 %                                                                             %
  53 %   S e t I m a g e P r o g r e s s M o n i t o r                             %
  54 %                                                                             %
  55 %                                                                             %
  56 %                                                                             %
  57 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  58 %
  59 %  SetImageProgressMonitor() sets the image progress monitor to the specified
  60 %  method and returns the previous progress monitor if any.  The progress
  61 %  monitor method looks like this:
  62 %
  63 %    MagickBooleanType MagickProgressMonitor(const char *text,
  64 %      const MagickOffsetType offset,const MagickSizeType extent,
  65 %      void *client_data)
  66 %
  67 %  If the progress monitor returns MagickFalse, the current operation is
  68 %  interrupted.
  69 %
  70 %  The format of the SetImageProgressMonitor method is:
  71 %
  72 %      MagickProgressMonitor SetImageProgressMonitor(Image *image,
  73 %        const MagickProgressMonitor progress_monitor,void *client_data)
  74 %
  75 %  A description of each parameter follows:
  76 %
  77 %    o image: the image.
  78 %
  79 %    o progress_monitor: Specifies a pointer to a method to monitor progress of
  80 %      an image operation.
  81 %
  82 %    o client_data: Specifies a pointer to any client data.
  83 %
  84 */
  85 MagickExport MagickProgressMonitor SetImageProgressMonitor(Image *image,
  86   const MagickProgressMonitor progress_monitor,void *client_data)
  87 {
  88   MagickProgressMonitor
  89     previous_monitor;
  90
  91   previous_monitor=image->progress_monitor;
  92   image->progress_monitor=progress_monitor;
  93   image->client_data=client_data;
  94   return(previous_monitor);
  95 }
  96 \f
  97 /*
  98 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  99 %                                                                             %
 100 %                                                                             %
 101 %                                                                             %
 102 %   S e t I m a g e I n f o P r o g r e s s M o n i t o r                     %
 103 %                                                                             %
 104 %                                                                             %
 105 %                                                                             %
 106 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 107 %
 108 %  SetImageInfoProgressMonitor() sets the image_info progress monitor to the
 109 %  specified method and returns the previous progress monitor if any.  The
 110 %  progress monitor method looks like this:
 111 %
 112 %    MagickBooleanType MagickProgressMonitor(const char *text,
 113 %      const MagickOffsetType offset,const MagickSizeType extent,
 114 %      void *client_data)
 115 %
 116 %  If the progress monitor returns MagickFalse, the current operation is
 117 %  interrupted.
 118 %
 119 %  The format of the SetImageInfoProgressMonitor method is:
 120 %
 121 %      MagickProgressMonitor SetImageInfoProgressMonitor(ImageInfo *image_info,
 122 %        const MagickProgressMonitor progress_monitor,void *client_data)
 123 %
 124 %  A description of each parameter follows:
 125 %
 126 %    o image_info: the image info.
 127 %
 128 %    o progress_monitor: Specifies a pointer to a method to monitor progress of
 129 %      an image operation.
 130 %
 131 %    o client_data: Specifies a pointer to any client data.
 132 %
 133 */
 134 MagickExport MagickProgressMonitor SetImageInfoProgressMonitor(
 135   ImageInfo *image_info,const MagickProgressMonitor progress_monitor,
 136   void *client_data)
 137 {
 138   MagickProgressMonitor
 139     previous_monitor;
 140
 141   previous_monitor=image_info->progress_monitor;
 142   image_info->progress_monitor=progress_monitor;
 143   image_info->client_data=client_data;
 144   return(previous_monitor);
 145 }