monitor.h

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00001 /*
00002   Copyright 1999-2020 ImageMagick Studio LLC, a non-profit organization
00003   dedicated to making software imaging solutions freely available.
00004   
00005   You may not use this file except in compliance with the License.  You may
00006   obtain a copy of the License at
00007   
00008     https://imagemagick.org/script/license.php
00009   
00010   Unless required by applicable law or agreed to in writing, software
00011   distributed under the License is distributed on an "AS IS" BASIS,
00012   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013   See the License for the specific language governing permissions and
00014   limitations under the License.
00015 
00016   MagickCore progress monitor methods.
00017 */
00018 #ifndef MAGICKCORE_MONITOR_H
00019 #define MAGICKCORE_MONITOR_H
00020 
00021 #if defined(__cplusplus) || defined(c_plusplus)
00022 extern "C" {
00023 #endif
00024 
00025 typedef MagickBooleanType
00026   (*MagickProgressMonitor)(const char *,const MagickOffsetType,
00027     const MagickSizeType,void *);
00028 
00029 MagickExport MagickBooleanType
00030   SetImageProgress(const Image *,const char *,const MagickOffsetType,
00031     const MagickSizeType);
00032 
00033 MagickExport MagickProgressMonitor
00034   SetImageProgressMonitor(Image *,const MagickProgressMonitor,void *),
00035   SetImageInfoProgressMonitor(ImageInfo *,const MagickProgressMonitor,void *);
00036 
00037 static inline MagickBooleanType QuantumTick(const MagickOffsetType offset,
00038   const MagickSizeType span)
00039 {
00040   if (span <= 100)
00041     return(MagickTrue);
00042   if (offset == (MagickOffsetType) (span-1))
00043     return(MagickTrue);
00044   if ((offset % (span/100)) == 0)
00045     return(MagickTrue);
00046   return(MagickFalse);
00047 }
00048 
00049 #if defined(__cplusplus) || defined(c_plusplus)
00050 }
00051 #endif
00052 
00053 #endif

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