monitor.h revision 1454be7db7a897f42cd40e4165f945d77196a6f8 
1/*
2  Copyright 1999-2012 ImageMagick Studio LLC, a non-profit organization
3  dedicated to making software imaging solutions freely available.
4
5  You may not use this file except in compliance with the License.
6  obtain a copy of the License at
7
8    http://www.imagemagick.org/script/license.php
9
10  Unless required by applicable law or agreed to in writing, software
11  distributed under the License is distributed on an "AS IS" BASIS,
12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  See the License for the specific language governing permissions and
14  limitations under the License.
15
16  MagickCore progress monitor methods.
17*/
18#ifndef _MAGICKCORE_MONITOR_H
19#define _MAGICKCORE_MONITOR_H
20
21#if defined(__cplusplus) || defined(c_plusplus)
22extern "C" {
23#endif
24
25typedef MagickBooleanType
26  (*MagickProgressMonitor)(const char *,const MagickOffsetType,
27    const MagickSizeType,void *);
28
29MagickExport MagickProgressMonitor
30  SetImageProgressMonitor(Image *,const MagickProgressMonitor,void *),
31  SetImageInfoProgressMonitor(ImageInfo *,const MagickProgressMonitor,void *);
32
33static inline MagickBooleanType QuantumTick(const MagickOffsetType offset,
34  const MagickSizeType span)
35{
36  if (span <= 100)
37    return(MagickTrue);
38  if (offset == (MagickOffsetType) (span-1))
39    return(MagickTrue);
40  if ((offset % (span/100)) == 0)
41    return(MagickTrue);
42  return(MagickFalse);
43}
44
45#if defined(__cplusplus) || defined(c_plusplus)
46}
47#endif
48
49#endif
50