histogram.h revision dd199e3e92db356bebd36fa0bcd420847f7fa3b4 
1/*
2  Copyright 1999-2011 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 histogram methods.
17*/
18#ifndef _MAGICKCORE_HISTOGRAM_H
19#define _MAGICKCORE_HISTOGRAM_H
20
21#if defined(__cplusplus) || defined(c_plusplus)
22extern "C" {
23#endif
24
25extern MagickExport PixelPacket
26  *GetImageHistogram(const Image *,size_t *,ExceptionInfo *);
27
28extern MagickExport Image
29  *UniqueImageColors(const Image *,ExceptionInfo *);
30
31extern MagickExport MagickBooleanType
32  IsHistogramImage(const Image *,ExceptionInfo *),
33  IsPaletteImage(const Image *,ExceptionInfo *),
34  MinMaxStretchImage(Image *,const double,const double,const double,
35    ExceptionInfo *);
36
37extern MagickExport size_t
38  GetNumberColors(const Image *,FILE *,ExceptionInfo *);
39
40#if defined(__cplusplus) || defined(c_plusplus)
41}
42#endif
43
44#endif
45