imagemagick/magick/histogram.h

57 lines
1.5 KiB
C

/*
Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization
dedicated to making software imaging solutions freely available.
You may not use this file except in compliance with the License. You may
obtain a copy of the License at
https://imagemagick.org/script/license.php
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
MagickCore histogram methods.
*/
#ifndef MAGICKCORE_HISTOGRAM_H
#define MAGICKCORE_HISTOGRAM_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
typedef struct _ColorPacket
{
PixelPacket
pixel;
IndexPacket
index;
MagickSizeType
count;
} ColorPacket;
extern MagickExport ColorPacket
*GetImageHistogram(const Image *,size_t *,ExceptionInfo *);
extern MagickExport Image
*UniqueImageColors(const Image *,ExceptionInfo *);
extern MagickExport MagickBooleanType
IdentifyPaletteImage(const Image *,ExceptionInfo *),
IsHistogramImage(const Image *,ExceptionInfo *),
IsPaletteImage(const Image *,ExceptionInfo *),
MinMaxStretchImage(Image *,const ChannelType,const double,const double);
extern MagickExport size_t
GetNumberColors(const Image *,FILE *,ExceptionInfo *);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif