ImageMagick-7/MagickCore/histogram.h

0001 /*
0002   Copyright @ 2009 ImageMagick Studio LLC, a non-profit organization
0003   dedicated to making software imaging solutions freely available.
0004
0005   You may not use this file except in compliance with the License.  You may
0006   obtain a copy of the License at
0007
0008     https://imagemagick.org/script/license.php
0009
0010   Unless required by applicable law or agreed to in writing, software
0011   distributed under the License is distributed on an "AS IS" BASIS,
0012   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0013   See the License for the specific language governing permissions and
0014   limitations under the License.
0015
0016   MagickCore histogram methods.
0017 */
0018 #ifndef MAGICKCORE_HISTOGRAM_H
0019 #define MAGICKCORE_HISTOGRAM_H
0020
0021 #if defined(__cplusplus) || defined(c_plusplus)
0022 extern "C" {
0023 #endif
0024
0025 extern MagickExport PixelInfo
0026   *GetImageHistogram(const Image *,size_t *,ExceptionInfo *);
0027
0028 extern MagickExport Image
0029   *UniqueImageColors(const Image *,ExceptionInfo *);
0030
0031 extern MagickExport MagickBooleanType
0032   IdentifyPaletteImage(const Image *,ExceptionInfo *),
0033   IsHistogramImage(const Image *,ExceptionInfo *),
0034   IsPaletteImage(const Image *),
0035   MinMaxStretchImage(Image *,const double,const double,const double,
0036     ExceptionInfo *);
0037
0038 extern MagickExport size_t
0039   GetNumberColors(const Image *,FILE *,ExceptionInfo *);
0040
0041 #if defined(__cplusplus) || defined(c_plusplus)
0042 }
0043 #endif
0044
0045 #endif