forked from openkylin/imagemagick
73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
/*
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Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization
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dedicated to making software imaging solutions freely available.
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You may not use this file except in compliance with the License. You may
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obtain a copy of the License at
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https://imagemagick.org/script/license.php
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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MagickCore image threshold methods.
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*/
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#ifndef MAGICKCORE_THRESHOLD_H
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#define MAGICKCORE_THRESHOLD_H
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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typedef enum
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{
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UndefinedThresholdMethod,
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KapurThresholdMethod,
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OTSUThresholdMethod,
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TriangleThresholdMethod
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} AutoThresholdMethod;
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typedef struct _ThresholdMap
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ThresholdMap;
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extern MagickExport Image
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*AdaptiveThresholdImage(const Image *,const size_t,const size_t,const ssize_t,
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ExceptionInfo *);
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extern MagickExport ThresholdMap
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*DestroyThresholdMap(ThresholdMap *),
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*GetThresholdMap(const char *,ExceptionInfo *);
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extern MagickExport MagickBooleanType
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AutoThresholdImage(Image *,const AutoThresholdMethod,ExceptionInfo *),
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BilevelImage(Image *,const double),
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BilevelImageChannel(Image *,const ChannelType,const double),
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BlackThresholdImage(Image *,const char *),
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BlackThresholdImageChannel(Image *,const ChannelType,const char *,
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ExceptionInfo *),
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ClampImage(Image *),
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ClampImageChannel(Image *,const ChannelType),
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ListThresholdMaps(FILE *,ExceptionInfo *),
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OrderedDitherImage(Image *), /* deprecated */
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OrderedDitherImageChannel(Image *,const ChannelType,ExceptionInfo *),
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OrderedPosterizeImage(Image *,const char *,ExceptionInfo *),
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OrderedPosterizeImageChannel(Image *,const ChannelType,const char *,
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ExceptionInfo *),
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PerceptibleImage(Image *,const double),
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PerceptibleImageChannel(Image *,const ChannelType,const double),
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RandomThresholdImage(Image *,const char *,ExceptionInfo *),
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RandomThresholdImageChannel(Image *,const ChannelType,const char *,
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ExceptionInfo *),
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WhiteThresholdImage(Image *,const char *),
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WhiteThresholdImageChannel(Image *,const ChannelType,const char *,
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ExceptionInfo *);
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#if defined(__cplusplus) || defined(c_plusplus)
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}
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#endif
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#endif
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