/*

  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 delegates methods.

*/

#ifndef MAGICKCORE_DELEGATE_H

#define MAGICKCORE_DELEGATE_H

#if defined(__cplusplus) || defined(c_plusplus)

extern "C" {

#endif

#include <stdarg.h>

#include "magick/semaphore.h"

typedef struct _DelegateInfo

{

  char

    *path,

    *decode,

    *encode,

    *commands;

  ssize_t

    mode;

  MagickBooleanType

    thread_support,

    spawn,

    stealth;

  struct _DelegateInfo

    *previous,

    *next;  /* deprecated, use GetDelegateInfoList() */

  size_t

    signature;

  SemaphoreInfo

    *semaphore;

} DelegateInfo;

extern MagickExport char

  *GetDelegateCommand(const ImageInfo *,Image *,const char *,const char *,

    ExceptionInfo *),

  **GetDelegateList(const char *,size_t *,ExceptionInfo *);

extern MagickExport const char

  *GetDelegateCommands(const DelegateInfo *);

extern MagickExport const DelegateInfo

  *GetDelegateInfo(const char *,const char *,ExceptionInfo *exception),

  **GetDelegateInfoList(const char *,size_t *,ExceptionInfo *);

extern MagickExport int

  ExternalDelegateCommand(const MagickBooleanType,const MagickBooleanType,

    const char *,char *,ExceptionInfo *);

extern MagickExport ssize_t

  GetDelegateMode(const DelegateInfo *);

extern MagickExport MagickBooleanType

  DelegateComponentGenesis(void),

  GetDelegateThreadSupport(const DelegateInfo *),

  InvokeDelegate(ImageInfo *,Image *,const char *,const char *,ExceptionInfo *),

  ListDelegateInfo(FILE *,ExceptionInfo *);

extern MagickExport void

  DelegateComponentTerminus(void);

#if defined(__cplusplus) || defined(c_plusplus)

}

#endif

#endif