github.com/kaydxh/golang@v0.0.131/pkg/gocv/cgo/third_path/graphics-magick/include/GraphicsMagick/magick/delegate.h (about)

     1  /*
     2    Copyright (C) 2003 GraphicsMagick Group
     3    Copyright (C) 2002 ImageMagick Studio
     4  
     5    This program is covered by multiple licenses, which are described in
     6    Copyright.txt. You should have received a copy of Copyright.txt with this
     7    package; otherwise see http://www.graphicsmagick.org/www/Copyright.html.
     8  
     9    Methods to Read/Write/Invoke Delegates.
    10  */
    11  #ifndef _MAGICK_DELEGATE_H
    12  #define _MAGICK_DELEGATE_H
    13  
    14  #if defined(__cplusplus) || defined(c_plusplus)
    15  extern "C" {
    16  #endif
    17  
    18  /*
    19    Delegate structure definitions.
    20  */
    21  typedef struct _DelegateInfo
    22  {
    23    char
    24      *path,    /* Path to delegate configuation file */
    25      *decode,  /* Decode from format */
    26      *encode;  /* Transcode to format */
    27  
    28    char
    29      *commands; /* Commands to execute */
    30  
    31    int mode;    /* <0 = encoder, >0 = decoder */
    32  
    33    MagickBool
    34      stealth;   /* Don't list this delegate */
    35  
    36    unsigned long
    37      signature;
    38  
    39    struct _DelegateInfo
    40      *previous,
    41      *next;
    42  } DelegateInfo;
    43  
    44  /*
    45    Magick delegate methods.
    46  */
    47  extern MagickExport char
    48    *GetDelegateCommand(const ImageInfo *image_info,Image *image,
    49                        const char *decode,const char *encode,
    50                        ExceptionInfo *exception);
    51  
    52  extern MagickExport const DelegateInfo
    53    *GetDelegateInfo(const char *decode,const char *encode,
    54                     ExceptionInfo *exception),
    55    *GetPostscriptDelegateInfo(const ImageInfo *image_info,
    56                     unsigned int *antialias, ExceptionInfo *exception);
    57  
    58  extern MagickExport DelegateInfo
    59    *SetDelegateInfo(DelegateInfo *);
    60  
    61  extern MagickExport MagickPassFail
    62    InvokePostscriptDelegate(const unsigned int verbose,const char *command,
    63                             ExceptionInfo *exception),
    64    InvokeDelegate(ImageInfo *image_info,Image *image,const char *decode,
    65                   const char *encode,ExceptionInfo *exception),
    66    ListDelegateInfo(FILE *file,ExceptionInfo *exception);
    67  
    68  #if defined(MAGICK_IMPLEMENTATION)
    69  
    70  #if defined(HasGS)
    71  #include "ghostscript/iapi.h"
    72  #endif
    73  
    74  #ifndef gs_main_instance_DEFINED
    75  # define gs_main_instance_DEFINED
    76  typedef struct gs_main_instance_s gs_main_instance;
    77  #endif
    78  
    79  #if !defined(MagickDLLCall)
    80  #  if defined(MSWINDOWS)
    81  #    define MagickDLLCall __stdcall
    82  #  else
    83  #    define MagickDLLCall
    84  #  endif
    85  #endif
    86  
    87  /*
    88    Define a vector of Ghostscript library callback functions so that
    89    DLL/shared and static Ghostscript libbraries may be handled identically.
    90    These definitions must be compatible with those in the Ghostscript API
    91    headers (which we don't require).
    92  
    93    http://pages.cs.wisc.edu/~ghost/doc/cvs/API.htm
    94    */
    95  typedef struct _GhostscriptVectors
    96  {
    97    /* Exit the interpreter (gsapi_exit)*/
    98    int  (MagickDLLCall *exit)(gs_main_instance *instance);
    99  
   100    /* Destroy instance of Ghostscript.  Call exit first! (gsapi_delete_instance) */
   101    void (MagickDLLCall *delete_instance)(gs_main_instance *instance);
   102  
   103    /* Initialize the Ghostscript interpreter (gsapi_init_with_args) */
   104    int  (MagickDLLCall *init_with_args)(gs_main_instance *instance,int argc,
   105                                         char **argv);
   106  
   107    /* Create a new instance of the Ghostscript interpreter (gsapi_new_instance) */
   108    int  (MagickDLLCall *new_instance)(gs_main_instance **pinstance,
   109                                       void *caller_handle);
   110  
   111    /* Execute string command in Ghostscript interpreter (gsapi_run_string) */
   112    int  (MagickDLLCall *run_string)(gs_main_instance *instance,const char *str,
   113                                     int user_errors,int *pexit_code);
   114  } GhostscriptVectors;
   115  
   116  extern MagickExport void
   117    DestroyDelegateInfo(void);
   118  
   119  extern MagickPassFail
   120    InitializeDelegateInfo(void);
   121  
   122  #endif /* MAGICK_IMPLEMENTATION */
   123  
   124  #if defined(__cplusplus) || defined(c_plusplus)
   125  }
   126  #endif
   127  
   128  #endif /* _MAGICK_DELEGATE_H */
   129  
   130  /*
   131   * Local Variables:
   132   * mode: c
   133   * c-basic-offset: 2
   134   * fill-column: 78
   135   * End:
   136   */