自学教程：C++ GetExceptionMessage函数代码示例

WandExport WandView *NewWandView(MagickWand *wand){  WandView    *wand_view;  assert(wand != (MagickWand *) NULL);  assert(wand->signature == WandSignature);  wand_view=(WandView *) AcquireMagickMemory(sizeof(*wand_view));  if (wand_view == (WandView *) NULL)    ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",      GetExceptionMessage(errno));  (void) ResetMagickMemory(wand_view,0,sizeof(*wand_view));  wand_view->id=AcquireWandId();  (void) FormatMagickString(wand_view->name,MaxTextExtent,"%s-%.20g",    WandViewId,(double) wand_view->id);  wand_view->description=ConstantString("WandView");  wand_view->wand=wand;  wand_view->view=AcquireCacheView(wand_view->wand->images);  wand_view->extent.width=wand->images->columns;  wand_view->extent.height=wand->images->rows;  wand_view->number_threads=GetOpenMPMaximumThreads();  wand_view->pixel_wands=AcquirePixelsThreadSet(wand_view->extent.width,    wand_view->number_threads);  wand_view->exception=AcquireExceptionInfo();  if (wand_view->pixel_wands == (PixelWand ***) NULL)    ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",      GetExceptionMessage(errno));  wand_view->debug=IsEventLogging();  wand_view->signature=WandSignature;  return(wand_view);}

/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%                                                                             %%                                                                             %%                                                                             %%   C l o n e M a g i c k W a n d                                             %%                                                                             %%                                                                             %%                                                                             %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  CloneMagickWand() makes an exact copy of the specified wand.%%  The format of the CloneMagickWand method is:%%      MagickWand *CloneMagickWand(const MagickWand *wand)%%  A description of each parameter follows:%%    o wand: The magick wand.%*/WandExport MagickWand *CloneMagickWand(const MagickWand *wand){  MagickWand    *clone_wand;  assert(wand != (MagickWand *) NULL);  assert(wand->signature == WandSignature);  if (wand->debug != MagickFalse)    (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);  clone_wand=(MagickWand *) AcquireMagickMemory(sizeof(*clone_wand));  if (clone_wand == (MagickWand *) NULL)    {      char        *message;      message=GetExceptionMessage(errno);      ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",        message);      message=DestroyString(message);    }  (void) ResetMagickMemory(clone_wand,0,sizeof(*clone_wand));  clone_wand->id=AcquireWandId();  (void) FormatMagickString(clone_wand->name,MaxTextExtent,"%s-%lu",    MagickWandId,clone_wand->id);  clone_wand->exception=AcquireExceptionInfo();  InheritException(clone_wand->exception,wand->exception);  clone_wand->image_info=CloneImageInfo(wand->image_info);  clone_wand->quantize_info=CloneQuantizeInfo(wand->quantize_info);  clone_wand->images=CloneImageList(wand->images,clone_wand->exception);  clone_wand->debug=IsEventLogging();  if (clone_wand->debug != MagickFalse)    (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clone_wand->name);  clone_wand->signature=WandSignature;  return(clone_wand);}

/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%                                                                             %%                                                                             %%                                                                             %%   N e w M a g i c k W a n d                                                 %%                                                                             %%                                                                             %%                                                                             %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  NewMagickWand() returns a wand required for all other methods in the API.%  A fatal exception is thrown if there is not enough memory to allocate the%  wand.   Use DestroyMagickWand() to dispose of the wand when it is no longer%  needed.%%  The format of the NewMagickWand method is:%%      MagickWand *NewMagickWand(void)%*/WandExport MagickWand *NewMagickWand(void){  const char    *quantum;  MagickWand    *wand;  size_t    depth;  depth=MAGICKCORE_QUANTUM_DEPTH;  quantum=GetMagickQuantumDepth(&depth);  if (depth != MAGICKCORE_QUANTUM_DEPTH)    ThrowWandFatalException(WandError,"QuantumDepthMismatch",quantum);  wand=(MagickWand *) AcquireMagickMemory(sizeof(*wand));  if (wand == (MagickWand *) NULL)    ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",      GetExceptionMessage(errno));  (void) ResetMagickMemory(wand,0,sizeof(*wand));  wand->id=AcquireWandId();  (void) FormatLocaleString(wand->name,MaxTextExtent,"%s-%.20g",MagickWandId,    (double) wand->id);  wand->images=NewImageList();  wand->image_info=AcquireImageInfo();  wand->exception=AcquireExceptionInfo();  wand->debug=IsEventLogging();  if (wand->debug != MagickFalse)    (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);  wand->signature=WandSignature;  return(wand);}

/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%                                                                             %%                                                                             %%                                                                             %%   D e s t r o y S e m a p h o r e                                           %%                                                                             %%                                                                             %%                                                                             %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  DestroySemaphore() destroys the semaphore environment.%%  The format of the DestroySemaphore method is:%%      DestroySemaphore(void)%*/MagickExport void DestroySemaphore(void){#if defined(MAGICKCORE_HAVE_PTHREAD)  if (pthread_mutex_destroy(&semaphore_mutex) != 0)    (void) fprintf(stderr,"pthread_mutex_destroy failed %s/n",      GetExceptionMessage(errno));#endif}

/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%                                                                             %%                                                                             %%                                                                             %%   N e w P i x e l I t e r a t o r                                           %%                                                                             %%                                                                             %%                                                                             %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  NewPixelIterator() returns a new pixel iterator.%%  The format of the NewPixelIterator method is:%%      PixelIterator *NewPixelIterator(MagickWand *wand)%%  A description of each parameter follows:%%    o wand: the magick wand.%*/WandExport PixelIterator *NewPixelIterator(MagickWand *wand){  const char    *quantum;  ExceptionInfo    *exception;  Image    *image;  PixelIterator    *iterator;  size_t    depth;  CacheView    *view;  depth=MAGICKCORE_QUANTUM_DEPTH;  quantum=GetMagickQuantumDepth(&depth);  if (depth != MAGICKCORE_QUANTUM_DEPTH)    ThrowWandFatalException(WandError,"QuantumDepthMismatch",quantum);  assert(wand != (MagickWand *) NULL);  image=GetImageFromMagickWand(wand);  if (image == (Image *) NULL)    return((PixelIterator *) NULL);  exception=AcquireExceptionInfo();  view=AcquireVirtualCacheView(image,exception);  if (view == (CacheView *) NULL)    return((PixelIterator *) NULL);  iterator=(PixelIterator *) AcquireMagickMemory(sizeof(*iterator));  if (iterator == (PixelIterator *) NULL)    ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",      GetExceptionMessage(errno));  (void) ResetMagickMemory(iterator,0,sizeof(*iterator));  iterator->id=AcquireWandId();  (void) FormatLocaleString(iterator->name,MaxTextExtent,"%s-%.20g",    PixelIteratorId,(double) iterator->id);  iterator->exception=exception;  iterator->view=view;  SetGeometry(image,&iterator->region);  iterator->region.width=image->columns;  iterator->region.height=image->rows;  iterator->region.x=0;  iterator->region.y=0;  iterator->pixel_wands=NewPixelWands(iterator->region.width);  iterator->y=0;  iterator->debug=IsEventLogging();  if (iterator->debug != MagickFalse)    (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name);  iterator->signature=WandSignature;  return(iterator);}

/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%                                                                             %%                                                                             %%                                                                             %%   A c q u i r e S e m a p h o r e I n f o                                   %%                                                                             %%                                                                             %%                                                                             %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  AcquireSemaphoreInfo() acquires a semaphore.%%  The format of the AcquireSemaphoreInfo method is:%%      void AcquireSemaphoreInfo(SemaphoreInfo **semaphore_info)%%  A description of each parameter follows:%%    o semaphore_info: Specifies a pointer to an SemaphoreInfo structure.%*/MagickExport void AcquireSemaphoreInfo(SemaphoreInfo **semaphore_info){  assert(semaphore_info != (SemaphoreInfo **) NULL);#if defined(MAGICKCORE_HAVE_PTHREAD)  if (pthread_mutex_lock(&semaphore_mutex) != 0)    (void) fprintf(stderr,"pthread_mutex_lock failed %s/n",      GetExceptionMessage(errno));#elif defined(MAGICKORE_HAVE_WINTHREADS)  while (InterlockedCompareExchange(&semaphore_mutex,1L,0L) != 0)    Sleep(10);#endif  if (*semaphore_info == (SemaphoreInfo *) NULL)    *semaphore_info=AllocateSemaphoreInfo();#if defined(MAGICKCORE_HAVE_PTHREAD)  if (pthread_mutex_unlock(&semaphore_mutex) != 0)    (void) fprintf(stderr,"pthread_mutex_unlock failed %s/n",      GetExceptionMessage(errno));#elif defined(MAGICKORE_HAVE_WINTHREADS)  InterlockedExchange(&semaphore_mutex,0L);#endif  (void) LockSemaphoreInfo(*semaphore_info);}

/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%                                                                             %%                                                                             %%                                                                             %%   N e w M a g i c k W a n d                                                 %%                                                                             %%                                                                             %%                                                                             %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  NewMagickWand() returns a wand required for all other methods in the API.%%  The format of the NewMagickWand method is:%%      MagickWand *NewMagickWand(void)%*/WandExport MagickWand *NewMagickWand(void){  const char    *quantum;  MagickWand    *wand;  unsigned long    depth;  depth=QuantumDepth;  quantum=GetMagickQuantumDepth(&depth);  if (depth != QuantumDepth)    ThrowWandFatalException(WandError,"QuantumDepthMismatch",quantum);  wand=(MagickWand *) AcquireMagickMemory(sizeof(*wand));  if (wand == (MagickWand *) NULL)    {      char        *message;      message=GetExceptionMessage(errno);      ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",        message);      message=DestroyString(message);    }  (void) ResetMagickMemory(wand,0,sizeof(*wand));  wand->id=AcquireWandId();  (void) FormatMagickString(wand->name,MaxTextExtent,"%s-%lu",MagickWandId,    wand->id);  wand->exception=AcquireExceptionInfo();  wand->image_info=AcquireImageInfo();  wand->quantize_info=CloneQuantizeInfo((QuantizeInfo *) NULL);  wand->images=NewImageList();  wand->debug=IsEventLogging();  if (wand->debug != MagickFalse)    (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name);  wand->signature=WandSignature;  return(wand);}

/*   Concatanate given file arguments to the given output argument.   Used for a special -concatenate option used for specific 'delegates'.   The option is not formally documented.      magick -concatenate files... output   This is much like the UNIX "cat" command, but for both UNIX and Windows,   however the last argument provides the output filename.*/static MagickBooleanType ConcatenateImages(int argc,char **argv,     ExceptionInfo *exception ){  FILE    *input,    *output;  int    c;  register ssize_t    i;  if (ExpandFilenames(&argc,&argv) == MagickFalse)    ThrowFileException(exception,ResourceLimitError,"MemoryAllocationFailed",         GetExceptionMessage(errno));  output=fopen_utf8(argv[argc-1],"wb");  if (output == (FILE *) NULL) {    ThrowFileException(exception,FileOpenError,"UnableToOpenFile",argv[argc-1]);    return(MagickFalse);  }  for (i=2; i < (ssize_t) (argc-1); i++) {#if 0    fprintf(stderr, "DEBUG: Concatenate Image: /"%s/"/n", argv[i]);#endif    input=fopen_utf8(argv[i],"rb");    if (input == (FILE *) NULL) {        ThrowFileException(exception,FileOpenError,"UnableToOpenFile",argv[i]);        continue;      }    for (c=fgetc(input); c != EOF; c=fgetc(input))      (void) fputc((char) c,output);    (void) fclose(input);    (void) remove_utf8(argv[i]);  }  (void) fclose(output);  return(MagickTrue);}

qboolean CheckException_(char *filename, int linenum){	jthrowable      ex;	char			message[MAXPRINTMSG];	ex = (*javaEnv)->ExceptionOccurred(javaEnv);	if(!ex)		return qfalse;	(*javaEnv)->ExceptionClear(javaEnv);	Com_Printf(S_COLOR_RED "%s line: %d/n-----------------/n", filename, linenum);	//(*javaEnv)->CallVoidMethod(javaEnv, ex, method_Throwable_printStackTrace);	GetExceptionMessage(ex, message, sizeof(message));	Com_Printf(S_COLOR_RED "message: %s/n", message);	GetExceptionStackTrace(ex, message, sizeof(message));	Com_Printf(S_COLOR_RED "stacktrace: %s/n", message);	Cvar_Set("com_stackTrace", message);	return qtrue;}

WandExport MagickBooleanType IdentifyImageCommand(ImageInfo *image_info,  int argc,char **argv,char **metadata,ExceptionInfo *exception){#define DestroyIdentify() /{ /  DestroyImageStack(); /  for (i=0; i < (ssize_t) argc; i++) /    argv[i]=DestroyString(argv[i]); /  argv=(char **) RelinquishMagickMemory(argv); /}#define ThrowIdentifyException(asperity,tag,option) /{ /  (void) ThrowMagickException(exception,GetMagickModule(),asperity,tag,"`%s'", /    option); /  DestroyIdentify(); /  return(MagickFalse); /}#define ThrowIdentifyInvalidArgumentException(option,argument) /{ /  (void) ThrowMagickException(exception,GetMagickModule(),OptionError, /    "InvalidArgument","'%s': %s",option,argument); /  DestroyIdentify(); /  return(MagickFalse); /}  const char    *format,    *option;  Image    *image;  ImageStack    image_stack[MaxImageStackDepth+1];  MagickBooleanType    fire,    pend,    respect_parenthesis;  MagickStatusType    status;  register ssize_t    i;  size_t    count;  ssize_t    j,    k;  /*    Set defaults.  */  assert(image_info != (ImageInfo *) NULL);  assert(image_info->signature == MagickSignature);  if (image_info->debug != MagickFalse)    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");  assert(exception != (ExceptionInfo *) NULL);  if (argc == 2)    {      option=argv[1];      if ((LocaleCompare("version",option+1) == 0) ||          (LocaleCompare("-version",option+1) == 0))        {          ListMagickVersion(stdout);          return(MagickFalse);        }    }  if (argc < 2)    return(IdentifyUsage());  count=0;  format=NULL;  j=1;  k=0;  NewImageStack();  option=(char *) NULL;  pend=MagickFalse;  respect_parenthesis=MagickFalse;  status=MagickTrue;  /*    Identify an image.  */  ReadCommandlLine(argc,&argv);  status=ExpandFilenames(&argc,&argv);  if (status == MagickFalse)    ThrowIdentifyException(ResourceLimitError,"MemoryAllocationFailed",      GetExceptionMessage(errno));  image_info->ping=MagickTrue;  for (i=1; i < (ssize_t) argc; i++)  {    option=argv[i];    if (LocaleCompare(option,"(") == 0)      {        FireImageStack(MagickFalse,MagickTrue,pend);        if (k == MaxImageStackDepth)          ThrowIdentifyException(OptionError,"ParenthesisNestedTooDeeply",            option);//.........这里部分代码省略.........

/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%                                                                             %%                                                                             %%                                                                             %%   I m a g e T o H B i t m a p                                               %%                                                                             %%                                                                             %%                                                                             %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  ImageToHBITMAP() creates a Windows HBITMAP from an image.%%  The format of the ImageToHBITMAP method is:%%      HBITMAP ImageToHBITMAP(Image *image,Exceptioninfo *exception)%%  A description of each parameter follows:%%    o image: the image to convert.%*/MagickExport void *ImageToHBITMAP(Image *image,ExceptionInfo *exception){  BITMAP    bitmap;  HANDLE    bitmap_bitsH;  HBITMAP    bitmapH;  register ssize_t    x;  register const PixelPacket    *p;  register RGBQUAD    *q;  RGBQUAD    *bitmap_bits;  size_t    length;  ssize_t    y;  (void) ResetMagickMemory(&bitmap,0,sizeof(bitmap));  bitmap.bmType=0;  bitmap.bmWidth=(LONG) image->columns;  bitmap.bmHeight=(LONG) image->rows;  bitmap.bmWidthBytes=4*bitmap.bmWidth;  bitmap.bmPlanes=1;  bitmap.bmBitsPixel=32;  bitmap.bmBits=NULL;  length=bitmap.bmWidthBytes*bitmap.bmHeight;  bitmap_bitsH=(HANDLE) GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,length);  if (bitmap_bitsH == NULL)    {      char        *message;      message=GetExceptionMessage(errno);      (void) ThrowMagickException(exception,GetMagickModule(),        ResourceLimitError,"MemoryAllocationFailed","`%s'",message);      message=DestroyString(message);      return(NULL);    }  bitmap_bits=(RGBQUAD *) GlobalLock((HGLOBAL) bitmap_bitsH);  q=bitmap_bits;  if (bitmap.bmBits == NULL)    bitmap.bmBits=bitmap_bits;  (void) SetImageColorspace(image,sRGBColorspace);  for (y=0; y < (ssize_t) image->rows; y++)  {    p=GetVirtualPixels(image,0,y,image->columns,1,exception);    if (p == (const PixelPacket *) NULL)      break;    for (x=0; x < (ssize_t) image->columns; x++)    {      q->rgbRed=ScaleQuantumToChar(GetPixelRed(p));      q->rgbGreen=ScaleQuantumToChar(GetPixelGreen(p));      q->rgbBlue=ScaleQuantumToChar(GetPixelBlue(p));      q->rgbReserved=0;      p++;      q++;    }  }  bitmap.bmBits=bitmap_bits;  bitmapH=CreateBitmapIndirect(&bitmap);  if (bitmapH == NULL)    {      char        *message;      message=GetExceptionMessage(errno);//.........这里部分代码省略.........

//.........这里部分代码省略.........      option=argv[1];      if ((LocaleCompare("version",option+1) == 0) ||          (LocaleCompare("-version",option+1) == 0))        {          (void) FormatLocaleFile(stdout,"Version: %s/n",            GetMagickVersion((size_t *) NULL));          (void) FormatLocaleFile(stdout,"Copyright: %s/n",            GetMagickCopyright());          (void) FormatLocaleFile(stdout,"Features: %s/n/n",            GetMagickFeatures());          return(MagickFalse);        }    }  display=(Display *) NULL;  j=1;  k=0;  NewImageStack();  option=(char *) NULL;  pend=MagickFalse;  resource_database=(XrmDatabase) NULL;  respect_parenthesis=MagickFalse;  (void) ResetMagickMemory(&resource_info,0,sizeof(resource_info));  server_name=(char *) NULL;  status=MagickTrue;  SetNotifyHandlers;  target_window=(char *) NULL;  /*    Check for server name specified on the command line.  */  ReadCommandlLine(argc,&argv);  status=ExpandFilenames(&argc,&argv);  if (status == MagickFalse)    ThrowImportException(ResourceLimitError,"MemoryAllocationFailed",      GetExceptionMessage(errno));  for (i=1; i < (ssize_t) argc; i++)  {    /*      Check command line for server name.    */    option=argv[i];    if (LocaleCompare("display",option+1) == 0)      {        /*          User specified server name.        */        i++;        if (i == (ssize_t) argc)          ThrowImportException(OptionError,"MissingArgument",option);        server_name=argv[i];      }    if ((LocaleCompare("help",option+1) == 0) ||        (LocaleCompare("-help",option+1) == 0))      return(ImportUsage());  }  /*    Get user defaults from X resource database.  */  display=XOpenDisplay(server_name);  if (display == (Display *) NULL)    ThrowImportException(XServerError,"UnableToOpenXServer",      XDisplayName(server_name));  (void) XSetErrorHandler(XError);  resource_database=XGetResourceDatabase(display,GetClientName());  XGetImportInfo(&ximage_info);  XGetResourceInfo(image_info,resource_database,GetClientName(),    &resource_info);

//.........这里部分代码省略.........      MagickUsage(MagickTrue);      goto Magick_Command_Exit;    }  }  /* not enough arguments -- including -help */  if (argc < 3) {    (void) FormatLocaleFile(stderr,       "Error: Invalid argument or not enough arguments/n/n");    MagickUsage(MagickFalse);    goto Magick_Command_Exit;  }  /* Special "concatenate option (hidden) for delegate usage */  if (LocaleCompare("-concatenate",argv[1]) == 0) {    if (cli_wand->wand.debug != MagickFalse)        (void) CLILogEvent(cli_wand,CommandEvent,GetMagickModule(),            "- Special Option /"%s/"", argv[1]);    ConcatenateImages(argc,argv,exception);    goto Magick_Command_Exit;  }  /* List Information and Abort */  if (argc == 3 && LocaleCompare("-list",argv[1]) == 0) {    CLIOption(cli_wand, argv[1], argv[2]);    goto Magick_Command_Exit;  }  /* ------------- */  /* The Main Call */  if (LocaleCompare("-script",argv[1]) == 0) {    /* Start processing directly from script, no pre-script options       Replace wand command name with script name       First argument in the argv array is the script name to read.    */    GetPathComponent(argv[2],TailPath,cli_wand->wand.name);    ProcessScriptOptions(cli_wand,argv[2],argc,argv,3);  }  else {    /* Normal Command Line, assumes output file as last option */    ProcessCommandOptions(cli_wand,argc,argv,1);  }  /* ------------- */Magick_Command_Cleanup:  cli_wand->location="Cleanup";  cli_wand->filename=argv[0];  if (cli_wand->wand.debug != MagickFalse)    (void) CLILogEvent(cli_wand,CommandEvent,GetMagickModule(),         "/"%s/"",argv[0]);  /* recover original image_info and clean up stacks     FUTURE: "-reset stacks" option  */  while ((cli_wand->image_list_stack != (Stack *) NULL) &&         (cli_wand->image_list_stack->next != (Stack *) NULL))    CLIOption(cli_wand,")");  while ((cli_wand->image_info_stack != (Stack *) NULL) &&         (cli_wand->image_info_stack->next != (Stack *) NULL))    CLIOption(cli_wand,"}");  /* assert we have recovered the original structures */  assert(cli_wand->wand.image_info == image_info);  assert(cli_wand->wand.exception == exception);  /* Handle metadata for ImageMagickObject COM object for Windows VBS */  if (metadata != (char **) NULL) {    const char      *format;    char      *text;    format="%w,%h,%m";   // Get this from image_info Option splaytree    text=InterpretImageProperties(image_info,cli_wand->wand.images,format,      exception);    if (text == (char *) NULL)      ThrowMagickException(exception,GetMagickModule(),ResourceLimitError,        "MemoryAllocationFailed","`%s'", GetExceptionMessage(errno));    else {      (void) ConcatenateString(&(*metadata),text);      text=DestroyString(text);    }  }Magick_Command_Exit:  cli_wand->location="Exiting";  cli_wand->filename=argv[0];  if (cli_wand->wand.debug != MagickFalse)    (void) CLILogEvent(cli_wand,CommandEvent,GetMagickModule(),         "/"%s/"",argv[0]);  /* Destroy the special CLI Wand */  cli_wand->wand.image_info = (ImageInfo *) NULL; /* not these */  cli_wand->wand.exception = (ExceptionInfo *) NULL;  cli_wand=DestroyMagickCLI(cli_wand);  return(exception->severity < ErrorException ? MagickTrue : MagickFalse);}

WandExport MagickBooleanType StreamImageCommand(ImageInfo *image_info,  int argc,char **argv,char **metadata,ExceptionInfo *exception){#define DestroyStream() /{ /  DestroyImageStack(); /  stream_info=DestroyStreamInfo(stream_info); /  for (i=0; i < (ssize_t) argc; i++) /    argv[i]=DestroyString(argv[i]); /  argv=(char **) RelinquishMagickMemory(argv); /}#define ThrowStreamException(asperity,tag,option) /{ /  (void) ThrowMagickException(exception,GetMagickModule(),asperity,tag,"`%s'", /    option); /  DestroyStream(); /  return(MagickFalse); /}#define ThrowStreamInvalidArgumentException(option,argument) /{ /  (void) ThrowMagickException(exception,GetMagickModule(),OptionError, /    "InvalidArgument","'%s': %s",option,argument); /  DestroyStream(); /  return(MagickFalse); /}  char    *filename,    *option;  const char    *format;  Image    *image;  ImageStack    image_stack[MaxImageStackDepth+1];  MagickBooleanType    fire,    pend,    respect_parenthesis;  MagickStatusType    status;  register ssize_t    i;  ssize_t    j,    k;  StreamInfo    *stream_info;  /*    Set defaults.  */  assert(image_info != (ImageInfo *) NULL);  assert(image_info->signature == MagickSignature);  if (image_info->debug != MagickFalse)    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");  assert(exception != (ExceptionInfo *) NULL);  (void) metadata;  if (argc == 2)    {      option=argv[1];      if ((LocaleCompare("version",option+1) == 0) ||          (LocaleCompare("-version",option+1) == 0))        {          ListMagickVersion(stdout);          return(MagickFalse);        }    }  if (argc < 3)    return(StreamUsage());  format="%w,%h,%m";  (void) format;  j=1;  k=0;  NewImageStack();  option=(char *) NULL;  pend=MagickFalse;  respect_parenthesis=MagickFalse;  stream_info=AcquireStreamInfo(image_info,exception);  status=MagickTrue;  /*    Stream an image.  */  ReadCommandlLine(argc,&argv);  status=ExpandFilenames(&argc,&argv);  if (status == MagickFalse)    ThrowStreamException(ResourceLimitError,"MemoryAllocationFailed",      GetExceptionMessage(errno));  status=OpenStream(image_info,stream_info,argv[argc-1],exception);  if (status == MagickFalse)    {      DestroyStream();//.........这里部分代码省略.........

//.........这里部分代码省略.........            GetMagickVersion((size_t *) NULL));          (void) FormatLocaleFile(stdout,"Copyright: %s/n",            GetMagickCopyright());          (void) FormatLocaleFile(stdout,"Features: %s/n/n",            GetMagickFeatures());          return(MagickFalse);        }    }  if (argc < 3)    return(CompareUsage());  channels=CompositeChannels;  difference_image=NewImageList();  similarity_image=NewImageList();  dissimilarity_threshold=DefaultDissimilarityThreshold;  distortion=0.0;  format=(char *) NULL;  j=1;  k=0;  metric=UndefinedMetric;  NewImageStack();  option=(char *) NULL;  pend=MagickFalse;  reconstruct_image=NewImageList();  respect_parenthesis=MagickFalse;  status=MagickTrue;  subimage_search=MagickFalse;  /*    Compare an image.  */  ReadCommandlLine(argc,&argv);  status=ExpandFilenames(&argc,&argv);  if (status == MagickFalse)    ThrowCompareException(ResourceLimitError,"MemoryAllocationFailed",      GetExceptionMessage(errno));  for (i=1; i < (ssize_t) (argc-1); i++)  {    option=argv[i];    if (LocaleCompare(option,"(") == 0)      {        FireImageStack(MagickTrue,MagickTrue,pend);        if (k == MaxImageStackDepth)          ThrowCompareException(OptionError,"ParenthesisNestedTooDeeply",            option);        PushImageStack();        continue;      }    if (LocaleCompare(option,")") == 0)      {        FireImageStack(MagickTrue,MagickTrue,MagickTrue);        if (k == 0)          ThrowCompareException(OptionError,"UnableToParseExpression",option);        PopImageStack();        continue;      }    if (IsCommandOption(option) == MagickFalse)      {        Image          *images;        /*          Read input image.        */        FireImageStack(MagickFalse,MagickFalse,pend);        filename=argv[i];        if ((LocaleCompare(filename,"--") == 0) && (i < (ssize_t) (argc-1)))          filename=argv[++i];

//.........这里部分代码省略.........    ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");  count=ReadBlob(image,(size_t) GetBlobSize(image),buffer);  if ((count == 0) || (LocaleNCompare((char *) buffer,"SFW",3) != 0))    ThrowReaderException(CorruptImageError,"ImproperImageHeader");  (void) CloseBlob(image);  image=DestroyImage(image);  /*    Find the start of the JFIF data  */  header=SFWScan(buffer,buffer+count-1,(const unsigned char *)    "/377/310/377/320",4);  if (header == (unsigned char *) NULL)    {      buffer=(unsigned char *) RelinquishMagickMemory(buffer);      ThrowReaderException(CorruptImageError,"ImproperImageHeader");    }  TranslateSFWMarker(header);  /* translate soi and app tags */  TranslateSFWMarker(header+2);  (void) CopyMagickMemory(header+6,"JFIF/0/001/0",7);  /* JFIF magic */  /*    Translate remaining markers.  */  offset=header+2;  offset+=(offset[2] << 8)+offset[3]+2;  for ( ; ; )  {    TranslateSFWMarker(offset);    if (offset[1] == 0xda)      break;    offset+=(offset[2] << 8)+offset[3]+2;  }  offset--;  data=SFWScan(offset,buffer+count-1,(const unsigned char *) "/377/311",2);  if (data == (unsigned char *) NULL)    {      buffer=(unsigned char *) RelinquishMagickMemory(buffer);      ThrowReaderException(CorruptImageError,"ImproperImageHeader");    }  TranslateSFWMarker(data++);  /* translate eoi marker */  /*    Write JFIF file.  */  read_info=CloneImageInfo(image_info);  read_info->blob=(void *) NULL;  read_info->length=0;  file=(FILE *) NULL;  unique_file=AcquireUniqueFileResource(read_info->filename);  if (unique_file != -1)    file=OpenMagickStream(read_info->filename,"wb");  if ((unique_file == -1) || (file == (FILE *) NULL))    {      buffer=(unsigned char *) RelinquishMagickMemory(buffer);      read_info=DestroyImageInfo(read_info);      (void) CopyMagickString(image->filename,read_info->filename,        MaxTextExtent);      ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",        image->filename);      image=DestroyImageList(image);      return((Image *) NULL);    }  extent=fwrite(header,(size_t) (offset-header+1),1,file);  extent=fwrite(HuffmanTable,1,sizeof(HuffmanTable)/sizeof(*HuffmanTable),file);  extent=fwrite(offset+1,(size_t) (data-offset),1,file);  status=ferror(file) == -1 ? MagickFalse : MagickTrue;  (void) fclose(file);  buffer=(unsigned char *) RelinquishMagickMemory(buffer);  if (status == MagickFalse)    {      char        *message;      (void) remove(read_info->filename);      read_info=DestroyImageInfo(read_info);      message=GetExceptionMessage(errno);      (void) ThrowMagickException(&image->exception,GetMagickModule(),        FileOpenError,"UnableToWriteFile","`%s': %s",image->filename,message);      message=DestroyString(message);      image=DestroyImageList(image);      return((Image *) NULL);    }  /*    Read JPEG image.  */  image=ReadImage(read_info,exception);  (void) RelinquishUniqueFileResource(read_info->filename);  read_info=DestroyImageInfo(read_info);  if (image == (Image *) NULL)    return(GetFirstImageInList(image));  /*    Correct image orientation.  */  flipped_image=FlipImage(image,exception);  if (flipped_image != (Image *) NULL)    {      DuplicateBlob(flipped_image,image);      image=DestroyImage(image);      image=flipped_image;    }  return(GetFirstImageInList(image));}

WandExport MagickBooleanType IdentifyImageCommand(ImageInfo *image_info,  int argc,char **argv,char **metadata,ExceptionInfo *exception){#define DestroyIdentify() /{ /  for ( ; k >= 0; k--) /    image_stack[k]=DestroyImageList(image_stack[k]); /  for (i=0; i < (long) argc; i++) /    argv[i]=DestroyString(argv[i]); /  argv=(char **) RelinquishMagickMemory(argv); /}#define ThrowIdentifyException(asperity,tag,option) /{ /  if (exception->severity == UndefinedException) /    (void) ThrowMagickException(exception,GetMagickModule(),asperity,tag, /      "`%s'",option); /  DestroyIdentify(); /  return(MagickFalse); /}#define ThrowIdentifyInvalidArgumentException(option,argument) /{ /  (void) ThrowMagickException(exception,GetMagickModule(),OptionError, /    "InvalidArgument","`%s': %s",argument,option); /  DestroyIdentify(); /  return(MagickFalse); /}  const char    *format,    *option;  Image    *image_stack[MaxImageStackDepth+1];  long    j,    k;  MagickBooleanType    fire,    pend;  MagickStatusType    status;  register long    i;  unsigned long    count;  /*    Set defaults.  */  assert(image_info != (ImageInfo *) NULL);  assert(image_info->signature == MagickSignature);  if (image_info->debug != MagickFalse)    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");  assert(exception != (ExceptionInfo *) NULL);  if (argc < 2)    IdentifyUsage();  count=0;  format=NULL;  j=1;  k=0;  image_stack[k]=NewImageList();  option=(char *) NULL;  pend=MagickFalse;  status=MagickTrue;  /*    Identify an image.  */  ReadCommandlLine(argc,&argv);  status=ExpandFilenames(&argc,&argv);  if (status == MagickFalse)    {      char        *message;      message=GetExceptionMessage(errno);      ThrowIdentifyException(ResourceLimitError,"MemoryAllocationFailed",        message);      message=DestroyString(message);    }  for (i=1; i < (long) argc; i++)  {    option=argv[i];    if (LocaleCompare(option,"(") == 0)      {        if (k == MaxImageStackDepth)          ThrowIdentifyException(OptionError,"ParenthesisNestedTooDeeply",            option);        MogrifyImageStack(image_stack[k],MagickTrue,pend);        k++;        image_stack[k]=NewImageList();        continue;      }    if (LocaleCompare(option,")") == 0)      {        if (k == 0)//.........这里部分代码省略.........

/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%                                                                             %%                                                                             %%                                                                             %+   A c q u i r e W a n d C L I                                               %%                                                                             %%                                                                             %%                                                                             %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  AcquireMagickCLI() creates a new CLI wand (an expanded form of Magick%  Wand). The given image_info and exception is included as is if provided.%%  Use DestroyMagickCLI() to dispose of the CLI wand when it is no longer%  needed.%%  The format of the NewMagickWand method is:%%      MagickCLI *AcquireMagickCLI(ImageInfo *image_info,%           ExceptionInfo *exception)%*/WandExport MagickCLI *AcquireMagickCLI(ImageInfo *image_info,    ExceptionInfo *exception){  MagickCLI    *cli_wand;  /* precaution - as per NewMagickWand() */  {     size_t depth = MAGICKCORE_QUANTUM_DEPTH;     const char *quantum = GetMagickQuantumDepth(&depth);     if (depth != MAGICKCORE_QUANTUM_DEPTH)       ThrowWandFatalException(WandError,"QuantumDepthMismatch",quantum);  }  /* allocate memory for MgaickCLI */  cli_wand=(MagickCLI *) AcquireMagickMemory(sizeof(*cli_wand));  if (cli_wand == (MagickCLI *) NULL)    {      ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed",        GetExceptionMessage(errno));      return((MagickCLI *)NULL);    }  /* Initialize Wand Part of MagickCLI     FUTURE: this is a repeat of code from NewMagickWand()     However some parts may be given fro man external source!  */  cli_wand->wand.id=AcquireWandId();  (void) FormatLocaleString(cli_wand->wand.name,MaxTextExtent,           "%s-%.20g","MagickWandCLI", (double) cli_wand->wand.id);  cli_wand->wand.images=NewImageList();  if ( image_info == (ImageInfo *)NULL)    cli_wand->wand.image_info=AcquireImageInfo();  else    cli_wand->wand.image_info=image_info;  if ( exception == (ExceptionInfo *)NULL)    cli_wand->wand.exception=AcquireExceptionInfo();  else    cli_wand->wand.exception=exception;  cli_wand->wand.debug=IsEventLogging();  cli_wand->wand.signature=WandSignature;  /* Initialize CLI Part of MagickCLI */  cli_wand->draw_info=CloneDrawInfo(cli_wand->wand.image_info,(DrawInfo *) NULL);  cli_wand->quantize_info=AcquireQuantizeInfo(cli_wand->wand.image_info);  cli_wand->process_flags=MagickCommandOptionFlags;  /* assume "magick" CLI */  cli_wand->command=(const OptionInfo *)NULL;     /* no option at this time */  cli_wand->image_list_stack=(Stack *)NULL;  cli_wand->image_info_stack=(Stack *)NULL;  /* default exception location...     EG: sprintf(locaiton, filename, line, column);  */  cli_wand->location="from /"%s/"";   /* location format using arguments: */                                      /*      filename, line, column */  cli_wand->filename="unknown";       /* script filename, unknown source */  cli_wand->line=0;                   /* line from script OR CLI argument */  cli_wand->column=0;                 /* column from script */  cli_wand->signature=WandSignature;  if (IfMagickTrue(cli_wand->wand.debug))    (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",cli_wand->wand.name);  return(cli_wand);}

//.........这里部分代码省略.........  if (argc == 2)    {      option=argv[1];      if ((LocaleCompare("version",option+1) == 0) ||          (LocaleCompare("-version",option+1) == 0))        {          (void) fprintf(stdout,"Version: %s/n",            GetMagickVersion((unsigned long *) NULL));          (void) fprintf(stdout,"Copyright: %s/n/n",GetMagickCopyright());          return(MagickTrue);        }    }  display=(Display *) NULL;  j=1;  k=0;  image_stack[k]=NewImageList();  option=(char *) NULL;  pend=MagickFalse;  resource_database=(XrmDatabase) NULL;  (void) ResetMagickMemory(&resource_info,0,sizeof(resource_info));  server_name=(char *) NULL;  status=MagickTrue;  SetNotifyHandlers;  /*    Check for server name specified on the command line.  */  ReadCommandlLine(argc,&argv);  status=ExpandFilenames(&argc,&argv);  if (status == MagickFalse)    {      char        *message;      message=GetExceptionMessage(errno);      ThrowImportException(ResourceLimitError,"MemoryAllocationFailed",        message);      message=DestroyString(message);    }  for (i=1; i < (long) argc; i++)  {    /*      Check command line for server name.    */    option=argv[i];    if (IsMagickOption(option) == MagickFalse)      continue;    if (LocaleCompare("display",option+1) == 0)      {        /*          User specified server name.        */        i++;        if (i == (long) argc)          ThrowImportException(OptionError,"MissingArgument",option);        server_name=argv[i];      }    if ((LocaleCompare("help",option+1) == 0) ||        (LocaleCompare("-help",option+1) == 0))      ImportUsage();  }  /*    Get user defaults from X resource database.  */  display=XOpenDisplay(server_name);  if (display == (Display *) NULL)    ThrowImportException(XServerError,"UnableToOpenXServer",

//.........这里部分代码省略.........    Open image file.  */  assert(image_info != (const ImageInfo *) NULL);  assert(image_info->signature == MagickSignature);  if (image_info->debug != MagickFalse)    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",      image_info->filename);  assert(exception != (ExceptionInfo *) NULL);  assert(exception->signature == MagickSignature);  pwp_image=AcquireImage(image_info);  image=pwp_image;  status=OpenBlob(image_info,pwp_image,ReadBinaryBlobMode,exception);  if (status == MagickFalse)    return((Image *) NULL);  count=ReadBlob(pwp_image,5,magick);  if ((count == 0) || (LocaleNCompare((char *) magick,"SFW95",5) != 0))    ThrowReaderException(CorruptImageError,"ImproperImageHeader");  read_info=CloneImageInfo(image_info);  (void) SetImageInfoProgressMonitor(read_info,(MagickProgressMonitor) NULL,    (void *) NULL);  SetImageInfoBlob(read_info,(void *) NULL,0);  unique_file=AcquireUniqueFileResource(read_info->filename);  for ( ; ; )  {    for (c=ReadBlobByte(pwp_image); c != EOF; c=ReadBlobByte(pwp_image))    {      for (i=0; i < 17; i++)        magick[i]=magick[i+1];      magick[17]=(unsigned char) c;      if (LocaleNCompare((char *) (magick+12),"SFW94A",6) == 0)        break;    }    if (c == EOF)      break;    if (LocaleNCompare((char *) (magick+12),"SFW94A",6) != 0)      ThrowReaderException(CorruptImageError,"ImproperImageHeader");    /*      Dump SFW image to a temporary file.    */    file=(FILE *) NULL;    if (unique_file != -1)      file=fdopen(unique_file,"wb");    if ((unique_file == -1) || (file == (FILE *) NULL))      {        ThrowFileException(exception,FileOpenError,"UnableToWriteFile",          image->filename);        image=DestroyImageList(image);        return((Image *) NULL);      }    length=fwrite("SFW94A",1,6,file);    (void) length;    filesize=65535UL*magick[2]+256L*magick[1]+magick[0];    for (i=0; i < (ssize_t) filesize; i++)    {      c=ReadBlobByte(pwp_image);      (void) fputc(c,file);    }    (void) fclose(file);    next_image=ReadImage(read_info,exception);    if (next_image == (Image *) NULL)      break;    (void) FormatLocaleString(next_image->filename,MaxTextExtent,      "slide_%02ld.sfw",(long) next_image->scene);    if (image == (Image *) NULL)      image=next_image;    else      {        /*          Link image into image list.        */        for (p=image; p->next != (Image *) NULL; p=GetNextImageInList(p)) ;        next_image->previous=p;        next_image->scene=p->scene+1;        p->next=next_image;      }    if (image_info->number_scenes != 0)      if (next_image->scene >= (image_info->scene+image_info->number_scenes-1))        break;    status=SetImageProgress(image,LoadImagesTag,TellBlob(pwp_image),      GetBlobSize(pwp_image));    if (status == MagickFalse)      break;  }  (void) RelinquishUniqueFileResource(read_info->filename);  read_info=DestroyImageInfo(read_info);  (void) CloseBlob(pwp_image);  pwp_image=DestroyImage(pwp_image);  if (EOFBlob(image) != MagickFalse)    {      char        *message;      message=GetExceptionMessage(errno);      (void) ThrowMagickException(exception,GetMagickModule(),CorruptImageError,        "UnexpectedEndOfFile","`%s': %s",image->filename,message);      message=DestroyString(message);    }  (void) CloseBlob(image);  return(GetFirstImageInList(image));}