MagickCore 6.9.12
Macros | Typedefs | Functions | Variables
magick.c File Reference
#include "magick/studio.h"
#include "magick/annotate.h"
#include "magick/blob.h"
#include "magick/blob-private.h"
#include "magick/cache.h"
#include "magick/coder.h"
#include "magick/client.h"
#include "magick/configure.h"
#include "magick/constitute.h"
#include "magick/delegate.h"
#include "magick/draw.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/locale_.h"
#include "magick/log.h"
#include "magick/magic.h"
#include "magick/magick.h"
#include "magick/memory_.h"
#include "magick/mime.h"
#include "magick/module.h"
#include "magick/monitor-private.h"
#include "magick/mutex.h"
#include "magick/nt-base-private.h"
#include "magick/nt-feature.h"
#include "magick/opencl-private.h"
#include "magick/random_.h"
#include "magick/registry.h"
#include "magick/resource_.h"
#include "magick/policy.h"
#include "magick/semaphore.h"
#include "magick/semaphore-private.h"
#include "magick/signature-private.h"
#include "magick/splay-tree.h"
#include "magick/static.h"
#include "magick/string_.h"
#include "magick/string-private.h"
#include "magick/thread_.h"
#include "magick/thread-private.h"
#include "magick/token.h"
#include "magick/utility.h"
#include "magick/xwindow-private.h"
Include dependency graph for magick.c:

Go to the source code of this file.

Macros

#define MAGICKCORE_RETSIGTYPE   void
 
#define SIG_DFL   ((SignalHandler *) 0)
 
#define SIG_ERR   ((SignalHandler *) -1)
 
#define SIGMAX   64
 
#define MagickPrecision   (4+MAGICKCORE_QUANTUM_DEPTH/8)
 

Typedefs

typedef MAGICKCORE_RETSIGTYPE SignalHandler(int)
 

Functions

static MagickBooleanType IsMagickTreeInstantiated (ExceptionInfo *)
 
MagickExport DecodeImageHandler * GetImageDecoder (const MagickInfo *magick_info)
 
MagickExport EncodeImageHandler * GetImageEncoder (const MagickInfo *magick_info)
 
MagickExport MagickBooleanType GetImageMagick (const unsigned char *magick, const size_t length, char *format)
 
MagickExport MagickBooleanType GetMagickAdjoin (const MagickInfo *magick_info)
 
MagickExport MagickBooleanType GetMagickBlobSupport (const MagickInfo *magick_info)
 
MagickExport const char * GetMagickDescription (const MagickInfo *magick_info)
 
MagickExport MagickBooleanType GetMagickEndianSupport (const MagickInfo *magick_info)
 
MagickExport const MagickInfo * GetMagickInfo (const char *name, ExceptionInfo *exception)
 
static int MagickInfoCompare (const void *x, const void *y)
 
MagickExport const MagickInfo ** GetMagickInfoList (const char *pattern, size_t *number_formats, ExceptionInfo *exception)
 
static int MagickCompare (const void *x, const void *y)
 
MagickExport char ** GetMagickList (const char *pattern, size_t *number_formats, ExceptionInfo *exception)
 
MagickExport const char * GetMagickMimeType (const MagickInfo *magick_info)
 
MagickExport int GetMagickPrecision (void)
 
MagickExport MagickBooleanType GetMagickRawSupport (const MagickInfo *magick_info)
 
MagickExport MagickBooleanType GetMagickSeekableStream (const MagickInfo *magick_info)
 
MagickExport MagickStatusType GetMagickThreadSupport (const MagickInfo *magick_info)
 
static void * DestroyMagickNode (void *magick_info)
 
MagickExport MagickBooleanType IsMagickConflict (const char *magick)
 
MagickExport MagickBooleanType ListMagickInfo (FILE *file, ExceptionInfo *exception)
 
MagickExport MagickBooleanType IsMagickCoreInstantiated (void)
 
MagickExport MagickBooleanType MagickComponentGenesis (void)
 
MagickExport void MagickComponentTerminus (void)
 
static SignalHandler * SetMagickSignalHandler (int signal_number, SignalHandler *handler)
 
static void MagickSignalHandler (int signal_number)
 
static SignalHandler * RegisterMagickSignalHandler (int signal_number)
 
MagickExport void MagickCoreGenesis (const char *path, const MagickBooleanType establish_signal_handlers)
 
MagickExport void MagickCoreTerminus (void)
 
MagickExport MagickInfo * RegisterMagickInfo (MagickInfo *magick_info)
 
MagickExport MagickInfo * SetMagickInfo (const char *name)
 
MagickExport int SetMagickPrecision (const int precision)
 
MagickExport MagickBooleanType UnregisterMagickInfo (const char *name)
 

Variables

static SemaphoreInfo * magick_semaphore = (SemaphoreInfo *) NULL
 
static SignalHandler * signal_handlers [SIGMAX] = { (SignalHandler *) NULL }
 
static SplayTreeInfo * magick_list = (SplayTreeInfo *) NULL
 
static volatile MagickBooleanType instantiate_magickcore = MagickFalse
 
static volatile MagickBooleanType magickcore_signal_in_progress = MagickFalse
 
static volatile MagickBooleanType magick_list_initialized = MagickFalse
 

Macro Definition Documentation

◆ MAGICKCORE_RETSIGTYPE

#define MAGICKCORE_RETSIGTYPE   void

Definition at line 98 of file magick.c.

◆ MagickPrecision

#define MagickPrecision   (4+MAGICKCORE_QUANTUM_DEPTH/8)

◆ SIG_DFL

#define SIG_DFL   ((SignalHandler *) 0)

Definition at line 101 of file magick.c.

◆ SIG_ERR

#define SIG_ERR   ((SignalHandler *) -1)

Definition at line 104 of file magick.c.

◆ SIGMAX

#define SIGMAX   64

Definition at line 107 of file magick.c.

Typedef Documentation

◆ SignalHandler

typedef MAGICKCORE_RETSIGTYPE SignalHandler(int)

Definition at line 114 of file magick.c.

Function Documentation

◆ DestroyMagickNode()

static void * DestroyMagickNode ( void *  magick_info)
static

Definition at line 828 of file magick.c.

References _MagickInfo::description, DestroySemaphoreInfo(), DestroyString(), _MagickInfo::magick_module, _MagickInfo::mime_type, _MagickInfo::name, _MagickInfo::note, RelinquishMagickMemory(), _MagickInfo::semaphore, and _MagickInfo::version.

Referenced by IsMagickTreeInstantiated().

◆ GetImageDecoder()

MagickExport DecodeImageHandler * GetImageDecoder ( const MagickInfo *  magick_info)

Definition at line 161 of file magick.c.

References _MagickInfo::decoder, GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, _MagickInfo::signature, and TraceEvent.

Referenced by ReadImage().

◆ GetImageEncoder()

MagickExport EncodeImageHandler * GetImageEncoder ( const MagickInfo *  magick_info)

Definition at line 192 of file magick.c.

References _MagickInfo::encoder, GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, _MagickInfo::signature, and TraceEvent.

Referenced by WriteImage().

◆ GetImageMagick()

MagickExport MagickBooleanType GetImageMagick ( const unsigned char *  magick,
const size_t  length,
char *  format 
)

Definition at line 230 of file magick.c.

References AcquireExceptionInfo(), CopyMagickString(), DestroyExceptionInfo(), GetMagickInfo(), GetMagickModule, GetNextValueInSplayTree(), IsEventLogging(), LockSemaphoreInfo(), LogMagickEvent(), _MagickInfo::magick, magick_list, magick_semaphore, MagickFalse, MagickTrue, MaxTextExtent, _MagickInfo::name, ResetSplayTreeIterator(), TraceEvent, and UnlockSemaphoreInfo().

◆ GetMagickAdjoin()

MagickExport MagickBooleanType GetMagickAdjoin ( const MagickInfo *  magick_info)

Definition at line 291 of file magick.c.

References _MagickInfo::adjoin, GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, _MagickInfo::signature, and TraceEvent.

Referenced by ImagesToBlob(), and SetImageInfo().

◆ GetMagickBlobSupport()

MagickExport MagickBooleanType GetMagickBlobSupport ( const MagickInfo *  magick_info)

Definition at line 322 of file magick.c.

References _MagickInfo::blob_support, GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, _MagickInfo::signature, and TraceEvent.

Referenced by BlobToImage(), ImagesToBlob(), ImageToBlob(), OpenBlob(), and PingBlob().

◆ GetMagickDescription()

MagickExport const char * GetMagickDescription ( const MagickInfo *  magick_info)

Definition at line 354 of file magick.c.

References _MagickInfo::description, GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, _MagickInfo::signature, and TraceEvent.

Referenced by IdentifyImage().

◆ GetMagickEndianSupport()

MagickExport MagickBooleanType GetMagickEndianSupport ( const MagickInfo *  magick_info)

Definition at line 386 of file magick.c.

References _MagickInfo::endian_support, GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, _MagickInfo::signature, and TraceEvent.

Referenced by ReadImage(), SetImageInfo(), and WriteImage().

◆ GetMagickInfo()

MagickExport const MagickInfo * GetMagickInfo ( const char *  name,
ExceptionInfo *  exception 
)

Definition at line 422 of file magick.c.

References GetRootValueFromSplayTree(), GetValueFromSplayTree(), IsMagickTreeInstantiated(), LocaleCompare(), LockSemaphoreInfo(), magick_list, magick_semaphore, MagickFalse, OpenModule(), OpenModules(), RegisterStaticModule(), RegisterStaticModules(), and UnlockSemaphoreInfo().

Referenced by BlobToImage(), GetImageMagick(), GetMagickInfoList(), GetMagickList(), IdentifyImage(), ImagesToBlob(), ImageToBlob(), OpenBlob(), PingBlob(), ReadImage(), SetImageInfo(), and WriteImage().

◆ GetMagickInfoList()

MagickExport const MagickInfo ** GetMagickInfoList ( const char *  pattern,
size_t *  number_formats,
ExceptionInfo *  exception 
)

Definition at line 512 of file magick.c.

References AcquireQuantumMemory(), GetMagickInfo(), GetMagickModule, GetNextValueInSplayTree(), GetNumberOfNodesInSplayTree(), GlobExpression(), IsEventLogging(), LockSemaphoreInfo(), LogMagickEvent(), magick_list, magick_semaphore, MagickFalse, MagickInfoCompare(), _MagickInfo::name, ResetSplayTreeIterator(), _MagickInfo::stealth, TraceEvent, and UnlockSemaphoreInfo().

Referenced by ListMagickInfo().

◆ GetMagickList()

MagickExport char ** GetMagickList ( const char *  pattern,
size_t *  number_formats,
ExceptionInfo *  exception 
)

Definition at line 606 of file magick.c.

References AcquireQuantumMemory(), ConstantString(), GetMagickInfo(), GetMagickModule, GetNextValueInSplayTree(), GetNumberOfNodesInSplayTree(), GlobExpression(), IsEventLogging(), LockSemaphoreInfo(), LogMagickEvent(), magick_list, magick_semaphore, MagickCompare(), MagickFalse, _MagickInfo::name, ResetSplayTreeIterator(), _MagickInfo::stealth, TraceEvent, and UnlockSemaphoreInfo().

◆ GetMagickMimeType()

MagickExport const char * GetMagickMimeType ( const MagickInfo *  magick_info)

Definition at line 672 of file magick.c.

References GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, _MagickInfo::mime_type, _MagickInfo::signature, and TraceEvent.

Referenced by IdentifyImage().

◆ GetMagickPrecision()

MagickExport int GetMagickPrecision ( void  )

Definition at line 700 of file magick.c.

References GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickFalse, SetMagickPrecision(), and TraceEvent.

Referenced by AcquireResizeFilter(), AutoThresholdImage(), ConcatenateColorComponent(), DistortImage(), FormatMagickSize(), FxEvaluateSubexpression(), GetImageChannelDistortion(), GetImageProperty(), GetMagickProperty(), IdentifyImage(), InterpretImageProperties(), ListMagickVersion(), PrintChannelLocations(), PrintChannelMoments(), PrintChannelPerceptualHash(), PrintChannelStatistics(), SetResampleFilter(), and ShowKernelInfo().

◆ GetMagickRawSupport()

MagickExport MagickBooleanType GetMagickRawSupport ( const MagickInfo *  magick_info)

Definition at line 729 of file magick.c.

References GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, _MagickInfo::raw, _MagickInfo::signature, and TraceEvent.

Referenced by ReadImage(), and WriteImage().

◆ GetMagickSeekableStream()

MagickExport MagickBooleanType GetMagickSeekableStream ( const MagickInfo *  magick_info)

Definition at line 762 of file magick.c.

References GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, _MagickInfo::seekable_stream, _MagickInfo::signature, and TraceEvent.

Referenced by ReadImage(), and WriteImage().

◆ GetMagickThreadSupport()

MagickExport MagickStatusType GetMagickThreadSupport ( const MagickInfo *  magick_info)

Definition at line 794 of file magick.c.

References GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, _MagickInfo::signature, _MagickInfo::thread_support, and TraceEvent.

Referenced by ReadImage(), and WriteImage().

◆ IsMagickConflict()

MagickExport MagickBooleanType IsMagickConflict ( const char *  magick)

Definition at line 910 of file magick.c.

References MACIsMagickConflict(), MagickFalse, NTIsMagickConflict(), and VMSIsMagickConflict().

◆ IsMagickCoreInstantiated()

MagickExport MagickBooleanType IsMagickCoreInstantiated ( void  )

Definition at line 1053 of file magick.c.

References instantiate_magickcore.

Referenced by IsMagickInstantiated().

◆ IsMagickTreeInstantiated()

static MagickBooleanType IsMagickTreeInstantiated ( ExceptionInfo *  exception)
static

Definition at line 851 of file magick.c.

References ActivateSemaphoreInfo(), AddValueToSplayTree(), CompareSplayTreeString(), DestroyMagickNode(), GetModuleInfo(), LockSemaphoreInfo(), magick_list, magick_list_initialized, magick_semaphore, MagickFalse, MagickTrue, _MagickInfo::name, NewSplayTree(), ResourceLimitFatalError, SetMagickInfo(), _MagickInfo::stealth, ThrowFatalException, and UnlockSemaphoreInfo().

Referenced by GetMagickInfo().

◆ ListMagickInfo()

MagickExport MagickBooleanType ListMagickInfo ( FILE *  file,
ExceptionInfo *  exception 
)

Definition at line 948 of file magick.c.

References _MagickInfo::blob_support, ClearMagickException(), ConcatenateMagickString(), CopyMagickString(), DestroyString(), FormatLocaleFile(), GetMagickInfoList(), magick_module, MagickFalse, MagickTrue, MaxTextExtent, _MagickInfo::name, RelinquishMagickMemory(), and StringToList().

◆ MagickCompare()

static int MagickCompare ( const void *  x,
const void *  y 
)
static

Definition at line 591 of file magick.c.

References LocaleCompare().

Referenced by GetMagickList().

◆ MagickComponentGenesis()

MagickExport MagickBooleanType MagickComponentGenesis ( void  )

Definition at line 1076 of file magick.c.

References AllocateSemaphoreInfo(), magick_semaphore, and MagickTrue.

Referenced by MagickCoreGenesis().

◆ MagickComponentTerminus()

MagickExport void MagickComponentTerminus ( void  )

Definition at line 1101 of file magick.c.

References ActivateSemaphoreInfo(), DestroySemaphoreInfo(), DestroySplayTree(), LockSemaphoreInfo(), magick_list, magick_list_initialized, magick_semaphore, MagickFalse, and UnlockSemaphoreInfo().

Referenced by MagickCoreTerminus().

◆ MagickCoreGenesis()

MagickExport void MagickCoreGenesis ( const char *  path,
const MagickBooleanType  establish_signal_handlers 
)

Definition at line 1244 of file magick.c.

References AnnotateComponentGenesis(), CacheComponentGenesis(), CoderComponentGenesis(), ColorComponentGenesis(), ConfigureComponentGenesis(), CopyMagickString(), DelegateComponentGenesis(), DestroyString(), DirectorySeparator, ExceptionComponentGenesis(), GetEnvironmentValue(), GetExecutionPath(), GetPathComponent(), HeadPath, InitializeMagickMutex(), instantiate_magickcore, IsPathAccessible(), LocaleComponentGenesis(), LockMagickMutex(), LogComponentGenesis(), MagicComponentGenesis(), MagickComponentGenesis(), MagickFalse, MagickTrue, MaxTextExtent, MimeComponentGenesis(), ModuleComponentGenesis(), MonitorComponentGenesis(), PolicyComponentGenesis(), RandomComponentGenesis(), RegisterMagickSignalHandler(), RegistryComponentGenesis(), ResourceComponentGenesis(), SemaphoreComponentGenesis(), SetClientName(), SetClientPath(), SetLogEventMask(), signal_handlers, TailPath, TypeComponentGenesis(), UnlockMagickMutex(), and XComponentGenesis().

Referenced by InitializeMagick(), and MagickIncarnate().

◆ MagickCoreTerminus()

MagickExport void MagickCoreTerminus ( void  )

Definition at line 1388 of file magick.c.

References AnnotateComponentTerminus(), AsynchronousResourceComponentTerminus(), CacheComponentTerminus(), CoderComponentTerminus(), ColorComponentTerminus(), ConfigureComponentTerminus(), DelegateComponentTerminus(), ExceptionComponentTerminus(), InitializeMagickMutex(), instantiate_magickcore, LocaleComponentTerminus(), LockMagickMutex(), LogComponentTerminus(), MagicComponentTerminus(), MagickComponentTerminus(), MagickFalse, MimeComponentTerminus(), ModuleComponentTerminus(), MonitorComponentTerminus(), PolicyComponentTerminus(), RandomComponentTerminus(), RegistryComponentTerminus(), ResourceComponentTerminus(), SemaphoreComponentTerminus(), TypeComponentTerminus(), UnlockMagickMutex(), and UnregisterStaticModules().

Referenced by DefaultFatalErrorHandler(), and DestroyMagick().

◆ MagickInfoCompare()

static int MagickInfoCompare ( const void *  x,
const void *  y 
)
static

Definition at line 497 of file magick.c.

References LocaleCompare().

Referenced by GetMagickInfoList().

◆ MagickSignalHandler()

static void MagickSignalHandler ( int  signal_number)
static

Definition at line 1179 of file magick.c.

References AsynchronousResourceComponentTerminus(), magickcore_signal_in_progress, MagickFalse, MagickSignalHandler(), MagickTrue, SetMagickSignalHandler(), and signal_handlers.

Referenced by MagickSignalHandler(), and RegisterMagickSignalHandler().

◆ RegisterMagickInfo()

MagickExport MagickInfo * RegisterMagickInfo ( MagickInfo *  magick_info)

Definition at line 1465 of file magick.c.

References AddValueToSplayTree(), AllocateSemaphoreInfo(), DecoderThreadSupport, EncoderThreadSupport, GetMagickModule, IsEventLogging(), LogMagickEvent(), magick_list, MagickCoreSignature, MagickFalse, _MagickInfo::name, ResourceLimitFatalError, _MagickInfo::semaphore, _MagickInfo::signature, _MagickInfo::thread_support, ThrowFatalException, and TraceEvent.

◆ RegisterMagickSignalHandler()

static SignalHandler * RegisterMagickSignalHandler ( int  signal_number)
static

Definition at line 1228 of file magick.c.

References ConfigureEvent, GetMagickModule, LogMagickEvent(), MagickSignalHandler(), SetMagickSignalHandler(), SIG_DFL, and SIG_ERR.

Referenced by MagickCoreGenesis().

◆ SetMagickInfo()

MagickExport MagickInfo * SetMagickInfo ( const char *  name)

Definition at line 1515 of file magick.c.

References AcquireMagickMemory(), _MagickInfo::adjoin, _MagickInfo::blob_support, ConstantString(), DecoderThreadSupport, EncoderThreadSupport, GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, _MagickInfo::name, ResourceLimitFatalError, _MagickInfo::signature, _MagickInfo::thread_support, ThrowFatalException, and TraceEvent.

Referenced by IsMagickTreeInstantiated().

◆ SetMagickPrecision()

MagickExport int SetMagickPrecision ( const int  precision)

Definition at line 1565 of file magick.c.

References DestroyString(), GetEnvironmentValue(), GetMagickModule, GetPolicyValue(), IsEventLogging(), LogMagickEvent(), MagickFalse, MagickPrecision, StringToInteger(), and TraceEvent.

Referenced by GetMagickPrecision().

◆ SetMagickSignalHandler()

static SignalHandler * SetMagickSignalHandler ( int  signal_number,
SignalHandler *  handler 
)
static

Definition at line 1142 of file magick.c.

References SIG_DFL, and SIG_ERR.

Referenced by MagickSignalHandler(), and RegisterMagickSignalHandler().

◆ UnregisterMagickInfo()

MagickExport MagickBooleanType UnregisterMagickInfo ( const char *  name)

Definition at line 1621 of file magick.c.

References DeleteNodeByValueFromSplayTree(), GetNextValueInSplayTree(), GetNumberOfNodesInSplayTree(), LocaleCompare(), LockSemaphoreInfo(), magick_list, magick_semaphore, MagickFalse, _MagickInfo::name, ResetSplayTreeIterator(), and UnlockSemaphoreInfo().

Variable Documentation

◆ instantiate_magickcore

volatile MagickBooleanType instantiate_magickcore = MagickFalse
static

Definition at line 129 of file magick.c.

Referenced by IsMagickCoreInstantiated(), MagickCoreGenesis(), and MagickCoreTerminus().

◆ magick_list

SplayTreeInfo* magick_list = (SplayTreeInfo *) NULL
static

Definition at line 126 of file magick.c.

Referenced by GetImageMagick(), GetMagickInfo(), GetMagickInfoList(), GetMagickList(), IsMagickTreeInstantiated(), MagickComponentTerminus(), RegisterMagickInfo(), and UnregisterMagickInfo().

◆ magick_list_initialized

volatile MagickBooleanType magick_list_initialized = MagickFalse
static

Definition at line 131 of file magick.c.

Referenced by IsMagickTreeInstantiated(), and MagickComponentTerminus().

◆ magick_semaphore

SemaphoreInfo* magick_semaphore = (SemaphoreInfo *) NULL
static

Definition at line 120 of file magick.c.

Referenced by GetImageMagick(), GetMagickInfo(), GetMagickInfoList(), GetMagickList(), IsMagickTreeInstantiated(), MagickComponentGenesis(), MagickComponentTerminus(), and UnregisterMagickInfo().

◆ magickcore_signal_in_progress

volatile MagickBooleanType magickcore_signal_in_progress = MagickFalse
static

Definition at line 130 of file magick.c.

Referenced by MagickSignalHandler().

◆ signal_handlers

SignalHandler* signal_handlers[SIGMAX] = { (SignalHandler *) NULL }
static

Definition at line 123 of file magick.c.

Referenced by MagickCoreGenesis(), and MagickSignalHandler().