blob.h File Reference

#include "MagickCore/image.h"
#include "MagickCore/stream.h"

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Macros
#define	MagickMaxBufferExtent   81920
#define	MagickMinBufferExtent   16384

Typedefs
typedef ssize_t(*	CustomStreamHandler )(unsigned char *, const size_t, void *)
typedef MagickOffsetType(*	CustomStreamSeeker )(const MagickOffsetType, const int, void *)
typedef MagickOffsetType(*	CustomStreamTeller )(void *)
typedef struct _CustomStreamInfo	CustomStreamInfo

Enumerations
enum	MapMode { ReadMode, WriteMode, IOMode, PersistMode }

Functions
MagickExport CustomStreamInfo *	AcquireCustomStreamInfo (ExceptionInfo *)
MagickExport CustomStreamInfo *	DestroyCustomStreamInfo (CustomStreamInfo *)
MagickExport FILE *	GetBlobFileHandle (const Image *) magick_attribute((__pure__))
MagickExport Image *	BlobToImage (const ImageInfo *, const void *, const size_t, ExceptionInfo *)
MagickExport Image *	PingBlob (const ImageInfo *, const void *, const size_t, ExceptionInfo *)
MagickExport Image *	CustomStreamToImage (const ImageInfo *, ExceptionInfo *)
MagickExport MagickBooleanType	BlobToFile (char *, const void *, const size_t, ExceptionInfo *)
MagickExport MagickBooleanType	FileToImage (Image *, const char *, ExceptionInfo *)
MagickExport MagickBooleanType	GetBlobError (const Image *) magick_attribute((__pure__))
MagickExport MagickBooleanType	ImageToFile (Image *, char *, ExceptionInfo *)
MagickExport MagickBooleanType	InjectImageBlob (const ImageInfo *, Image *, Image *, const char *, ExceptionInfo *)
MagickExport MagickBooleanType	IsBlobExempt (const Image *) magick_attribute((__pure__))
MagickExport MagickBooleanType	IsBlobSeekable (const Image *) magick_attribute((__pure__))
MagickExport MagickBooleanType	IsBlobTemporary (const Image *) magick_attribute((__pure__))
MagickExport MagickSizeType	GetBlobSize (const Image *)
MagickExport StreamHandler	GetBlobStreamHandler (const Image *) magick_attribute((__pure__))
MagickExport void *	GetBlobStreamData (const Image *) magick_attribute((__pure__))
MagickExport void	DestroyBlob (Image *)
MagickExport void	DuplicateBlob (Image *, const Image *)
MagickExport void *	FileToBlob (const char *, const size_t, size_t *, ExceptionInfo *)
MagickExport void *	ImageToBlob (const ImageInfo *, Image *, size_t *, ExceptionInfo *)
MagickExport void	ImageToCustomStream (const ImageInfo *, Image *, ExceptionInfo *)
MagickExport void *	ImagesToBlob (const ImageInfo *, Image *, size_t *, ExceptionInfo *)
MagickExport void	ImagesToCustomStream (const ImageInfo *, Image *, ExceptionInfo *)
MagickExport void	SetBlobExempt (Image *, const MagickBooleanType)
MagickExport void	SetCustomStreamData (CustomStreamInfo *, void *)
MagickExport void	SetCustomStreamReader (CustomStreamInfo *, CustomStreamHandler)
MagickExport void	SetCustomStreamSeeker (CustomStreamInfo *, CustomStreamSeeker)
MagickExport void	SetCustomStreamTeller (CustomStreamInfo *, CustomStreamTeller)
MagickExport void	SetCustomStreamWriter (CustomStreamInfo *, CustomStreamHandler)

Macro Definition Documentation

#define MagickMaxBufferExtent   81920

Definition at line 25 of file blob.h.

Referenced by AcquireUniqueSymbolicLink(), ClonePixelCacheOnDisk(), CopyDelegateFile(), CustomStreamToImage(), FileToBlob(), FileToImage(), FileToXML(), ImagesToCustomStream(), ImageToCustomStream(), ImageToFile(), InjectImageBlob(), OpenBlob(), ReadBlob(), ReadPixelCacheMetacontent(), ReadPixelCachePixels(), ShredFile(), WriteBlob(), WritePixelCacheMetacontent(), and WritePixelCachePixels().

#define MagickMinBufferExtent   16384

Definition at line 26 of file blob.h.

Referenced by DiscardBlobBytes(), and SetStreamBuffering().

Typedef Documentation

typedef ssize_t(* CustomStreamHandler)(unsigned char *, const size_t, void *)

Definition at line 37 of file blob.h.

typedef struct _CustomStreamInfo CustomStreamInfo

Definition at line 45 of file blob.h.

typedef MagickOffsetType(* CustomStreamSeeker)(const MagickOffsetType, const int, void *)

Definition at line 40 of file blob.h.

typedef MagickOffsetType(* CustomStreamTeller)(void *)

Definition at line 43 of file blob.h.

Enumeration Type Documentation

enum MapMode

Enumerator
ReadMode
WriteMode
IOMode
PersistMode

Definition at line 28 of file blob.h.

Function Documentation

MagickExport CustomStreamInfo* AcquireCustomStreamInfo

(

ExceptionInfo *

)

MagickExport MagickBooleanType BlobToFile	(	char *	,
		const void *	,
		const size_t	,
		ExceptionInfo *
	)

MagickExport Image* BlobToImage	(	const ImageInfo *	,
		const void *	,
		const size_t	,
		ExceptionInfo *
	)

MagickExport Image * CustomStreamToImage	(	const ImageInfo *	,
		ExceptionInfo *
	)

Definition at line 737 of file blob.c.

References AcquireQuantumMemory(), AcquireUniqueFileResource(), BlobError, CloneImageInfo(), CloseBlob(), CopyMagickString(), _ImageInfo::custom_stream, _CustomStreamInfo::data, _ImageInfo::debug, DestroyImageInfo(), _ImageInfo::file, _Image::filename, _ImageInfo::filename, FormatLocaleString(), GetFirstImageInList(), GetMagickBlobSupport(), GetMagickInfo(), GetMagickModule, GetNextImageInList(), LogMagickEvent(), _Image::magick, _ImageInfo::magick, _Image::magick_filename, MagickCoreSignature, MagickFalse, MagickMaxBufferExtent, MagickPathExtent, MissingDelegateError, _MagickInfo::name, _CustomStreamInfo::reader, ReadImage(), RelinquishMagickMemory(), RelinquishUniqueFileResource(), SetImageInfo(), _CustomStreamInfo::signature, _ImageInfo::signature, ThrowFileException, ThrowMagickException(), and TraceEvent.

MagickExport void DestroyBlob

(

Image *

)

MagickExport CustomStreamInfo * DestroyCustomStreamInfo

(

CustomStreamInfo *

)

Definition at line 955 of file blob.c.

References GetMagickModule, LogMagickEvent(), MagickCoreSignature, RelinquishMagickMemory(), _CustomStreamInfo::signature, and TraceEvent.

MagickExport void DuplicateBlob	(	Image *	,
		const Image *
	)

MagickExport void * FileToBlob	(	const char *	,
		const size_t	,
		size_t *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType FileToImage	(	Image *	,
		const char *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType GetBlobError

(

const Image *

)

MagickExport FILE* GetBlobFileHandle

(

const Image *

)

Definition at line 1705 of file blob.c.

References _Image::blob, FileInfo::file, _BlobInfo::file_info, MagickCoreSignature, and _Image::signature.

MagickExport MagickSizeType GetBlobSize

(

const Image *

)

Definition at line 1802 of file blob.c.

References _Image::blob, BlobStream, BZipStream, CustomStream, _Image::debug, FifoStream, _Image::filename, FileStream, GetMagickModule, GetPathAttributes(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, PipeStream, _Image::signature, StandardStream, TraceEvent, UndefinedStream, and ZipStream.

Referenced by CloseBlob(), FxGetSymbol(), GetMagickProperty(), GetMagickPropertyLetter(), OpenBlob(), PreviewImage(), RenderHoughLines(), and ThumbnailImage().

MagickExport void* GetBlobStreamData

(

const Image *

)

MagickExport StreamHandler GetBlobStreamHandler

(

const Image *

)

Definition at line 1935 of file blob.c.

References _Image::blob, _Image::debug, _Image::filename, GetMagickModule, LogMagickEvent(), MagickCoreSignature, MagickFalse, _Image::signature, _BlobInfo::stream, and TraceEvent.

Referenced by QueueAuthenticPixelsStream(), and SyncAuthenticPixelsStream().

MagickExport void * ImagesToBlob	(	const ImageInfo *	,
		Image *	,
		size_t *	,
		ExceptionInfo *
	)

MagickExport void ImagesToCustomStream	(	const ImageInfo *	,
		Image *	,
		ExceptionInfo *
	)

MagickExport void * ImageToBlob	(	const ImageInfo *	,
		Image *	,
		size_t *	,
		ExceptionInfo *
	)

MagickExport void ImageToCustomStream	(	const ImageInfo *	,
		Image *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType ImageToFile	(	Image *	,
		char *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType InjectImageBlob	(	const ImageInfo *	,
		Image *	,
		Image *	,
		const char *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType IsBlobExempt

(

const Image *

)

MagickExport MagickBooleanType IsBlobSeekable

(

const Image *

)

MagickExport MagickBooleanType IsBlobTemporary

(

const Image *

)

Definition at line 2927 of file blob.c.

References _Image::blob, _Image::debug, _Image::filename, GetMagickModule, LogMagickEvent(), MagickCoreSignature, MagickFalse, _Image::signature, _BlobInfo::temporary, and TraceEvent.

Referenced by ReadImage().

MagickExport Image * PingBlob	(	const ImageInfo *	,
		const void *	,
		const size_t	,
		ExceptionInfo *
	)

MagickExport void SetBlobExempt	(	Image *	,
		const MagickBooleanType
	)

MagickExport void SetCustomStreamData	(	CustomStreamInfo *	,
		void *
	)

MagickExport void SetCustomStreamReader	(	CustomStreamInfo *	,
		CustomStreamHandler
	)

MagickExport void SetCustomStreamSeeker	(	CustomStreamInfo *	,
		CustomStreamSeeker
	)

MagickExport void SetCustomStreamTeller	(	CustomStreamInfo *	,
		CustomStreamTeller
	)

MagickExport void SetCustomStreamWriter	(	CustomStreamInfo *	,
		CustomStreamHandler
	)

Definition at line 5309 of file blob.c.

References MagickCoreSignature, _CustomStreamInfo::signature, and _CustomStreamInfo::writer.