matrix.h File Reference

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Typedefs
typedef struct _MatrixInfo	MatrixInfo

Functions
MagickExport double **	AcquireMagickMatrix (const size_t, const size_t)
MagickExport double **	RelinquishMagickMatrix (double **, const size_t)
MagickExport Image *	MatrixToImage (const MatrixInfo *, ExceptionInfo *)
MagickExport MagickBooleanType	GetMatrixElement (const MatrixInfo *, const ssize_t, const ssize_t, void *)
MagickExport MagickBooleanType	NullMatrix (MatrixInfo *)
MagickExport MagickBooleanType	SetMatrixElement (const MatrixInfo *, const ssize_t, const ssize_t, const void *)
MagickExport MatrixInfo *	AcquireMatrixInfo (const size_t, const size_t, const size_t, ExceptionInfo *)
MagickExport MatrixInfo *	DestroyMatrixInfo (MatrixInfo *)
MagickExport size_t	GetMatrixColumns (const MatrixInfo *)
MagickExport size_t	GetMatrixRows (const MatrixInfo *)

Typedef Documentation

MatrixInfo

typedef struct _MatrixInfo MatrixInfo

Definition at line 26 of file matrix.h.

Function Documentation

AcquireMagickMatrix()

MagickExport double ** AcquireMagickMatrix	(	const	size_t,
		const	size_t
	)

AcquireMatrixInfo()

MagickExport MatrixInfo * AcquireMatrixInfo	(	const	size_t,
		const	size_t,
		const	size_t,
		ExceptionInfo *
	)

DestroyMatrixInfo()

MagickExport MatrixInfo * DestroyMatrixInfo

(

MatrixInfo *

matrix_info

)

Definition at line 369 of file matrix.c.

References DiskCache, DiskResource, _MatrixInfo::elements, _MatrixInfo::file, _MatrixInfo::length, LockSemaphoreInfo(), MagickCoreSignature, MagickFalse, MapCache, _MatrixInfo::mapped, MapResource, MemoryCache, MemoryResource, _MatrixInfo::path, RelinquishMagickMemory(), RelinquishMagickResource(), RelinquishSemaphoreInfo(), RelinquishUniqueFileResource(), _MatrixInfo::semaphore, _MatrixInfo::signature, _MatrixInfo::type, UnlockSemaphoreInfo(), and UnmapBlob().

Referenced by AcquireMatrixInfo(), CannyEdgeImage(), ConnectedComponentsImage(), HoughLineImage(), and RadonTransform().

GetMatrixColumns()

MagickExport size_t GetMatrixColumns

(

const MatrixInfo *

)

GetMatrixElement()

MagickExport MagickBooleanType GetMatrixElement	(	const MatrixInfo *	,
		const	ssize_t,
		const	ssize_t,
		void *
	)

GetMatrixRows()

MagickExport size_t GetMatrixRows

(

const MatrixInfo *

matrix_info

)

Definition at line 751 of file matrix.c.

References MagickCoreSignature, _MatrixInfo::rows, and _MatrixInfo::signature.

Referenced by RadonProjection().

MatrixToImage()

MagickExport Image * MatrixToImage	(	const MatrixInfo *	matrix_info,
		ExceptionInfo *	exception
	)

Definition at line 872 of file matrix.c.

References AcquireAuthenticCacheView(), AcquireImage(), ClampToQuantum(), _Image::colorspace, _Image::columns, _MatrixInfo::columns, DestroyCacheView(), DestroyImage(), GetMatrixElement(), GetPixelChannels(), GRAYColorspace, MagickCoreSignature, MagickFalse, MagickTrue, QuantumRange, QueueCacheViewAuthenticPixels(), _Image::rows, _MatrixInfo::rows, _ExceptionInfo::signature, _MatrixInfo::signature, _MatrixInfo::stride, and SyncCacheViewAuthenticPixels().

Referenced by HoughLineImage().

NullMatrix()

MagickExport MagickBooleanType NullMatrix

(

MatrixInfo *

)

RelinquishMagickMatrix()

MagickExport double ** RelinquishMagickMatrix	(	double **	matrix,
		const	size_t
	)

Definition at line 1066 of file matrix.c.

References RelinquishMagickMemory().

Referenced by GenerateCoefficients().

SetMatrixElement()

MagickExport MagickBooleanType SetMatrixElement	(	const MatrixInfo *	matrix_info,
		const	ssize_t,
		const	ssize_t,
		const void *	value
	)

Definition at line 1110 of file matrix.c.

References _MatrixInfo::columns, DiskCache, _MatrixInfo::elements, _MatrixInfo::length, MagickCoreSignature, MagickFalse, MagickTrue, _MatrixInfo::signature, _MatrixInfo::stride, _MatrixInfo::type, and WriteMatrixElements().

Referenced by CannyEdgeImage(), ConnectedComponentsImage(), HoughLineImage(), RadonProjection(), RadonTransform(), and TraceEdges().