Implements 1d and 2d arrays of points (Pta, Ptaa) More...

#include <string.h>
#include "allheaders.h"

Functions
PTA *	ptaCreate (l_int32 n)
PTA *	ptaCreateFromNuma (NUMA nax, NUMA nay)
void	ptaDestroy (PTA **ppta)
PTA *	ptaCopy (PTA *pta)
PTA *	ptaClone (PTA *pta)
l_int32	ptaEmpty (PTA *pta)
l_int32	ptaAddPt (PTA *pta, l_float32 x, l_float32 y)
l_int32	ptaExtendArrays (PTA *pta)
l_int32	ptaGetRefcount (PTA *pta)
l_int32	ptaChangeRefcount (PTA *pta, l_int32 delta)
l_int32	ptaGetCount (PTA *pta)
l_int32	ptaGetPt (PTA pta, l_int32 index, l_float32 px, l_float32 *py)
l_int32	ptaGetIPt (PTA pta, l_int32 index, l_int32 px, l_int32 *py)
l_int32	ptaSetPt (PTA *pta, l_int32 index, l_float32 x, l_float32 y)
l_int32	ptaGetArrays (PTA pta, NUMA pnax, NUMA *pnay)
PTA *	ptaRead (const char *filename)
PTA *	ptaReadStream (FILE *fp)
l_int32	ptaWrite (const char filename, PTA pta, l_int32 type)
l_int32	ptaWriteStream (FILE fp, PTA pta, l_int32 type)
PTAA *	ptaaCreate (l_int32 n)
void	ptaaDestroy (PTAA **pptaa)
l_int32	ptaaAddPta (PTAA ptaa, PTA pta, l_int32 copyflag)
l_int32	ptaaExtendArray (PTAA *ptaa)
l_int32	ptaaGetCount (PTAA *ptaa)
PTA *	ptaaGetPta (PTAA *ptaa, l_int32 index, l_int32 accessflag)
l_int32	ptaaGetPt (PTAA ptaa, l_int32 ipta, l_int32 jpt, l_float32 px, l_float32 *py)
PTAA *	ptaaRead (const char *filename)
PTAA *	ptaaReadStream (FILE *fp)
l_int32	ptaaWrite (const char filename, PTAA ptaa, l_int32 type)
l_int32	ptaaWriteStream (FILE fp, PTAA ptaa, l_int32 type)
Variables
static const l_int32	INITIAL_PTR_ARRAYSIZE = 20

Detailed Description

Implements 1d and 2d arrays of points (Pta, Ptaa)

    Pta creation, destruction, copy, clone, empty
         PTA      *ptaCreate()
         PTA      *ptaCreateFromNuma()
         void      ptaDestroy()
         PTA      *ptaCopy()
         PTA      *ptaClone()
         l_int32   ptaEmpty()

    Pta array extension
         l_int32   ptaAddPt()
         l_int32   ptaExtendArrays()

    Pta Accessors
         l_int32   ptaGetRefcount()
         l_int32   ptaChangeRefcount()
         l_int32   ptaGetCount()
         l_int32   ptaGetPt()
         l_int32   ptaGetIPt()
         l_int32   ptaSetPt()
         l_int32   ptaGetArrays()

    Pta serialized for I/O
         PTA      *ptaRead()
         PTA      *ptaReadStream()
         l_int32   ptaWrite()
         l_int32   ptaWriteStream()

    Ptaa creation, destruction
         PTAA     *ptaaCreate()
         void      ptaaDestroy()

    Ptaa array extension
         l_int32   ptaaAddPta()
         l_int32   ptaaExtendArray()

    Ptaa Accessors
         l_int32   ptaaGetCount()
         l_int32   ptaaGetPta()
         l_int32   ptaaGetPt()

    Ptaa serialized for I/O
         PTAA     *ptaaRead()
         PTAA     *ptaaReadStream()
         l_int32   ptaaWrite()
         l_int32   ptaaWriteStream()

Definition in file ptabasic.c.

Function Documentation

PTA* ptaCreate ( l_int32 n )

ptaCreate()

Input: n (initial array sizes) Return: pta, or null on error.

Definition at line 83 of file ptabasic.c.

References CALLOC, ERROR_PTR, INITIAL_PTR_ARRAYSIZE, Pta::n, Pta::nalloc, NULL, PROCNAME, ptaChangeRefcount(), Pta::x, and Pta::y.

Referenced by boxaConvertToPta(), boxIntersectByLine(), ccbaGenerateGlobalLocs(), ccbaGenerateSinglePath(), ccbaGenerateSPGlobalLocs(), ccbaStepChainsToPixCoords(), ccbCreate(), dewarpBuildModel(), generatePtaaBoxa(), generatePtaBox(), generatePtaBoxa(), generatePtaFilledCircle(), generatePtaHashBox(), generatePtaLine(), generatePtaPolyline(), getCutPathForHole(), jbAccumulateComposites(), jbClasserCreate(), jbClassifyCorrelation(), jbDataRead(), jbGetLLCorners(), main(), MakePtas(), pdfdataCreate(), pixaCentroids(), pixFindBaselines(), pixFindCornerPixels(), pixFindHistoPeaksHSV(), pixGenerateSelWithRuns(), pixGetHoleBorder(), pixGetLocalSkewAngles(), pixGetLocalSkewTransform(), pixGetMeanVerticals(), pixGetOuterBorder(), pixSearchBinaryMaze(), pixSearchGrayMaze(), pixSelectMinInConnComp(), pixSubsampleBoundaryPixels(), ptaAffineTransform(), ptaCopy(), ptaCreateFromNuma(), ptaCyclicPerm(), ptaGetInsideBox(), ptaGetPixelsFromPix(), ptaReadStream(), ptaRemoveDuplicates(), ptaReverse(), ptaRotate(), ptaScale(), ptaSort(), ptaSubsample(), ptaTransform(), and ptaTranslate().

PTA* ptaCreateFromNuma	(	NUMA *	nax,
		NUMA *	nay
	)

ptaCreateFromNuma()

Input: nax (<optional> can be null) nay Return: pta, or null on error.

Definition at line 115 of file ptabasic.c.

References ERROR_PTR, NULL, numaGetCount(), numaGetFValue(), numaGetXParameters(), PROCNAME, ptaAddPt(), and ptaCreate().

Referenced by dewarpBuildModel(), and main().

void ptaDestroy ( PTA ** ppta )

ptaDestroy()

Input: &pta (<to be="" nulled>="">) Return: void

Note:

Decrements the ref count and, if 0, destroys the pta.
Always nulls the input ptr.

Definition at line 156 of file ptabasic.c.

References FREE, L_WARNING, NULL, PROCNAME, ptaChangeRefcount(), ptaGetRefcount(), Pta::x, and Pta::y.

Referenced by boxaAffineTransform(), boxaRotate(), boxaScale(), boxaTranslate(), boxIntersectByLine(), ccbaDisplayBorder(), ccbaDisplayImage1(), ccbaDisplayImage2(), ccbaGenerateGlobalLocs(), ccbaGenerateSinglePath(), ccbaGenerateSPGlobalLocs(), ccbaGenerateStepChains(), ccbDestroy(), dewarpBuildModel(), generatePtaBox(), generatePtaBoxa(), generatePtaHashBox(), generatePtaPolyline(), generatePtaWideLine(), jbAccumulateComposites(), jbClasserDestroy(), jbClassifyCorrelation(), jbClassifyRankHaus(), jbDataDestroy(), jbGetLLCorners(), main(), pdfdataDestroy(), pixAffinePtaWithAlpha(), pixBilinearPtaWithAlpha(), pixDeskewLocal(), pixDisplayMatchedPattern(), pixDisplayPtaa(), pixExtractOnLine(), pixGenerateSelBoundary(), pixGenerateSelWithRuns(), pixGetLocalSkewAngles(), pixGetOuterBorderPta(), pixGetRunsOnLine(), pixProjectivePtaWithAlpha(), pixRemoveMatchedPattern(), pixRenderBox(), pixRenderBoxa(), pixRenderBoxaArb(), pixRenderBoxaBlend(), pixRenderBoxArb(), pixRenderBoxBlend(), pixRenderHashBox(), pixRenderHashBoxArb(), pixRenderHashBoxBlend(), pixRenderLine(), pixRenderLineArb(), pixRenderLineBlend(), pixRenderPolyline(), pixRenderPolylineArb(), pixRenderPolylineBlend(), pixRenderRandomCmapPtaa(), ptaaDestroy(), ptaaGetBoundaryPixels(), ptaaGetPt(), ptaaRemoveShortLines(), ptaaWriteStream(), selaAddCrossJunctions(), selaAddTJunctions(), selDisplayInPix(), wshedApply(), and wshedDestroy().

PTA* ptaCopy ( PTA * pta )

ptaCopy()

Input: pta Return: copy of pta, or null on error

Definition at line 189 of file ptabasic.c.

References ERROR_PTR, Pta::n, Pta::nalloc, NULL, PROCNAME, ptaAddPt(), ptaCreate(), and ptaGetPt().

Referenced by ptaaAddPta(), and ptaaGetPta().

PTA* ptaClone ( PTA * pta )

ptaClone()

Input: pta Return: ptr to same pta, or null on error

Definition at line 219 of file ptabasic.c.

References ERROR_PTR, NULL, PROCNAME, and ptaChangeRefcount().

Referenced by generatePtaBoxa(), generatePtaPolyline(), jbDataSave(), pixGetOuterBorderPta(), pixRenderRandomCmapPtaa(), ptaaAddPta(), and ptaaGetPta().

l_int32 ptaEmpty ( PTA * pta )

ptaEmpty()

Input: pta Return: 0 if OK, 1 on error

Note: this only resets the "n" field, for reuse

Definition at line 240 of file ptabasic.c.

References ERROR_INT, Pta::n, and PROCNAME.

Referenced by getCutPathForHole().

l_int32 ptaAddPt	(	PTA *	pta,
		l_float32	x,
		l_float32	y
	)

ptaAddPt()

Input: pta x, y Return: 0 if OK, 1 on error

Definition at line 262 of file ptabasic.c.

References ERROR_INT, Pta::n, Pta::nalloc, PROCNAME, ptaExtendArrays(), Pta::x, and Pta::y.

Referenced by boxaConvertToPta(), boxIntersectByLine(), ccbaGenerateGlobalLocs(), ccbaGenerateSinglePath(), ccbaGenerateSPGlobalLocs(), ccbaReadStream(), ccbaStepChainsToPixCoords(), dewarpBuildModel(), generatePtaaBoxa(), generatePtaFilledCircle(), generatePtaLine(), getCutPathForHole(), jbAccumulateComposites(), jbClassifyCorrelation(), jbClassifyRankHaus(), jbDataRead(), jbGetLLCorners(), jbGetULCorners(), main(), MakePtas(), pixaCentroids(), pixConvertToPdfData(), pixFindBaselines(), pixFindCornerPixels(), pixFindHistoPeaksHSV(), pixGenerateSelWithRuns(), pixGetHoleBorder(), pixGetLocalSkewAngles(), pixGetLocalSkewTransform(), pixGetMeanVerticals(), pixGetOuterBorder(), pixSearchBinaryMaze(), pixSearchGrayMaze(), pixSelectMinInConnComp(), pixSubsampleBoundaryPixels(), ptaAffineTransform(), ptaCopy(), ptaCreateFromNuma(), ptaCyclicPerm(), ptaGetInsideBox(), ptaGetPixelsFromPix(), ptaJoin(), ptaReadStream(), ptaRemoveDuplicates(), ptaReverse(), ptaRotate(), ptaScale(), ptaSort(), ptaSubsample(), ptaTransform(), and ptaTranslate().

l_int32 ptaExtendArrays ( PTA * pta )

ptaExtendArrays()

Input: pta Return: 0 if OK; 1 on error

Definition at line 291 of file ptabasic.c.

References ERROR_INT, Pta::nalloc, NULL, PROCNAME, reallocNew(), Pta::x, and Pta::y.

Referenced by ptaAddPt().

l_int32 ptaGetRefcount ( PTA * pta )

Definition at line 316 of file ptabasic.c.

References ERROR_INT, PROCNAME, and Pta::refcount.

Referenced by ptaDestroy().

l_int32 ptaChangeRefcount	(	PTA *	pta,
		l_int32	delta
	)

Definition at line 327 of file ptabasic.c.

References ERROR_INT, PROCNAME, and Pta::refcount.

Referenced by ptaClone(), ptaCreate(), and ptaDestroy().

l_int32 ptaGetCount ( PTA * pta )

ptaGetCount()

Input: pta Return: count, or 0 if no pta

Definition at line 346 of file ptabasic.c.

References ERROR_INT, Pta::n, and PROCNAME.

Referenced by boxIntersectByLine(), ccbaDisplayBorder(), ccbaDisplayImage1(), ccbaDisplayImage2(), ccbaDisplaySPBorder(), ccbaGenerateGlobalLocs(), ccbaGenerateSinglePath(), ccbaGenerateSPGlobalLocs(), ccbaGenerateStepChains(), ccbaWriteSVGString(), generatePtaPolyline(), getCutPathForHole(), jbDataWrite(), jbGetLLCorners(), main(), pixAffinePta(), pixAffinePtaColor(), pixAffinePtaGray(), pixAffineSampledPta(), pixAffineSequential(), pixBilinearPta(), pixBilinearPtaColor(), pixBilinearPtaGray(), pixBilinearSampledPta(), pixDisplayPta(), pixDisplayPtaa(), pixExtractOnLine(), pixFindBaselines(), pixGenerateFromPta(), pixGenerateSelBoundary(), pixGenerateSelWithRuns(), pixGetLocalSkewAngles(), pixGetRunsOnLine(), pixPlotAlongPta(), pixProjectivePta(), pixProjectivePtaColor(), pixProjectivePtaGray(), pixProjectiveSampledPta(), pixRenderPta(), pixRenderPtaArb(), pixRenderPtaBlend(), ptaAffineTransform(), ptaContainsPt(), ptaConvertToBoxa(), ptaCyclicPerm(), ptaGetArrays(), ptaGetBoundingRegion(), ptaGetCubicLSF(), ptaGetInsideBox(), ptaGetLinearLSF(), ptaGetQuadraticLSF(), ptaGetQuarticLSF(), ptaGetRange(), ptaJoin(), ptaRemoveDuplicates(), ptaReverse(), ptaRotate(), ptaScale(), ptaSort(), ptaSubsample(), ptaTestIntersection(), ptaTransform(), ptaTranslate(), ptaWriteStream(), selCreateFromPta(), and wshedApply().

l_int32 ptaGetPt	(	PTA *	pta,
		l_int32	index,
		l_float32 *	px,
		l_float32 *	py
	)

ptaGetPt()

Input: pta index (into arrays) &x (<optional return>=""> float x value) &y (<optional return>=""> float y value) Return: 0 if OK; 1 on error

Definition at line 367 of file ptabasic.c.

References ERROR_INT, Pta::n, PROCNAME, Pta::x, and Pta::y.

Referenced by dewarpBuildModel(), generateContentStringPdf(), generateMediaboxPdf(), getAffineXformCoeffs(), getBilinearXformCoeffs(), getProjectiveXformCoeffs(), jbAccumulateComposites(), jbClassifyCorrelation(), jbClassifyRankHaus(), jbGetULCorners(), pixExtractOnLine(), ptaAffineTransform(), ptaaGetPt(), ptaCopy(), ptaGetInsideBox(), ptaGetRange(), ptaReverse(), ptaRotate(), ptaScale(), ptaSort(), ptaSubsample(), ptaTranslate(), and ptaWriteStream().

l_int32 ptaGetIPt	(	PTA *	pta,
		l_int32	index,
		l_int32 *	px,
		l_int32 *	py
	)

ptaGetIPt()

Input: pta index (into arrays) &x (<optional return>=""> integer x value) &y (<optional return>=""> integer y value) Return: 0 if OK; 1 on error

Definition at line 397 of file ptabasic.c.

References ERROR_INT, Pta::n, PROCNAME, Pta::x, and Pta::y.

Referenced by boxIntersectByLine(), ccbaDisplayBorder(), ccbaDisplayImage1(), ccbaDisplayImage2(), ccbaDisplaySPBorder(), ccbaGenerateGlobalLocs(), ccbaGenerateSinglePath(), ccbaGenerateSPGlobalLocs(), ccbaGenerateStepChains(), ccbaStepChainsToPixCoords(), ccbaWriteStream(), ccbaWriteSVGString(), generatePtaPolyline(), getCutPathForHole(), identifyWatershedBasin(), jbDataRender(), jbDataWrite(), jbGetLLCorners(), main(), pixAffineSequential(), pixDisplayMatchedPattern(), pixDisplayPta(), pixDisplayPtaa(), pixFindBaselines(), pixGenerateFromPta(), pixGenerateSelBoundary(), pixGenerateSelWithRuns(), pixGetRunsOnLine(), pixPlotAlongPta(), pixRemoveMatchedPattern(), pixRenderPta(), pixRenderPtaArb(), pixRenderPtaBlend(), ptaContainsPt(), ptaConvertToBoxa(), ptaCyclicPerm(), ptaGetBoundingRegion(), ptaJoin(), ptaRemoveDuplicates(), ptaReverse(), ptaTestIntersection(), ptaTransform(), ptaWriteStream(), selCreateFromPta(), and wshedApply().

l_int32 ptaSetPt	(	PTA *	pta,
		l_int32	index,
		l_float32	x,
		l_float32	y
	)

ptaSetPt()

Input: pta index (into arrays) x, y Return: 0 if OK; 1 on error

Definition at line 426 of file ptabasic.c.

References ERROR_INT, Pta::n, PROCNAME, Pta::x, and Pta::y.

Referenced by generateMediaboxPdf().

l_int32 ptaGetArrays	(	PTA *	pta,
		NUMA **	pnax,
		NUMA **	pnay
	)

ptaGetArrays()

Input: pta &nax (<optional return>=""> numa of x array) &nay (<optional return>=""> numa of y array) Return: 0 if OK; 1 on error or if pta is empty

Notes: (1) This copies the internal arrays into new Numas.

Definition at line 456 of file ptabasic.c.

References Numa::array, ERROR_INT, Numa::n, NULL, numaCreate(), PROCNAME, ptaGetCount(), Pta::x, and Pta::y.

Referenced by dewarpBuildModel(), main(), and pixGetLocalSkewAngles().

PTA* ptaRead ( const char * filename )

ptaRead()

Input: filename Return: pta, or null on error

Definition at line 504 of file ptabasic.c.

References ERROR_PTR, fopenReadStream(), NULL, PROCNAME, and ptaReadStream().

PTA* ptaReadStream ( FILE * fp )

ptaReadStream()

Input: stream Return: pta, or null on error

Definition at line 533 of file ptabasic.c.

References ERROR_PTR, NULL, PROCNAME, PTA_VERSION_NUMBER, ptaAddPt(), ptaCreate(), and version.

Referenced by ptaaReadStream(), and ptaRead().

l_int32 ptaWrite	(	const char *	filename,
		PTA *	pta,
		l_int32	type
	)

ptaWrite()

Input: filename pta type (0 for float values; 1 for integer values) Return: 0 if OK, 1 on error

Definition at line 584 of file ptabasic.c.

References ERROR_INT, fopenWriteStream(), NULL, PROCNAME, and ptaWriteStream().

l_int32 ptaWriteStream	(	FILE *	fp,
		PTA *	pta,
		l_int32	type
	)

ptaWriteStream()

Input: stream pta type (0 for float values; 1 for integer values) Return: 0 if OK; 1 on error

Definition at line 616 of file ptabasic.c.

References ERROR_INT, PROCNAME, PTA_VERSION_NUMBER, ptaGetCount(), ptaGetIPt(), and ptaGetPt().

Referenced by main(), ptaaWriteStream(), and ptaWrite().

PTAA* ptaaCreate ( l_int32 n )

ptaaCreate()

Input: n (initial number of ptrs) Return: ptaa, or null on error

Definition at line 661 of file ptabasic.c.

References CALLOC, ERROR_PTR, INITIAL_PTR_ARRAYSIZE, Ptaa::n, Ptaa::nalloc, NULL, PROCNAME, and Ptaa::pta.

Referenced by ccbaGenerateGlobalLocs(), ccbaGenerateSinglePath(), ccbaStepChainsToPixCoords(), ccbCreate(), dewarpBuildModel(), generatePtaaBoxa(), generatePtaaHashBoxa(), main(), pixGetOuterBordersPtaa(), pixGetTextlineCenters(), ptaaGetBoundaryPixels(), ptaaReadStream(), ptaaRemoveShortLines(), and ptaaSortByIndex().

void ptaaDestroy ( PTAA ** pptaa )

ptaaDestroy()

Input: &ptaa <to be="" nulled>=""> Return: void

Definition at line 689 of file ptabasic.c.

References FREE, L_WARNING, Ptaa::n, NULL, PROCNAME, Ptaa::pta, and ptaDestroy().

Referenced by ccbaGenerateGlobalLocs(), ccbaGenerateSinglePath(), ccbaStepChainsToPixCoords(), ccbDestroy(), dewarpBuildModel(), DoPageSegmentation(), main(), pixDrawBoxaRandom(), and pixGetRegionsBinary().

l_int32 ptaaAddPta	(	PTAA *	ptaa,
		PTA *	pta,
		l_int32	copyflag
	)

ptaaAddPta()

Input: ptaa pta (to be added) copyflag (L_INSERT, L_COPY, L_CLONE) Return: 0 if OK, 1 on error

Definition at line 726 of file ptabasic.c.

References ERROR_INT, L_CLONE, L_COPY, L_INSERT, Ptaa::n, Ptaa::nalloc, NULL, PROCNAME, Ptaa::pta, ptaaExtendArray(), ptaaGetCount(), ptaClone(), and ptaCopy().

Referenced by ccbaGenerateGlobalLocs(), ccbaGenerateSinglePath(), ccbaStepChainsToPixCoords(), dewarpBuildModel(), generatePtaaBoxa(), generatePtaaHashBoxa(), main(), pixGetHoleBorder(), pixGetOuterBorder(), pixGetOuterBordersPtaa(), pixGetTextlineCenters(), ptaaGetBoundaryPixels(), ptaaReadStream(), ptaaRemoveShortLines(), and ptaaSortByIndex().

l_int32 ptaaExtendArray ( PTAA * ptaa )

ptaaExtendArray()

Input: ptaa Return: 0 if OK, 1 on error

Definition at line 770 of file ptabasic.c.

References ERROR_INT, Ptaa::nalloc, NULL, PROCNAME, Ptaa::pta, and reallocNew().

Referenced by ptaaAddPta().

l_int32 ptaaGetCount ( PTAA * ptaa )

ptaaGetCount()

Input: ptaa Return: count, or 0 if no ptaa

Definition at line 797 of file ptabasic.c.

References ERROR_INT, Ptaa::n, and PROCNAME.

Referenced by ccbaDisplayBorder(), ccbaDisplayImage1(), ccbaDisplayImage2(), ccbaGenerateGlobalLocs(), ccbaGenerateSinglePath(), ccbaGenerateStepChains(), dewarpBuildModel(), main(), pixDisplayPtaa(), pixRenderRandomCmapPtaa(), ptaaAddPta(), ptaaRemoveShortLines(), ptaaSortByIndex(), and ptaaWriteStream().

PTA* ptaaGetPta	(	PTAA *	ptaa,
		l_int32	index,
		l_int32	accessflag
	)

ptaaGetPta()

Input: ptaa index (to the i-th pta) accessflag (L_COPY or L_CLONE) Return: pta, or null on error

Definition at line 817 of file ptabasic.c.

References ERROR_PTR, L_CLONE, L_COPY, Ptaa::n, NULL, PROCNAME, Ptaa::pta, ptaClone(), and ptaCopy().

Referenced by ccbaDisplayBorder(), ccbaDisplayImage1(), ccbaDisplayImage2(), ccbaGenerateGlobalLocs(), ccbaGenerateSinglePath(), ccbaGenerateStepChains(), dewarpBuildModel(), main(), pixDisplayPtaa(), pixGetOuterBorderPta(), pixRenderRandomCmapPtaa(), ptaaGetPt(), ptaaRemoveShortLines(), ptaaSortByIndex(), and ptaaWriteStream().

l_int32 ptaaGetPt	(	PTAA *	ptaa,
		l_int32	ipta,
		l_int32	jpt,
		l_float32 *	px,
		l_float32 *	py
	)

ptaaGetPt()

Input: ptaa ipta (to the i-th pta) jpt (index to the j-th pt in the pta) &x (<optional return>=""> float x value) &y (<optional return>=""> float y value) Return: 0 if OK; 1 on error

Definition at line 848 of file ptabasic.c.

References ERROR_INT, L_CLONE, Pta::n, Ptaa::n, PROCNAME, ptaaGetPta(), ptaDestroy(), and ptaGetPt().

Referenced by dewarpBuildModel().

PTAA* ptaaRead ( const char * filename )

ptaaRead()

Input: filename Return: ptaa, or null on error

Definition at line 887 of file ptabasic.c.

References ERROR_PTR, fopenReadStream(), NULL, PROCNAME, and ptaaReadStream().

Referenced by main().

PTAA* ptaaReadStream ( FILE * fp )

ptaaReadStream()

Input: stream Return: ptaa, or null on error