tesseract::TextlineProjection Class Reference

#include <textlineprojection.h>

Public Member Functions
	TextlineProjection (int resolution)
	~TextlineProjection ()
void	ConstructProjection (TO_BLOCK *input_block, const FCOORD &rotation, Pix *nontext_map)
void	PlotGradedBlobs (BLOBNBOX_LIST *blobs, ScrollView *win)
void	MoveNonTextlineBlobs (BLOBNBOX_LIST *blobs, BLOBNBOX_LIST *small_blobs) const
void	DisplayProjection () const
int	DistanceOfBoxFromPartition (const TBOX &box, const ColPartition &part, const DENORM *denorm, bool debug) const
int	DistanceOfBoxFromBox (const TBOX &from_box, const TBOX &to_box, bool horizontal_textline, const DENORM *denorm, bool debug) const
int	VerticalDistance (bool debug, int x, int y1, int y2) const
int	HorizontalDistance (bool debug, int x1, int x2, int y) const
bool	BoxOutOfHTextline (const TBOX &box, const DENORM *denorm, bool debug) const
int	EvaluateColPartition (const ColPartition &part, const DENORM *denorm, bool debug) const
int	EvaluateBox (const TBOX &box, const DENORM *denorm, bool debug) const

Private Member Functions
int	EvaluateBoxInternal (const TBOX &box, const DENORM *denorm, bool debug, int *hgrad1, int *hgrad2, int *vgrad1, int *vgrad2) const
int	BestMeanGradientInRow (const DENORM *denorm, int16_t min_x, int16_t max_x, int16_t y, bool best_is_max) const
int	BestMeanGradientInColumn (const DENORM *denorm, int16_t x, int16_t min_y, int16_t max_y, bool best_is_max) const
int	MeanPixelsInLineSegment (const DENORM *denorm, int offset, TPOINT start_pt, TPOINT end_pt) const
void	IncrementRectangle8Bit (const TBOX &box)
void	ProjectBlobs (BLOBNBOX_LIST *blobs, const FCOORD &rotation, const TBOX &image_box, Pix *nontext_map)
bool	PadBlobBox (BLOBNBOX *blob, TBOX *bbox)
void	TransformToPixCoords (const DENORM *denorm, TPOINT *pt) const
void	TruncateToImageBounds (TPOINT *pt) const
int	ImageXToProjectionX (int x) const
int	ImageYToProjectionY (int y) const

Private Attributes
int	scale_factor_
int	x_origin_
int	y_origin_
Pix *	pix_

Constructor & Destructor Documentation

TextlineProjection()

tesseract::TextlineProjection::TextlineProjection ( int  resolution )

explicit

~TextlineProjection()

tesseract::TextlineProjection::~TextlineProjection

(

)

Member Function Documentation

BestMeanGradientInColumn()

int tesseract::TextlineProjection::BestMeanGradientInColumn ( const DENORM *  denorm, int16_t  x, int16_t  min_y, int16_t  max_y, bool  best_is_max  ) const

private

BestMeanGradientInRow()

int tesseract::TextlineProjection::BestMeanGradientInRow ( const DENORM *  denorm, int16_t  min_x, int16_t  max_x, int16_t  y, bool  best_is_max  ) const

private

BoxOutOfHTextline()

bool tesseract::TextlineProjection::BoxOutOfHTextline	(	const TBOX &	box,
		const DENORM *	denorm,
		bool	debug
	)		const

ConstructProjection()

void tesseract::TextlineProjection::ConstructProjection	(	TO_BLOCK *	input_block,
		const FCOORD &	rotation,
		Pix *	nontext_map
	)

DisplayProjection()

void tesseract::TextlineProjection::DisplayProjection

(

)

const

DistanceOfBoxFromBox()

int tesseract::TextlineProjection::DistanceOfBoxFromBox	(	const TBOX &	from_box,
		const TBOX &	to_box,
		bool	horizontal_textline,
		const DENORM *	denorm,
		bool	debug
	)		const

DistanceOfBoxFromPartition()

int tesseract::TextlineProjection::DistanceOfBoxFromPartition	(	const TBOX &	box,
		const ColPartition &	part,
		const DENORM *	denorm,
		bool	debug
	)		const

EvaluateBox()

int tesseract::TextlineProjection::EvaluateBox	(	const TBOX &	box,
		const DENORM *	denorm,
		bool	debug
	)		const

EvaluateBoxInternal()

int tesseract::TextlineProjection::EvaluateBoxInternal ( const TBOX &  box, const DENORM *  denorm, bool  debug, int *  hgrad1, int *  hgrad2, int *  vgrad1, int *  vgrad2  ) const

private

EvaluateColPartition()

int tesseract::TextlineProjection::EvaluateColPartition	(	const ColPartition &	part,
		const DENORM *	denorm,
		bool	debug
	)		const

HorizontalDistance()

int tesseract::TextlineProjection::HorizontalDistance	(	bool	debug,
		int	x1,
		int	x2,
		int	y
	)		const

ImageXToProjectionX()

int tesseract::TextlineProjection::ImageXToProjectionX ( int  x ) const

private

ImageYToProjectionY()

int tesseract::TextlineProjection::ImageYToProjectionY ( int  y ) const

private

IncrementRectangle8Bit()

void tesseract::TextlineProjection::IncrementRectangle8Bit ( const TBOX &  box )

private

MeanPixelsInLineSegment()

int tesseract::TextlineProjection::MeanPixelsInLineSegment ( const DENORM *  denorm, int  offset, TPOINT  start_pt, TPOINT  end_pt  ) const

private

MoveNonTextlineBlobs()

void tesseract::TextlineProjection::MoveNonTextlineBlobs	(	BLOBNBOX_LIST *	blobs,
		BLOBNBOX_LIST *	small_blobs
	)		const

PadBlobBox()

bool tesseract::TextlineProjection::PadBlobBox ( BLOBNBOX *  blob, TBOX *  bbox  )

private

PlotGradedBlobs()

void tesseract::TextlineProjection::PlotGradedBlobs	(	BLOBNBOX_LIST *	blobs,
		ScrollView *	win
	)

ProjectBlobs()

void tesseract::TextlineProjection::ProjectBlobs ( BLOBNBOX_LIST *  blobs, const FCOORD &  rotation, const TBOX &  image_box, Pix *  nontext_map  )

private

TransformToPixCoords()

void tesseract::TextlineProjection::TransformToPixCoords ( const DENORM *  denorm, TPOINT *  pt  ) const

private

TruncateToImageBounds()

void tesseract::TextlineProjection::TruncateToImageBounds ( TPOINT *  pt ) const

private

VerticalDistance()

int tesseract::TextlineProjection::VerticalDistance	(	bool	debug,
		int	x,
		int	y1,
		int	y2
	)		const

Member Data Documentation

pix_

Pix* tesseract::TextlineProjection::pix_

private

scale_factor_

int tesseract::TextlineProjection::scale_factor_

private

x_origin_

int tesseract::TextlineProjection::x_origin_

private

y_origin_

int tesseract::TextlineProjection::y_origin_

private

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The documentation for this class was generated from the following files:

• /home/stephane/src/tesseract/src/textord/textlineprojection.h
• /home/stephane/src/tesseract/src/textord/textlineprojection.cpp