POLY_BLOCK Class Reference

#include <polyblk.h>

Collaboration diagram for POLY_BLOCK:

Public Member Functions
	POLY_BLOCK ()=default
	POLY_BLOCK (const TBOX &tbox, PolyBlockType type)
	POLY_BLOCK (ICOORDELT_LIST *points, PolyBlockType type)
	~POLY_BLOCK ()=default
TBOX *	bounding_box ()
ICOORDELT_LIST *	points ()
PolyBlockType	isA () const
bool	IsText () const
POLY_BLOCK::compute_bb
Compute the bounding box from the outline points.
void	compute_bb ()
POLY_BLOCK::rotate
Rotate the POLY_BLOCK. Parameters rotation cos, sin of angle
void	rotate (FCOORD rotation)
POLY_BLOCK::winding_number
Return the winding number of the outline around the given point. Parameters point point to wind around
bool	contains (POLY_BLOCK *other)
int16_t	winding_number (const ICOORD &test_pt)

Private Attributes
ICOORDELT_LIST	vertices
TBOX	box
PolyBlockType	type

POLY_BLOCK::reflect_in_y_axis
Reflect the coords of the polygon in the y-axis. (Flip the sign of x.)
void	reflect_in_y_axis ()
void	move (ICOORD shift)
void	plot (ScrollView *window, int32_t num)
void	fill (ScrollView *window, ScrollView::Color colour)
bool	overlap (POLY_BLOCK *other)
static ScrollView::Color	ColorForPolyBlockType (PolyBlockType type)
	Returns a color to draw the given type. More...

Constructor & Destructor Documentation

POLY_BLOCK() [1/3]

POLY_BLOCK::POLY_BLOCK ( )

default

POLY_BLOCK() [2/3]

POLY_BLOCK::POLY_BLOCK	(	const TBOX &	tbox,
		PolyBlockType	type
	)

POLY_BLOCK() [3/3]

POLY_BLOCK::POLY_BLOCK	(	ICOORDELT_LIST *	points,
		PolyBlockType	type
	)

~POLY_BLOCK()

POLY_BLOCK::~POLY_BLOCK ( )

default

Member Function Documentation

bounding_box()

TBOX* POLY_BLOCK::bounding_box ( )

inline

ColorForPolyBlockType()

ScrollView::Color POLY_BLOCK::ColorForPolyBlockType ( PolyBlockType  type )

static

Returns a color to draw the given type.

compute_bb()

void POLY_BLOCK::compute_bb

(

)

contains()

bool POLY_BLOCK::contains

(

POLY_BLOCK *

other

)

Returns

true if other is inside this.

fill()

void POLY_BLOCK::fill	(	ScrollView *	window,
		ScrollView::Color	colour
	)

isA()

PolyBlockType POLY_BLOCK::isA ( ) const

inline

IsText()

bool POLY_BLOCK::IsText ( ) const

inline

move()

void POLY_BLOCK::move

(

ICOORD

shift

)

POLY_BLOCK::move

Move the POLY_BLOCK.

Parameters

shift

x,y translation vector

overlap()

bool POLY_BLOCK::overlap

(

POLY_BLOCK *

other

)

Returns

true if the polygons of other and this overlap.

plot()

void POLY_BLOCK::plot	(	ScrollView *	window,
		int32_t	num
	)

points()

ICOORDELT_LIST* POLY_BLOCK::points ( )

inline

reflect_in_y_axis()

void POLY_BLOCK::reflect_in_y_axis

(

)

rotate()

void POLY_BLOCK::rotate

(

FCOORD

rotation

)

winding_number()

int16_t POLY_BLOCK::winding_number

(

const ICOORD &

test_pt

)

Member Data Documentation

box

TBOX POLY_BLOCK::box

private

type

PolyBlockType POLY_BLOCK::type

private

vertices

ICOORDELT_LIST POLY_BLOCK::vertices

private

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

• /home/stephane/src/tesseract/src/ccstruct/polyblk.h
• /home/stephane/src/tesseract/src/ccstruct/polyblk.cpp