com.itextpdf.text.pdf.parser
Class LocationTextExtractionStrategy.TextChunk

java.lang.Object
  com.itextpdf.text.pdf.parser.LocationTextExtractionStrategy.TextChunk

All Implemented Interfaces:

Comparable<LocationTextExtractionStrategy.TextChunk>

Enclosing class:

LocationTextExtractionStrategy

private static class LocationTextExtractionStrategy.TextChunk
extends Object
implements Comparable<LocationTextExtractionStrategy.TextChunk>

Represents a chunk of text, it's orientation, and location relative to the orientation vector

Field Summary

(package private) float	charSpaceWidth the width of a single space character in the font of the chunk
(package private) float	distParallelEnd distance of the end of the chunk parallel to the orientation unit vector (i.e.
(package private) float	distParallelStart distance of the start of the chunk parallel to the orientation unit vector (i.e.
(package private) int	distPerpendicular perpendicular distance to the orientation unit vector (i.e.
(package private) Vector	endLocation the ending location of the chunk
(package private) int	orientationMagnitude the orientation as a scalar for quick sorting
(package private) Vector	orientationVector unit vector in the orientation of the chunk
(package private) Vector	startLocation the starting location of the chunk
(package private) String	text the text of the chunk

Constructor Summary

LocationTextExtractionStrategy.TextChunk(String string, Vector startLocation, Vector endLocation, float charSpaceWidth)

Method Summary

private static int	compareInts(int int1, int int2)
int	compareTo(LocationTextExtractionStrategy.TextChunk rhs) Compares based on orientation, perpendicular distance, then parallel distance
float	distanceFromEndOf(LocationTextExtractionStrategy.TextChunk other) Computes the distance between the end of 'other' and the beginning of this chunk in the direction of this chunk's orientation vector.
private void	printDiagnostics()
boolean	sameLine(LocationTextExtractionStrategy.TextChunk as)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

text

final String text

the text of the chunk

startLocation

final Vector startLocation

the starting location of the chunk

endLocation

final Vector endLocation

the ending location of the chunk

orientationVector

final Vector orientationVector

unit vector in the orientation of the chunk

orientationMagnitude

final int orientationMagnitude

the orientation as a scalar for quick sorting

distPerpendicular

final int distPerpendicular

perpendicular distance to the orientation unit vector (i.e. the Y position in an unrotated coordinate system) we round to the nearest integer to handle the fuzziness of comparing floats

distParallelStart

final float distParallelStart

distance of the start of the chunk parallel to the orientation unit vector (i.e. the X position in an unrotated coordinate system)

distParallelEnd

final float distParallelEnd

distance of the end of the chunk parallel to the orientation unit vector (i.e. the X position in an unrotated coordinate system)

charSpaceWidth

final float charSpaceWidth

the width of a single space character in the font of the chunk

Constructor Detail

LocationTextExtractionStrategy.TextChunk

public LocationTextExtractionStrategy.TextChunk(String string,
                                                Vector startLocation,
                                                Vector endLocation,
                                                float charSpaceWidth)

Method Detail

printDiagnostics

private void printDiagnostics()

sameLine

public boolean sameLine(LocationTextExtractionStrategy.TextChunk as)

Parameters:

as - the location to compare to

Returns:

true is this location is on the the same line as the other

distanceFromEndOf

public float distanceFromEndOf(LocationTextExtractionStrategy.TextChunk other)

Computes the distance between the end of 'other' and the beginning of this chunk in the direction of this chunk's orientation vector. Note that it's a bad idea to call this for chunks that aren't on the same line and orientation, but we don't explicitly check for that condition for performance reasons.

Parameters:

other -

Returns:

the number of spaces between the end of 'other' and the beginning of this chunk

compareTo

public int compareTo(LocationTextExtractionStrategy.TextChunk rhs)

Compares based on orientation, perpendicular distance, then parallel distance

Specified by:

compareTo in interface Comparable<LocationTextExtractionStrategy.TextChunk>

See Also:

Comparable.compareTo(java.lang.Object)

compareInts

private static int compareInts(int int1,
                               int int2)

Parameters:

int1 -

int2 -

Returns:

comparison of the two integers