Package org.verapdf.wcag.algorithms.semanticalgorithms.utils

Class NodeUtils

java.lang.Object

org.verapdf.wcag.algorithms.semanticalgorithms.utils.NodeUtils

public class NodeUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final double	BACKGROUND_FIRST_COLOR_EPSILON
static final double	BACKGROUND_SECOND_COLOR_EPSILON
static final double	EPSILON
static final double[]	HEADING_EPSILONS
static final double	HEADING_PROBABILITY_FAR_FROM_NEIGHBOR_BOOST
static final double	MIN_GOOD_HEADING_PROBABILITY
static final double[]	UNDERLINED_TEXT_EPSILONS
static final double	VERTEX_FACTOR
static final double	VERTEX_TABLE_FACTOR

Constructor Summary

Constructors

Constructor	Description
NodeUtils()

Method Summary

Modifier and Type	Method	Description
static boolean	areCloseNumbers(double d1, double d2)
static boolean	areCloseNumbers(double d1, double d2, double epsilon)
static boolean	areOverlapping(TextChunk textChunk, LineChunk lineChunk)
static INode	getNextNonEmptyNode(INode node)
static boolean	hasSameStyle(SemanticTextNode textNode, SemanticTextNode neighborTextNode, double weightEps, double fontEps)
static boolean	hasSimilarBackgroundColor(double[] firstColor, double[] secondColor)
static boolean	hasSimilarBackgroundColor(Color firstColor, Color secondColor)
static double	headingProbability(SemanticTextNode textNode, INode neighborNode, boolean isNextNode)
static double	headingProbability(SemanticTextNode textNode, SemanticTextNode previousNode, SemanticTextNode nextNode, INode initialNode)

Methods inherited from class java.lang.Object

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

Field Details

EPSILON

public static final double EPSILON

See Also:

• Constant Field Values

VERTEX_FACTOR

public static final double VERTEX_FACTOR

See Also:

• Constant Field Values

VERTEX_TABLE_FACTOR

public static final double VERTEX_TABLE_FACTOR

See Also:

• Constant Field Values

UNDERLINED_TEXT_EPSILONS

public static final double[] UNDERLINED_TEXT_EPSILONS

HEADING_PROBABILITY_FAR_FROM_NEIGHBOR_BOOST

public static final double HEADING_PROBABILITY_FAR_FROM_NEIGHBOR_BOOST

See Also:

• Constant Field Values

HEADING_EPSILONS

public static final double[] HEADING_EPSILONS

BACKGROUND_FIRST_COLOR_EPSILON

public static final double BACKGROUND_FIRST_COLOR_EPSILON

See Also:

• Constant Field Values

BACKGROUND_SECOND_COLOR_EPSILON

public static final double BACKGROUND_SECOND_COLOR_EPSILON

See Also:

• Constant Field Values

MIN_GOOD_HEADING_PROBABILITY

public static final double MIN_GOOD_HEADING_PROBABILITY

See Also:

• Constant Field Values

Constructor Details

NodeUtils

public NodeUtils()

Method Details

headingProbability

public static double headingProbability(SemanticTextNode textNode,
 SemanticTextNode previousNode,
 SemanticTextNode nextNode,
 INode initialNode)

getNextNonEmptyNode

public static INode getNextNonEmptyNode(INode node)

headingProbability

public static double headingProbability(SemanticTextNode textNode,
 INode neighborNode,
 boolean isNextNode)

hasSameStyle

public static boolean hasSameStyle(SemanticTextNode textNode,
 SemanticTextNode neighborTextNode,
 double weightEps,
 double fontEps)

areOverlapping

public static boolean areOverlapping(TextChunk textChunk,
 LineChunk lineChunk)

areCloseNumbers

public static boolean areCloseNumbers(double d1,
 double d2,
 double epsilon)

areCloseNumbers

public static boolean areCloseNumbers(double d1,
 double d2)

hasSimilarBackgroundColor

public static boolean hasSimilarBackgroundColor(double[] firstColor,
 double[] secondColor)

hasSimilarBackgroundColor

public static boolean hasSimilarBackgroundColor(Color firstColor,
 Color secondColor)