org.fit.layout.classify

Class BackgroundColorAnalyzer

java.lang.Object

org.fit.layout.classify.BackgroundColorAnalyzer

public class BackgroundColorAnalyzer
extends Object

Background color analyzer. It gathers the statistics about the background color usage in areas.

Author:

burgetr

Constructor Summary

Constructors

Constructor and Description
BackgroundColorAnalyzer(org.fit.layout.model.Area root) Constructs a color analyzer.

Method Summary

Modifier and Type	Method and Description
double	getColorPercentage(org.fit.layout.model.Area area) Obtains the average percentage of the total area that has the same background color as the given area.
double	getColorPercentage(Color color) Obtains the percentage of the area that has the given color.
static Color	getEffectiveBackgroundColor(org.fit.layout.model.Area area) Computes the effective (visible) background color of an area considering transparency and parent areas.

Methods inherited from class java.lang.Object

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

Constructor Detail

BackgroundColorAnalyzer

public BackgroundColorAnalyzer(org.fit.layout.model.Area root)

Constructs a color analyzer.

Parameters:

root -

Method Detail

getColorPercentage

public double getColorPercentage(Color color)

Obtains the percentage of the area that has the given color.

Parameters:

color - the color to be tested.

Returns:

the percentage (0..1)

getColorPercentage

public double getColorPercentage(org.fit.layout.model.Area area)

Obtains the average percentage of the total area that has the same background color as the given area.

Parameters:

area - the area whose background should be compared.

Returns:

the percentage (0..1) for background-separated areas or a negative value for non-separated nodes.

getEffectiveBackgroundColor

public static Color getEffectiveBackgroundColor(org.fit.layout.model.Area area)

Computes the effective (visible) background color of an area considering transparency and parent areas.

Parameters:

area - The area

Returns:

the visible background color