org.fit.segm.grouping

Class SegmentationAreaTree

java.lang.Object

org.fit.layout.impl.DefaultAreaTree

org.fit.segm.grouping.SegmentationAreaTree

All Implemented Interfaces:

org.fit.layout.model.AreaTree, org.fit.layout.model.SearchableAreaContainer

public class SegmentationAreaTree
extends org.fit.layout.impl.DefaultAreaTree

A tree of visual areas created from a box tree.

Author:

burgetr

Field Summary

Fields inherited from class org.fit.layout.impl.DefaultAreaTree

page

Constructor Summary

Constructors

Constructor and Description
SegmentationAreaTree(org.fit.layout.model.Page srcpage, boolean preserveAuxAreas) Create a new tree of areas by the analysis of a box tree

Method Summary

Modifier and Type	Method and Description
org.fit.layout.model.Area	createArea(org.fit.layout.model.Box box)
org.fit.layout.model.Area	createArea(List<org.fit.layout.model.Box> boxes)
org.fit.layout.model.Area	createArea(org.fit.layout.model.Rectangular r)
protected void	createGrids(AreaImpl root) Goes through all the areas in the tree and creates the grids in these areas
org.fit.layout.model.Area	findBasicAreas() Creates the area tree skeleton - selects the visible boxes and converts them to areas
Set<org.fit.layout.model.Tag>	getUsedTags() Obtains all the tags that are really used in the tree.
boolean	isVisuallySeparated(org.fit.layout.model.Box box)
void	updateTopologies()

Methods inherited from class org.fit.layout.impl.DefaultAreaTree

getAreaAt, getAreaByName, getPage, getRoot, setRoot

Methods inherited from class java.lang.Object

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

Constructor Detail

SegmentationAreaTree

public SegmentationAreaTree(org.fit.layout.model.Page srcpage,
                            boolean preserveAuxAreas)

Create a new tree of areas by the analysis of a box tree

Parameters:

srcpage - the source box tree

preserveAuxAreas - preserve the auxiliary areas that are not visually separated but they are used as containers containing other ares.

Method Detail

findBasicAreas

public org.fit.layout.model.Area findBasicAreas()

Creates the area tree skeleton - selects the visible boxes and converts them to areas

createArea

public org.fit.layout.model.Area createArea(org.fit.layout.model.Rectangular r)

Specified by:

createArea in interface org.fit.layout.model.AreaTree

Overrides:

createArea in class org.fit.layout.impl.DefaultAreaTree

createArea

public org.fit.layout.model.Area createArea(org.fit.layout.model.Box box)

Specified by:

createArea in interface org.fit.layout.model.AreaTree

Overrides:

createArea in class org.fit.layout.impl.DefaultAreaTree

createArea

public org.fit.layout.model.Area createArea(List<org.fit.layout.model.Box> boxes)

Specified by:

createArea in interface org.fit.layout.model.AreaTree

Overrides:

createArea in class org.fit.layout.impl.DefaultAreaTree

updateTopologies

public void updateTopologies()

Specified by:

updateTopologies in interface org.fit.layout.model.AreaTree

Overrides:

updateTopologies in class org.fit.layout.impl.DefaultAreaTree

createGrids

protected void createGrids(AreaImpl root)

Goes through all the areas in the tree and creates the grids in these areas

Parameters:

root - the root node of the tree of areas

isVisuallySeparated

public boolean isVisuallySeparated(org.fit.layout.model.Box box)

getUsedTags

public Set<org.fit.layout.model.Tag> getUsedTags()

Obtains all the tags that are really used in the tree.

Returns:

A set of used tags.