com.sun.javafx.geom

Class DirtyRegionContainer

java.lang.Object

com.sun.javafx.geom.DirtyRegionContainer

public final class DirtyRegionContainer
extends Object

Container for array of dirty regions. This container internally holds pointer to the first empty dirty region in the array and index of last modified dirty region. It also introduces convenient methods to modify the array of dirty regions.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DTR_CONTAINS_CLIP
static int	DTR_OK

Constructor Summary

Constructors

Constructor and Description
DirtyRegionContainer(int count)

Method Summary

Modifier and Type	Method and Description
void	addDirtyRegion(RectBounds region) Adds new dirty region to the array.
boolean	checkAndClearRegion(int index)
DirtyRegionContainer	copy()
DirtyRegionContainer	deriveWithNewContainer(DirtyRegionContainer other)
DirtyRegionContainer	deriveWithNewRegion(RectBounds region)
DirtyRegionContainer	deriveWithNewRegions(RectBounds[] regions)
boolean	equals(Object obj)
RectBounds	getDirtyRegion(int index) Gets the dirty region at given index.
void	grow(int horizontal, int vertical)
int	hashCode()
int	maxSpace()
void	merge(DirtyRegionContainer other)
void	reset()
void	roundOut()
void	setDirtyRegion(int index, RectBounds region)
int	size()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

DTR_OK

public static final int DTR_OK

See Also:

Constant Field Values

DTR_CONTAINS_CLIP

public static final int DTR_CONTAINS_CLIP

See Also:

Constant Field Values

Constructor Detail

DirtyRegionContainer

public DirtyRegionContainer(int count)

Method Detail

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

deriveWithNewRegion

public DirtyRegionContainer deriveWithNewRegion(RectBounds region)

deriveWithNewRegions

public DirtyRegionContainer deriveWithNewRegions(RectBounds[] regions)

deriveWithNewContainer

public DirtyRegionContainer deriveWithNewContainer(DirtyRegionContainer other)

copy

public DirtyRegionContainer copy()

maxSpace

public int maxSpace()

getDirtyRegion

public RectBounds getDirtyRegion(int index)

Gets the dirty region at given index.

Parameters:

index - the index of requested dirty region

Returns:

dirty region at given index

setDirtyRegion

public void setDirtyRegion(int index,
                           RectBounds region)

addDirtyRegion

public void addDirtyRegion(RectBounds region)

Adds new dirty region to the array.

Parameters:

region - the dirty region.

merge

public void merge(DirtyRegionContainer other)

size

public int size()

reset

public void reset()

checkAndClearRegion

public boolean checkAndClearRegion(int index)

grow

public void grow(int horizontal,
                 int vertical)

roundOut

public void roundOut()

toString

public String toString()

Overrides:

toString in class Object