com.sun.scenario.effect

Class FloatMap

java.lang.Object

com.sun.scenario.effect.FloatMap

public class FloatMap
extends java.lang.Object

A buffer that contains floating point data, intended for use as a parameter to effects such as DisplacementMap.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	FloatMap.Entry

Field Summary

Fields

Modifier and Type	Field and Description
private java.nio.FloatBuffer	buf
private java.util.Map<FilterContext,FloatMap.Entry>	cache
private boolean	cacheValid
private int	height
private int	width

Constructor Summary

Constructors

Constructor and Description
FloatMap(int width, int height) Constructs a new FloatMap of the given width and height.

Method Summary

Modifier and Type	Method and Description
LockableResource	getAccelData(FilterContext fctx)
java.nio.FloatBuffer	getBuffer()
float[]	getData()
int	getHeight() Returns the height of the map, in pixels.
float	getSample(int x, int y, int band) Gets the sample for a specific band from the given (x,y) location.
int	getWidth() Returns the width of the map, in pixels.
void	put(float[] floatBuf)
void	setSample(int x, int y, int band, float sample) Sets the sample for a specific band at the given (x,y) location.
void	setSamples(int x, int y, float s0) Sets the sample for the first band at the given (x,y) location.
void	setSamples(int x, int y, float s0, float s1) Sets the sample for the first two bands at the given (x,y) location.
void	setSamples(int x, int y, float s0, float s1, float s2) Sets the sample for the first three bands at the given (x,y) location.
void	setSamples(int x, int y, float s0, float s1, float s2, float s3) Sets the sample for each of the four bands at the given (x,y) location.

Methods inherited from class java.lang.Object

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

Field Detail

width

private final int width

height

private final int height

buf

private final java.nio.FloatBuffer buf

cacheValid

private boolean cacheValid

cache

private java.util.Map<FilterContext,FloatMap.Entry> cache

Constructor Detail

FloatMap

public FloatMap(int width,
                int height)

Constructs a new FloatMap of the given width and height.

Parameters:

width - the width of the map, in pixels

height - the height of the map, in pixels

Throws:

java.lang.IllegalArgumentException - if either width or height is outside the range [1, 4096]

Method Detail

getWidth

public int getWidth()

Returns the width of the map, in pixels.

Returns:

the width of the map, in pixels

getHeight

public int getHeight()

Returns the height of the map, in pixels.

Returns:

the height of the map, in pixels

getData

public float[] getData()

getBuffer

public java.nio.FloatBuffer getBuffer()

getSample

public float getSample(int x,
                       int y,
                       int band)

Gets the sample for a specific band from the given (x,y) location.

Parameters:

x - the x location

y - the y location

band - the band to get (must be 1, 2, 3, or 4)

Returns:

the sample of the specified band at the specified location

setSample

public void setSample(int x,
                      int y,
                      int band,
                      float sample)

Sets the sample for a specific band at the given (x,y) location.

Parameters:

x - the x location

y - the y location

band - the band to set (must be 1, 2, 3, or 4)

sample - the sample value to set

setSamples

public void setSamples(int x,
                       int y,
                       float s0)

Sets the sample for the first band at the given (x,y) location.

Parameters:

x - the x location

y - the y location

s0 - the sample value to set for the first band

setSamples

public void setSamples(int x,
                       int y,
                       float s0,
                       float s1)

Sets the sample for the first two bands at the given (x,y) location.

Parameters:

x - the x location

y - the y location

s0 - the sample value to set for the first band

s1 - the sample value to set for the second band

setSamples

public void setSamples(int x,
                       int y,
                       float s0,
                       float s1,
                       float s2)

Sets the sample for the first three bands at the given (x,y) location.

Parameters:

x - the x location

y - the y location

s0 - the sample value to set for the first band

s1 - the sample value to set for the second band

s2 - the sample value to set for the third band

setSamples

public void setSamples(int x,
                       int y,
                       float s0,
                       float s1,
                       float s2,
                       float s3)

Sets the sample for each of the four bands at the given (x,y) location.

Parameters:

x - the x location

y - the y location

s0 - the sample value to set for the first band

s1 - the sample value to set for the second band

s2 - the sample value to set for the third band

s3 - the sample value to set for the fourth band

put

public void put(float[] floatBuf)

getAccelData

public LockableResource getAccelData(FilterContext fctx)