ch.randelshofer.gui.image
Class HAMColorModel

java.lang.Object
  java.awt.image.ColorModel
      java.awt.image.PackedColorModel
          java.awt.image.DirectColorModel
              ch.randelshofer.gui.image.HAMColorModel

All Implemented Interfaces:

java.awt.Transparency

public class HAMColorModel
extends java.awt.image.DirectColorModel

ColorModel for HAM compressed images.

Version:

1.1 2006-12-25 New constructor added.
1.0 1999-10-19

Author:

Werner Randelshofer, Hausmatt 10, CH-6405 Immensee, Switzerland

Field Summary

static int	HAM6
static int	HAM8
protected int	HAMType
protected int	map_size
protected boolean	opaque
protected int[]	rgb

Fields inherited from class java.awt.image.ColorModel

pixel_bits, transferType

Fields inherited from interface java.awt.Transparency

BITMASK, OPAQUE, TRANSLUCENT

Constructor Summary

HAMColorModel(int aHAMType, int size, byte[] r, byte[] g, byte[] b, boolean isOCS)
Creates a new HAM Color model using the specified base colors.

HAMColorModel(int aHAMType, int size, int[] rgb, boolean isOCS)
Creates a new HAM Color model using the specified base colors.

Method Summary

void	getBlues(byte[] b) Copies the array of blue color components into the given array.
int	getDepth() Returns the number of planes required to represent this HAMColorModel in a Bitmap.
void	getGreens(byte[] g) Copies the array of green color components into the given array.
int	getHAMType() Returns the HAM Type of this HAMColorModel: HAM8 or HAM6.
int	getMapSize() Returns the size of the color component arrays in this IndexColorModel.
void	getReds(byte[] r) Copies the array of red color components into the given array.
void	getRGBs(int[] rgbs) Copies the array of color components into the given array.
protected void	setRGBs(int size, byte[] r, byte[] g, byte[] b, byte[] a) Sets the HAM base colors.

Methods inherited from class java.awt.image.DirectColorModel

coerceData, createCompatibleWritableRaster, getAlpha, getAlpha, getAlphaMask, getBlue, getBlue, getBlueMask, getComponents, getComponents, getDataElement, getDataElements, getDataElements, getGreen, getGreen, getGreenMask, getRed, getRed, getRedMask, getRGB, getRGB, isCompatibleRaster, toString

Methods inherited from class java.awt.image.PackedColorModel

createCompatibleSampleModel, equals, getAlphaRaster, getMask, getMasks, isCompatibleSampleModel

Methods inherited from class java.awt.image.ColorModel

finalize, getColorSpace, getComponentSize, getComponentSize, getDataElement, getDataElements, getNormalizedComponents, getNormalizedComponents, getNumColorComponents, getNumComponents, getPixelSize, getRGBdefault, getTransferType, getTransparency, getUnnormalizedComponents, hasAlpha, hashCode, isAlphaPremultiplied

Methods inherited from class java.lang.Object

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

Field Detail

HAM6

public static final int HAM6

See Also:

Constant Field Values

HAM8

public static final int HAM8

See Also:

Constant Field Values

HAMType

protected int HAMType

map_size

protected int map_size

opaque

protected boolean opaque

rgb

protected int[] rgb

Constructor Detail

HAMColorModel

public HAMColorModel(int aHAMType,
                     int size,
                     byte[] r,
                     byte[] g,
                     byte[] b,
                     boolean isOCS)

Creates a new HAM Color model using the specified base colors.

Parameters:

aHAMType - Type, must be HAM6 or HAM 8.

size - The size of the color palette.

r - The red colors as 8 bit or as 4 bit values.

g - The green colors as 8 bit or as 4 bit values.

b - The blue colors as 8 bit or as 4 bit values.

isOCS - Set this to true if the colors are 4 bit values.

HAMColorModel

public HAMColorModel(int aHAMType,
                     int size,
                     int[] rgb,
                     boolean isOCS)

Creates a new HAM Color model using the specified base colors.

Parameters:

aHAMType - Type, must be HAM6 or HAM 8.

size - The size of the color palette.

rgb - The rgb colors.

isOCS - Set this to true if the colors are 12 bit precision only.

Method Detail

getHAMType

public int getHAMType()

Returns the HAM Type of this HAMColorModel: HAM8 or HAM6.

getDepth

public int getDepth()

Returns the number of planes required to represent this HAMColorModel in a Bitmap.

setRGBs

protected void setRGBs(int size,
                       byte[] r,
                       byte[] g,
                       byte[] b,
                       byte[] a)

Sets the HAM base colors.

Parameters:

size - The size of the color palette.

r - The red colors as 8 bit values.

g - The green colors as 8 bit values.

b - The blue colors as 8 bit values.

a - The alpha channels as 8 bit values.

getReds

public final void getReds(byte[] r)

Copies the array of red color components into the given array. Only the initial entries of the array as specified by getMapSize() are written.

getGreens

public final void getGreens(byte[] g)

Copies the array of green color components into the given array. Only the initial entries of the array as specified by getMapSize() are written.

getBlues

public final void getBlues(byte[] b)

Copies the array of blue color components into the given array. Only the initial entries of the array as specified by getMapSize() will be written.

getRGBs

public final void getRGBs(int[] rgbs)

Copies the array of color components into the given array. Only the initial entries of the array as specified by getMapSize() will be written.

getMapSize

public final int getMapSize()

Returns the size of the color component arrays in this IndexColorModel.