ubic.basecode.graphics

Class ColorMap

java.lang.Object

ubic.basecode.graphics.ColorMap

public class ColorMap
extends Object

Author:

Will Braynen

Field Summary

Fields

Modifier and Type	Field and Description
static Color[]	BLACKBODY_COLORMAP
static Color	DARK_RED
static Color[]	GREENRED_COLORMAP
protected Color[]	m_colorPalette
protected Color[]	m_currentColorMap
protected Color[]	m_customColorMap
static int	m_defaultSuggestedNumberOfColors
protected Color	m_maxColor last color in the current color map
protected Color	m_minColor first color in the current color map
static Color[]	REDGREEN_COLORMAP

Constructor Summary

Constructors

Constructor and Description
ColorMap()
ColorMap(Color[] colorMap)
ColorMap(int suggestedNumberOfColors)
ColorMap(int suggestedNumberOfColors, Color[] colorMap) Pre-condition: suggestedNumberOfColors > colorMap.length

Method Summary

Modifier and Type	Method and Description
protected Color[]	createColorPalette(int suggestedNumberOfColors, Color[] colorMap) Allocates colors across a range.
Color	getColor(int i)
Color[]	getPalette()
int	getPaletteSize()
protected int	getStepSize(int minColor, int maxColor, int totalColors) Calculate how fast we have to change color components.

Methods inherited from class java.lang.Object

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

Field Detail

DARK_RED

public static final Color DARK_RED

BLACKBODY_COLORMAP

public static final Color[] BLACKBODY_COLORMAP

GREENRED_COLORMAP

public static final Color[] GREENRED_COLORMAP

m_defaultSuggestedNumberOfColors

public static final int m_defaultSuggestedNumberOfColors

See Also:

Constant Field Values

REDGREEN_COLORMAP

public static final Color[] REDGREEN_COLORMAP

m_colorPalette

protected Color[] m_colorPalette

m_currentColorMap

protected Color[] m_currentColorMap

m_customColorMap

protected Color[] m_customColorMap

m_maxColor

protected Color m_maxColor

last color in the current color map

m_minColor

protected Color m_minColor

first color in the current color map

Constructor Detail

ColorMap

public ColorMap()

ColorMap

public ColorMap(Color[] colorMap)

ColorMap

public ColorMap(int suggestedNumberOfColors)

ColorMap

public ColorMap(int suggestedNumberOfColors,
                Color[] colorMap)

Pre-condition: suggestedNumberOfColors > colorMap.length

Parameters:

suggestedNumberOfColors - int

colorMap - Color[]

Method Detail

getColor

public Color getColor(int i)

getPalette

public Color[] getPalette()

getPaletteSize

public int getPaletteSize()

Returns:

the number of colors in the palette

createColorPalette

protected Color[] createColorPalette(int suggestedNumberOfColors,
                                     Color[] colorMap)

Allocates colors across a range.

Parameters:

suggestedNumberOfColors - palette resolution; if colorPalette.length does not evenly divide into this number, the actual number of colors in the palette will be rounded down.

colorMap - the simplest color map is { minColor, maxColor }; you might, however, want to go through intermediate colors instead of following a straight-line route through the color space.

Returns:

Color[] the color palette

getStepSize

protected int getStepSize(int minColor,
                          int maxColor,
                          int totalColors)

Calculate how fast we have to change color components. Assume min and max colors are different!

Parameters:

minColor - red, green, or blue component of the RGB color

maxColor - red, green, or blue component of the RGB color

totalColors - int

Returns:

positive or negative step size