de.enough.polish.preprocess.css
Class ColorConverter

java.lang.Object
  de.enough.polish.preprocess.css.ColorConverter

public class ColorConverter
extends Object

Translates colors.

Copyright Enough Software 2004 - 2011

 history
        01-Mar-2004 - rob creation
 

Author:

Robert Virkus, robert@enough.de, Eugene Markov, fixed inheritance of colors

Field Summary

static Map	COLORS Defines the standard VGA colors.
static Map	DYNAMIC_COLORS Defines dynamic colors like COLOR_BACKGROUND, COLOR_FOREGROUND, etc which can be used on MIDP/2.0 systems.
static String	ENVIRONMENT_KEY the key for retrieving the color converter from the environment

Constructor Summary

ColorConverter()
Creates a new colors parser.

Method Summary

void	clear() Removes all found color definition from the internal cache.
String	generateColorConstructor(String value) Generates a new de.enough.polish.ui.Color constructor for the given color value.
boolean	isAlphaColor(String color) Determines whether the given color has a defined alpha channel.
boolean	isDynamic(String value) Determines whether the given color is a dynamic one.
void	oldSetTemporaryColors(Map newColors) Sets the temporary colors.
String	parseColor(String definition) Parses the given color definition and returns the appropriate hex-definition.
void	setTemporaryColors(Map newColors) Sets the temporary colors.

Methods inherited from class java.lang.Object

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

Field Detail

ENVIRONMENT_KEY

public static final String ENVIRONMENT_KEY

the key for retrieving the color converter from the environment

See Also:

Constant Field Values

COLORS

public static final Map COLORS

Defines the standard VGA colors. Available colors are red, green, blue, lime, black, white, silver, gray, maroon, purple, fuchsia, olive, yellow, navy, teal and aqua.

DYNAMIC_COLORS

public static final Map DYNAMIC_COLORS

Defines dynamic colors like COLOR_BACKGROUND, COLOR_FOREGROUND, etc which can be used on MIDP/2.0 systems.

Constructor Detail

ColorConverter

public ColorConverter()

Creates a new colors parser.

Method Detail

clear

public void clear()

Removes all found color definition from the internal cache.

parseColor

public String parseColor(String definition)

Parses the given color definition and returns the appropriate hex-definition.

Parameters:

definition - the value of the color, e.g. "black", "#00ff00", "rgb( 340, 0, 0)"

Returns:

the hexadecimal color-value, e.g. "0x000000" or "Item.TRANSPARENT" when the definition equals "transparent".

oldSetTemporaryColors

public void oldSetTemporaryColors(Map newColors)

Sets the temporary colors.

Parameters:

newColors - all colors in a map.

Throws:

BuildException - when one of the given colors is invalid

setTemporaryColors

public void setTemporaryColors(Map newColors)

Sets the temporary colors.

Parameters:

newColors - all colors in a map.

Throws:

BuildException - when one of the given colors is invalid

isAlphaColor

public boolean isAlphaColor(String color)

Determines whether the given color has a defined alpha channel.

Parameters:

color - the color as a hexadecimal value

Returns:

true when the color has an alpha channel defined.

isDynamic

public boolean isDynamic(String value)

Determines whether the given color is a dynamic one.

Parameters:

value - the value, e.g. red or COLOR_BACKGROUND

Returns:

true when the given value represents a dynamic color like COLOR_BACKGROUND, COLOR_FOREGROUND, etc

generateColorConstructor

public String generateColorConstructor(String value)

Generates a new de.enough.polish.ui.Color constructor for the given color value.

Parameters:

value - the color value like red or COLOR_FOREGROUND

Returns:

source code that generates a new Color object