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Java Source Code / Java Documentation » GIS » GeoServer » org.vfny.geoserver.config

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

org.vfny.geoserver.config .PALFileLoader

PALFileLoader

public class PALFileLoader (Code)

Loads a JASC Pal files into an IndexColorModel .

I made a real minor extension to the usual form of a JASC pal file which allows us to provide values in the #ffffff or 0Xffffff hex form.

Note that this kind of file does not support explicitly setting transparent pixel. However I have implemented this workaround, if you use less than 256 colors in your paletteInverter I will accordingly set the transparent pixel to the first available position in the paletteInverter, which is palette_size. If you use 256 colors no transparency will be used for the image we generate.

Be aware that IrfanView does not always report correctly the size of the palette it exports. Be ready to manually correct the number of colors reported.

Here is an explanation of what a JASC pal file should look like: JASC PAL file and here is a list of other possible formats we could parse (in the future if we have time or someone pays for it :-) ) alternative PAL file formats
author:
Simone Giannecchini

Field Summary
final protected static Logger	LOGGER
protected IndexColorModel	indexColorModel Final index color model.
protected int	mapsize Size of the color map we'll use.

Constructor Summary
public	PALFileLoader(String filePath) PALFileLoader constructor that accept a file path as a string. Note that the transparentIndex pixel should not exceed the last zero-based index available for the colormap we area going to create.
public	PALFileLoader(File file) PALFileLoader constructor that accept a file.

Method Summary
public IndexColorModel	getIndexColorModel()
public int	getMapsize()

Field Detail

LOGGER
final protected static Logger LOGGER(Code)

indexColorModel
protected IndexColorModel indexColorModel(Code)
	Final index color model.

mapsize
protected int mapsize(Code)
	Size of the color map we'll use.

Constructor Detail

PALFileLoader
public PALFileLoader(String filePath)(Code)
	PALFileLoader constructor that accept a file path as a string. Note that the transparentIndex pixel should not exceed the last zero-based index available for the colormap we area going to create. If this happens we might get very bad behaviour. Note also that if we set this parameter to -1 we'll get an opaque IndexColorModel . Parameters: filePath - to the aplette file. Parameters: transparentIndex - transparent pixel index (zero-based).

PALFileLoader
public PALFileLoader(File file)(Code)
	PALFileLoader constructor that accept a file. See Also: PALFileLoader.PALFileLoader(String,int)

Method Detail

getIndexColorModel
public IndexColorModel getIndexColorModel()(Code)

getMapsize
public int getMapsize()(Code)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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