: Class clear_to_transp

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sub_arctic.output
Class clear_to_transp_filter

java.lang.Object
  |
  +--java.awt.image.ImageFilter
        |
        +--java.awt.image.RGBImageFilter
              |
              +--sub_arctic.output.clear_to_transp_filter

public class clear_to_transp_filter
extends java.awt.image.RGBImageFilter

An image filter class to force all the pixels of an image to 100% transparent. This is used as a way to build an initially completely transparent image to draw on.

Fields inherited from class java.awt.image.RGBImageFilter

canFilterIndexColorModel,  
newmodel,  
origmodel

Fields inherited from class java.awt.image.ImageFilter

consumer

Constructor Summary
`clear_to_transp_filter()` Default constructor

Method Summary
`int`	`filterRGB(int x, int y, int rgb)` Filter routine that turns any pixel into transparent

Methods inherited from class java.awt.image.RGBImageFilter

filterIndexColorModel, 
filterRGBPixels, 
setColorModel, 
setPixels, 
setPixels, 
substituteColorModel

Methods inherited from class java.awt.image.ImageFilter

clone, 
getFilterInstance, 
imageComplete, 
resendTopDownLeftRight, 
setDimensions, 
setHints, 
setProperties

Methods inherited from class java.lang.Object

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

Constructor Detail

clear_to_transp_filter

public clear_to_transp_filter()

Default constructor

Method Detail

filterRGB

public int filterRGB(int x,
                     int y,
                     int rgb)

Filter routine that turns any pixel into transparent

Parameters:: int - x the x position of the pixel; int - y the y position of the pixel; int - rgb the RGB+ALPHA encoding of the pixel's current color.
Returns:: int the resulting color's encoded value, in this case 0
Overrides:: filterRGB in class java.awt.image.RGBImageFilter