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public void doSetAlpha( @ParamDescrip("alpha value (0-255)") int value )
{
PixelColour alpha = new PixelColour( red, green, blue, value );
Pixel nextPixel;
for( int y = 100; y < myPic.getImgHeight(); y++ )
{
for( int x = 100; x < myPic.getImgWidth(); x++ )
{
nextPixel = myPic.getPixel( x, y );
nextPixel.setColour( alpha );
}
}
}
basically im setting the transparency in a picture and in the loop i cant figure out how to set it to scan the red green and blue levels so it will look proper 
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