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image = new Image(x,y);
image.setFilter(Image.FILTER_NEAREST);

=> throws a RuntimeException
setFilter tries to load an image based on ref, but for empty images
ref is just the toString() of the Image object so the ResourceLoader fails

myImg = new Image("img.png");
myImg.getGraphics().drawOval(0, 0, 25, 25);
myImg.getGraphics().flush();
myImg.setFilter(Image.FILTER_NEAREST);

=> the image will revert back to the img.png file. any getGraphics modifications will be lost

img = new Image("blah.png", false, Image.FILTER_NEAREST);

img.getSubImage(0, 0, 25, 25).getFilter()
=> returns FILTER_LINEAR

img.setTexture(myTex)
=> myTex might still be LINEAR even though img.getFilter() returns NEAREST

setFilter(Image.FILTER_NEAREST);
getFilter() == Image.FILTER_NEAREST
=> returns false

//currently users need to do this...
int realFilter = getFilter()==SGL.GL_LINEAR ? Image.FILTER_LINEAR : Image.FILTER_NEAREST;

Image tmp=new ImageBuffer(8, 56).getImage(Image.FILTER_NEAREST);
Graphics canvas=tmp.getGraphics();
canvas.drawImage(this.mlifecontainer, 0.0f, 0.0f);
...
return tmp; // => tmp will have the pixelated look as we want! :)