I want to use a SVG file to produce a PNG file with 1 bit per pixel, i.e.
black and white bilevel monochrome - pixels are either on or off. NO in
between shading or greyscales. Only 2 values: black or white.

I create a transcoder

PNGTranscoder t = new PNGTranscoder();

and then I use the following for 1 bit per-pixel

t.addTranscodingHint( PNGTranscoder.KEY_INDEXED, new Integer(1))

which outputs a blank black image. If I omit this line above then I get a
greyscaled image with 32 bits/pixel 


Please advise 
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