Denis,
Upon examining the image that JAI creates I noticed that the color model is not
bilevel for this bilevel image. I added the following code to your class
between the line that creates the planar image and the line that fetches the
planar image as a buffered image.
if (planar.getColorModel() instanceof IndexColorModel) {
IndexColorModel icm = (IndexColorModel) planar.getColorModel();
int numBands = icm.hasAlpha() ? 4 : 3;
byte[][] data = new byte[numBands][icm.getMapSize()];
icm.getReds(data[0]);
icm.getGreens(data[1]);
icm.getBlues(data[2]);
if (numBands == 4) {
icm.getAlphas(data[3]);
}
planar = JAI.create("lookup", planar, new LookupTableJAI(data));
}
This makes the blocky lines come out smooth and thin.
I've learned that sometimes JAI's tiff codec creates an image with ColorModel
of type IndexColorModel and sometimes it creates an image with a
ComponentColorModel. It seems that that latter type succeeds on your text code
and the former type fails. The above code snippet moves your image from using
an IndexColorModel to using a ComponentColorModel.
Cheers!
-Kelly
[Message sent by forum member 'kellystevens' (kellystevens)]
http://forums.java.net/jive/thread.jspa?messageID=144467
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