/**
* Creates a SampleOpImage with the given ParameterBlock if the SampleOpImage can handle the
* particular ParameterBlock.
*/
@Override
public RenderedImage create(ParameterBlock paramBlock, RenderingHints renderHints) {
PlanarImage source1 = (PlanarImage) paramBlock.getRenderedSource(0);
if (source1 == null) {
return null;
}
ROIShape shape = (ROIShape) paramBlock.getObjectParameter(0);
if (shape == null) {
return source1;
}
TiledImage image;
if (ImageUtil.isBinary(source1.getSampleModel())) {
image =
new TiledImage(
source1.getMinX(),
source1.getMinY(),
source1.getWidth(),
source1.getHeight(),
source1.getTileGridXOffset(),
source1.getTileGridYOffset(),
LayoutUtil.createBinarySampelModel(),
LayoutUtil.createBinaryIndexColorModel());
} else {
// rgb cannot be null or have less than one value
Byte[] rgb = (Byte[]) paramBlock.getObjectParameter(1);
int nbands = source1.getSampleModel().getNumBands();
if (rgb.length != nbands) {
Byte fillVal = rgb[0];
rgb = new Byte[nbands];
Arrays.fill(rgb, fillVal);
}
image = ImageFiler.getEmptyTiledImage(rgb, source1.getWidth(), source1.getHeight());
}
image.set(source1, shape);
return image;
}
