/** Generate a tiled image that contains a view of the mask. */
@SuppressWarnings("restriction")
public TiledImage getMaskImage() {
TiledImage ti =
new TiledImage(
0,
0,
mwidth,
mheight,
0,
0,
new PixelInterleavedSampleModel(
DataBuffer.TYPE_BYTE, mwidth, mheight, 1, mwidth, Transform.bandstride),
new ComponentColorModel(
ColorSpace.getInstance(ColorSpace.CS_GRAY),
false,
false,
ComponentColorModel.OPAQUE,
DataBuffer.TYPE_BYTE));
WritableRaster gradRaster = ti.getWritableTile(0, 0);
DataBufferByte gradDB = (DataBufferByte) gradRaster.getDataBuffer();
byte[] gradImageData = gradDB.getData();
int maskwh = mwidth * mheight;
for (int i = 0; i < maskwh; i++) gradImageData[i] = (byte) mask[i];
return ti;
}
public int getValue(int pos) {
int b = (int) (pos / (width * height));
pos -= b * width * height;
int y = (int) (pos / width);
int x = pos % width;
return outImage.getSample(x, y, b);
}
protected void setValue(int pos, int val) {
int b = (int) (pos / (width * height));
pos -= b * width * height;
int y = (int) (pos / width);
int x = pos % width;
outImage.setSample(x, y, b, val);
}
protected void setValue(int pos, int sign, int tt) {
int s = (sign == QuadOutputStream.PLUS) ? 1 : -1;
int b = (int) (pos / (width * height));
pos -= b * width * height;
int y = (int) (pos / width);
int x = pos % width;
outImage.setSample(x, y, b, s * tt);
}