public WritableRaster copyData(WritableRaster wr) {
// Get my source.
CachableRed src = (CachableRed) getSources().get(0);
Rectangle r = wr.getBounds();
r.x -= xinset;
r.y -= yinset;
r.width += 2 * xinset;
r.height += 2 * yinset;
// System.out.println("Gaussian GenR: " + wr);
// System.out.println("SrcReq: " + r);
ColorModel srcCM = src.getColorModel();
WritableRaster tmpR1 = null, tmpR2 = null;
tmpR1 = srcCM.createCompatibleWritableRaster(r.width, r.height);
{
WritableRaster fill;
fill = tmpR1.createWritableTranslatedChild(r.x, r.y);
src.copyData(fill);
}
if (srcCM.hasAlpha() && !srcCM.isAlphaPremultiplied())
GraphicsUtil.coerceData(tmpR1, srcCM, true);
// For the blur box approx we can use dest as our intermediate
// otherwise we let it default to null which means we create a new
// one...
// this lets the Vertical conv know how much is junk, so it
// doesn't bother to convolve the top and bottom edges
int skipX;
// long t1 = System.currentTimeMillis();
if (xinset == 0) {
skipX = 0;
} else if (convOp[0] != null) {
tmpR2 = getColorModel().createCompatibleWritableRaster(r.width, r.height);
tmpR2 = convOp[0].filter(tmpR1, tmpR2);
skipX = convOp[0].getKernel().getXOrigin();
// Swap them...
WritableRaster tmp = tmpR1;
tmpR1 = tmpR2;
tmpR2 = tmp;
} else {
if ((dX & 0x01) == 0) {
tmpR1 = boxFilterH(tmpR1, tmpR1, 0, 0, dX, dX / 2);
tmpR1 = boxFilterH(tmpR1, tmpR1, dX / 2, 0, dX, dX / 2 - 1);
tmpR1 = boxFilterH(tmpR1, tmpR1, dX - 1, 0, dX + 1, dX / 2);
skipX = dX - 1 + dX / 2;
} else {
tmpR1 = boxFilterH(tmpR1, tmpR1, 0, 0, dX, dX / 2);
tmpR1 = boxFilterH(tmpR1, tmpR1, dX / 2, 0, dX, dX / 2);
tmpR1 = boxFilterH(tmpR1, tmpR1, dX - 2, 0, dX, dX / 2);
skipX = dX - 2 + dX / 2;
}
}
if (yinset == 0) {
tmpR2 = tmpR1;
} else if (convOp[1] != null) {
if (tmpR2 == null) {
tmpR2 = getColorModel().createCompatibleWritableRaster(r.width, r.height);
}
tmpR2 = convOp[1].filter(tmpR1, tmpR2);
} else {
if ((dY & 0x01) == 0) {
tmpR1 = boxFilterV(tmpR1, tmpR1, skipX, 0, dY, dY / 2);
tmpR1 = boxFilterV(tmpR1, tmpR1, skipX, dY / 2, dY, dY / 2 - 1);
tmpR1 = boxFilterV(tmpR1, tmpR1, skipX, dY - 1, dY + 1, dY / 2);
} else {
tmpR1 = boxFilterV(tmpR1, tmpR1, skipX, 0, dY, dY / 2);
tmpR1 = boxFilterV(tmpR1, tmpR1, skipX, dY / 2, dY, dY / 2);
tmpR1 = boxFilterV(tmpR1, tmpR1, skipX, dY - 2, dY, dY / 2);
}
tmpR2 = tmpR1;
}
// long t2 = System.currentTimeMillis();
// System.out.println("Time: " + (t2-t1) +
// (((convOp[0] != null) || (convOp[1] != null))?
// " ConvOp":""));
// System.out.println("Rasters WR :" + wr.getBounds());
// System.out.println(" tmp:" + tmpR2.getBounds());
// System.out.println(" bounds:" + getBounds());
// System.out.println(" skipX:" + skipX +
// " dx:" + dX + " Dy: " + dY);
tmpR2 = tmpR2.createWritableTranslatedChild(r.x, r.y);
GraphicsUtil.copyData(tmpR2, wr);
return wr;
}
