/**
* Copies data from input image to argument buffer.
*
* @param channelIndex index of the channel of the input image from which data is to be copied
* @param rowIndex index of the row of the input image from which data is to be copied
* @param dest the array to which data is to be copied
* @param destOffset index of the first element in the dest array to which data will be copied
*/
private void fillBuffer(int channelIndex, int rowIndex, int[] dest, int destOffset) {
IntegerImage in = (IntegerImage) getInputImage();
final int LAST = destOffset + imageWidth;
int x = 0;
while (destOffset != LAST) {
dest[destOffset++] = in.getSample(channelIndex, x++, rowIndex);
}
}
public void process() throws MissingParameterException, WrongParameterException {
ensureInputImageIsAvailable();
PixelImage image = getInputImage();
if (image instanceof IntegerImage) {
IntegerImage ii = (IntegerImage) image;
int max = ii.getMaxSample(0);
int index = 1;
while (index < ii.getNumChannels()) {
int maxSample = ii.getMaxSample(index++);
if (maxSample > max) {
max = maxSample;
}
}
hist = new int[max + 1];
zeroes = new int[hist.length];
for (int i = 0; i < zeroes.length; i++) {
zeroes[i] = 0;
}
}
super.process();
}