/**
* Splits the specified RGB stack into three 8-bit grayscale stacks. Deletes the source stack if
* keepSource is false.
*/
public static ImageStack[] splitRGB(ImageStack rgb, boolean keepSource) {
int w = rgb.getWidth();
int h = rgb.getHeight();
ImageStack[] channels = new ImageStack[3];
for (int i = 0; i < 3; i++) channels[i] = new ImageStack(w, h);
byte[] r, g, b;
ColorProcessor cp;
int slice = 1;
int inc = keepSource ? 1 : 0;
int n = rgb.getSize();
for (int i = 1; i <= n; i++) {
IJ.showStatus(i + "/" + n);
r = new byte[w * h];
g = new byte[w * h];
b = new byte[w * h];
cp = (ColorProcessor) rgb.getProcessor(slice);
slice += inc;
cp.getRGB(r, g, b);
if (!keepSource) rgb.deleteSlice(1);
channels[0].addSlice(null, r);
channels[1].addSlice(null, g);
channels[2].addSlice(null, b);
IJ.showProgress((double) i / n);
}
return channels;
}
public static double[] getPixels(ImagePlus imp, int[] slices, int[] frames, int[] channels) {
ImagePlus subImp = AccessImage.getSubHyperStack(imp, slices, frames, channels);
ImageStack imageStack = subImp.getImageStack();
double[] pixels = new double[subImp.getWidth() * subImp.getHeight() * imageStack.getSize()];
for (int i = 0; i < imageStack.getSize(); i++) {
switch (subImp.getType()) {
case ImagePlus.GRAY8:
ByteProcessor byteProcessor = (ByteProcessor) imageStack.getProcessor(i + 1);
for (int iX = 0; iX < subImp.getWidth(); iX++) {
for (int iY = 0; iY < subImp.getHeight(); iY++) {
pixels[i * subImp.getWidth() * subImp.getHeight() + iY * subImp.getWidth() + iX] =
(double) byteProcessor.getPixelValue(iX, iY);
}
}
break;
case ImagePlus.GRAY16:
ShortProcessor shortProcessor = (ShortProcessor) imageStack.getProcessor(i + 1);
for (int iX = 0; iX < subImp.getWidth(); iX++) {
for (int iY = 0; iY < subImp.getHeight(); iY++) {
pixels[i * subImp.getWidth() * subImp.getHeight() + iY * subImp.getWidth() + iX] =
(double) shortProcessor.getPixelValue(iX, iY);
}
}
break;
case ImagePlus.GRAY32:
FloatProcessor floatProcessor = (FloatProcessor) imageStack.getProcessor(i + 1);
for (int iX = 0; iX < subImp.getWidth(); iX++) {
for (int iY = 0; iY < subImp.getHeight(); iY++) {
pixels[i * subImp.getWidth() * subImp.getHeight() + iY * subImp.getWidth() + iX] =
(double) floatProcessor.getPixelValue(iX, iY);
}
}
break;
case ImagePlus.COLOR_RGB:
ColorProcessor colorProcessor = (ColorProcessor) imageStack.getProcessor(i + 1);
int nX = subImp.getWidth();
int nY = subImp.getHeight();
byte[] red = new byte[nX * nY];
byte[] green = new byte[nX * nY];
byte[] blue = new byte[nX * nY];
colorProcessor.getRGB(red, green, blue);
int r, g, b;
for (int j = 0; j < nX * nY; j++) {
r = red[j] << 16;
g = green[j] << 8;
b = blue[j] << 0;
pixels[i * nX * nY + j] = (double) (r + g + b);
}
break;
}
}
return (pixels);
}
ImageStack getRGBStack(ImagePlus imp) {
ImageProcessor ip = imp.getProcessor();
int w = ip.getWidth();
int h = ip.getHeight();
int size = w * h;
byte[] r = new byte[size];
byte[] g = new byte[size];
byte[] b = new byte[size];
((ColorProcessor) ip).getRGB(r, g, b);
ImageStack stack = new ImageStack(w, h);
stack.addSlice("Red", r);
stack.addSlice("Green", g);
stack.addSlice("Blue", b);
stack.setColorModel(ip.getDefaultColorModel());
return stack;
}
@Override
public BooleanImage getBinaryImage(ImageProcessor ip) {
if (th1 == null || !isSupported(ip)) return new BooleanImage(ip.getWidth(), ip.getHeight());
int width = ip.getWidth();
int height = ip.getHeight();
byte[] ch1, ch2, ch3;
ch1 = new byte[ip.getWidth() * ip.getHeight()];
ch2 = new byte[ip.getWidth() * ip.getHeight()];
ch3 = new byte[ip.getWidth() * ip.getHeight()];
ColorProcessor cp = (ColorProcessor) ip;
switch (colorspace) {
case RGB:
cp.getRGB(ch1, ch2, ch3);
break;
case HSB:
cp.getHSB(ch1, ch2, ch3);
break;
case Lab:
getLab(cp, ch1, ch2, ch3);
break;
case YUV:
getYUV(cp, ch1, ch2, ch3);
break;
default:
break;
}
boolean[] pix = new boolean[width * height];
for (int i = 0; i < ch1.length; i++) {
boolean c1 = th1[0] <= (ch1[i] & 0xff) && (ch1[i] & 0xff) <= th1[1];
if (pass1 ? !c1 : c1) continue;
boolean c2 = th2[0] <= (ch2[i] & 0xff) && (ch2[i] & 0xff) <= th2[1];
if (pass2 ? !c2 : c2) continue;
boolean c3 = th3[0] <= (ch3[i] & 0xff) && (ch3[i] & 0xff) <= th3[1];
if (pass3 ? !c3 : c3) continue;
pix[i] = true;
}
pix = applyMask(pix);
return new BooleanImage(width, height, pix);
}
// -----------------------------------------------------------------------------------
public void Lipschitz2D(ImageProcessor ip) {
int slope, slope1, p, p1, p2, p3, p4, maxz;
m_roi = ip.getRoi();
ImageHeight = ip.getHeight();
ImageWidth = ip.getWidth();
m_channels = ip instanceof ColorProcessor ? 3 : 1;
m_short = ip instanceof ShortProcessor;
pixel = new int[m_channels];
int[][] destPixels = new int[m_channels][ImageHeight * ImageWidth];
int[][] srcPixels = new int[m_channels][ImageHeight * ImageWidth];
byte[][] tmpBytePixels = new byte[m_channels][ImageHeight * ImageWidth];
short[][] tmpShortPixels = new short[m_channels][ImageHeight * ImageWidth];
if (m_channels == 1) {
if (m_short) {
tmpShortPixels[0] = (short[]) ip.getPixels();
} else {
tmpBytePixels[0] = (byte[]) ip.getPixels();
}
} else {
ColorProcessor cip = (ColorProcessor) ip;
cip.getRGB(tmpBytePixels[0], tmpBytePixels[1], tmpBytePixels[2]);
}
int sign = (m_Down ? 1 : -1);
int topdown = (m_Down ? 0 : 255);
for (int ii = 0; ii < m_channels; ii++) {
for (int ij = 0; ij < ImageHeight * ImageWidth; ij++) {
srcPixels[ii][ij] =
(m_short
? sign * (tmpShortPixels[ii][ij] & 0xffff)
: sign * (tmpBytePixels[ii][ij] & 0xff));
destPixels[ii][ij] = srcPixels[ii][ij];
}
}
slope = (int) (m_Slope);
slope1 = (int) (slope * Math.sqrt(2.0));
maxz = m_channels;
for (int y = m_roi.y; y < m_roi.y + m_roi.height; y++) // rows
{
IJ.showProgress(y, 2 * ImageHeight);
for (int z = 0; z < m_channels; z++) {
p2 = sign * (topdown + (sign) * slope);
p3 = sign * (topdown + (sign) * slope1);
for (int x = m_roi.x; x < m_roi.x + m_roi.width; x++) // columns
{
p = (p2 - slope);
p1 = (p3 - slope1);
if (p1 > p) p = p1;
p3 = destPixels[z][x + ImageWidth * (Math.max(y - 1, 0))];
p1 = p3 - slope;
if (p1 > p) p = p1;
p4 = destPixels[z][Math.min(x + 1, ImageWidth - 1) + ImageWidth * (Math.max(y - 1, 0))];
p1 = p4 - slope1;
if (p1 > p) p = p1;
p2 = srcPixels[z][x + ImageWidth * y];
if (p > p2) {
destPixels[z][x + ImageWidth * y] = p;
p2 = p;
}
}
}
}
for (int y = m_roi.y + m_roi.height - 1; y >= m_roi.y; y--) // rows
{
IJ.showProgress(2 * ImageHeight - y - 1, 2 * ImageHeight);
for (int z = 0; z < maxz; z++) {
p2 = sign * (topdown + (sign) * slope);
p3 = sign * (topdown + (sign) * slope1);
for (int x = m_roi.x + m_roi.width - 1; x >= m_roi.x; x--) // columns
{
p = (p2 - slope);
p1 = (p3 - slope1);
if (p1 > p) p = p1;
p3 = destPixels[z][x + ImageWidth * (Math.min(y + 1, ImageHeight - 1))];
p1 = p3 - slope;
if (p1 > p) p = p1;
p4 = destPixels[z][Math.max(x - 1, 0) + ImageWidth * (Math.min(y + 1, ImageHeight - 1))];
p1 = p4 - slope1;
if (p1 > p) p = p1;
p2 = destPixels[z][x + ImageWidth * y];
if (p > p2) {
destPixels[z][x + ImageWidth * y] = p;
p2 = p;
}
}
}
}
for (int ii = 0; ii < m_channels; ii++) {
for (int ij = 0; ij < ImageHeight * ImageWidth; ij++) {
if (m_TopHat) {
tmpBytePixels[ii][ij] =
(m_Down
? (byte) (srcPixels[ii][ij] - destPixels[ii][ij] + 255)
: (byte) (destPixels[ii][ij] - srcPixels[ii][ij]));
} else {
if (m_short) {
tmpShortPixels[ii][ij] = (short) ((sign * destPixels[ii][ij] & 0xffff));
} else {
tmpBytePixels[ii][ij] = (byte) (sign * destPixels[ii][ij]);
}
}
}
}
if (m_channels == 1) {
if (m_short) {
ShortProcessor sip = (ShortProcessor) ip;
sip.setPixels(tmpShortPixels[0]);
} else {
ByteProcessor bip = (ByteProcessor) ip;
bip.setPixels(tmpBytePixels[0]);
}
} else {
ColorProcessor cip = (ColorProcessor) ip;
cip.setRGB(tmpBytePixels[0], tmpBytePixels[1], tmpBytePixels[2]);
}
}
ImageProcessor setup(ImagePlus imp) {
ImageProcessor ip;
int type = imp.getType();
if (type != ImagePlus.COLOR_RGB) return null;
ip = imp.getProcessor();
int id = imp.getID();
int slice = imp.getCurrentSlice();
if ((id != previousImageID) | (slice != previousSlice) | (flag)) {
flag = false; // if true, flags a change from HSB to RGB or viceversa
numSlices = imp.getStackSize();
stack = imp.getStack();
width = stack.getWidth();
height = stack.getHeight();
numPixels = width * height;
hSource = new byte[numPixels];
sSource = new byte[numPixels];
bSource = new byte[numPixels];
// restore = (int[])ip.getPixelsCopy(); //This runs into trouble sometimes, so do it the
// long way:
int[] temp = (int[]) ip.getPixels();
restore = new int[numPixels];
for (int i = 0; i < numPixels; i++) restore[i] = temp[i];
fillMask = new int[numPixels];
// Get hsb or rgb from image.
ColorProcessor cp = (ColorProcessor) ip;
IJ.showStatus("Gathering data");
if (isRGB) cp.getRGB(hSource, sSource, bSource);
else cp.getHSB(hSource, sSource, bSource);
IJ.showStatus("done");
// Create a spectrum ColorModel for the Hue histogram plot.
Color c;
byte[] reds = new byte[256];
byte[] greens = new byte[256];
byte[] blues = new byte[256];
for (int i = 0; i < 256; i++) {
c = Color.getHSBColor(i / 255f, 1f, 1f);
reds[i] = (byte) c.getRed();
greens[i] = (byte) c.getGreen();
blues[i] = (byte) c.getBlue();
}
ColorModel cm = new IndexColorModel(8, 256, reds, greens, blues);
// Make an image with just the hue from the RGB image and the spectrum LUT.
// This is just for a hue histogram for the plot. Do not show it.
// ByteProcessor bpHue = new ByteProcessor(width,height,h,cm);
ByteProcessor bpHue = new ByteProcessor(width, height, hSource, cm);
ImagePlus impHue = new ImagePlus("Hue", bpHue);
// impHue.show();
ByteProcessor bpSat = new ByteProcessor(width, height, sSource, cm);
ImagePlus impSat = new ImagePlus("Sat", bpSat);
// impSat.show();
ByteProcessor bpBri = new ByteProcessor(width, height, bSource, cm);
ImagePlus impBri = new ImagePlus("Bri", bpBri);
// impBri.show();
plot.setHistogram(impHue, 0);
splot.setHistogram(impSat, 1);
bplot.setHistogram(impBri, 2);
updateLabels();
updatePlot();
updateScrollBars();
imp.updateAndDraw();
}
previousImageID = id;
previousSlice = slice;
return ip;
}
void sample() {
byte[] hsSource, ssSource, bsSource;
// ImageProcessor ip2;
// ip2 = imp.getProcessor();
Rectangle myroi = ip.getRoi();
int swidth = myroi.width;
int sheight = myroi.height;
int sy = myroi.y;
int sx = myroi.x;
if (swidth == width && sheight == height) {
IJ.showMessage("Select a rectangular ROI");
IJ.beep();
return;
}
IJ.run("Select None");
int snumPixels = swidth * sheight;
hsSource = new byte[snumPixels];
ssSource = new byte[snumPixels];
bsSource = new byte[snumPixels];
int[] pixs = new int[snumPixels];
int[] bin = new int[256];
int counter = 0, pi = 0, rangePassH = 0, rangeStopH = 0, rangePassL = 0, rangeStopL = 0, i, j;
for (i = sy; i < sy + sheight; i++) {
for (j = sx; j < sx + swidth; j++) {
pixs[counter++] = ip.getPixel(j, i);
}
}
// Get hsb or rgb from roi.
ColorProcessor cp2 = new ColorProcessor(swidth, sheight, pixs);
int iminhue = 256, imaxhue = -1, iminsat = 256, imaxsat = -1, iminbri = 256, imaxbri = -1;
int iminred = 256, imaxred = -1, imingre = 256, imaxgre = -1, iminblu = 256, imaxblu = -1;
if (isRGB) cp2.getRGB(hsSource, ssSource, bsSource);
else cp2.getHSB(hsSource, ssSource, bsSource);
for (i = 0; i < snumPixels; i++) {
bin[hsSource[i] & 255] = 1;
if ((hsSource[i] & 255) > imaxhue) imaxhue = (hsSource[i] & 255);
if ((hsSource[i] & 255) < iminhue) iminhue = (hsSource[i] & 255);
if ((ssSource[i] & 255) > imaxsat) imaxsat = (ssSource[i] & 255);
if ((ssSource[i] & 255) < iminsat) iminsat = (ssSource[i] & 255);
if ((bsSource[i] & 255) > imaxbri) imaxbri = (bsSource[i] & 255);
if ((bsSource[i] & 255) < iminbri) iminbri = (bsSource[i] & 255);
// IJ.showMessage("h:"+minhue+"H:"+maxhue+"s:"+minsat+"S:"+maxsat+"b:"+minbri+"B:"+maxbri);
}
if (!isRGB) { // get pass or stop filter whichever has a narrower range
for (i = 0; i < 256; i++) {
if (bin[i] > 0) {
rangePassL = i;
break;
}
}
for (i = 255; i >= 0; i--) {
if (bin[i] > 0) {
rangePassH = i;
break;
}
}
for (i = 0; i < 256; i++) {
if (bin[i] == 0) {
rangeStopL = i;
break;
}
}
for (i = 255; i >= 0; i--) {
if (bin[i] == 0) {
rangeStopH = i;
break;
}
}
if ((rangePassH - rangePassL) < (rangeStopH - rangeStopL)) {
bandPassH.setState(true);
bandStopH.setState(false);
iminhue = rangePassL;
imaxhue = rangePassH;
} else {
bandPassH.setState(false);
bandStopH.setState(true);
iminhue = rangeStopL;
imaxhue = rangeStopH;
}
} else {
bandPassH.setState(true);
bandStopH.setState(false);
}
adjustMinHue(iminhue);
minSlider.setValue(iminhue);
adjustMaxHue(imaxhue);
maxSlider.setValue(imaxhue);
adjustMinSat(iminsat);
minSlider2.setValue(iminsat);
adjustMaxSat(imaxsat);
maxSlider2.setValue(imaxsat);
adjustMinBri(iminbri);
minSlider3.setValue(iminbri);
adjustMaxBri(imaxbri);
maxSlider3.setValue(imaxbri);
originalB.setEnabled(true);
// IJ.showStatus("done");
}