void scale(ImageProcessor ip) {
if (newWindow) {
Rectangle r = ip.getRoi();
ImagePlus imp2 = imp.createImagePlus();
imp2.setProcessor(title, ip.resize(newWidth, newHeight));
Calibration cal = imp2.getCalibration();
if (cal.scaled()) {
cal.pixelWidth *= 1.0 / xscale;
cal.pixelHeight *= 1.0 / yscale;
}
imp2.show();
imp.trimProcessor();
imp2.trimProcessor();
imp2.changes = true;
} else {
if (processStack && imp.getStackSize() > 1) {
Undo.reset();
StackProcessor sp = new StackProcessor(imp.getStack(), ip);
sp.scale(xscale, yscale, bgValue);
} else {
ip.snapshot();
Undo.setup(Undo.FILTER, imp);
ip.setSnapshotCopyMode(true);
ip.scale(xscale, yscale);
ip.setSnapshotCopyMode(false);
}
imp.killRoi();
imp.updateAndDraw();
imp.changes = true;
}
}
private void doRGBProjection(ImageStack stack) {
ImageStack[] channels = ChannelSplitter.splitRGB(stack, true);
ImagePlus red = new ImagePlus("Red", channels[0]);
ImagePlus green = new ImagePlus("Green", channels[1]);
ImagePlus blue = new ImagePlus("Blue", channels[2]);
imp.unlock();
ImagePlus saveImp = imp;
imp = red;
color = "(red)";
doProjection();
ImagePlus red2 = projImage;
imp = green;
color = "(green)";
doProjection();
ImagePlus green2 = projImage;
imp = blue;
color = "(blue)";
doProjection();
ImagePlus blue2 = projImage;
int w = red2.getWidth(), h = red2.getHeight(), d = red2.getStackSize();
if (method == SD_METHOD) {
ImageProcessor r = red2.getProcessor();
ImageProcessor g = green2.getProcessor();
ImageProcessor b = blue2.getProcessor();
double max = 0;
double rmax = r.getStatistics().max;
if (rmax > max) max = rmax;
double gmax = g.getStatistics().max;
if (gmax > max) max = gmax;
double bmax = b.getStatistics().max;
if (bmax > max) max = bmax;
double scale = 255 / max;
r.multiply(scale);
g.multiply(scale);
b.multiply(scale);
red2.setProcessor(r.convertToByte(false));
green2.setProcessor(g.convertToByte(false));
blue2.setProcessor(b.convertToByte(false));
}
RGBStackMerge merge = new RGBStackMerge();
ImageStack stack2 =
merge.mergeStacks(w, h, d, red2.getStack(), green2.getStack(), blue2.getStack(), true);
imp = saveImp;
projImage = new ImagePlus(makeTitle(), stack2);
}
/** Restores original disk or network version of image. */
public void revertToSaved(ImagePlus imp) {
Image img;
ProgressBar pb = IJ.getInstance().getProgressBar();
ImageProcessor ip;
String path = fi.directory + fi.fileName;
if (fi.fileFormat == fi.GIF_OR_JPG) {
// restore gif or jpg
img = Toolkit.getDefaultToolkit().createImage(path);
imp.setImage(img);
if (imp.getType() == ImagePlus.COLOR_RGB) Opener.convertGrayJpegTo8Bits(imp);
return;
}
if (fi.fileFormat == fi.DICOM) {
// restore DICOM
ImagePlus imp2 = (ImagePlus) IJ.runPlugIn("ij.plugin.DICOM", path);
if (imp2 != null) imp.setProcessor(null, imp2.getProcessor());
return;
}
if (fi.fileFormat == fi.BMP) {
// restore BMP
ImagePlus imp2 = (ImagePlus) IJ.runPlugIn("ij.plugin.BMP_Reader", path);
if (imp2 != null) imp.setProcessor(null, imp2.getProcessor());
return;
}
if (fi.fileFormat == fi.PGM) {
// restore PGM
ImagePlus imp2 = (ImagePlus) IJ.runPlugIn("ij.plugin.PGM_Reader", path);
if (imp2 != null) imp.setProcessor(null, imp2.getProcessor());
return;
}
if (fi.fileFormat == fi.ZIP_ARCHIVE) {
// restore ".zip" file
ImagePlus imp2 = (new Opener()).openZip(path);
if (imp2 != null) imp.setProcessor(null, imp2.getProcessor());
return;
}
// restore PNG or another image opened using ImageIO
if (fi.fileFormat == fi.IMAGEIO) {
ImagePlus imp2 = (new Opener()).openUsingImageIO(path);
if (imp2 != null) imp.setProcessor(null, imp2.getProcessor());
return;
}
if (fi.nImages > 1) return;
ColorModel cm;
if (fi.url == null || fi.url.equals("")) IJ.showStatus("Loading: " + path);
else IJ.showStatus("Loading: " + fi.url + fi.fileName);
Object pixels = readPixels(fi);
if (pixels == null) return;
cm = createColorModel(fi);
switch (fi.fileType) {
case FileInfo.GRAY8:
case FileInfo.COLOR8:
case FileInfo.BITMAP:
ip = new ByteProcessor(width, height, (byte[]) pixels, cm);
imp.setProcessor(null, ip);
break;
case FileInfo.GRAY16_SIGNED:
case FileInfo.GRAY16_UNSIGNED:
case FileInfo.GRAY12_UNSIGNED:
ip = new ShortProcessor(width, height, (short[]) pixels, cm);
imp.setProcessor(null, ip);
break;
case FileInfo.GRAY32_INT:
case FileInfo.GRAY32_FLOAT:
ip = new FloatProcessor(width, height, (float[]) pixels, cm);
imp.setProcessor(null, ip);
break;
case FileInfo.RGB:
case FileInfo.BGR:
case FileInfo.ARGB:
case FileInfo.ABGR:
case FileInfo.RGB_PLANAR:
img =
Toolkit.getDefaultToolkit()
.createImage(new MemoryImageSource(width, height, (int[]) pixels, 0, width));
imp.setImage(img);
break;
}
}
public void run(String arg) {
int wOld, hOld, wNew, hNew;
boolean fIsStack = false;
ImagePlus imp = IJ.getImage();
wOld = imp.getWidth();
hOld = imp.getHeight();
ImageStack stackOld = imp.getStack();
if ((stackOld != null) && (stackOld.getSize() > 1)) fIsStack = true;
String[] sPositions = {
"Top-Left", "Top-Center", "Top-Right",
"Center-Left", "Center", "Center-Right",
"Bottom-Left", "Bottom-Center", "Bottom-Right"
};
String strTitle = fIsStack ? "Resize Stack Canvas" : "Resize Image Canvas";
GenericDialog gd = new GenericDialog(strTitle);
gd.addNumericField("Width:", wOld, 0, 5, "pixels");
gd.addNumericField("Height:", hOld, 0, 5, "pixels");
gd.addChoice("Position:", sPositions, sPositions[4]);
gd.addCheckbox("Zero Fill", zeroFill);
gd.showDialog();
if (gd.wasCanceled()) return;
wNew = (int) gd.getNextNumber();
hNew = (int) gd.getNextNumber();
int iPos = gd.getNextChoiceIndex();
zeroFill = gd.getNextBoolean();
Prefs.set("resizer.zero", zeroFill);
int xOff, yOff;
int xC = (wNew - wOld) / 2; // offset for centered
int xR = (wNew - wOld); // offset for right
int yC = (hNew - hOld) / 2; // offset for centered
int yB = (hNew - hOld); // offset for bottom
switch (iPos) {
case 0: // TL
xOff = 0;
yOff = 0;
break;
case 1: // TC
xOff = xC;
yOff = 0;
break;
case 2: // TR
xOff = xR;
yOff = 0;
break;
case 3: // CL
xOff = 0;
yOff = yC;
break;
case 4: // C
xOff = xC;
yOff = yC;
break;
case 5: // CR
xOff = xR;
yOff = yC;
break;
case 6: // BL
xOff = 0;
yOff = yB;
break;
case 7: // BC
xOff = xC;
yOff = yB;
break;
case 8: // BR
xOff = xR;
yOff = yB;
break;
default: // center
xOff = xC;
yOff = yC;
break;
}
if (fIsStack) {
ImageStack stackNew = expandStack(stackOld, wNew, hNew, xOff, yOff);
imp.setStack(null, stackNew);
} else {
if (!IJ.macroRunning()) Undo.setup(Undo.COMPOUND_FILTER, imp);
ImageWindow win = imp.getWindow();
if (win != null && (win instanceof PlotWindow)) ((PlotWindow) win).getPlot().setFrozen(true);
ImageProcessor newIP = expandImage(imp.getProcessor(), wNew, hNew, xOff, yOff);
imp.setProcessor(null, newIP);
if (!IJ.macroRunning()) Undo.setup(Undo.COMPOUND_FILTER_DONE, imp);
}
Overlay overlay = imp.getOverlay();
if (overlay != null) overlay.translate(xOff, yOff);
}