Example #1
0
 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;
   }
 }
Example #2
0
 /** Opens a stack of images. */
 ImagePlus openStack(ColorModel cm, boolean show) {
   ImageStack stack = new ImageStack(fi.width, fi.height, cm);
   long skip = fi.getOffset();
   Object pixels;
   try {
     ImageReader reader = new ImageReader(fi);
     InputStream is = createInputStream(fi);
     if (is == null) return null;
     IJ.resetEscape();
     for (int i = 1; i <= fi.nImages; i++) {
       if (!silentMode) IJ.showStatus("Reading: " + i + "/" + fi.nImages);
       if (IJ.escapePressed()) {
         IJ.beep();
         IJ.showProgress(1.0);
         silentMode = false;
         return null;
       }
       pixels = reader.readPixels(is, skip);
       if (pixels == null) break;
       stack.addSlice(null, pixels);
       skip = fi.gapBetweenImages;
       if (!silentMode) IJ.showProgress(i, fi.nImages);
     }
     is.close();
   } catch (Exception e) {
     IJ.log("" + e);
   } catch (OutOfMemoryError e) {
     IJ.outOfMemory(fi.fileName);
     stack.trim();
   }
   if (!silentMode) IJ.showProgress(1.0);
   if (stack.getSize() == 0) return null;
   if (fi.sliceLabels != null && fi.sliceLabels.length <= stack.getSize()) {
     for (int i = 0; i < fi.sliceLabels.length; i++) stack.setSliceLabel(fi.sliceLabels[i], i + 1);
   }
   ImagePlus imp = new ImagePlus(fi.fileName, stack);
   if (fi.info != null) imp.setProperty("Info", fi.info);
   if (show) imp.show();
   imp.setFileInfo(fi);
   setCalibration(imp);
   ImageProcessor ip = imp.getProcessor();
   if (ip.getMin() == ip.getMax()) // find stack min and max if first slice is blank
   setStackDisplayRange(imp);
   if (!silentMode) IJ.showProgress(1.0);
   silentMode = false;
   return imp;
 }
Example #3
0
 void createNewStack(ImagePlus imp, ImageProcessor ip) {
   int nSlices = imp.getStackSize();
   int w = imp.getWidth(), h = imp.getHeight();
   ImagePlus imp2 = imp.createImagePlus();
   Rectangle r = ip.getRoi();
   boolean crop = r.width != imp.getWidth() || r.height != imp.getHeight();
   ImageStack stack1 = imp.getStack();
   ImageStack stack2 = new ImageStack(newWidth, newHeight);
   ImageProcessor ip1, ip2;
   int method = interpolationMethod;
   if (w == 1 || h == 1) method = ImageProcessor.NONE;
   for (int i = 1; i <= nSlices; i++) {
     IJ.showStatus("Scale: " + i + "/" + nSlices);
     ip1 = stack1.getProcessor(i);
     String label = stack1.getSliceLabel(i);
     if (crop) {
       ip1.setRoi(r);
       ip1 = ip1.crop();
     }
     ip1.setInterpolationMethod(method);
     ip2 = ip1.resize(newWidth, newHeight, averageWhenDownsizing);
     if (ip2 != null) stack2.addSlice(label, ip2);
     IJ.showProgress(i, nSlices);
   }
   imp2.setStack(title, stack2);
   Calibration cal = imp2.getCalibration();
   if (cal.scaled()) {
     cal.pixelWidth *= 1.0 / xscale;
     cal.pixelHeight *= 1.0 / yscale;
   }
   IJ.showProgress(1.0);
   int[] dim = imp.getDimensions();
   imp2.setDimensions(dim[2], dim[3], dim[4]);
   if (imp.isComposite()) {
     imp2 = new CompositeImage(imp2, ((CompositeImage) imp).getMode());
     ((CompositeImage) imp2).copyLuts(imp);
   }
   if (imp.isHyperStack()) imp2.setOpenAsHyperStack(true);
   if (newDepth > 0 && newDepth != oldDepth)
     imp2 = (new Resizer()).zScale(imp2, newDepth, interpolationMethod);
   if (imp2 != null) {
     imp2.show();
     imp2.changes = true;
   }
 }
Example #4
0
 void createNewStack(ImagePlus imp, ImageProcessor ip) {
   Rectangle r = ip.getRoi();
   boolean crop = r.width != imp.getWidth() || r.height != imp.getHeight();
   int nSlices = imp.getStackSize();
   ImageStack stack1 = imp.getStack();
   ImageStack stack2 = new ImageStack(newWidth, newHeight);
   ImageProcessor ip1, ip2;
   boolean interp = interpolate;
   if (imp.getWidth() == 1 || imp.getHeight() == 1) interp = false;
   for (int i = 1; i <= nSlices; i++) {
     IJ.showStatus("Scale: " + i + "/" + nSlices);
     ip1 = stack1.getProcessor(i);
     String label = stack1.getSliceLabel(i);
     if (crop) {
       ip1.setRoi(r);
       ip1 = ip1.crop();
     }
     ip1.setInterpolate(interp);
     ip2 = ip1.resize(newWidth, newHeight);
     if (ip2 != null) stack2.addSlice(label, ip2);
     IJ.showProgress(i, nSlices);
   }
   ImagePlus imp2 = imp.createImagePlus();
   imp2.setStack(title, stack2);
   Calibration cal = imp2.getCalibration();
   if (cal.scaled()) {
     cal.pixelWidth *= 1.0 / xscale;
     cal.pixelHeight *= 1.0 / yscale;
   }
   int[] dim = imp.getDimensions();
   imp2.setDimensions(dim[2], dim[3], dim[4]);
   IJ.showProgress(1.0);
   if (imp.isComposite()) {
     imp2 = new CompositeImage(imp2, 0);
     ((CompositeImage) imp2).copyLuts(imp);
   }
   if (imp.isHyperStack()) imp2.setOpenAsHyperStack(true);
   imp2.show();
   imp2.changes = true;
 }
Example #5
0
  /** Opens the image. Displays it if 'show' is true. Returns an ImagePlus object if successful. */
  public ImagePlus open(boolean show) {
    ImagePlus imp = null;
    Object pixels;
    ProgressBar pb = null;
    ImageProcessor ip;

    ColorModel cm = createColorModel(fi);
    if (fi.nImages > 1) {
      return openStack(cm, show);
    }
    switch (fi.fileType) {
      case FileInfo.GRAY8:
      case FileInfo.COLOR8:
      case FileInfo.BITMAP:
        pixels = readPixels(fi);
        if (pixels == null) return null;
        ip = new ByteProcessor(width, height, (byte[]) pixels, cm);
        imp = new ImagePlus(fi.fileName, ip);
        break;
      case FileInfo.GRAY16_SIGNED:
      case FileInfo.GRAY16_UNSIGNED:
      case FileInfo.GRAY12_UNSIGNED:
        pixels = readPixels(fi);
        if (pixels == null) return null;
        ip = new ShortProcessor(width, height, (short[]) pixels, cm);
        imp = new ImagePlus(fi.fileName, ip);
        break;
      case FileInfo.GRAY32_INT:
      case FileInfo.GRAY32_UNSIGNED:
      case FileInfo.GRAY32_FLOAT:
      case FileInfo.GRAY24_UNSIGNED:
      case FileInfo.GRAY64_FLOAT:
        pixels = readPixels(fi);
        if (pixels == null) return null;
        ip = new FloatProcessor(width, height, (float[]) pixels, cm);
        imp = new ImagePlus(fi.fileName, ip);
        break;
      case FileInfo.RGB:
      case FileInfo.BGR:
      case FileInfo.ARGB:
      case FileInfo.ABGR:
      case FileInfo.BARG:
      case FileInfo.RGB_PLANAR:
        pixels = readPixels(fi);
        if (pixels == null) return null;
        ip = new ColorProcessor(width, height, (int[]) pixels);
        imp = new ImagePlus(fi.fileName, ip);
        break;
      case FileInfo.RGB48:
      case FileInfo.RGB48_PLANAR:
        boolean planar = fi.fileType == FileInfo.RGB48_PLANAR;
        Object[] pixelArray = (Object[]) readPixels(fi);
        if (pixelArray == null) return null;
        ImageStack stack = new ImageStack(width, height);
        stack.addSlice("Red", pixelArray[0]);
        stack.addSlice("Green", pixelArray[1]);
        stack.addSlice("Blue", pixelArray[2]);
        imp = new ImagePlus(fi.fileName, stack);
        imp.setDimensions(3, 1, 1);
        if (planar) imp.getProcessor().resetMinAndMax();
        imp.setFileInfo(fi);
        int mode = CompositeImage.COMPOSITE;
        if (fi.description != null) {
          if (fi.description.indexOf("mode=color") != -1) mode = CompositeImage.COLOR;
          else if (fi.description.indexOf("mode=gray") != -1) mode = CompositeImage.GRAYSCALE;
        }
        imp = new CompositeImage(imp, mode);
        if (!planar && fi.displayRanges == null) {
          for (int c = 1; c <= 3; c++) {
            imp.setPosition(c, 1, 1);
            imp.setDisplayRange(minValue, maxValue);
          }
          imp.setPosition(1, 1, 1);
        }
        break;
    }
    imp.setFileInfo(fi);
    setCalibration(imp);
    if (fi.info != null) imp.setProperty("Info", fi.info);
    if (fi.sliceLabels != null && fi.sliceLabels.length == 1 && fi.sliceLabels[0] != null)
      imp.setProperty("Label", fi.sliceLabels[0]);
    if (show) imp.show();
    return imp;
  }