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; } }
public boolean resizeImage(Image i, File outputFile, int width, int height) { ImagePlus ip = ((ImageJImage) i).getImagePlus(); ImageProcessor processor = ip.getProcessor(); processor = processor.resize(width, height); ip.setProcessor(null, processor); return ImageProcess.save(((ImageJImage) i).getImageType(), ip, outputFile); }
/** * Creates a JPEG thumbnail from inputFile and saves it to disk in outputFile. scaleWidth is the * width to scale the image to */ public boolean createThumb(Image iw, File outputFile, int size, boolean square) throws IOException { ImagePlus ip = ((ImageJImage) iw).getImagePlus(); // Load the input image. if (ip == null) { return false; } ip = new ImagePlus(ip.getTitle(), ip.getImageStack()); ImageProcessor processor = ip.getProcessor(); if (square) { processor = processor.resize(size, size); } else if (ip.getWidth() > ip.getHeight()) { processor = processor.resize(size, ip.getHeight() * size / ip.getWidth()); } else { processor = processor.resize(ip.getWidth() * size / ip.getHeight(), size); } ip.setProcessor(null, processor); int type = ((ImageJImage) iw).getImageType(); return ImageProcess.save(type, ip, outputFile); }
/** * Resizes the current array to the given dimensions. * * @param input the array to resize * @param lenX the desired length in x-direction (with, horizontal length) * @param lenY the desired length in y-direction (height, vertical length) * @return a new 2d float array with the specified dimensions, and values interpolated from the * input array. */ public static float[][] resize(float[][] input, int lenX, int lenY) { float[] linearized = linearize2DArray(input); ImageStack is = ImageStack.create(input.length, input[0].length, 1, 32); is.setPixels(linearized, 1); ImageProcessor ip = new ImagePlus("", is).getProcessor(); ip.setInterpolationMethod(ImageProcessor.BICUBIC); float[] resized = (float[]) ip.resize(lenX, lenY).getPixels(); return linearizedArrayTo2D(resized, lenX, lenY); }
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; } }
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; }