Examples with ByteProcessor ij.process.ByteProcessor used on opensource projects

Example 46 with ByteProcessor

use of ij.process.ByteProcessor in project imagingbook-common by imagingbook.

the class ImageGraphics method copyImageToProcessor.

/**
 * Copies the contents of the {@link BufferedImage} to the specified
 * {@link ImageProcessor}. The size and type of the BufferedImage
 * is assumed to match the ImageProcessor.
 *
 * @param bi the local (intermediate) {@link BufferedImage} instance
 * @param ip the original {@link ImageProcessor}
 */
private void copyImageToProcessor(BufferedImage bi, ImageProcessor ip) {
    ImageProcessor ip2 = null;
    if (ip instanceof ByteProcessor) {
        ip2 = new ByteProcessor(bi);
    } else if (ip instanceof ShortProcessor) {
        ip2 = new ShortProcessor(bi);
    } else if (ip instanceof ColorProcessor) {
        ip2 = new ColorProcessor(bi);
    } else {
        throw new IllegalArgumentException("Cannot create BufferedImage from " + ip.getClass().getName());
    }
    ip.copyBits(ip2, 0, 0, Blitter.COPY);
}

Example 47 with ByteProcessor

use of ij.process.ByteProcessor in project imagingbook-common by imagingbook.

the class Utils method showMask.

public static void showMask(CircularMask mask, String title) {
    ByteProcessor bp = new FloatProcessor(mask.getMask()).convertToByteProcessor(false);
    bp.threshold(0);
    ImagePlus im = new ImagePlus(title, bp);
    im.show();
    GuiTools.zoomExact(im, 32);
}

Example 48 with ByteProcessor

use of ij.process.ByteProcessor in project imagingbook-common by imagingbook.

the class ImageTests method match.

public static boolean match(ImageProcessor ip1, ImageProcessor ip2, double tolerance) {
    assertTrue("images are of different type", IjUtils.sameType(ip1, ip2));
    assertTrue("images are of different size", IjUtils.sameSize(ip1, ip2));
    int width = ip1.getWidth();
    int height = ip1.getHeight();
    if (ip1 instanceof ColorProcessor) {
        ColorProcessor cp1 = (ColorProcessor) ip1;
        ColorProcessor cp2 = (ColorProcessor) ip2;
        int[] rgb1 = new int[3];
        int[] rgb2 = new int[3];
        for (int v = 0; v < height; v++) {
            for (int u = 0; u < width; u++) {
                cp1.getPixel(u, v, rgb1);
                cp2.getPixel(u, v, rgb2);
                for (int k = 0; k < 3; k++) {
                    int c1 = rgb1[k];
                    int c2 = rgb2[k];
                    if (Math.abs(c1 - c2) > tolerance) {
                        fail(msgRgb(u, v, rgb1, rgb2));
                    }
                }
            }
        }
    } else if (ip1 instanceof ByteProcessor || ip1 instanceof ShortProcessor || ip1 instanceof FloatProcessor) {
        final float toleranceF = (float) tolerance;
        for (int v = 0; v < height; v++) {
            for (int u = 0; u < width; u++) {
                float v1 = ip1.getf(u, v);
                float v2 = ip2.getf(u, v);
                if (Math.abs(v1 - v2) > toleranceF) {
                    fail(msgFloat(u, v, v1, v2));
                }
            }
        }
    } else {
        throw new IllegalArgumentException("unknown processor type " + ip1.getClass().getSimpleName());
    }
    return true;
}

Example 49 with ByteProcessor

use of ij.process.ByteProcessor in project imagingbook-common by imagingbook.

the class DistanceTransformTest method testL1.

@Test
public void testL1() {
    ImageProcessor ip = new ByteProcessor(W, H, pixels);
    DistanceTransform dt = new DistanceTransform(ip, Norm.L1);
    float[][] dmap = dt.getDistanceMap();
    ArrayTests.assertArrayEquals(distL1, dmap, 1e-6);
}

Example 50 with ByteProcessor

use of ij.process.ByteProcessor in project imagingbook-common by imagingbook.

the class DistanceTransformTest method testL2.

@Test
public void testL2() {
    ImageProcessor ip = new ByteProcessor(W, H, pixels);
    DistanceTransform dt = new DistanceTransform(ip, Norm.L2);
    float[][] dmap = dt.getDistanceMap();
    ArrayTests.assertArrayEquals(distL2, dmap, 1e-3);
}