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

Example 1 with ColorProcessor

use of ij.process.ColorProcessor in project GDSC-SMLM by aherbert.

the class ImageConverter method getDoubleData.

/**
	 * Get the data from the image as a double array (include cropping to the ROI). Data is duplicated if the
	 * input already a double array.
	 * <p>
	 * Allows reuse of an existing buffer if provided. This will not be truncated if it is larger than the
	 * ImageProcessor ROI bounds. If smaller then a new buffer will be created.
	 * 
	 * @param oPixels
	 * @param width
	 * @param height
	 * @param bounds
	 * @param buffer
	 * @return The double array data
	 */
public static double[] getDoubleData(final Object oPixels, final int width, final int height, final Rectangle bounds, double[] buffer) {
    if (oPixels == null)
        return null;
    if (oPixels instanceof float[]) {
        float[] pixels = (float[]) oPixels;
        if (bounds != null && (bounds.x != 0 || bounds.y != 0 || bounds.width != width || bounds.height != height)) {
            double[] pixels2 = allocate(buffer, bounds.width * bounds.height);
            for (int ys = bounds.y; ys < bounds.y + bounds.height; ys++) {
                int offset1 = (ys - bounds.y) * bounds.width;
                int offset2 = ys * width + bounds.x;
                for (int xs = 0; xs < bounds.width; xs++) pixels2[offset1++] = pixels[offset2++];
            }
            return pixels2;
        } else {
            double[] pixels2 = allocate(buffer, pixels.length);
            for (int i = 0; i < pixels.length; i++) pixels2[i] = pixels[i];
            return pixels2;
        }
    } else if (oPixels instanceof short[]) {
        short[] pixels = (short[]) oPixels;
        if (bounds != null && (bounds.x != 0 || bounds.y != 0 || bounds.width != width || bounds.height != height)) {
            double[] pixels2 = allocate(buffer, bounds.width * bounds.height);
            for (int ys = bounds.y; ys < bounds.y + bounds.height; ys++) {
                int offset1 = (ys - bounds.y) * bounds.width;
                int offset2 = ys * width + bounds.x;
                for (int xs = 0; xs < bounds.width; xs++) pixels2[offset1++] = pixels[offset2++] & 0xffff;
            }
            return pixels2;
        } else {
            double[] pixels2 = allocate(buffer, pixels.length);
            for (int i = 0; i < pixels.length; i++) pixels2[i] = pixels[i] & 0xffff;
            return pixels2;
        }
    } else if (oPixels instanceof byte[]) {
        byte[] pixels = (byte[]) oPixels;
        if (bounds != null && (bounds.x != 0 || bounds.y != 0 || bounds.width != width || bounds.height != height)) {
            double[] pixels2 = allocate(buffer, bounds.width * bounds.height);
            for (int ys = bounds.y; ys < bounds.y + bounds.height; ys++) {
                int offset1 = (ys - bounds.y) * bounds.width;
                int offset2 = ys * width + bounds.x;
                for (int xs = 0; xs < bounds.width; xs++) pixels2[offset1++] = pixels[offset2++] & 0xff;
            }
            return pixels2;
        } else {
            double[] pixels2 = allocate(buffer, pixels.length);
            for (int i = 0; i < pixels.length; i++) pixels2[i] = pixels[i] & 0xff;
            return pixels2;
        }
    } else if (oPixels instanceof int[]) {
        // The default processing
        ImageProcessor ip = new ColorProcessor(width, height, (int[]) oPixels);
        ip.setRoi(bounds);
        FloatProcessor fp = ip.crop().toFloat(0, null);
        return (double[]) fp.getPixels();
    }
    return null;
}

Example 2 with ColorProcessor

use of ij.process.ColorProcessor in project GDSC-SMLM by aherbert.

the class ImageConverter method getData.

/**
	 * Get the data from the image as a float array (include cropping to the ROI). Data is duplicated if the
	 * input already a float array.
	 * <p>
	 * Allows reuse of an existing buffer if provided. This will not be truncated if it is larger than the
	 * ImageProcessor ROI bounds. If smaller then a new buffer will be created.
	 * 
	 * @param oPixels
	 * @param width
	 * @param height
	 * @param bounds
	 * @param buffer
	 * @return The float array data
	 */
public static float[] getData(final Object oPixels, final int width, final int height, final Rectangle bounds, float[] buffer) {
    if (oPixels == null)
        return null;
    if (oPixels instanceof float[]) {
        float[] pixels = (float[]) oPixels;
        if (bounds != null && (bounds.x != 0 || bounds.y != 0 || bounds.width != width || bounds.height != height)) {
            float[] pixels2 = allocate(buffer, bounds.width * bounds.height);
            for (int ys = bounds.y; ys < bounds.y + bounds.height; ys++) {
                int offset1 = (ys - bounds.y) * bounds.width;
                int offset2 = ys * width + bounds.x;
                for (int xs = 0; xs < bounds.width; xs++) pixels2[offset1++] = pixels[offset2++];
            }
            return pixels2;
        } else {
            float[] pixels2 = allocate(buffer, pixels.length);
            System.arraycopy(pixels, 0, pixels2, 0, pixels.length);
            return pixels2;
        }
    } else if (oPixels instanceof short[]) {
        short[] pixels = (short[]) oPixels;
        if (bounds != null && (bounds.x != 0 || bounds.y != 0 || bounds.width != width || bounds.height != height)) {
            float[] pixels2 = allocate(buffer, bounds.width * bounds.height);
            for (int ys = bounds.y; ys < bounds.y + bounds.height; ys++) {
                int offset1 = (ys - bounds.y) * bounds.width;
                int offset2 = ys * width + bounds.x;
                for (int xs = 0; xs < bounds.width; xs++) pixels2[offset1++] = pixels[offset2++] & 0xffff;
            }
            return pixels2;
        } else {
            float[] pixels2 = allocate(buffer, pixels.length);
            for (int i = 0; i < pixels.length; i++) pixels2[i] = pixels[i] & 0xffff;
            return pixels2;
        }
    } else if (oPixels instanceof byte[]) {
        byte[] pixels = (byte[]) oPixels;
        if (bounds != null && (bounds.x != 0 || bounds.y != 0 || bounds.width != width || bounds.height != height)) {
            float[] pixels2 = allocate(buffer, bounds.width * bounds.height);
            for (int ys = bounds.y; ys < bounds.y + bounds.height; ys++) {
                int offset1 = (ys - bounds.y) * bounds.width;
                int offset2 = ys * width + bounds.x;
                for (int xs = 0; xs < bounds.width; xs++) pixels2[offset1++] = pixels[offset2++] & 0xff;
            }
            return pixels2;
        } else {
            float[] pixels2 = allocate(buffer, pixels.length);
            for (int i = 0; i < pixels.length; i++) pixels2[i] = pixels[i] & 0xff;
            return pixels2;
        }
    } else if (oPixels instanceof int[]) {
        // The default processing
        ImageProcessor ip = new ColorProcessor(width, height, (int[]) oPixels);
        ip.setRoi(bounds);
        FloatProcessor fp = ip.crop().toFloat(0, null);
        return (float[]) fp.getPixels();
    }
    return null;
}