Examples with PreFilter org.jwildfire.create.tina.meshgen.filter.PreFilter used on opensource projects

Example 1 with PreFilter

use of org.jwildfire.create.tina.meshgen.filter.PreFilter in project JWildfire by thargor6.

the class ImageStackSampler method getIntensityInternal.

private int getIntensityInternal(int pX, int pY, int pZ) {
    if (pX < 0 || pX >= stackXSize || pY < 0 || pY >= stackYSize || pZ < 0 || pZ >= stackZSize)
        return 0;
    SimpleImage img = images.get(pZ);
    if (img == null) {
        String filename = String.format(inputfilename, imagesIndex.get(pZ));
        try {
            SimpleImage loadedImage = new ImageReader().loadImage(filename);
            for (PreFilter filter : preFilterList) {
                filter.apply(loadedImage);
            }
            if (downsample > 1) {
                double square = downsample * downsample;
                img = new SimpleImage(loadedImage.getImageWidth() / downsample, loadedImage.getImageHeight() / downsample);
                for (int i = 0; i < img.getImageHeight(); i++) {
                    for (int j = 0; j < img.getImageWidth(); j++) {
                        long sum = 0;
                        for (int ii = 0; ii < downsample; ii++) {
                            for (int jj = 0; jj < downsample; jj++) {
                                sum += loadedImage.getRValue(j * downsample + jj, i * downsample + ii);
                            }
                        }
                        int value = (int) (sum / square + 0.5);
                        img.setRGB(j, i, value, value, value);
                    }
                }
            } else {
                img = loadedImage;
            }
        } catch (Exception ex) {
            throw new RuntimeException(ex);
        }
        images.set(pZ, img);
        int imgCount = 1;
        for (int i = pZ - 1; i >= 0; i--) {
            if (images.get(i) != null) {
                imgCount++;
                if (imgCount >= MAX_IMAGES_IN_CACHE) {
                    images.set(i, null);
                    imgCount--;
                }
            } else {
                break;
            }
        }
    }
    return img.getRValue(pX, pY);
}