Examples with ThumbnailImage cbit.image.ThumbnailImage used on opensource projects

Example 1 with ThumbnailImage

use of cbit.image.ThumbnailImage in project vcell by virtualcell.

the class GeometryThumbnailImageFactoryAWT method getThumbnailImage.

public ThumbnailImage getThumbnailImage(GeometrySpec geometrySpec) throws ImageException {
    int REAL_SAMPLE_X = 0;
    int REAL_SAMPLE_Y = 0;
    if (geometrySpec.getDimension() > 0) {
        // Calc Scaling parameters
        double srcScaleX = SAMPLED_GEOM_SIZE_MAX / geometrySpec.getExtent().getX();
        double srcScaleY = SAMPLED_GEOM_SIZE_MAX / geometrySpec.getExtent().getY();
        if (srcScaleX < srcScaleY) {
            REAL_SAMPLE_X = SAMPLED_GEOM_SIZE_MAX;
            REAL_SAMPLE_Y = Math.max((int) (srcScaleX * geometrySpec.getExtent().getY()), 1);
        } else {
            REAL_SAMPLE_Y = SAMPLED_GEOM_SIZE_MAX;
            REAL_SAMPLE_X = Math.max((int) (srcScaleY * geometrySpec.getExtent().getX()), 1);
        }
    }
    if (geometrySpec.getDimension() > 0) {
        BufferedImage brightImage = new BufferedImage(REAL_SAMPLE_X, REAL_SAMPLE_Y, BufferedImage.TYPE_INT_RGB);
        Graphics2D brightG2D = brightImage.createGraphics();
        brightG2D.setColor(java.awt.Color.white);
        brightG2D.fillRect(0, 0, REAL_SAMPLE_X, REAL_SAMPLE_Y);
        VCImage currSampledImage = geometrySpec.getSampledImage().getCurrentValue();
        java.awt.image.IndexColorModel handleColorMap = DisplayAdapterService.getHandleColorMap();
        byte[] reds = new byte[256];
        handleColorMap.getReds(reds);
        byte[] greens = new byte[256];
        handleColorMap.getGreens(greens);
        byte[] blues = new byte[256];
        handleColorMap.getBlues(blues);
        // Create projections of each subvolume handle
        VCPixelClass[] pixClassHandles = currSampledImage.getPixelClasses();
        byte[] pixels = currSampledImage.getPixels();
        for (int i = 0; i < pixClassHandles.length; i += 1) {
            byte[] zBuf = new byte[currSampledImage.getNumX() * currSampledImage.getNumY()];
            java.util.Arrays.fill(zBuf, (byte) 0);
            // Project z
            for (int j = 0; j < pixels.length; j += 1) {
                if (pixels[j] == pixClassHandles[i].getPixel()) {
                    zBuf[j % zBuf.length] = (byte) 1;
                }
            }
            // Scale X-Y
            int cmapIndex = (pixClassHandles[i].getPixel() & 0xff);
            byte ired = reds[cmapIndex];
            byte igrn = greens[cmapIndex];
            byte iblu = blues[cmapIndex];
            IndexColorModel colorModel = new IndexColorModel(8, 2, new byte[] { 0, ired }, new byte[] { 0, igrn }, new byte[] { 0, iblu }, new byte[] { 0, (byte) (200) });
            int width = currSampledImage.getNumX();
            int height = currSampledImage.getNumY();
            BufferedImage bufferedImage = getImage(colorModel, zBuf, width, height);
            ImageIcon theImageIcon = new ImageIcon(bufferedImage.getScaledInstance(REAL_SAMPLE_X, REAL_SAMPLE_Y, Image.SCALE_AREA_AVERAGING));
            brightG2D.drawImage(theImageIcon.getImage(), 0, 0, theImageIcon.getImageObserver());
        }
        int[] rgb = brightImage.getRGB(0, 0, REAL_SAMPLE_X, REAL_SAMPLE_Y, null, 0, REAL_SAMPLE_X);
        return new ThumbnailImage(rgb, REAL_SAMPLE_X, REAL_SAMPLE_Y, brightImage);
    }
    return null;
}