Examples with IndexColorModel java.awt.image.IndexColorModel used on opensource projects

Example 66 with IndexColorModel

use of java.awt.image.IndexColorModel in project vcell by virtualcell.

the class VFrap_OverlayEditorPanelJAI method createHighlightImageFromROI.

/**
 * Method createHighlightImageFromROI.
 * @return BufferedImage
 */
private BufferedImage createHighlightImageFromROI() {
    int[] cmap = new int[256];
    // colormap (grayscale)
    for (int i = 0; i < 256; i += 1) {
        if (i != 0) {
            cmap[i] = 0xFF000000 | highlightColor.getRGB();
        } else {
            cmap[1] = 0xFF000000;
        }
    }
    IndexColorModel indexColorModel = new java.awt.image.IndexColorModel(8, cmap.length, cmap, 0, false, /*false means NOT USE alpha*/
    -1, /*NO transparent single pixel*/
    java.awt.image.DataBuffer.TYPE_BYTE);
    UShortImage roiImage = roi.getRoiImages()[getRoiImageIndex()];
    int width = roiImage.getNumX();
    int height = roiImage.getNumY();
    BufferedImage hiLiteImage = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_INDEXED, indexColorModel);
    byte[] hiLiteArr = ((DataBufferByte) hiLiteImage.getRaster().getDataBuffer()).getData();
    for (int i = 0; i < roiImage.getPixels().length; i++) {
        hiLiteArr[i] = (roiImage.getPixels()[i] != 0 ? (byte) highlightColor.getRed() : 0);
    }
    return hiLiteImage;
}

Example 67 with IndexColorModel

use of java.awt.image.IndexColorModel in project vcell by virtualcell.

the class VFrap_OverlayEditorPanelJAI method createUnderlyingImage.

/**
 * Method createUnderlyingImage.
 * @param image UShortImage
 * @return BufferedImage
 */
private BufferedImage createUnderlyingImage(UShortImage image) {
    int[] cmap = new int[256];
    // colormap (grayscale)
    for (int i = 0; i < 256; i += 1) {
        int iv = (0x000000FF & i);
        cmap[i] = 0xFF000000 | iv << 16 | iv << 8 | i;
    }
    IndexColorModel indexColorModel = new java.awt.image.IndexColorModel(8, cmap.length, cmap, 0, false, /*false means NOT USE alpha*/
    -1, /*NO transparent single pixel*/
    java.awt.image.DataBuffer.TYPE_BYTE);
    int width = image.getNumX();
    int height = image.getNumY();
    ImageStatistics imageStats = image.getImageStatistics();
    short[] pixels = image.getPixels();
    BufferedImage underImage = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_INDEXED, indexColorModel);
    byte[] byteData = ((DataBufferByte) underImage.getRaster().getDataBuffer()).getData();
    for (int i = 0; i < byteData.length; i++) {
        byteData[i] = (imageStats.maxValue < SHORT_TO_BYTE_FACTOR ? (byte) pixels[i] : (byte) (((pixels[i] & 0x0000FFFF)) / SHORT_TO_BYTE_FACTOR));
    }
    return underImage;
}

Example 68 with IndexColorModel

use of java.awt.image.IndexColorModel in project vcell by virtualcell.

the class NativeImage method createRGBAPixels.

/**
 * This method was created in VisualAge.
 * @return int[]
 */
private int[] createRGBAPixels() throws Exception {
    createPixels();
    if (newRGBAPixels != null) {
        return newRGBAPixels;
    }
    // Get rgb colors from index color pixels
    IndexColorModel colorModel = getIndexColorModel();
    int[] tryRGBAPixels = new int[newIndexPixels.length];
    for (int c = 0; c < tryRGBAPixels.length; c += 1) {
        tryRGBAPixels[c] = colorModel.getRGB((int) (0xFF & newIndexPixels[c]));
    }
    newRGBAPixels = tryRGBAPixels;
    return newRGBAPixels;
}

Example 69 with IndexColorModel

use of java.awt.image.IndexColorModel in project vcell by virtualcell.

the class NativeImage method createPixels.

/**
 * This method was created in VisualAge.
 * @return byte[]
 */
private void createPixels() throws Exception {
    if (bPixelsExist()) {
        return;
    }
    PixelGrabber pg = new PixelGrabber(getJavaImage(), 0, 0, getSize().getX(), getSize().getX(), false);
    if (!pg.grabPixels()) {
        throw new Exception("Error getting pixels, status = " + pg.getStatus());
    }
    Object pixels = pg.getPixels();
    ColorModel colorModel = null;
    while (colorModel == null) {
        colorModel = pg.getColorModel();
    }
    if ((pixels instanceof int[]) && (colorModel instanceof DirectColorModel)) {
        newRGBAPixels = (int[]) pixels;
    } else if ((pixels instanceof byte[]) && (colorModel instanceof IndexColorModel)) {
        newIndexPixels = (byte[]) pixels;
        IndexColorModel indexColorModel = (IndexColorModel) colorModel;
        int colorMapSize = indexColorModel.getMapSize();
        byte[] temp_colorMap = new byte[colorMapSize * IndexColorMap.RGB_PACK_SIZE];
        byte[] reds = new byte[colorMapSize];
        indexColorModel.getReds(reds);
        byte[] greens = new byte[colorMapSize];
        indexColorModel.getGreens(greens);
        byte[] blues = new byte[colorMapSize];
        indexColorModel.getBlues(blues);
        for (int c = 0; c < colorMapSize; c += 1) {
            // make packed R,G,B array for ColorIndexModel
            int packCount = c * IndexColorMap.RGB_PACK_SIZE;
            temp_colorMap[packCount] = reds[c];
            temp_colorMap[packCount + 1] = greens[c];
            temp_colorMap[packCount + 2] = blues[c];
        }
        colorMap = new IndexColorMap(temp_colorMap);
    } else {
        throw new Exception("Unknown combination of data type=" + pixels.getClass().toString() + " and ColorModel=" + colorModel.getClass().toString());
    }
}

Example 70 with IndexColorModel

use of java.awt.image.IndexColorModel 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;
}