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

Example 46 with WritableRaster

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

the class OverlayEditorPanelJAI method createUnderlyingImage.

/**
 * Method createUnderlyingImage.
 * @param image UShortImage
 * @return BufferedImage
 */
private BufferedImage createUnderlyingImage(UShortImage image) {
    short[] pixels = image.getPixels();
    WritableRaster raster = greyIndexColorModel.createCompatibleWritableRaster(image.getNumX(), image.getNumY());
    byte[] byteData = ((DataBufferByte) raster.getDataBuffer()).getData();
    if (allPixelValuesRange.getScaleFactor() >= 1) {
        for (int i = 0; i < byteData.length; i++) {
            byteData[i] = (byte) (pixels[i] & 0x0000FFFF);
        }
    } else {
        for (int i = 0; i < byteData.length; i++) {
            byteData[i] = (byte) ((pixels[i] & 0x0000FFFF) * allPixelValuesRange.getScaleFactor());
        }
    }
    BufferedImage result = new BufferedImage(greyIndexColorModel, raster, false, null);
    return result;
}

Example 47 with WritableRaster

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

the class OverlayImageDisplayJAI method computeComposite.

private BufferedImage computeComposite(RenderedImage contrastEnhancedUnderlyingImage) {
    // Improve memory use by saving 1 composite image in hash and re-use if sizes don't change
    Rectangle imageSizeRect = new Rectangle(0, 0, contrastEnhancedUnderlyingImage.getWidth(), contrastEnhancedUnderlyingImage.getHeight());
    BufferedImage result = compositeHash.get(imageSizeRect);
    if (result == null) {
        compositeHash.clear();
        DirectColorModel dcm = new DirectColorModel(32, 0x00FF0000, 0x0000FF00, 0x000000FF);
        WritableRaster newOverlayRaster = dcm.createCompatibleWritableRaster(imageSizeRect.width, imageSizeRect.height);
        result = new BufferedImage(dcm, newOverlayRaster, false, null);
        compositeHash.put(imageSizeRect, result);
    }
    try {
        int[] newOverlayRasterInts = ((DataBufferInt) result.getRaster().getDataBuffer()).getData();
        byte[] contrastUnderlayBytes = ((DataBufferByte) contrastEnhancedUnderlyingImage.getData().getDataBuffer()).getData();
        byte[] roiBytes = (allROICompositeImage == null ? null : ((DataBufferByte) allROICompositeImage.getData().getDataBuffer()).getData());
        byte[] highlightBytes = (highlightImage == null ? null : ((DataBufferByte) highlightImage.getData().getDataBuffer()).getData());
        if (roiBytes != null && roiBytes.length != contrastUnderlayBytes.length) {
            return result;
        }
        if (highlightBytes != null && highlightBytes.length != contrastUnderlayBytes.length) {
            return result;
        }
        int index = 0;
        for (int Y = 0; Y < contrastEnhancedUnderlyingImage.getHeight(); Y++) {
            for (int X = 0; X < contrastEnhancedUnderlyingImage.getWidth(); X++) {
                // if(roiBytes[index] != 0){
                // System.out.println("X "+X+" Y "+Y+
                // " roi="+(0x000000FF&roiBytes[index])+
                // " under="+(underlayBytes[index]&0x000000FF)+
                // " color="+Hex.toString(blendARGB[roiBytes[index]&0x000000FF][underlayBytes[index]&0x000000FF]));
                // }
                newOverlayRasterInts[index] = blendARGB[(highlightBytes == null ? 0 : (highlightBytes[index] == 0 ? 0 : 1))][(roiBytes == null ? 0 : roiBytes[index] & 0x000000FF)][contrastUnderlayBytes[index] & 0x000000FF];
                index++;
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    // ignore, try to display what you have
    }
    return result;
}

Example 48 with WritableRaster

use of java.awt.image.WritableRaster in project yamcs-studio by yamcs.

the class AWT2SWTImageConverter method convertToSWT.

static ImageData convertToSWT(BufferedImage bufferedImage) {
    if (bufferedImage.getColorModel() instanceof DirectColorModel) {
        DirectColorModel colorModel = (DirectColorModel) bufferedImage.getColorModel();
        PaletteData palette = new PaletteData(colorModel.getRedMask(), colorModel.getGreenMask(), colorModel.getBlueMask());
        ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette);
        for (int y = 0; y < data.height; y++) {
            for (int x = 0; x < data.width; x++) {
                int rgb = bufferedImage.getRGB(x, y);
                int pixel = palette.getPixel(new RGB((rgb >> 16) & 0xFF, (rgb >> 8) & 0xFF, rgb & 0xFF));
                data.setPixel(x, y, pixel);
            }
        }
        return data;
    } else if (bufferedImage.getColorModel() instanceof IndexColorModel) {
        IndexColorModel colorModel = (IndexColorModel) bufferedImage.getColorModel();
        int size = colorModel.getMapSize();
        byte[] reds = new byte[size];
        byte[] greens = new byte[size];
        byte[] blues = new byte[size];
        colorModel.getReds(reds);
        colorModel.getGreens(greens);
        colorModel.getBlues(blues);
        RGB[] rgbs = new RGB[size];
        for (int i = 0; i < rgbs.length; i++) {
            rgbs[i] = new RGB(reds[i] & 0xFF, greens[i] & 0xFF, blues[i] & 0xFF);
        }
        PaletteData palette = new PaletteData(rgbs);
        ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette);
        data.transparentPixel = colorModel.getTransparentPixel();
        WritableRaster raster = bufferedImage.getRaster();
        int[] pixelArray = new int[1];
        for (int y = 0; y < data.height; y++) {
            for (int x = 0; x < data.width; x++) {
                raster.getPixel(x, y, pixelArray);
                data.setPixel(x, y, pixelArray[0]);
            }
        }
        return data;
    }
    return null;
}

Example 49 with WritableRaster

use of java.awt.image.WritableRaster in project yamcs-studio by yamcs.

the class AWT2SWTImageConverter method convertToAWT.

static BufferedImage convertToAWT(ImageData data) {
    ColorModel colorModel = null;
    PaletteData palette = data.palette;
    if (palette.isDirect) {
        colorModel = new DirectColorModel(data.depth, palette.redMask, palette.greenMask, palette.blueMask);
        BufferedImage bufferedImage = new BufferedImage(colorModel, colorModel.createCompatibleWritableRaster(data.width, data.height), false, null);
        for (int y = 0; y < data.height; y++) {
            for (int x = 0; x < data.width; x++) {
                int pixel = data.getPixel(x, y);
                RGB rgb = palette.getRGB(pixel);
                bufferedImage.setRGB(x, y, rgb.red << 16 | rgb.green << 8 | rgb.blue);
            }
        }
        return bufferedImage;
    } else {
        RGB[] rgbs = palette.getRGBs();
        byte[] red = new byte[rgbs.length];
        byte[] green = new byte[rgbs.length];
        byte[] blue = new byte[rgbs.length];
        for (int i = 0; i < rgbs.length; i++) {
            RGB rgb = rgbs[i];
            red[i] = (byte) rgb.red;
            green[i] = (byte) rgb.green;
            blue[i] = (byte) rgb.blue;
        }
        if (data.transparentPixel != -1) {
            colorModel = new IndexColorModel(data.depth, rgbs.length, red, green, blue, data.transparentPixel);
        } else {
            colorModel = new IndexColorModel(data.depth, rgbs.length, red, green, blue);
        }
        BufferedImage bufferedImage = new BufferedImage(colorModel, colorModel.createCompatibleWritableRaster(data.width, data.height), false, null);
        WritableRaster raster = bufferedImage.getRaster();
        int[] pixelArray = new int[1];
        for (int y = 0; y < data.height; y++) {
            for (int x = 0; x < data.width; x++) {
                int pixel = data.getPixel(x, y);
                pixelArray[0] = pixel;
                raster.setPixel(x, y, pixelArray);
            }
        }
        return bufferedImage;
    }
}

Example 50 with WritableRaster

use of java.awt.image.WritableRaster in project processdash by dtuma.

the class TeamMemberTimeCellRenderer method getGradient.

/** Construct a Paint that can be used to fade to the background color.
     */
protected Paint getGradient() {
    Color backgroundColor = getBackground();
    BufferedImage i = new BufferedImage(gradientWidth, 1, BufferedImage.TYPE_INT_ARGB);
    WritableRaster alpha = i.getAlphaRaster();
    for (int x = gradientWidth; x-- > 0; ) {
        i.setRGB(x, 0, backgroundColor.getRGB());
        double sample = gradientWidth - x;
        sample = sample / gradientWidth;
        sample = (1.0 - sample * sample) * 255;
        alpha.setSample(x, 0, 0, sample);
    }
    // to perform a quadratic fade instead of a linear fade.
    return new TexturePaint(i, new Rectangle(leftBorder, 0, gradientWidth, 1));
}