Examples with PaletteData org.eclipse.swt.graphics.PaletteData used on opensource projects

Example 56 with PaletteData

use of org.eclipse.swt.graphics.PaletteData in project hale by halestudio.

the class SwingRCPUtilities method convertToSWT.

/**
 * Convert a {@link BufferedImage} to a SWT Image.
 *
 * {@link "http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet156.java?view=co"}
 *
 * @param bufferedImage the AWT {@link BufferedImage}
 * @return the SWT {@link ImageData}
 */
public 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);
                // also set the alpha value (ST)
                data.setAlpha(x, y, colorModel.getAlpha(rgb));
            }
        }
        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 57 with PaletteData

use of org.eclipse.swt.graphics.PaletteData in project hale by halestudio.

the class SwingRcpUtilities method convertToAWT.

/**
 * Convert a SWT Image to a {@link BufferedImage}
 *
 * {@link "http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet156.java?view=co"}
 *
 * @param data the SWT {@link ImageData}
 * @return the AWT {@link BufferedImage}
 */
public 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 58 with PaletteData

use of org.eclipse.swt.graphics.PaletteData in project pentaho-kettle by pentaho.

the class SwtUniversalImage method swing2swt.

/**
 * Converts BufferedImage to SWT/Image with alpha channel.
 */
protected Image swing2swt(Device device, BufferedImage img) {
    PaletteData palette = new PaletteData(0xFF0000, 0xFF00, 0xFF);
    ImageData data = new ImageData(img.getWidth(), img.getHeight(), 32, palette);
    for (int y = 0; y < data.height; y++) {
        for (int x = 0; x < data.width; x++) {
            int rgba = img.getRGB(x, y);
            int rgb = palette.getPixel(new RGB((rgba >> 16) & 0xFF, (rgba >> 8) & 0xFF, rgba & 0xFF));
            int a = (rgba >> 24) & 0xFF;
            data.setPixel(x, y, rgb);
            data.setAlpha(x, y, a);
        }
    }
    return new Image(device, data);
}

Example 59 with PaletteData

use of org.eclipse.swt.graphics.PaletteData in project pentaho-kettle by pentaho.

the class PrintSpool method getPaletteData.

public PaletteData getPaletteData() {
    switch(getDepth()) {
        case 1:
            palette = new PaletteData(new RGB[] { new RGB(0, 0, 0), new RGB(255, 255, 255) });
            break;
        default:
            palette = new PaletteData(0, 0, 0);
            palette.isDirect = true;
            break;
    }
    return palette;
}