Java Code Examples for java.awt.image.DataBufferByte.getData()

The following are Jave code examples for showing how to use getData() of the java.awt.image.DataBufferByte class. You can vote up the examples you like. Your votes will be used in our system to get more good examples.
Example 1
Project: AquamarineLake   File: DrawPanel.java   Source Code and License Vote up 5 votes
public BufferedImage matToBufferedImage(Mat mat) {

        if (mat.height() > 0 && mat.width() > 0) {
            BufferedImage image = new BufferedImage(mat.width(), mat.height(), BufferedImage.TYPE_3BYTE_BGR);
            WritableRaster raster = image.getRaster();
            DataBufferByte dataBuffer = (DataBufferByte) raster.getDataBuffer();
            byte[] data = dataBuffer.getData();
            mat.get(0, 0, data);
            return image;
        }
        return null;
    }
 
Example 2
Project: AquamarineLake   File: DrawPanel.java   Source Code and License Vote up 5 votes
public BufferedImage bufferedImage(Mat mat) {

        if (mat.height() > 0 && mat.width() > 0) {
            BufferedImage image = new BufferedImage(mat.width(), mat.height(), BufferedImage.TYPE_3BYTE_BGR);
            WritableRaster raster = image.getRaster();
            DataBufferByte dataBuffer = (DataBufferByte) raster.getDataBuffer();
            byte[] data = dataBuffer.getData();
            mat.get(0, 0, data);
            return image;
        }
        return null;
    }
 
Example 3
Project: Pixie   File: Utils.java   Source Code and License Vote up 5 votes
/**
 * Obtains the data from the raster of the given image as a byte array.
 *
 * @param image The image
 * @return The image data
 * @throws IllegalArgumentException If the given image is not backed by a
 * DataBufferByte. Usually, only BufferedImages of with the types
 * BufferedImage.TYPE_BYTE_* have a DataBufferByte
 */
public static byte[] getByteData(BufferedImage image) {
    DataBuffer dataBuffer = image.getRaster().getDataBuffer();
    if (!(dataBuffer instanceof DataBufferByte)) {
        throw new IllegalArgumentException(
                "Image does not contain a DataBufferByte");
    }
    DataBufferByte dataBufferByte = (DataBufferByte) dataBuffer;
    byte data[] = dataBufferByte.getData();
    return data;
}
 
Example 4
Project: rcom   File: VideoStreamProcessor.java   Source Code and License Vote up 5 votes
protected void readFrames(InputStream inputStream) {
	try {
		long t0=System.currentTimeMillis()-1; // -1: Avoid div by zero in very fast cases
		while(true)
		{
			BufferedImage im=frames[writePtr];
			DataBufferByte b=(DataBufferByte)im.getRaster().getDataBuffer();
			byte[] data=b.getData();
			int at=0;
			while(at<data.length)
			{
				int n=inputStream.read(data, at, data.length-at);
				if(n<0)
				{
					throw new EOFException();
				}
				at+=n;
			}
			nRead++;
			writePtr++;
			writePtr%=frames.length;
			long t=System.currentTimeMillis();
			fps=((double)nRead)/(t-t0)*1000;
		}
	} catch (Exception e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
}
 
Example 5
Project: Image-Stegano   File: ImageUtility.java   Source Code and License Vote up 4 votes
/**
 * @param userSpaceImage
 * @return byte array of supplied image
 */
public byte[] getByteData(BufferedImage userSpaceImage) {
    WritableRaster raster = userSpaceImage.getRaster();
    DataBufferByte buffer = (DataBufferByte) raster.getDataBuffer();
    return buffer.getData();
}
 
Example 6
Project: OpenJSharp   File: WDataTransferer.java   Source Code and License Vote up 4 votes
@Override
protected byte[] imageToPlatformBytes(Image image, long format)
        throws IOException {
    String mimeType = null;
    if (format == CF_PNG) {
        mimeType = "image/png";
    } else if (format == CF_JFIF) {
        mimeType = "image/jpeg";
    }
    if (mimeType != null) {
        return imageToStandardBytes(image, mimeType);
    }

    int width = 0;
    int height = 0;

    if (image instanceof ToolkitImage) {
        ImageRepresentation ir = ((ToolkitImage)image).getImageRep();
        ir.reconstruct(ImageObserver.ALLBITS);
        width = ir.getWidth();
        height = ir.getHeight();
    } else {
        width = image.getWidth(null);
        height = image.getHeight(null);
    }

    // Fix for 4919639.
    // Some Windows native applications (e.g. clipbrd.exe) do not handle
    // 32-bpp DIBs correctly.
    // As a workaround we switched to 24-bpp DIBs.
    // MSDN prescribes that the bitmap array for a 24-bpp should consist of
    // 3-byte triplets representing blue, green and red components of a
    // pixel respectively. Additionally each scan line must be padded with
    // zeroes to end on a LONG data-type boundary. LONG is always 32-bit.
    // We render the given Image to a BufferedImage of type TYPE_3BYTE_BGR
    // with non-default scanline stride and pass the resulting data buffer
    // to the native code to fill the BITMAPINFO structure.
    int mod = (width * 3) % 4;
    int pad = mod > 0 ? 4 - mod : 0;

    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    int[] nBits = {8, 8, 8};
    int[] bOffs = {2, 1, 0};
    ColorModel colorModel =
            new ComponentColorModel(cs, nBits, false, false,
                    Transparency.OPAQUE, DataBuffer.TYPE_BYTE);
    WritableRaster raster =
            Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, width, height,
                    width * 3 + pad, 3, bOffs, null);

    BufferedImage bimage = new BufferedImage(colorModel, raster, false, null);

    // Some Windows native applications (e.g. clipbrd.exe) do not understand
    // top-down DIBs.
    // So we flip the image vertically and create a bottom-up DIB.
    AffineTransform imageFlipTransform =
            new AffineTransform(1, 0, 0, -1, 0, height);

    Graphics2D g2d = bimage.createGraphics();

    try {
        g2d.drawImage(image, imageFlipTransform, null);
    } finally {
        g2d.dispose();
    }

    DataBufferByte buffer = (DataBufferByte)raster.getDataBuffer();

    byte[] imageData = buffer.getData();
    return imageDataToPlatformImageBytes(imageData, width, height, format);
}
 
Example 7
Project: jdk8u-jdk   File: WDataTransferer.java   Source Code and License Vote up 4 votes
@Override
protected byte[] imageToPlatformBytes(Image image, long format)
        throws IOException {
    String mimeType = null;
    if (format == CF_PNG) {
        mimeType = "image/png";
    } else if (format == CF_JFIF) {
        mimeType = "image/jpeg";
    }
    if (mimeType != null) {
        return imageToStandardBytes(image, mimeType);
    }

    int width = 0;
    int height = 0;

    if (image instanceof ToolkitImage) {
        ImageRepresentation ir = ((ToolkitImage)image).getImageRep();
        ir.reconstruct(ImageObserver.ALLBITS);
        width = ir.getWidth();
        height = ir.getHeight();
    } else {
        width = image.getWidth(null);
        height = image.getHeight(null);
    }

    // Fix for 4919639.
    // Some Windows native applications (e.g. clipbrd.exe) do not handle
    // 32-bpp DIBs correctly.
    // As a workaround we switched to 24-bpp DIBs.
    // MSDN prescribes that the bitmap array for a 24-bpp should consist of
    // 3-byte triplets representing blue, green and red components of a
    // pixel respectively. Additionally each scan line must be padded with
    // zeroes to end on a LONG data-type boundary. LONG is always 32-bit.
    // We render the given Image to a BufferedImage of type TYPE_3BYTE_BGR
    // with non-default scanline stride and pass the resulting data buffer
    // to the native code to fill the BITMAPINFO structure.
    int mod = (width * 3) % 4;
    int pad = mod > 0 ? 4 - mod : 0;

    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    int[] nBits = {8, 8, 8};
    int[] bOffs = {2, 1, 0};
    ColorModel colorModel =
            new ComponentColorModel(cs, nBits, false, false,
                    Transparency.OPAQUE, DataBuffer.TYPE_BYTE);
    WritableRaster raster =
            Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, width, height,
                    width * 3 + pad, 3, bOffs, null);

    BufferedImage bimage = new BufferedImage(colorModel, raster, false, null);

    // Some Windows native applications (e.g. clipbrd.exe) do not understand
    // top-down DIBs.
    // So we flip the image vertically and create a bottom-up DIB.
    AffineTransform imageFlipTransform =
            new AffineTransform(1, 0, 0, -1, 0, height);

    Graphics2D g2d = bimage.createGraphics();

    try {
        g2d.drawImage(image, imageFlipTransform, null);
    } finally {
        g2d.dispose();
    }

    DataBufferByte buffer = (DataBufferByte)raster.getDataBuffer();

    byte[] imageData = buffer.getData();
    return imageDataToPlatformImageBytes(imageData, width, height, format);
}
 
Example 8
Project: openjdk-jdk10   File: WDataTransferer.java   Source Code and License Vote up 4 votes
@Override
protected byte[] imageToPlatformBytes(Image image, long format)
        throws IOException {
    String mimeType = null;
    if (format == CF_PNG) {
        mimeType = "image/png";
    } else if (format == CF_JFIF) {
        mimeType = "image/jpeg";
    }
    if (mimeType != null) {
        return imageToStandardBytes(image, mimeType);
    }

    int width = 0;
    int height = 0;

    if (image instanceof ToolkitImage) {
        ImageRepresentation ir = ((ToolkitImage)image).getImageRep();
        ir.reconstruct(ImageObserver.ALLBITS);
        width = ir.getWidth();
        height = ir.getHeight();
    } else {
        width = image.getWidth(null);
        height = image.getHeight(null);
    }

    // Fix for 4919639.
    // Some Windows native applications (e.g. clipbrd.exe) do not handle
    // 32-bpp DIBs correctly.
    // As a workaround we switched to 24-bpp DIBs.
    // MSDN prescribes that the bitmap array for a 24-bpp should consist of
    // 3-byte triplets representing blue, green and red components of a
    // pixel respectively. Additionally each scan line must be padded with
    // zeroes to end on a LONG data-type boundary. LONG is always 32-bit.
    // We render the given Image to a BufferedImage of type TYPE_3BYTE_BGR
    // with non-default scanline stride and pass the resulting data buffer
    // to the native code to fill the BITMAPINFO structure.
    int mod = (width * 3) % 4;
    int pad = mod > 0 ? 4 - mod : 0;

    ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
    int[] nBits = {8, 8, 8};
    int[] bOffs = {2, 1, 0};
    ColorModel colorModel =
            new ComponentColorModel(cs, nBits, false, false,
                    Transparency.OPAQUE, DataBuffer.TYPE_BYTE);
    WritableRaster raster =
            Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, width, height,
                    width * 3 + pad, 3, bOffs, null);

    BufferedImage bimage = new BufferedImage(colorModel, raster, false, null);

    // Some Windows native applications (e.g. clipbrd.exe) do not understand
    // top-down DIBs.
    // So we flip the image vertically and create a bottom-up DIB.
    AffineTransform imageFlipTransform =
            new AffineTransform(1, 0, 0, -1, 0, height);

    Graphics2D g2d = bimage.createGraphics();

    try {
        g2d.drawImage(image, imageFlipTransform, null);
    } finally {
        g2d.dispose();
    }

    DataBufferByte buffer = (DataBufferByte)raster.getDataBuffer();

    byte[] imageData = buffer.getData();
    return imageDataToPlatformImageBytes(imageData, width, height, format);
}
 
Example 9
Project: Crypto   File: Steganography.java   Source Code and License Vote up 4 votes
private byte[] get_byte_data(BufferedImage image)
{
        WritableRaster raster   = image.getRaster();
        DataBufferByte buffer = (DataBufferByte)raster.getDataBuffer();
        return buffer.getData();
}