Java Utililty Methods JPEG

List of utility methods to do JPEG

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Description

The list of methods to do JPEG are organized into topic(s).

Method

BufferedImagefixImageIOJpegBug(BufferedImage image)
fix Image IO Jpeg Bug 
int type = image.getType();
if (type != BufferedImage.TYPE_INT_RGB) {
    int width = image.getWidth();
    int height = image.getHeight();
    BufferedImage newImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    int[] pixels2 = ((DataBufferInt) image.getRaster().getDataBuffer()).getData();
    int[] pixels = image.getRGB(0, 0, width, height, null, 0, width);
    for (int i = 0; i < pixels.length; i++) {
...
BufferedImagejpeg2BufferedImage(final byte[] jpegImage, final boolean bw)
Convierte una imagen JPEG en una BufferedImage de AWT. 
final BufferedImage original = ImageIO.read(new ByteArrayInputStream(jpegImage));
if (!bw) {
    return original;
final BufferedImage binarized = new BufferedImage(original.getWidth(), original.getHeight(),
        BufferedImage.TYPE_BYTE_BINARY);
int newPixel;
final int threshold = 230;
...
byte[]jpegFromImage(BufferedImage image)
jpeg From Image 
ByteArrayOutputStream bos = new ByteArrayOutputStream(128000);
javax.imageio.ImageIO.write(image, "jpg", bos);
byte[] jpegBits = bos.toByteArray();
bos.close();
return jpegBits;
booleanpng2jpeg(File pngImage, File jpegFile)
pngjpeg 
BufferedImage bufferedImage;
try {
    bufferedImage = ImageIO.read(pngImage);
    BufferedImage newBufferedImage = new BufferedImage(bufferedImage.getWidth(), bufferedImage.getHeight(),
            BufferedImage.TYPE_INT_RGB);
    newBufferedImage.createGraphics().drawImage(bufferedImage, 0, 0, Color.WHITE, null);
    ImageIO.write(bufferedImage, "jpg", jpegFile);
    return true;
...