Examples with ImageWriter javax.imageio.ImageWriter used on opensource projects

Example 91 with ImageWriter

use of javax.imageio.ImageWriter in project jmonkeyengine by jMonkeyEngine.

the class JmeDesktopSystem method writeImageFile.

@Override
public void writeImageFile(OutputStream outStream, String format, ByteBuffer imageData, int width, int height) throws IOException {
    BufferedImage awtImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_BGR);
    Screenshots.convertScreenShot2(imageData.asIntBuffer(), awtImage);
    ImageWriter writer = ImageIO.getImageWritersByFormatName(format).next();
    ImageWriteParam writeParam = writer.getDefaultWriteParam();
    if (format.equals("jpg")) {
        JPEGImageWriteParam jpegParam = (JPEGImageWriteParam) writeParam;
        jpegParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        jpegParam.setCompressionQuality(0.95f);
    }
    awtImage = verticalFlip(awtImage);
    ImageOutputStream imgOut = new MemoryCacheImageOutputStream(outStream);
    writer.setOutput(imgOut);
    IIOImage outputImage = new IIOImage(awtImage, null, null);
    try {
        writer.write(null, outputImage, writeParam);
    } finally {
        imgOut.close();
        writer.dispose();
    }
}

Example 92 with ImageWriter

use of javax.imageio.ImageWriter in project jmonkeyengine by jMonkeyEngine.

the class MjpegFileWriter method writeImageToBytes.

public byte[] writeImageToBytes(Image image, float quality) throws Exception {
    BufferedImage bi;
    if (image instanceof BufferedImage && ((BufferedImage) image).getType() == BufferedImage.TYPE_INT_RGB) {
        bi = (BufferedImage) image;
    } else {
        bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics2D g = bi.createGraphics();
        g.drawImage(image, 0, 0, width, height, null);
    }
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageWriter imgWrtr = ImageIO.getImageWritersByFormatName("jpg").next();
    ImageOutputStream imgOutStrm = ImageIO.createImageOutputStream(baos);
    imgWrtr.setOutput(imgOutStrm);
    ImageWriteParam jpgWrtPrm = imgWrtr.getDefaultWriteParam();
    jpgWrtPrm.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
    jpgWrtPrm.setCompressionQuality(quality);
    imgWrtr.write(null, new IIOImage(bi, null, null), jpgWrtPrm);
    imgOutStrm.close();
    return baos.toByteArray();
}

Example 93 with ImageWriter

use of javax.imageio.ImageWriter in project screenbird by adamhub.

the class Frame method writeJPEG.

/** Writes a JPEG image to a given OutputStream
     * 
     * @param bi an image
     * @param quality the quality (between zero and one)
     * @return the amount of bytes written
     */
protected static long writeJPEG(OutputStream out, BufferedImage bi, float quality) throws IOException {
    MeasuredOutputStream mOut = new MeasuredOutputStream(out);
    MemoryCacheImageOutputStream iOut = null;
    iOut = new MemoryCacheImageOutputStream(mOut);
    ImageWriter iw = (ImageWriter) ImageIO.getImageWritersByMIMEType("image/jpeg").next();
    ImageWriteParam iwParam = iw.getDefaultWriteParam();
    iwParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
    iwParam.setCompressionQuality(quality);
    iw.setOutput(iOut);
    IIOImage img = new IIOImage(bi, null, null);
    iw.write(null, img, iwParam);
    return mOut.getBytesWritten();
}

Example 94 with ImageWriter

use of javax.imageio.ImageWriter in project spring-framework by spring-projects.

the class BufferedImageHttpMessageConverter method writeInternal.

private void writeInternal(BufferedImage image, MediaType contentType, OutputStream body) throws IOException, HttpMessageNotWritableException {
    ImageOutputStream imageOutputStream = null;
    ImageWriter imageWriter = null;
    try {
        Iterator<ImageWriter> imageWriters = ImageIO.getImageWritersByMIMEType(contentType.toString());
        if (imageWriters.hasNext()) {
            imageWriter = imageWriters.next();
            ImageWriteParam iwp = imageWriter.getDefaultWriteParam();
            process(iwp);
            imageOutputStream = createImageOutputStream(body);
            imageWriter.setOutput(imageOutputStream);
            imageWriter.write(null, new IIOImage(image, null, null), iwp);
        } else {
            throw new HttpMessageNotWritableException("Could not find javax.imageio.ImageWriter for Content-Type [" + contentType + "]");
        }
    } finally {
        if (imageWriter != null) {
            imageWriter.dispose();
        }
        if (imageOutputStream != null) {
            try {
                imageOutputStream.close();
            } catch (IOException ex) {
            // ignore
            }
        }
    }
}

Example 95 with ImageWriter

use of javax.imageio.ImageWriter in project adempiere by adempiere.

the class ScreenShot method createJPEG.

/**
	 * 	Create JPEG file from window
	 * 	@param window window
	 * 	@param fileName optional file name
	 * 	@return true if created
	 */
public static boolean createJPEG(Window window, String fileName) {
    BufferedImage bi = null;
    if (window == null || fileName == null)
        new IllegalArgumentException("ScreenShot.createJPEG Window os NULL");
    //	Get File
    File file = getJPGFile(window);
    if (file == null)
        return false;
    log.config("File=" + file);
    if (file.exists())
        file.delete();
    //	Get Writer
    Iterator writers = ImageIO.getImageWritersByFormatName("jpg");
    ImageWriter writer = (ImageWriter) writers.next();
    if (writer == null) {
        log.log(Level.SEVERE, "no ImageWriter");
        return false;
    }
    //	Get Image
    try {
        Thread.sleep(1000);
        bi = getImage(window);
    } catch (InterruptedException ex) {
        log.log(Level.SEVERE, "ex", ex);
    }
    //	Write Image
    try {
        ImageOutputStream ios = ImageIO.createImageOutputStream(file);
        writer.setOutput(ios);
        writer.write(bi);
        ios.flush();
        ios.close();
    } catch (IOException ex) {
        log.log(Level.SEVERE, "ex", ex);
        return false;
    }
    return true;
}