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

Example 71 with ImageWriter

use of javax.imageio.ImageWriter in project imageio-ext by geosolutions-it.

the class JP2KKakaduWriteTest method testOutputStream.

public void testOutputStream() throws IOException {
    if (!isKakaduAvailable) {
        LOGGER.warning("Kakadu libs not found: test are skipped ");
        return;
    }
    final File outFile = File.createTempFile("stream", "temp");
    final FileImageOutputStream stream = new FileImageOutputStream(outFile);
    stream.writeBytes("This is an Image Header written before the j2c raw codestream");
    final ImageReader reader = new BMPImageReaderSpi().createReaderInstance();
    final File file = TestData.file(this, "RGB24.bmp");
    reader.setInput(ImageIO.createImageInputStream(file));
    BufferedImage bi = reader.read(0);
    final ImageWriter writer = new JP2KKakaduImageWriterSpi().createWriterInstance();
    JP2KKakaduImageWriteParam param = new JP2KKakaduImageWriteParam();
    param.setQuality(0.8);
    param.setWriteCodeStreamOnly(true);
    writer.setOutput(stream);
    writer.write(null, new IIOImage(bi, null, null), param);
    writer.dispose();
    LOGGER.info(writeOperations + " write operations performed");
}

Example 72 with ImageWriter

use of javax.imageio.ImageWriter in project imageio-ext by geosolutions-it.

the class NITFImageWriter method writeNITF.

/**
 * Do the real write operation (writing images, texts, ...)
 *
 * @param record
 * @param images
 * @param shp
 * @param fis
 * @param text
 * @return
 * @throws NITFException
 * @throws IOException
 */
private boolean writeNITF(final Record record, final List<ImageWrapper> images, final ShapeFileWrapper shp, final FileImageInputStreamExt fis, final List<TextWrapper> texts) throws NITFException, IOException {
    final int numImages = images.size();
    ImageWrapper image = images.get(0);
    RenderedImage ri = image.getImage();
    WriteCompression compression = image.getCompression();
    int nBands = ri.getSampleModel().getNumBands();
    boolean written = false;
    Writer writer = new Writer();
    IOHandle handle = new IOHandle(outputFile.getCanonicalPath(), IOHandle.NITF_ACCESS_WRITEONLY, IOHandle.NITF_CREATE);
    byte[] shapeFileData = null;
    final boolean isJP2 = !(compression == WriteCompression.UNCOMPRESSED);
    if (shp != null) {
        shapeFileData = getShapeData(record, shp);
    }
    boolean prepared = false;
    if (isJP2) {
        // //
        // 
        // get the JP2 Codestream previously written with Kakadu and transfer its content within
        // the NITF imageSegment
        // 
        // //
        WriteHandler codeStream = null;
        IOInterface io;
        final int size = (int) fis.length();
        io = new IOFileInputStream(fis);
        writer.prepare(record, handle);
        if (shapeFileData != null) {
            writeData(shapeFileData, writer);
        }
        codeStream = new StreamIOWriteHandler(io, 0, size);
        writer.setImageWriteHandler(0, codeStream);
        prepared = true;
    }
    if (!isJP2 || numImages > 1) {
        if (!prepared) {
            writer.prepare(record, handle);
        }
        if (numImages == 1) {
            // setup a Writer
            if (shapeFileData != null) {
                writeData(shapeFileData, writer);
            }
            ImageSource imageSource = new ImageSource();
            nitf.ImageWriter imageWriter = writer.getNewImageWriter(0);
            boolean[] successes = new boolean[nBands];
            final boolean isMono = images.get(0).getImage().getSampleModel().getNumBands() == 1;
            if (isMono) {
                DataBufferByte dbb = (DataBufferByte) ri.getData().getDataBuffer();
                BandSource bs = new MemorySource(dbb.getData(), dbb.getSize(), 0, 0, 0);
                successes[0] = imageSource.addBand(bs);
            } else {
                for (int i = 0; i < nBands; i++) {
                    RenderedImage band = BandSelectDescriptor.create(ri, new int[] { i }, null);
                    DataBufferByte dbb = (DataBufferByte) band.getData().getDataBuffer();
                    BandSource bs = new MemorySource(dbb.getData(), dbb.getSize(), 0, 0, 0);
                    successes[i] = imageSource.addBand(bs);
                }
            }
            imageWriter.attachSource(imageSource);
        } else {
            ImageWrapper img = images.get(1);
            ri = img.getImage();
            nBands = ri.getSampleModel().getNumBands();
            ImageSource imageSource = new ImageSource();
            nitf.ImageWriter imageWriter2 = writer.getNewImageWriter(1);
            boolean[] successes = new boolean[nBands];
            DataBufferByte dbb = (DataBufferByte) ri.getData().getDataBuffer();
            BandSource bs = new MemorySource(dbb.getData(), dbb.getSize(), 0, 0, 0);
            successes[0] = imageSource.addBand(bs);
            imageWriter2.attachSource(imageSource);
        }
    }
    // Adding text
    if (texts != null && !texts.isEmpty()) {
        int i = 0;
        for (TextWrapper text : texts) {
            byte[] textContent = text.getTextContent();
            if (textContent != null) {
                SegmentWriter textWriter = writer.getNewTextWriter(i++);
                SegmentSource source = SegmentSource.makeSegmentMemorySource(textContent, textContent.length, 0, 0);
                textWriter.attachSource(source);
            }
        }
    }
    written = writer.write();
    if (handle != null) {
        handle.close();
    }
    return written;
}

Example 73 with ImageWriter

use of javax.imageio.ImageWriter in project digilib by robcast.

the class ImageLoaderDocuImage method writeImage.

/* 
     * (non-Javadoc)
     * @see digilib.image.DocuImageImpl#writeImage(java.lang.String, java.io.OutputStream)
     */
public void writeImage(String mt, OutputStream ostream) throws ImageOpException, FileOpException {
    logger.debug("writeImage");
    // setup output
    ImageWriter writer = null;
    ImageOutputStream imgout = null;
    try {
        imgout = ImageIO.createImageOutputStream(ostream);
        if (mt == "image/jpeg") {
            /*
                 * JPEG doesn't do transparency so we have to convert any RGBA
                 * image to RGB or we the client will think its CMYK :-( *Java2D
                 * BUG*
                 */
            if (img.getColorModel().hasAlpha()) {
                logger.debug("BARF: JPEG with transparency!!");
                BufferedImage rgbImg = new BufferedImage(img.getWidth(), img.getHeight(), BufferedImage.TYPE_INT_RGB);
                rgbImg.createGraphics().drawImage(img, null, 0, 0);
                img = rgbImg;
            }
            writer = ImageIO.getImageWritersByFormatName("jpeg").next();
            if (writer == null) {
                throw new ImageOpException("Unable to get JPEG writer");
            }
            ImageWriteParam param = writer.getDefaultWriteParam();
            if (quality > 1) {
                // change JPEG compression quality
                param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
                param.setCompressionQuality(0.9f);
            }
            writer.setOutput(imgout);
            // render output
            logger.debug("writing JPEG");
            writer.write(null, new IIOImage(img, null, null), param);
        } else if (mt == "image/png") {
            // render output
            writer = ImageIO.getImageWritersByFormatName("png").next();
            if (writer == null) {
                throw new ImageOpException("Unable to get PNG writer");
            }
            writer.setOutput(imgout);
            logger.debug("writing PNG");
            writer.write(img);
        } else {
            // unknown mime type
            throw new ImageOpException("Unknown mime type: " + mt);
        }
    } catch (IOException e) {
        logger.error("Error writing image:", e);
        throw new FileOpException("Error writing image!", e);
    } finally {
        if (writer != null) {
            writer.dispose();
        }
        if (imgout != null) {
            /* 
        		 * ImageOutputStream likes to keep ServletOutputStream and close it when disposed.
        		 * Thanks to Tom Van Wietmarschen's mail to tomcat-users on July 4, 2008!
        		 */
            try {
                imgout.close();
            } catch (IOException e) {
                logger.error("Error closing ImageOutputStream!", e);
            }
        }
    }
}

Example 74 with ImageWriter

use of javax.imageio.ImageWriter in project ChatGameFontificator by GlitchCog.

the class AnimatedGifUtil method loadDittoAnimatedGif.

/**
 * Fix (ditto) for Java's animated GIF interpretation
 *
 * Adapted from http://stackoverflow.com/questions/26801433/fix-frame-rate-of-animated-gif-in-java#answer-26829534
 *
 * @param url
 *            The URL for the animated GIF to be loaded
 * @param dim
 *            The dimension object to be filled by the width and height of the loaded animated GIF
 * @return The loaded animated GIF
 * @throws Exception
 */
public static Image loadDittoAnimatedGif(final URL url, Dimension dim) {
    final Image dimImage = new ImageIcon(url).getImage();
    Image image = null;
    try {
        ImageReader gifReader = ImageIO.getImageReadersByFormatName(GIF_EXTENSION).next();
        InputStream imageStream = url.openStream();
        gifReader.setInput(ImageIO.createImageInputStream(imageStream));
        IIOMetadata imageMetaData = gifReader.getImageMetadata(0);
        String metaFormatName = imageMetaData.getNativeMetadataFormatName();
        final int frameCount = gifReader.getNumImages(true);
        ByteArrayOutputStream baoStream = new ByteArrayOutputStream();
        ImageOutputStream ios = ImageIO.createImageOutputStream(baoStream);
        ImageWriter writer = ImageIO.getImageWriter(gifReader);
        writer.setOutput(ios);
        writer.prepareWriteSequence(null);
        final int imgWidth = dimImage.getWidth(null);
        final int imgHeight = dimImage.getHeight(null);
        dim.setSize(imgWidth, imgHeight);
        for (int i = 0; i < frameCount; i++) {
            // This read method takes into account the frame's top and left coordinates
            BufferedImage frame = gifReader.read(i);
            IIOMetadataNode nodes = (IIOMetadataNode) gifReader.getImageMetadata(i).getAsTree(metaFormatName);
            for (int j = 0; j < nodes.getLength(); j++) {
                IIOMetadataNode node = (IIOMetadataNode) nodes.item(j);
                if (GRAPHIC_CTRL_EXT.equalsIgnoreCase(node.getNodeName())) {
                    int delay = Integer.parseInt(node.getAttribute(ATTRIBUTE_DELAY_TIME));
                    // Minimum delay for browsers, which delay animated GIFs much more than would be to spec
                    if (delay < MIN_ANI_GIF_DELAY) {
                        node.setAttribute(ATTRIBUTE_DELAY_TIME, Integer.toString(MIN_ANI_GIF_DELAY));
                    }
                    // at least not for BTTV's (ditto)
                    if (node.getAttribute(ATTRIBUTE_DISPOSAL_METHOD).equals(DISPOSE_RESTORE_TO_PREVIOUS)) {
                        node.setAttribute(ATTRIBUTE_DISPOSAL_METHOD, DISPOSE_RESTORE_TO_BGCOLOR);
                    }
                }
            }
            IIOMetadata metadata = writer.getDefaultImageMetadata(new ImageTypeSpecifier(frame), null);
            metadata.setFromTree(metadata.getNativeMetadataFormatName(), nodes);
            // This modified frame is necessary to get the correct image placement, width, and height in the final GIF
            BufferedImage frameMod = new BufferedImage(imgWidth, imgHeight, BufferedImage.TYPE_INT_ARGB);
            Graphics big = frameMod.getGraphics();
            big.drawImage(frame, 0, 0, null);
            IIOImage fixedFrame = new IIOImage(frameMod, null, metadata);
            writer.writeToSequence(fixedFrame, writer.getDefaultWriteParam());
        }
        writer.endWriteSequence();
        if (ios != null) {
            ios.close();
        }
        image = Toolkit.getDefaultToolkit().createImage(baoStream.toByteArray());
    } catch (Exception e) {
        // If anything goes wrong, just load it normally
        logger.error("Error loading animated GIF (ditto) from " + url, e);
        image = new ImageIcon(url).getImage();
        dim.setSize(image.getWidth(null), image.getHeight(null));
    }
    return image;
}

Example 75 with ImageWriter

use of javax.imageio.ImageWriter in project ChatGameFontificator by GlitchCog.

the class ControlWindow method saveScreenshot.

/**
 * Takes and saves a screenshot of the current chat window
 *
 * @return whether the screenshot was saved
 */
private boolean saveScreenshot() {
    // Take the screenshot before the save file chooser is shown
    ChatPanel chat = chatWindow.getChatPanel();
    BufferedImage chatImage = new BufferedImage(chat.getWidth(), chat.getHeight(), screenshotOptions.isTransparencyEnabled() ? BufferedImage.TYPE_INT_ARGB : BufferedImage.TYPE_INT_RGB);
    Graphics chatGraphics = chatImage.getGraphics();
    chat.paint(chatGraphics);
    final boolean chromaEnabled = Boolean.toString(true).equalsIgnoreCase(fProps.getProperty(FontificatorProperties.KEY_CHAT_CHROMA_ENABLED));
    if (screenshotOptions.isTransparencyEnabled() && chromaEnabled) {
        final int chromaKey = new Color(Integer.parseInt(fProps.getProperty(FontificatorProperties.KEY_COLOR_CHROMA_KEY), 16)).getRGB();
        final int transparentPixel = new Color(0, true).getRGB();
        for (int r = 0; r < chatImage.getHeight(); r++) {
            for (int c = 0; c < chatImage.getWidth(); c++) {
                if (chatImage.getRGB(c, r) == chromaKey) {
                    chatImage.setRGB(c, r, transparentPixel);
                }
            }
        }
    }
    File saveFile = getTargetSaveFile(screenshotSaver, DEFAULT_SCREENSHOT_FILE_EXTENSION);
    if (saveFile != null) {
        try {
            if (screenshotOptions.isMetadataEnabled()) {
                ImageWriter writer = ImageIO.getImageWritersByFormatName("PNG").next();
                ImageOutputStream stream = ImageIO.createImageOutputStream(saveFile);
                writer.setOutput(stream);
                IIOMetadata metadata = writer.getDefaultImageMetadata(ImageTypeSpecifier.createFromRenderedImage(chatImage), writer.getDefaultWriteParam());
                IIOMetadataNode title = generateMetadataNode("Title", "CGF Screenshot");
                IIOMetadataNode software = generateMetadataNode("Software", "Chat Game Fontificator");
                final String fontGameName = ControlPanelFont.getFontGameName(fProps.getProperty(FontificatorProperties.KEY_FONT_FILE_FONT));
                final String borderGameName = ControlPanelFont.getBorderGameName(fProps.getProperty(FontificatorProperties.KEY_FONT_FILE_BORDER));
                IIOMetadataNode description = generateMetadataNode("Description", fontGameName + " Font / " + borderGameName + " Border");
                IIOMetadataNode text = new IIOMetadataNode("tEXt");
                text.appendChild(title);
                text.appendChild(software);
                text.appendChild(description);
                final String metadataFormatStr = "javax_imageio_png_1.0";
                IIOMetadataNode root = new IIOMetadataNode(metadataFormatStr);
                root.appendChild(text);
                metadata.mergeTree(metadataFormatStr, root);
                writer.write(metadata, new IIOImage(chatImage, null, metadata), writer.getDefaultWriteParam());
                stream.close();
            } else {
                ImageIO.write(chatImage, "png", saveFile);
            }
            return true;
        } catch (Exception e) {
            logger.error("Unable to save screenshot", e);
            return false;
        }
    }
    return false;
}