Examples with IIOMetadataNode javax.imageio.metadata.IIOMetadataNode used on opensource projects

Example 6 with IIOMetadataNode

use of javax.imageio.metadata.IIOMetadataNode in project ChatGameFontificator by GlitchCog.

the class ControlWindow method generateMetadataNode.

private IIOMetadataNode generateMetadataNode(String key, String value) {
    IIOMetadataNode node = new IIOMetadataNode("tEXtEntry");
    node.setAttribute("keyword", key);
    node.setAttribute("value", value);
    return node;
}

Example 7 with IIOMetadataNode

use of javax.imageio.metadata.IIOMetadataNode 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 8 with IIOMetadataNode

use of javax.imageio.metadata.IIOMetadataNode in project jdk8u_jdk by JetBrains.

the class GIFImageMetadata method getStandardTextNode.

// Document not in image
public IIOMetadataNode getStandardTextNode() {
    if (comments == null) {
        return null;
    }
    Iterator commentIter = comments.iterator();
    if (!commentIter.hasNext()) {
        return null;
    }
    IIOMetadataNode text_node = new IIOMetadataNode("Text");
    // scratch node
    IIOMetadataNode node = null;
    while (commentIter.hasNext()) {
        byte[] comment = (byte[]) commentIter.next();
        String s = null;
        try {
            s = new String(comment, "ISO-8859-1");
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException("Encoding ISO-8859-1 unknown!");
        }
        node = new IIOMetadataNode("TextEntry");
        node.setAttribute("value", s);
        node.setAttribute("encoding", "ISO-8859-1");
        node.setAttribute("compression", "none");
        text_node.appendChild(node);
    }
    return text_node;
}

Example 9 with IIOMetadataNode

use of javax.imageio.metadata.IIOMetadataNode in project jdk8u_jdk by JetBrains.

the class GIFImageMetadata method getNativeTree.

private Node getNativeTree() {
    // scratch node
    IIOMetadataNode node;
    IIOMetadataNode root = new IIOMetadataNode(nativeMetadataFormatName);
    // Image descriptor
    node = new IIOMetadataNode("ImageDescriptor");
    node.setAttribute("imageLeftPosition", Integer.toString(imageLeftPosition));
    node.setAttribute("imageTopPosition", Integer.toString(imageTopPosition));
    node.setAttribute("imageWidth", Integer.toString(imageWidth));
    node.setAttribute("imageHeight", Integer.toString(imageHeight));
    node.setAttribute("interlaceFlag", interlaceFlag ? "TRUE" : "FALSE");
    root.appendChild(node);
    // Local color table
    if (localColorTable != null) {
        node = new IIOMetadataNode("LocalColorTable");
        int numEntries = localColorTable.length / 3;
        node.setAttribute("sizeOfLocalColorTable", Integer.toString(numEntries));
        node.setAttribute("sortFlag", sortFlag ? "TRUE" : "FALSE");
        for (int i = 0; i < numEntries; i++) {
            IIOMetadataNode entry = new IIOMetadataNode("ColorTableEntry");
            entry.setAttribute("index", Integer.toString(i));
            int r = localColorTable[3 * i] & 0xff;
            int g = localColorTable[3 * i + 1] & 0xff;
            int b = localColorTable[3 * i + 2] & 0xff;
            entry.setAttribute("red", Integer.toString(r));
            entry.setAttribute("green", Integer.toString(g));
            entry.setAttribute("blue", Integer.toString(b));
            node.appendChild(entry);
        }
        root.appendChild(node);
    }
    // Graphic control extension
    node = new IIOMetadataNode("GraphicControlExtension");
    node.setAttribute("disposalMethod", disposalMethodNames[disposalMethod]);
    node.setAttribute("userInputFlag", userInputFlag ? "TRUE" : "FALSE");
    node.setAttribute("transparentColorFlag", transparentColorFlag ? "TRUE" : "FALSE");
    node.setAttribute("delayTime", Integer.toString(delayTime));
    node.setAttribute("transparentColorIndex", Integer.toString(transparentColorIndex));
    root.appendChild(node);
    if (hasPlainTextExtension) {
        node = new IIOMetadataNode("PlainTextExtension");
        node.setAttribute("textGridLeft", Integer.toString(textGridLeft));
        node.setAttribute("textGridTop", Integer.toString(textGridTop));
        node.setAttribute("textGridWidth", Integer.toString(textGridWidth));
        node.setAttribute("textGridHeight", Integer.toString(textGridHeight));
        node.setAttribute("characterCellWidth", Integer.toString(characterCellWidth));
        node.setAttribute("characterCellHeight", Integer.toString(characterCellHeight));
        node.setAttribute("textForegroundColor", Integer.toString(textForegroundColor));
        node.setAttribute("textBackgroundColor", Integer.toString(textBackgroundColor));
        node.setAttribute("text", toISO8859(text));
        root.appendChild(node);
    }
    // Application extensions
    int numAppExtensions = applicationIDs == null ? 0 : applicationIDs.size();
    if (numAppExtensions > 0) {
        node = new IIOMetadataNode("ApplicationExtensions");
        for (int i = 0; i < numAppExtensions; i++) {
            IIOMetadataNode appExtNode = new IIOMetadataNode("ApplicationExtension");
            byte[] applicationID = (byte[]) applicationIDs.get(i);
            appExtNode.setAttribute("applicationID", toISO8859(applicationID));
            byte[] authenticationCode = (byte[]) authenticationCodes.get(i);
            appExtNode.setAttribute("authenticationCode", toISO8859(authenticationCode));
            byte[] appData = (byte[]) applicationData.get(i);
            appExtNode.setUserObject((byte[]) appData.clone());
            node.appendChild(appExtNode);
        }
        root.appendChild(node);
    }
    // Comment extensions
    int numComments = comments == null ? 0 : comments.size();
    if (numComments > 0) {
        node = new IIOMetadataNode("CommentExtensions");
        for (int i = 0; i < numComments; i++) {
            IIOMetadataNode commentNode = new IIOMetadataNode("CommentExtension");
            byte[] comment = (byte[]) comments.get(i);
            commentNode.setAttribute("value", toISO8859(comment));
            node.appendChild(commentNode);
        }
        root.appendChild(node);
    }
    return root;
}

Example 10 with IIOMetadataNode

use of javax.imageio.metadata.IIOMetadataNode in project jdk8u_jdk by JetBrains.

the class GIFImageMetadata method getStandardDimensionNode.

public IIOMetadataNode getStandardDimensionNode() {
    IIOMetadataNode dimension_node = new IIOMetadataNode("Dimension");
    // scratch node
    IIOMetadataNode node = null;
    // PixelAspectRatio not in image
    node = new IIOMetadataNode("ImageOrientation");
    node.setAttribute("value", "Normal");
    dimension_node.appendChild(node);
    // HorizontalPixelSize not in format
    // VerticalPixelSize not in format
    // HorizontalPhysicalPixelSpacing not in format
    // VerticalPhysicalPixelSpacing not in format
    // HorizontalPosition not in format
    // VerticalPosition not in format
    node = new IIOMetadataNode("HorizontalPixelOffset");
    node.setAttribute("value", Integer.toString(imageLeftPosition));
    dimension_node.appendChild(node);
    node = new IIOMetadataNode("VerticalPixelOffset");
    node.setAttribute("value", Integer.toString(imageTopPosition));
    dimension_node.appendChild(node);
    return dimension_node;
}