Examples with Image org.structr.web.entity.Image used on opensource projects

Example 6 with Image

use of org.structr.web.entity.Image in project structr by structr.

the class ImageHelper method getOrientation.

public static int getOrientation(final File originalImage) {
    try {
        final ExifIFD0Directory exifIFD0Directory = getMetadata(originalImage).getFirstDirectoryOfType(ExifIFD0Directory.class);
        if (exifIFD0Directory != null && exifIFD0Directory.hasTagName(ExifIFD0Directory.TAG_ORIENTATION)) {
            final Integer orientation = exifIFD0Directory.getInt(ExifIFD0Directory.TAG_ORIENTATION);
            originalImage.setProperty(StructrApp.key(Image.class, "orientation"), orientation);
            return orientation;
        }
    } catch (MetadataException | JSONException | FrameworkException ex) {
        logger.warn("Unable to store orientation information on image {} ({})", new Object[] { originalImage.getName(), originalImage.getId() });
    }
    return 1;
}

Example 7 with Image

use of org.structr.web.entity.Image in project structr by structr.

the class ImageHelper method createImageNode.

/**
 * Create a new image node from the given image data
 *
 * @param securityContext
 * @param imageData
 * @param contentType
 * @param imageType defaults to Image.class if null
 * @param name
 * @param markAsThumbnail
 * @return image
 * @throws FrameworkException
 * @throws IOException
 */
public static Image createImageNode(final SecurityContext securityContext, final byte[] imageData, final String contentType, final Class<? extends Image> imageType, final String name, final boolean markAsThumbnail) throws FrameworkException, IOException {
    final PropertyMap props = new PropertyMap();
    props.put(AbstractNode.type, imageType == null ? Image.class.getSimpleName() : imageType.getSimpleName());
    props.put(StructrApp.key(Image.class, "isThumbnail"), markAsThumbnail);
    props.put(AbstractNode.name, name);
    final Image newImage = StructrApp.getInstance(securityContext).create(imageType, props);
    if (imageData != null && imageData.length > 0) {
        setFileData(newImage, imageData, contentType);
    }
    return newImage;
}

Example 8 with Image

use of org.structr.web.entity.Image in project structr by structr.

the class ImageHelper method updateMetadata.

/**
 * Update width and height
 *
 * @param image the image
 * @param fis file input stream
 * @throws FrameworkException
 */
public static void updateMetadata(final File image, final InputStream fis) throws FrameworkException {
    try (final InputStream is = fis) {
        final BufferedImage source = ImageIO.read(is);
        if (source != null) {
            final int sourceWidth = source.getWidth();
            final int sourceHeight = source.getHeight();
            final PropertyMap map = new PropertyMap();
            map.put(StructrApp.key(Image.class, "width"), sourceWidth);
            map.put(StructrApp.key(Image.class, "height"), sourceHeight);
            map.put(StructrApp.key(Image.class, "orientation"), ImageHelper.getOrientation(image));
            image.setProperties(image.getSecurityContext(), map);
        }
    } catch (IOException ex) {
        logger.warn("Unable to read image data", ex);
    }
}

Example 9 with Image

use of org.structr.web.entity.Image in project structr by structr.

the class ImageHelper method createImage.

/**
 * Create a new image node from the given image data
 *
 * @param securityContext
 * @param imageStream
 * @param contentType
 * @param imageType defaults to Image.class if null
 * @param name
 * @param markAsThumbnail
 * @return image
 * @throws FrameworkException
 * @throws IOException
 */
public static Image createImage(final SecurityContext securityContext, final InputStream imageStream, final String contentType, final Class<? extends Image> imageType, final String name, final boolean markAsThumbnail) throws FrameworkException, IOException {
    final PropertyMap props = new PropertyMap();
    props.put(AbstractNode.type, imageType == null ? Image.class.getSimpleName() : imageType.getSimpleName());
    props.put(StructrApp.key(Image.class, "isThumbnail"), markAsThumbnail);
    props.put(AbstractNode.name, name);
    final Image newImage = StructrApp.getInstance(securityContext).create(imageType, props);
    setFileData(newImage, imageStream, contentType);
    return newImage;
}

Example 10 with Image

use of org.structr.web.entity.Image in project structr by structr.

the class ImageConverter method convert.

// ~--- methods --------------------------------------------------------
@Override
public Object convert(final Object source) {
    if (source == null) {
        return false;
    }
    try {
        Image img = null;
        try {
            if (source instanceof byte[]) {
                byte[] data = (byte[]) source;
                MagicMatch match = Magic.getMagicMatch(data);
                String mimeType = match.getMimeType();
                if (keyAndClass != null) {
                    img = (Image) ImageHelper.createFile(securityContext, data, mimeType, keyAndClass.getCls());
                } else {
                    ImageHelper.setImageData((Image) currentObject, data, mimeType);
                }
            } else if (source instanceof String) {
                String sourceString = (String) source;
                if (StringUtils.isNotBlank(sourceString)) {
                    if (keyAndClass != null) {
                        // UUID?
                        if (sourceString.length() == 32) {
                            img = (Image) ImageHelper.transformFile(securityContext, sourceString, keyAndClass != null ? keyAndClass.getCls() : null);
                        }
                        if (img == null) {
                            img = (Image) ImageHelper.createFileBase64(securityContext, sourceString, keyAndClass != null ? keyAndClass.getCls() : null);
                        }
                    } else {
                        ImageHelper.decodeAndSetFileData((Image) currentObject, sourceString);
                        ImageHelper.updateMetadata((Image) currentObject);
                    }
                }
            }
        } catch (Throwable t) {
            logger.warn("Cannot create image node from given data", t);
        }
        if (img != null) {
            // manual indexing of UUID needed here to avoid a 404 in the following setProperty call
            img.updateInIndex();
            currentObject.setProperties(securityContext, new PropertyMap(keyAndClass.getPropertyKey(), img));
        }
    } catch (Throwable t) {
        logger.warn("Cannot create image node from given data", t);
    }
    return null;
}