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

Example 26 with Image

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

the class ImageConverterCommand method processMessage.

@Override
public void processMessage(final WebSocketMessage webSocketData) {
    final String originalImageId = webSocketData.getId();
    final Map<String, Object> properties = webSocketData.getNodeData();
    final Image originalImage = (Image) getNode(originalImageId);
    final String format = (String) properties.get("format");
    final int width = (int) (long) properties.get("width");
    final int height = (int) (long) properties.get("height");
    final int offsetX = (int) (long) properties.get("offsetX");
    final int offsetY = (int) (long) properties.get("offsetY");
    if (originalImage != null) {
        final Thumbnail thumbnailData = ImageHelper.createCroppedImage(originalImage, width, height, offsetX, offsetY, format);
        if (thumbnailData != null) {
            final Integer tnWidth = thumbnailData.getWidth();
            final Integer tnHeight = thumbnailData.getHeight();
            byte[] data;
            try {
                data = thumbnailData.getBytes();
                final String thumbnailName = ImageHelper.getVariantName(originalImage.getName(), tnWidth, tnHeight, "_cropped_");
                // create image variant
                final Image imageVariant = ImageHelper.createImageNode(originalImage.getSecurityContext(), data, "image/" + Thumbnail.Format.png, Image.class, thumbnailName, false);
                // store in same parent folder
                imageVariant.setParent(originalImage.getParent());
            } catch (IOException | FrameworkException ex) {
                getWebSocket().send(MessageBuilder.status().code(400).message("Could not create converted image for " + originalImageId).build(), true);
            }
        } else {
            getWebSocket().send(MessageBuilder.status().code(400).message("Could not create converted image for " + originalImageId).build(), true);
        }
    } else {
        getWebSocket().send(MessageBuilder.status().code(400).message("No id of the original image given").build(), true);
    }
}