Examples with ImagePortObject org.knime.core.node.port.image.ImagePortObject used on opensource projects

Example 6 with ImagePortObject

use of org.knime.core.node.port.image.ImagePortObject in project GenericKnimeNodes by genericworkflownodes.

the class Image2FilePortNodeModel method execute.

/**
 * {@inheritDoc}
 */
@Override
protected PortObject[] execute(final PortObject[] inObjects, final ExecutionContext exec) throws Exception {
    ImagePortObject imageObj = (ImagePortObject) inObjects[0];
    DataCell imageCellDC = imageObj.toDataCell();
    if (!(imageCellDC instanceof ImageValue)) {
        throw new InvalidSettingsException("Image object does not produce" + " valid image object but " + imageCellDC.getClass().getName());
    }
    ImageValue v = (ImageValue) imageCellDC;
    ImageContent content = v.getImageContent();
    // check if the extension matches our PNG assumption
    checkExtension(v);
    // write the file to stash
    FileStoreURIPortObject outPort = writeImageFile(content, exec);
    return new PortObject[] { outPort };
}