GIFImageWriter.java 文件源码

/**
 * Creates a default stream metadata object and merges in the
 * supplied metadata.
 */
public IIOMetadata convertStreamMetadata(IIOMetadata inData,
                                         ImageWriteParam param) {
    if (inData == null) {
        throw new IllegalArgumentException("inData == null!");
    }

    IIOMetadata sm = getDefaultStreamMetadata(param);

    convertMetadata(STREAM_METADATA_NAME, inData, sm);

    return sm;
}