public void setCompressedText(String[] text) {
        this.zText = text;
        zTextSet = true;
    }
Sets the text strings to be stored in compressed form with this
image.  The data is passed to this method as an array of
<code>String</code>s.

<p> The 'zTXt' chunk will encode this information.
plugins/svg-plugin/batik-codec-fix/src/main/java/org/apache/batik/ext/awt/image/codec/png/PNGEncodeParam.java