theApng.maChunks.add(new ChunktEXt()); //software-note
//and all comments from the gif:
theApng.maChunks.add(new ChunktEXt("Comment",readgifinfo.getComment()));
//close reader & stream
reader.dispose();
fis.close();
//callback completion of all frames / beginning of write-operation, which should follow
if(callback!=null){
callback.updatecur(numImages+1);