DICOM @ OFFIS

I want to write a text Annotation into a image.who can tell me how i do it.
I intends to make use of a funtion addOverlay() for adding a overlay plane
But i don't know how to use it.
Please help me ! Thanks a lot!

I have completed it with your help.
Thanks a lot!

These days I Try to make a little image-browser which can open Dicom images and achieve some simple Consistency Display by C++.There isn'n any shutter on my image.How can I achieve my aim of setting a circle shutter with the method pstate.setCircularShutter ?There are some codes as follows which I u...

I do not know JAVA. I can only use C++,But DCMTK provide a method pstate.setCircularShutter(x,y,r) in C++. What is the usefulness of the method? What shall I do next if I want to use C++ to Achieve a circle shutter ?
Thanks a lot!

I am studying the consistency of the image display, and making use of GSPS in the DCMTK .So I use the class DVPresentationState ,I have Successfully applied some states (such as Rotation and Flip)to the attached image(pstate.setFlip(),pstate.setRotayion()).but when I apply a circle shutter(using pst...