Thanks for writing.
I am not quite sure that I correctly understand your requirement. You need to use the TextTool only, right? I suppose your scenario includes loading a picture, applying text to it and saving it?
If you need to use the visual texttool experience, you will need to use RadImageEditor and load the tool there. Otherwise, if you want to programmatically apply text to a picture, you can create an instance of the TextTool class, set the text you want to print on the picture and pass it to the tool just as demonstrated here with some of the other tools:
I hope this helps.
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