convert input(text) to image format

I am taking the input from the user and want to convert that txt to image (.jpg, .png) format.How can i do that?

[Geoff Hayes]

Sandesh - what is the format of the text? What is the user input? Please provide an example.

[Sandesh Arora]

sir,the format of text is String.I am taking the input using inputdlg command

Example: if i take the input D from an user. It should convert that D alphabet to an image format of font size and style mentioned in the code and save that image in local folder.like below image: