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  get selected area of image
Posted by Liang on May-19-2015 06:02
Hi, To whom it may concerned,

I am working a project which use XYChart to create a image. Now I can use mouse to
draw rectangle to zoom in.
I want to know, what's the best way to get this zoomed in image.

Thanks.

  Re: get selected area of image
Posted by Peter Kwan on May-20-2015 00:54
Hi Liang,

You mentioned in your message that "you can use mouse to draw rectangle to zoom in". So
I assume you already know how to zoom in. You mentioned you would like to "get this
zoomed in image". I am not exactly sure what you mean. I am thinking, as you can already
zoom in, your code must have created the zoomed in image and displayed it on the screen.
So your code has already got the zoomed in image that you want. May be you are referring
to other things. Would you mind to clarify exactly what you need? Do you mean you want
to cut a part of the image out like in Photoshop or other image editing tool?

Please also inform me what is your programming language, and whether you are writing a
web or desktop application.

Regards
Peter Kwan