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 ImageEn Library for Delphi, C++ and .Net
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 Pixelate Part of Image using Layer
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PaulAtMass

United Kingdom
19 Posts

Posted - Nov 07 2018 :  05:49:18  Show Profile  Reply
Hi,
I need to pixelate or blur out faces etc... of a selected area but leave the underlying background image untouched. I was hoping to use a closed layer e.g. circle/polyline then one of the TIERenderOperation options would be pixelate.
Is there another way of doing this perhaps selecting the area then copying it to an image layer?
Perhaps this would be a good future feature?

thanks

xequte

38608 Posts

Posted - Nov 08 2018 :  16:13:21  Show Profile  Reply
Hi Paul

You can just copy the selection to a layer:

https://www.imageen.com/help/TImageEnView.LayersCreateFromSelection.html

Then apply an effect, such as pixelation:

https://www.imageen.com/help/TImageEnProc.Pixelize.html

Or a blur:

https://www.imageen.com/help/TImageEnProc.Blur.html





Nigel
Xequte Software
www.imageen.com
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jonjbar

4 Posts

Posted - Apr 06 2023 :  09:23:26  Show Profile  Reply
It is possible to do that dynamically, meaning that when a layer is moved/resized, it will automatically blur layers which are in the background ?
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xequte

38608 Posts

Posted - Apr 06 2023 :  17:58:03  Show Profile  Reply
Hi

Yes, you can use one of the paint events to do this. Try the custom layer painting demo:

\Demos\LayerEditing\Layers_CustomDraw\LayersDraw.dpr
https://www.imageen.com/files/demos/run/LayerEditing/Layers_CustomDraw/LayersDraw.zip

Nigel
Xequte Software
www.imageen.com
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