how to invert color of image

Discussions about image processing and document imaging.
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lih168
Posts: 3
Joined: Wed Oct 10, 2012 4:07 am

how to invert color of image

Post by lih168 » Wed Oct 31, 2012 4:05 am

Hi ,
I use Ddviewer for processing image in our project. And I'm not familia with gdpicture, anyone knows how to invert color of image
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SamiKharma
Posts: 352
Joined: Tue Sep 27, 2011 11:47 am

Re: how to invert color of image

Post by SamiKharma » Wed Oct 31, 2012 10:09 am

Hi,

You can do that through the FxNegative function of the GdPictureImaging Class.

Best,
Sami
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lih168
Posts: 3
Joined: Wed Oct 10, 2012 4:07 am

Re: how to invert color of image

Post by lih168 » Thu Nov 01, 2012 7:49 am

Hi SamiKharma,
thank you for your reply, can you give me mote detail
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SamiKharma
Posts: 352
Joined: Tue Sep 27, 2011 11:47 am

Re: how to invert color of image

Post by SamiKharma » Thu Nov 01, 2012 10:45 am

Hi,

All the details you want plus an example are available in the documentation of the function:
https://www.gdpicture.com/guides/gdpicture/v9/html/con ... teger.html

Best Regards,
Sami
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