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Question by boddole · Jun 04, 2016 at 02:59 PM · graphicsscreenshotreadpixelscapturescreen

ReadPixels() vs Windows ScreenShot

I was working on implementing a way to take screenshots from within my program using ReadPixels(), but I noticed something odd:

-Using ReadPixels() seems to create (sometimes, I can't determine what is causing it) 'white edges' around 1 or more edges of a image.

-Using the Windows built in 'Print Screen' does not seem to have this problem (but unlike ReadPixels(), I can't use it to capture transparency information).

You can see this difference in my two attachments at a high zoom level, I am curious to know if anyone else has seen this happen / knows how to fix it.

Using Print Screen

alt text

using-printscreen.png (10.9 kB)
using-readpixels.png (6.8 kB)
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avatar image boddole · Jun 04, 2016 at 03:31 PM 0
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UPDATE: just noticed that this 'white line' even gets drawn over other images that have a higher depth than the image causing the problem (and again, this does not happen when using Window's ScreenShot).

Another strange thing

strange.png (56.7 kB)

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