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Author Topic: Pixel Color  (Read 2670 times)

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jerryd

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Pixel Color
« on: July 04, 2017, 04:01:45 am »
SFML forum,

 How can I read the color of a specific pixel on the screen?

jerryd
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Gleade

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Re: Pixel Color
« Reply #1 on: July 04, 2017, 04:18:40 am »
Quote from: jerryd on July 04, 2017, 04:01:45 am
SFML forum,

 How can I read the color of a specific pixel on the screen?

jerryd

Your best bet to my knowledge would be to use a Window.capture() which returns an image, then you can use getPixel(x, y). It'll be a very expensive operation.
« Last Edit: July 04, 2017, 04:21:06 am by Gleade »
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Martin Sand

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Re: Pixel Color
« Reply #2 on: July 04, 2017, 11:16:15 pm »
Quote from: jerryd on July 04, 2017, 04:01:45 am
How can I read the color of a specific pixel on the screen?

What exactly do you want to achieve?
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Flaze07

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Re: Pixel Color
« Reply #3 on: July 09, 2017, 04:25:28 am »
Quote from: Martin Sand on July 04, 2017, 11:16:15 pm
Quote from: jerryd on July 04, 2017, 04:01:45 am
How can I read the color of a specific pixel on the screen?

What exactly do you want to achieve?

really...he said it clearly
anyways this has been answered by Gleade
so...sfml is not a raster graphic graphic library
as Gleade said the operation will be expensive
if you want to do it continuously
it is a bad idea  :P
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