[squeak-dev] Get raw 24 Bit image data into a Form

Herbert König herbertkoenig at gmx.net
Sun Sep 13 12:29:24 UTC 2015


Am 30.08.2015 um 20:04 schrieb tim Rowledge:
>
> As an example on my Pi2 -
> sudo modprobe bcm2835-v4l2
> - to get the video4linux2 driver loaded
> |frameForm|
> (CameraPlugin cameraName: 1) ifNotNil: [|n frameExtent t|
> 	(CameraPlugin openCamera: 1 width: 1296 height: 832) ifNotNil: [
> 				frameForm  :=  Form extent: (CameraPlugin frameExtent: 1) depth: 32.
> 				frameExtent  :=  frameForm extent.
> 				Delay waitMSecs: 400].
> 	t := Time millisecondsToRun: [n  :=  CameraPlugin getFrameForCamera: 1 into: frameForm bits].
> 	CameraPlugin closeCamera: 1.
> 	n = 0 ifTrue: [^ false].
> 	frameForm display.
> 	t]
I tucked that away. It seems very promising if I want to do other things 
with the camera like triggering on external sensors. As stated earlier 
in my current application I can live with bmp import and the camera's 
problems with bmp. I just wanted to make sure my camera board didn't 
degrade.

Thanks,

Herbert



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