WorldState MinCycleLapse: 16

will make it 60 FPS.

Much smoother on Windows.

Ok, some CPU is used.

Phil

On Mon, Nov 28, 2016 at 9:53 PM, Henrik Nergaard <henrik.nerga...@uia.no>
wrote:

> | image morph |
>
>
>
> image := Form fromFileNamed: 'path/(.jpg|.png)'.
>
> morph := image asMorph.
>
> morph openCenteredInWorld.
>
> morph addAlarm: #delete after: 2000 "ms".
>
>
>
> ----------------------------
>
> Ps. Pharo UI runs at 50Hz
>
>
>
> Best regards,
>
> Henrik
>
>
>
> *From:* Pharo-users [mailto:pharo-users-boun...@lists.pharo.org] *On
> Behalf Of *William L. Cleveland
> *Sent:* Monday, November 28, 2016 9:43 PM
> *To:* pharo-users@lists.pharo.org
> *Subject:* [Pharo-users] Flashing short duration images in a window
>
>
>
> I want to write code to flash a color image of a person in a window for a
> short period of time. The duration of the flash is important, not the
> frequency of the flashes, which will be low and probably controlled by
> pressing a key.
>
>
>
> Ideally, the duration should be an integral number of frames, starting
> from 1 and increasing to a much larger number. With a 60 Hz monitor, one
> frame would be 0.0167 seconds. The images would be low to moderate
> resolution, e.g. 70K to 1 Mb
>
>
>
> Can this be done entirely in Pharo or would it be necessary to use the
> Unified FFI with operating system commands? If it can be done in Pharo,
> what are the classes needed to display an image filed in from the hard
> drive?
>
>
>
> I am using a 27 inch iMAC (10.11.6) with 4GHz, 8 GB ram, and AMD Radeon
> R9 M395X 4096 MB video card. Pharos is new to me but I wrote Smalltalk code
> with VisualWorks a few years back.
>
>
>
> Thanks very much.
>
>
>
> Lou Cleveland
>

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