Mike James

There's always...

https://software.intel.com/content/www/us/en/develop/articles/intel-digital-random-number-generator-drng-software-implementation-guide.html

Regards, Mike.

I can confirm that the update fixes the Green-flashing on my FMX.CameraComponent app.

Thanks to one and all...

-<mike>-

On 8/24/2020 at 9:09 AM, Rollo62 said:

You can try what I explained before.

Has same issues as you described, re-creating solved those issues.

That means very likely the project and its libraries where not updated to 10.4, you can also try project manager "revert to default",

but I always rebuild a new project, which is most reliable.

Has not much to do IMFO with threads.

It's good to see someone else having the same problem...

https://quality.embarcadero.com/browse/RSP-31238

18 hours ago, Arnaud Bouchez said:

Did you try with FMX?

Then you can switch the rendering engine behind it.

I was hoping to stay VCL but I'll give it a look. Thanks.

15 hours ago, Arnaud Bouchez said:

@FPiette Direct2D is no silver bullet either. It has been reported to be slower than GDI, due to wrongly implemented drivers, and is somewhat deprecated/unoptimized/unused.

 

@Mike James Don't forget about GDI+ which is part of Windows, and has good performance, with nice features like Alpha channel and good antialiaising.
Which kind of drawing do you need?

Hi Arnaud,

It's for a mapping project so it involves tiling, overlaying grids and bitmaps.

Regards, -<mike>-

Once upon a time the Graphics32 library was faster than the Delphi TBitmap. Is it still the case?

Are there any performance comparisons anywhere between FMX Bitmaps, VCL Bitmaps and Graphics32?

Regards,

-<mike>-

I've been checking on the net and it seems to be a problem with TCameraComponent and Threading.

I'll guess I'll have to wait for Delphi 10.4.1 or 10.5 :-)

Regards, Mike.

5 hours ago, Rollo62 said:

No problem seen yet, what Platform are you talking about ?

I'ts running on a Samsung a71 (Android 10).

Regards, Mike.

Hi,

I'm trying out the FMX.CameraComponent Sample with Delphi 10.4 Sydney. The project is the latest download from github.

When running the camera every so often the screen will flash green i.e. blank.

Has anybody else seen this? Is it a problem with the threading that the example is using?

Regards, Mike.

19 hours ago, PeterPanettone said:

That worked, with these exceptions:

 

1. "Save as DragDropDR104S.dpk": you cannot save it directly as DPK. You must save it as DragDropDR104S.dproj which implicitly creates the DragDropDR104S.dpk.

 

2. There are a few typos in the original source. You should fix it at Github:

 

Typos:

 

 

Fixed:

 

I think the 'typos' are caused by the file not having Windows line endings i.e. CR-LF and the IDE not able to handle them.

-=mike=-

50 minutes ago, Bothyhead said:

A colleague of mine lost both TeeChart and IBX Components. We are using the English version of Delphi 10.4

That happened to me. You need to use 'Manage Platforms...' to re-install all the options (TeeChart, IBX, etc.) again.