LC 9.6.7 export snapshot from a player object seems to fail on Windows (10)

[Paul Dupuis]

Martin,

Thank you for confirming. I have filed a bug with Livecode: 
https://quality.livecode.com/show_bug.cgi?id=23694

On 4/29/2022 8:45 AM, Martin Koob wrote:
> Hi Paul
>
> I just tried the same thing and got the same result.  It works on Mac, not on Windows.
>
> I also tried exporting the image as a file to see if that made any difference.
>
>                export snapshot from rect tRect of player "mediaConvert" of stack "libHrAPI" to file [filepath/filename.png] as PNG
>
>   I got an image file but it is the same as what you see in the image object on the stack — an image of a white rect inside the player boarder.
>
> So it looks like it is a bug.  The snapshot does create a proper png it just doesn’t grab the current video image inside the player it just gets a white rect.
>
> Martin
>
>> On Apr 27, 2022, at 6:21 PM, Paul Dupuis via use-livecode <use-livecode at lists.runrev.com> wrote:
>>
>> I am executing the following 2 lines of code:
>>
>>                export snapshot from rect tRect of player "mediaConvert" of stack "libHrAPI" to tImage as PNG
>>                put tImage into img "imageConvert" of stack "libHrAPI"
>>
>> Prior to the export the player has a video load and has the currentTime set to a particular frame, and I can see in the stack that the player is showing the correct frame is visible.
>> I can also see that the image "imageConvert" is also visible, but empty
>>
>> After the Export Snapshot is executed, it looks like tImage contains valid PNG data, although I can not tell if it is the correct image
>> After the Put statement, the image "imageConvert" is set to a white rectangle with a little bit of the player border on the left and top. It is the same size as the player where as the empty image I started with was larger.
>>
>> This is with LC 9.6.7 on Windows 10. This code works on macOS. Does anyone know if there is a known Windows bug with export a snapshot form a player and any work around?
>>
>>
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