[Gambas-user] About Image.Pixel

[Benoit Minisini]

Le 15/08/2023 à 20:28, T Lee Davidson a écrit :
> 
> That would work for a color with full opacity, but not necessarily for a 
> color with any transparency.
> 
> But, when playing around with this, I am getting some weirdness:
> This code (using Qt5):
> [code]
> Public Sub Form_Open()
> 
>    Dim hImg As New Image(1, 1, Color.Red)
> 
>    Print Hex(Color.Red)
>    Print SizeOf(Color.Red)
>    Print Hex(hImg.Pixels[0])
>    ' Print SizeOf(hImg.Pixels[0]) ' <--- this causes a segmentation fault
> 
> End
> [/code]
> 
> Produces:
> FF0000
> 8
> FFFFFFFFFFFF0000
> !SegFault
> 
> The size of Color.Red is 8 bytes, 64 bits? Shouldn't it be 4 bytes for 
> 32 bits?
> Am I missing something, or is my Gambas corrupted?
> 
> 

The crash has been fixed in commit 
https://gitlab.com/gambas/gambas/-/commit/c10a03cb59f24cca6bed231320f95798d3f660d3.

Read the documentation of SizeOf() to understand how to use it.

Regards,

-- 
Benoît Minisini.