macOS retina display problems about bgrabitmap HOT 3 CLOSED

Hi, I have another screenshot. The top part is normal Canvas, at the bottom BGRABitmap.

from bgrabitmap.

As I can understand the bgra is stretched. The normal canvas uses the system drawing, so it draws the line wider (2px width and 2px height for each pixel, a total of 4 pixels for each single pixel).

I think we can do nothing since BGRABitmap uses it's own functions to draw.

But maybe there's a way to:

• Change the Draw method to be aware of retina display

So for example if you draw a 100x100 pixels bgrabitmap it should be 100x100 area when drawn to be as sharp as the original, instead to be scaled to 200x200.

from bgrabitmap.

Hi, I found an old thread, TBitmap also is not retina display ready. It needs to be reported in the bugtracker instead of here. I will check the bugtracker to see if there is a solution or is already discussed.

https://forum.lazarus.freepascal.org/index.php/topic,33215.0.html

from bgrabitmap.