[Libreoffice-bugs] [Bug 138122] LibreOffice text blurry on Retina displays on macOS 11

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=138122

--- Comment #97 from lupurus at web.de ---
(In reply to Tor Lillqvist from comment #94)
> How can that work? Surely correspondingly more space must be allocated for
> the pRawData in that case, too? The docs for CGBitmapContextCreate say:
> 
> data
> A pointer to the destination in memory where the drawing is to be rendered.
> The size of this memory block should be at least (bytesPerRow*height) bytes.
> 
> and the "height" parameter we pass with such a change is nDY * fScale, and
> bytesPerRow is (mnBitmapDepth * nDX) / 8, i.e. nDX * 4.

The interesting thing is: I get an error in the console:
'CGBitmapContextCreate: invalid data bytes/row: should be at least ...'

If I then say 

const int nBytesPerRow = (mnBitmapDepth * nDX * fScale) / 8;

instead of

const int nBytesPerRow = (mnBitmapDepth * nDX) / 8;

the text gets blurred again.

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