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Re: crash when using local display but not remote

From: Riccardo Mottola
Subject: Re: crash when using local display but not remote
Date: Sat, 8 Feb 2020 12:43:58 +0100
User-agent: Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Thunderbird/60.9.1


On 04/02/2020 22:15, Sergii Stoian wrote:
Clear explanation, thank you. It is a usual case when image contains more bytes than image size (width * height)?
I feel we need to return back old code with your explanation in comment.
What do you think?

I don't know about "this" specific image case, but generally speaking yes.

Cocoa does this now (since 10.6 at least) quite aggressively, so "bytes per row" is not necessary width * samplesPerPixel. In GNUstep i have not noticed that.

So I had to fix quite some image processing code (e.g. PRICE, LaternaMagica) which worked fine in GNUstep and on 10.4 Mac. I guess it is done for optimization, address alignment for various reasons.


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