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Re: [RFC] Framebuffer rotation patch, or why 'unsigned' fails us

From: Vladimir 'φ-coder/phcoder' Serbinenko
Subject: Re: [RFC] Framebuffer rotation patch, or why 'unsigned' fails us
Date: Tue, 16 Feb 2010 13:35:53 +0100
User-agent: Mozilla-Thunderbird (X11/20091109)

Michal Suchanek wrote:
> This also enhances the video interface so that drawing at negative
> position is representable in the arguments. Iit is then possible to
> blit a bitmap without first clipping the topleft part by just blitting
> at negative position which should make some operations easier to carry
> out.
It's a good reason then. Just be sure that every code reacts sanely to
negative integers either by sanitising or correctly handling
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> Grub-devel mailing list
> address@hidden

Vladimir 'φ-coder/phcoder' Serbinenko

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