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Re: Video subsystem draft

From: Vesa Jääskeläinen
Subject: Re: Video subsystem draft
Date: Fri, 28 Oct 2005 16:59:10 +0300
User-agent: Thunderbird 1.4.1 (Windows/20051006)

Yoshinori K. Okuji wrote:
> On Sunday 23 October 2005 01:24 pm, Vesa Jääskeläinen wrote:
>> I made a draft how video subsystem could work. It doesn't currently
>> contain information about internals, but is more concentrated on usage
>> of the API.
> It looks good.

Then I'll do the first implementation. It will be only for i386 as
that's only platform I can test.

>> In order to make GRUB 2's video subsystem more flexible, there is a need
>> to modify font manager in order to support more variety of different
>> character types. I already tested it with one idea and it seems to work
>> nicely, but in order to support more character types I think someone
>> else have to give some comments about how glyph's should be defined.
> For the glyph support, it should be based on the font manager, but I haven't 
> decided the API yet. As a starting point, it would be enough to assume that 
> we always use a fixed size (currently, 8x16 or mutiples of 8x16). In the 
> future, we will want to support different size or even vector fonts.

I'll will improve current situation a bit to direction of better glyph
support, but this needs more work. I will give patch for those too when
first implementation is ready.

>> Anyway, here is first draft and I would like to get some comments about it:
> Can you put the contents on the wiki? This would be easier to maintain the 
> document.

I am not too familiar with syntax of wiki, but here is something:

I will try to improve it's contents later on.

Vesa Jääskeläinen

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