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Re: Antialiasing Glyph onto Image
From: |
David Turner |
Subject: |
Re: Antialiasing Glyph onto Image |
Date: |
Wed, 07 Jun 2000 17:27:12 +0200 |
Hi John,
>
> Hi,
>
> Does anyone know of an efficient algorithm
> for rendering antialiased pixmap glyphs onto
> a background image ( multi colors) ?
>
> I am using:
>
> (pen.red( x) + background.red( 1-x)) /x
>
I suppose that you meant something like:
(x*pen + (4-x)*background)/4
because your formula doesn't make sense if x == 0,
and gives incorrect results for x > 0 :-)
> where x is the number in the glyph pixmap ( 0-4),
> for each color component
>
> It works ok, but not good.
>
What do you mean exactly ?
Is is color bleefing, aliasing, blurring, etc.. ?
Can you give an example to us ?
Best Regards,
- David
> Thanks in advance !!