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Re: [ft-devel] FT_FORCE_LIGHT_LCD_FILTER gives default instead of light
From: |
Werner LEMBERG |
Subject: |
Re: [ft-devel] FT_FORCE_LIGHT_LCD_FILTER gives default instead of light |
Date: |
Sun, 17 Dec 2006 08:35:44 +0100 (CET) |
> BTW, I notice that weights of the default filter { 0x10, 0x40, 0x70,
> 0x40, 0x10 } sum to 272, while the _ft_lcd_filter_fir code expects a
> sum of 256. Also, the middle weight should probably be 1/3 of the
> total, so that the color is distributed equally between the three
> channels. Maybe something like { 17, 68, 86, 68, 17 }?
I tend to agree, but my knowledge on colour filtering issue is zero.
David?
Werner