Re: Re: Mono LCD with 1BPP: Character Display Reversed!!

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Hi,

Thanks! It turned out I use the wrong framebuffer driver! I mean my MFB driver processs the frmaebuffer
data wrongly. After I modified the driver. The problem is solved. Thank you all.

Best Regards,

Samuel Teng
_____________________________________

-------- 01:00:52-2004-07-27, You Wrote --------

>On Sun, 25 Jul 2004, Mark Vojkovich wrote:
>> On Sun, 25 Jul 2004, Samuel Teng wrote:
>
>> > Please do help me!! I tried to run XFree86-4.2.0 on a Monochromonic LCD with 1BPP support.
>> > But the characters are displayed in a reversed style! For example, if the bitmap is 1010000, it will
>> > be displayed as 00000101.
>
>>    What do you mean displayed reversed?  If LSBFirst, then the LSB will
>> be the leftmost pixel and the MSB will be the rightmost pixel.
>
>> > I have set the IMAGE_BYTE_ORDER and BITMAP_BIT_ORDER to LSBFirst. Then why it is
>> > reversed?
>
>Those are the settings for mfb.  On ix86 (among others), IMAGE_BYTE_ORDER must
>be LSBFirst;  BITMAP_BIT_ORDER, MSBFirst;  and BITMAP_SCANLINE_UNIT 8, for 1bpp
>operation.  This is all set up by the xf1bpp framebuffer.  It therefore seems
>likely you are using the wrong framebuffer.
>
>Marc.
>
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