Re: Monochrome coreboot logo as BMP?

Simon Glass <[email protected]>
Newsgroups gmane.linux.bios
Message-ID <CAPnjgZ0N-AgJ0Ox1oN1murYDDsqF3s4PmVdyG9YOypP8qV8z_w@mail.gmail.com>
Hi Nico,

On Sun, 19 Nov 2023 at 03:04, Nico Huber <[email protected]> wrote:
>
> Hi Simon,
>
> maybe the attached bitmap will do. I had to explicitly add a black background
> because grayscale BMP apparently doesn't support alphachannels. It's about
> 4KiB with gzip -1.
>
> Cheers,
> Nico
>
> What I did:
> * import in Gimp, 160px width
> * increase canvas height to 160px, centering
> * set color mode to grayscale
> * invert colors
> * add a black background layer
> * combine layers
> * export to BMP

That's great, thank you! I was trying to use inkscape which I guess
was the wrong tool.

I used 'convert in.bmp out.bmp' to make it compressed and it came in at 5.7KB

Could I get your sign-off somehow? You could add it here, or reply on
the U-Boot ML when I send the patch.

Regards,
Simon

>
>
> On November 19, 2023 5:32:29 AM GMT+01:00, Simon Glass <[email protected]> wrote:
>>
>> Hi Nicholas,
>>
>> On Sat, 18 Nov 2023 at 18:24, Nicholas Chin <[email protected]> wrote:
>>>
>>>
>>>  On 2023-11-18 18:17, Simon Glass wrote:
>>>>
>>>>  Hi,
>>>>
>>>>  I am looking for a 160x160 BMP coreboot logo to use when booting
>>>>  U-Boot on top of coreboot, so that it is obvious to people that
>>>>  coreboot is being used. Typically it is used with a blank background.
>>>>
>>>>  I have looked at the available logo but it is quite large. I am
>>>>  looking for something small, perhaps <10KB, so it needs to be BMP
>>>>  compressed (U-Boot does not support PNG at present).
>>>>
>>>>  I have spent a bit of time trying to do this with inkscape and
>>>>  'convert' but I cannot get one with anti-aliased edges.
>>>>
>>>>  Can anyone help, please?
>>>>
>>>>  Thanks!
>>>>  Simon
>>>> ________________________________
>>>>  coreboot mailing list -- [email protected]
>>>>  To unsubscribe send an email to [email protected]
>>>
>>>
>>>  The Logo page on the old wiki includes the logos in SVG form, which I
>>>  assume should be easily convertable to a BMP of any size. Hope this
>>>  helps. https://www.coreboot.org/Logo
>>
>>
>> Yes I have tried...but not with success so far. It is the small side
>> and antialiasing that is needed.
>>
>> Regards,
>> Simon
>>
>>>
>>>  Cheers,
>>>  Nicholas
>>> ________________________________
>>>  coreboot mailing list -- [email protected]
>>>  To unsubscribe send an email to [email protected]
>>
>> ________________________________
>> coreboot mailing list -- [email protected]
>> To unsubscribe send an email to [email protected]
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