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  1. #1
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    Default eTrexSummitHC boot logo?

    If anyone have eTrex Summit HC, please post a picture of the boot-up logo. Is it 'Garmin' in gold on white background? I need to verified what I extracted from the logo.bin is correct.
    Last edited by osiris4isis; 23rd October 2015 at 00:50.

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  3. #2
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    Default

    It is US\EU version what was obtained with Garmin xImage program:

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  4. #3
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    Thanks, damn I was hoping it wouldn't be that generic blue on black logo like any others. So the mystery still remained on how to decode it. It's using a single byte for each pixels so it has to be palette'd but the palette seem to be two bytes with high byte always 0. Pixels data are flip (x-axis) and flop (y-axis) as well. There should be another exact logo (with "Garmin" near the top) as well. Here is the case study:
    Spoiler: .

    The logo is here [Only registered and activated users can see links. ]
    Count of pixel values, each pixel is 8-bit value and it seems we have range of 0-27 (or 28 values)
    Code:
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    The palette data (there are 56 bytes so it seem that there are 2 bytes per palette entry; there are 28 entries based on above data)
    Code:
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    Note the high byte is always 0.
    The basic ascii dump of bitmap (not showing the black/0 pixel before and after) using only the 4 least sig bits (to prevent clutter)
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    So I think the "palette" is not palette value but rather index to internal palette table. The palette table is defined in firmware. If it's a GIR type, probably in the 'girclr' or GIR color section?


    Update: Cracked it! Everything I said above is true.
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    Last edited by osiris4isis; 23rd October 2015 at 05:25.

 

 

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