1. Hepointatsquib

    OP Hepointatsquib Member
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    Sorry if this doesn't belong here or my wording is a mess, but I'm wondering how certian 3DS Games know which photos were taken within that game (For example, in Ultra sun/moon you couldn't put an image in the SD card with other photos from that game, as it wouldn't reconise it)


    I'm mainly wanting to know because I find it a little intresting, plus i want to use Ultra sun to put "stickers" on a funny image
     
  2. Subtle Demise

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    I'm not entirely sure myself, but there are plenty of ways it could be done. Could be a special header, or maybe even the image is digitally signed.
     
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  3. Bene-Hrethgir

    Bene-Hrethgir Member
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    The image is signed digitally, I have never actually seen any discussion about this before(prolly as the applications of such are slim to nill) if you have CFW(Luma, ReiNAND ect.) you can just take a screenshot of the picture then do w/e it is you plan on doing (Luma outputs png screenshots)

    EDIT: Namesnipe is right it takes .bmp not .png screenshots
     
    Last edited by Bene-Hrethgir, Oct 10, 2018
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  4. Namesnipe

    Namesnipe GBAtemp Regular
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    I believe it's bmp, not png.
     
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