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agnos.is Forums

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  3. PNG is back!

PNG is back!

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  • M [email protected]

    Now we need a image fornat for very high resolutions that does slicing already by itself. Would enable easy parallelization too.

    D This user is from outside of this forum
    D This user is from outside of this forum
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    wrote last edited by
    #25

    Again, that would be TIFF. TIFF images can be encoded either with each line compressed separately or with rectangular tiles compressed separately, and separately compressed blocks can be read and decompressed in parallel. I have some >100GiB TIFFs containing elevation maps for entire countries, and my very old laptop can happily zoom and pan around in them with virtually no delay.

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    4
    • jwr1@kbin.earthJ [email protected]

      After 20 years, PNG is back with renewed vigor! A new PNG spec was just released.

      W This user is from outside of this forum
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      wrote last edited by
      #26

      HDR PNG is huge

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      8
      • sentient_loom@sh.itjust.worksS [email protected]

        I've never heard of webP. Looked it up. Not impressed. Sticking with png.

        sorse@discuss.tchncs.deS This user is from outside of this forum
        sorse@discuss.tchncs.deS This user is from outside of this forum
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        wrote last edited by
        #27

        The main advantage of webp is that it has good lossy compression, which makes it great for websites that show tens or hundreds of images on a single page

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        11
        • captainastronaut@seattlelunarsociety.orgC [email protected]

          May webp die a horrible death in its wake!

          F This user is from outside of this forum
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          wrote last edited by
          #28

          WebP was the first widely supported format to support lossy transparency. It's worth it for that alone.

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          16
          • vhstape@lemmy.sdf.orgV [email protected]

            Great news! PNG has always been my image format of choice due to its relatively good compression and support for transparency.

            A This user is from outside of this forum
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            wrote last edited by
            #29

            Do you remember png? Well now it's back. In pog form!

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            6
            • M [email protected]

              Never saw even one piece of your "future" in the wild...

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              wrote last edited by [email protected]
              #30

              That's because Google removed the support from chrome after only a few months, and Mozilla never added it to Firefox.
              And although there's apparently an extension for both, (lossy) image formats need out of the box browser support to have any chance for any kind adoption.

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              6
              • F [email protected]

                As cool and impressive as Qoi is, as long as I can't just send it to someone it's sadly not a replacement for PNG.

                M This user is from outside of this forum
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                wrote last edited by
                #31

                Yeah, adoption's not a feature you can design.

                The general idea may show up in any extensible format. Like a PNG encoder that only does Sub filter can encounter each pixel once.

                ... wait, PNG filtering is byte-level? It doesn't change with bit depth? Christ.

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                0
                • captainastronaut@seattlelunarsociety.orgC [email protected]

                  May webp die a horrible death in its wake!

                  laggykar@programming.devL This user is from outside of this forum
                  laggykar@programming.devL This user is from outside of this forum
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                  wrote last edited by
                  #32

                  Lossless WebP is still gets way better compression than PNG though, this doesn't change that. Although they mention they're looking to improve it in the next version, so we'll see then.

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                  11
                  • jwr1@kbin.earthJ [email protected]

                    After 20 years, PNG is back with renewed vigor! A new PNG spec was just released.

                    B This user is from outside of this forum
                    B This user is from outside of this forum
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                    wrote last edited by
                    #33

                    Um, actually it's pronounced png

                    F 1 Reply Last reply
                    12
                    • vhstape@lemmy.sdf.orgV [email protected]

                      Great news! PNG has always been my image format of choice due to its relatively good compression and support for transparency.

                      R This user is from outside of this forum
                      R This user is from outside of this forum
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                      wrote last edited by
                      #34

                      Eventually they'll adopt the multi-page specs and finally push Adobe off the mountain.

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                      0
                      • M [email protected]

                        Never saw even one piece of your "future" in the wild...

                        S This user is from outside of this forum
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                        wrote last edited by
                        #35

                        Happily using it for presentation slides.

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                        2
                        • M [email protected]

                          Never saw even one piece of your "future" in the wild...

                          spartanatreyu@programming.devS This user is from outside of this forum
                          spartanatreyu@programming.devS This user is from outside of this forum
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                          wrote last edited by
                          #36

                          Try this link on an iPhone: https://jpegxl.info/resources/jpeg-xl-test-page.html

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                          1
                          • B [email protected]

                            Um, actually it's pronounced png

                            F This user is from outside of this forum
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                            wrote last edited by
                            #37

                            Correct. Like "plunge" without the "lu".

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                            0
                            • jwr1@kbin.earthJ [email protected]

                              After 20 years, PNG is back with renewed vigor! A new PNG spec was just released.

                              almacca@aussie.zoneA This user is from outside of this forum
                              almacca@aussie.zoneA This user is from outside of this forum
                              [email protected]
                              wrote last edited by
                              #38

                              Took me a second to realise you're not talking about Papua New Guinea.

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                              1
                              • jwr1@kbin.earthJ [email protected]

                                After 20 years, PNG is back with renewed vigor! A new PNG spec was just released.

                                grant_m@lemmy.caG This user is from outside of this forum
                                grant_m@lemmy.caG This user is from outside of this forum
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                                wrote last edited by [email protected]
                                #39

                                Yes. But does Lemmy support .png?

                                Ahh.

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