Bug Report - Zoom of Images Not Working

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  1. eugbug profile image97
    eugbugposted 5 years ago

    There seems to be two issues. Firstly tapping on an image on a mobile device doesn't expand an image. Maybe it's not supposed to? I tried doing the two fingered thing on the unexpanded image, but it was impossible to read the text on it, although I know it's legible on my original image. The same thing happens on desktop. Clicking the image expands it, but not to its original size, and text is illegible. Possibly the image is compressed, reducing the resolution?

    Edit:

    The problem seems to be that the image isn't expanding to it's original size. This is an ongoing issue and the means of expanding the image is convoluted to say the least, involving right-clicking and expanding the image in a new tab.
    On mobile it seems the only way to expand an image is to press and hold it, launching a menu that allows it to be opened in a new tab. However the image in the new tab is restricted to 520 pixels wide (my original uploaded image was 1920 wide).

  2. eugbug profile image97
    eugbugposted 5 years ago

    Any thoughts on this?

    1. Matt Wells profile imageSTAFF
      Matt Wellsposted 5 years agoin reply to this

      Hello,

      Can you send me a link to the article you are asking about? I was able to zoom in with two fingers and read text with an iPhone. As well as zoom in by left-clicking with a mouse on a desktop.

  3. eugbug profile image97
    eugbugposted 5 years ago

    Hi Matt.

    This is the article:
    https://owlcation.com/academia/Top-100- … ence-Facts

    An example is the periodic table image below fact 40.

    On desktop, I can left click, which partially expands the image, but it's necessary to right click and open the image in a new tab to see it at full resolution (not sure if this is operating system / browser dependent, I'm using Chrome on Vista.). Once the image is in a new tab, I can read the text in the boxes (the element names). I saved this image to my desktop and it is at 1024 pixel wide resolution.
    On a smartphone (Android) using Chrome, tapping or double tapping the image doesn't zoom it. If I spread two fingers, it only makes the image bigger on screen, but doesn't give more detail. Tapping and holding, brings up a menu giving the option to open the image in a new tab, however I can't read the text on the image (element names) that appears.

    1. lobobrandon profile image88
      lobobrandonposted 5 years agoin reply to this

      I just checked this image on your hub and it zooms easy and fine. Do you have a link to a hub where you see this issue of zoom not working? Also the specific image would help since your hubs usually have a lot of images.

      1. eugbug profile image97
        eugbugposted 5 years agoin reply to this

        It doesn't work properly on my phone. The resolution is less than the original image (limited to 520 pixels).

        1. lobobrandon profile image88
          lobobrandonposted 5 years agoin reply to this

          Yup, just checked the periodic table image. Zooming in by expanding with my fingers does not help and the image gets pixelated. Can't read the element names, something that I can do on my computer. So it's not the image resolution or size.

          It could be that the image is getting compressed more on mobile phones than a desktop/laptop due to internet speed issues?

          1. eugbug profile image97
            eugbugposted 5 years agoin reply to this

            When I open the image in a new tab, it's limited to 520 pixels. The same when I download it. On desktop, its limited to 1024 pixels.
            I'll try uploading the full resolution image again (1920 wide) and see what happens (just in case I compressed it previously before uploading).

            1. lobobrandon profile image88
              lobobrandonposted 5 years agoin reply to this

              Let me know what you see please.

              1. eugbug profile image97
                eugbugposted 5 years agoin reply to this

                Just uploaded that Brandon, but it still appears the same.

                1. lobobrandon profile image88
                  lobobrandonposted 5 years agoin reply to this

                  Ok, so picture size is what is controlled and not the resolution. It does help speed up the site when image dimensions are mentioned, but this can also be a problem if the image has to be read like in this case.

  4. eugbug profile image97
    eugbugposted 5 years ago

    I downloaded the image that appeared in a new tab on my smartphone and it was only 520 pixels wide.

  5. eugbug profile image97
    eugbugposted 5 years ago

    Still seems to be a problem with this.

  6. eugbug profile image97
    eugbugposted 5 years ago

    I think the issue is really that image resolution is limited to 520 pixels wide on mobile, even if opened in a new tab, so if there's any detail such as small text, it can't be read. On desktop, the image opened in a new tab is 1024 pixels wide which is a bit better.
    Could the original resolution be preserved?

  7. eugbug profile image97
    eugbugposted 5 years ago

    Can anyone think of a workaround for this? I can't put symbols, superscripts, subscripts etc into a table capsule, so I have to make tables in Excel and save as an image. But my 2175 pixel wide images are reducing down to 520 wide after upload, so text detail can't be viewed when zoomed (well zoom doesn't actually work).

    1. lobobrandon profile image88
      lobobrandonposted 5 years agoin reply to this

      Link out to a Google spreadsheet document that is visible but not editable by others. Or the harder way is to convert your spreadsheet into the same dimension and work with a smaller window so you get one that is roughly 520 px wide and then do a screen grab.

  8. eugbug profile image97
    eugbugposted 5 years ago

    I scaled the image in PSP down to 520 wide and the element names are illegible. So that seems to be the issue (possibly compression is also being done on images post upload, they are converted to webP format?)

 
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