scaling without getting outside the frame ...


    Mar 30 2006 | 10:47 pm
    hi, list;
    spent some time on that problem now and couldn't find exactly what i was looking for in
    the archives, so i dare posting this question now. sorry if it's brought on before:
    i want to zoom in and scroll around inside an image/a movie using the "scale" and
    "position" messages on a [jit.gl.videoplane] object - is there an EASY way to make sure
    that i'm never getting into the black area (= outside the picture).
    is there a better or more convenient way to achieve this scrolling like effect like in
    adobe photoshop ? i gave the "srcdim" and "dstdim" messages a try but they don't really do
    what i'm looking for and it seems quite difficult to get a distinct zoom-like effect using
    them.
    precisely what i want to do is: to zoom into a picture, scroll around, then zoom even more
    into it - staying in the last position. then zoom out again and, regardless what position
    i have, never getting into the black.
    if somebody has already made an effort on this - please give advice or post a patch
    thank you
    oliver

    • Mar 31 2006 | 3:03 pm
      You might try jit.repos with a static videoplane. Check out some of
      the example patches for repos.
      best,
      dan
      --
      ***
      http://danwinckler.com
      http://share.dj