Moving from ASP to PHP: Image questions

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  • Giggle Girl
    #1

    Moving from ASP to PHP: Image questions

    Overall Background:
    I am in charge of migrating an already-made Content Mangement System
    from ASP to PHP. I do not know PHP -- yet! I am trying to foresee
    potential issues, and here is one.

    Image Specific Background:
    The ASP version of the CMS uses a 3rd party component to accept the
    uploading of images, and then to resize them so that thumbnails are
    made (as well as the original image) for photo albums.
    [color=blue]
    >From what I have researched, new releases of PHP have image[/color]
    manipulating abilities built-in to the language. But most of what I
    have seen is "real-time" conversion where the PHP spits out a stream of
    manipulated images. I want to be able to make a thumbnail for each
    image, which will be saved to the server, and then reference this
    thumbnail in a database.

    Can someone point me to code that relates to this?

    Or offer their thoughts on this? Any forseeable problems, especially
    related to File Writing (making a new image) or shortcomings of
    built-in image manipulation capabilities? (In the 3rd party ASP version
    we had to get a really old version of a component that allowed GIF
    manipulation, due to licensing issues, for instance.)

    Any thoughts from PHP developers are appreciated!

    Thanks,
    Ann

    Tags: None
    • R. Rajesh Jeba Anbiah
      #2
      Re: Moving from ASP to PHP: Image questions

      Giggle Girl wrote:
      <snip>[color=blue]
      >From what I have researched, new releases of PHP have image
      > manipulating abilities built-in to the language. But most of what I
      > have seen is "real-time" conversion where the PHP spits out a stream of
      > manipulated images. I want to be able to make a thumbnail for each
      > image, which will be saved to the server, and then reference this
      > thumbnail in a database.
      >
      > Can someone point me to code that relates to this?[/color]

      1. http://www.google.com/search?q=php+thumbnail
      2. http://www.sum-it.nl/en200319.php3

      --
      <?php echo 'Just another PHP saint'; ?>
      Email: rrjanbiah-at-Y!com Blog: http://rajeshanbiah.blogspot.com/

        Comment

        • JDS
          #3
          Re: Moving from ASP to PHP: Image questions

          On Mon, 07 Nov 2005 10:30:48 -0800, Giggle Girl wrote:
          [color=blue]
          > In the 3rd party ASP version
          > we had to get a really old version of a component that allowed GIF
          > manipulation, due to licensing issues, for instance.[/color]

          GIF Licensing issues are moot anymore:

          Global Technology Solutions – Keep Breaking Through
          http://www.unisys.com/about__unisys/lzw
          Unisys is a global technology solutions company for cloud, data and AI, digital workplace, logistics and enterprise computing solutions.


          --
          JDS | jeffrey@example .invalid
          | http://www.newtnotes.com
          DJMBS | http://newtnotes.com/doctor-jeff-master-brainsurgeon/

            Comment

            • Colin McKinnon
              #4
              Re: Moving from ASP to PHP: Image questions

              Giggle Girl wrote:
              [color=blue]
              > Overall Background:
              > I am in charge of migrating an already-made Content Mangement System
              > from ASP to PHP.[/color]

              You might find asp2php helpful (http://asp2php.naken.cc/)
              [color=blue]
              >[color=green]
              >>From what I have researched, new releases of PHP have image[/color]
              > manipulating abilities built-in to the language. But most of what I
              > have seen is "real-time" conversion where the PHP spits out a stream of
              > manipulated images. I want to be able to make a thumbnail for each
              > image, which will be saved to the server, and then reference this
              > thumbnail in a database.
              >[/color]

              There's lots - try searching for PHP & thumbnails at freshmeat.net.

              If you're running on Linux, there are lots of CLI based tools which will do
              the job a lot better than I could using the GD library. Invoking shell
              based programs (and their availabilty) is not so good on a MS platform
              though. Last time I checked, the GD lib still doesn't do GIF saving - but
              PNG gives better compression and supports larger pallettes anyway.

              HTH

              C.

                Comment

                • Webmontreal.com
                  #5
                  Re: Moving from ASP to PHP: Image questions

                  I use gd lib
                  PHP: GD and Image Functions - Manual
                  http://www.php.net/manual/en/ref.image.php
                  GD and Image Functions

                  Make sure your host installs it.

                    Comment

                    • Raqueeb Hassan
                      #6
                      Re: Moving from ASP to PHP: Image questions

                      > I use gd lib

                      Well, same here ... and I guess, png is doing lot better than what gif
                      does!
                      [color=blue]
                      > I want to be able to make a thumbnail for each
                      > image, which will be saved to the server, and then reference this
                      > thumbnail in a database.[/color]

                      gd will help you in that regard.

                      --
                      Raqueeb Hassan
                      Bangladesh

                        Comment

                        • Raqueeb Hassan
                          #7
                          Re: Moving from ASP to PHP: Image questions

                          > I use gd lib

                          Well, same here ... and I guess, png is doing lot better than what gif
                          does!
                          [color=blue]
                          > I want to be able to make a thumbnail for each
                          > image, which will be saved to the server, and then reference this
                          > thumbnail in a database.[/color]

                          gd will help you in that regard.

                          --
                          Raqueeb Hassan
                          Bangladesh

                            Comment

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