Loading a LONG list with images

Dan Friedman dan at clearvisiontech.com
Mon Feb 21 18:06:37 EST 2022


Richard,

Probably not over a couple thousand.  The images are square -- they need to be resized to the DG template image size, but not scaled (H vs W).

-Dan
 

On 2/21/22, 12:14 PM, "use-livecode on behalf of Richard Gaskin via use-livecode" <use-livecode-bounces at lists.runrev.com on behalf of use-livecode at lists.runrev.com> wrote:

    How many images?

    I once made a solution for 3,000 images, but it may not scale well above 
    8,000 or so depending on memory and connection speed.

    -- 
      Richard Gaskin
      Fourth World Systems




    Dan Friedman wrote:

     > Does anyone have any answers to the issue of loading a long list with
     > images so that it loads images "as needed" like a webpage does.
     >
     > I have a DataGrid with several hundred rows.  Each row has a specific
     > image that is to be displayed with that row (like a list of songs).
     > The image is loaded from the web.   Is there a method to load the
     > DataGrid and only load the images for the rows that are shown?   And,
     > when you scroll the grid, the images for the newly shown rows are then
     > loaded.  The loading need to happen somehow without halting the
     > scrolling or making it stutter.
     >
     > I hope that makes sense!
     > -Dan



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