Converting and resizing images in FileMaker with pure Javascript instead of GetThumbnail()
FileMaker has a built-in GetThumbnail() function to resize and convert image formats for images stored in container fields. However, there are scattered reports that this isn’t always reliable (like at https://www.reddit.com/r/filemaker/comments/1et224c/strange_container_bug/ and https://community.claris.com/en/s/question/0D53w00005ZIw34CAD/getthumbnail-on-filemaker-go-not-working-with-png-files-when-fm-file-is-hosted. So I used a javascript demo I found (at https://dev.to/ninofiliu/lets-write-an-image-converter-in-20-lines-of-htmljs-bng) to create a webviewer-powered function that uses pure javascript to resize and […]