TryCF Gist

trycf-gist-1598961979183-18cef0b9-138d-59bb-c060-694b048d8b1c.cfm

<cfscript>
    dump(server.lucee.version);
    w = 250;
    h = 250;
    image=  ImageNew(source="", width=w, height=h, imageType="rgb", canvascolor='red');
    transparentBorder = ImageNew(source="", width=w, height=h, imageType="argb");
    ImagePaste(image1=transparentBorder, image2=image, x=5, y=5);dump(transparentBorder);
    image action="writetobrowser" source="#transparentBorder#" format="png";
    try {
        // throws All factories fail for the operation "filestore"
        image action="writetobrowser" 
            source="#transparentBorder#" 
            format="jpeg";
    } catch (e){
        dump(cfcatch);
    }
</cfscript>