base64 image
To use the function as seen in the example, use following code:
function postEvent(functionName, detail) {
const integrationElement = document.getElementById('mapIntegrationElement').contentWindow
if(integrationElement){
integrationElement.postMessage({functionName: functionName, detail: detail}, "*")
}
}
[...]
const parameter = {
"extent": {
"spatialReference": {"wkid": 25833},
"xmin": 361956.5945940225,
"ymin": 5623086.214842096,
"xmax": 475992.23933197866,
"ymax": 5700080.118829904
},
"format": "png",
"quality": 98,
"title": "Example Screenshot",
"copyright": "Hello World",
"directDownload": false // set to true if you want to get the result as base64 code
}
postEvent("generateMapExport",parameter )
// To get the base64 image:
window.addEventListener(
"message",
(evt) => {
const functionName = evt.data.functionName
if(!functionName){
return;
}
switch (functionName){
case "getGenerateMapExport": {
response(evt);
break;
}
default:{}
}
},
false
);