/**
 * Fetches CSRF Token from page
 */
function getCsrfToken() {
    return { 'X-XSRF-TOKEN': document.getElementsByName('__RequestVerificationToken')[0].value }
}

async function getAnnotationParams(leftInInch = 0, topInInch = 0, inchToPointFactor = 72) {

    const annotParams = await fetch(`${window.location.origin}/api/Config/Annotations`, {
        credentials: 'include',
        method: 'GET'
    })
        .then(res => res.json());

    for (var key in annotParams) {
        var annot = annotParams[key];
        annot.width *= inchToPointFactor;
        annot.height *= inchToPointFactor;
        annot.left += leftInInch - 0.7;
        annot.left *= inchToPointFactor;
        annot.top += topInInch - 0.5;
        annot.top *= inchToPointFactor;
    }
    return annotParams;
}