let jspdf = document.
createElement("script");
jspdf.onload = function () {
let pdfDocumentName = "Document";
let doc;
function generatePDF (){
let imgTags = document.getElementsByTagName("img");
let checkURLString = "blob:https://drive.google.com/";
let validImgTagCounter = 0;
for (i = 0; i < imgTags.length; i++) {
if (imgTags[i].src.substring(0, checkURLString.length) ===
checkURLString){
validImgTagCounter = validImgTagCounter + 1;
//console.log(imgTags[i].src);
let img = imgTags[i];
let canvas = document.createElement('canvas');
let context = canvas.getContext("2d");
canvas.width = img.naturalWidth;
canvas.height = img.naturalHeight;
//console.log("Width: " + img.naturalWidth + ", Height: " +
img.naturalHeight);
context.drawImage(img, 0, 0, img.naturalWidth, img.naturalHeight);
let imgDataURL = canvas.toDataURL();
// console.log(imgDataURL);
//let ratio;
let orientation;
if (img.naturalWidth > img.naturalHeight){
//console.log("Landscape");
orientation = "l";
//ratio = img.naturalWidth/img.naturalHeight
}else {
//console.log("Portrait");
orientation = "p";
//ratio = img.naturalWidth/img.naturalHeight
}
let scalefactor = 1.335;
let pageWidth = img.naturalWidth * scalefactor;
let pageHeight = img.naturalHeight * scalefactor;
//let imagexLeft = (pageWidth - img.naturalWidth)/2;
//let imagexTop = (pageHeight - img.naturalHeight)/2;
if (validImgTagCounter === 1){
doc = new jsPDF({
orientation: orientation,
unit: "px",
format: [pageWidth, pageHeight],
});
doc.addImage(imgDataURL, "PNG", 0, 0, img.naturalWidth,
img.naturalHeight);
}else{
doc.addPage([pageWidth, pageHeight] , orientation);
doc.addImage(imgDataURL, "PNG", 0, 0, img.naturalWidth,
img.naturalHeight);
}
}
}
pdfDocumentName = pdfDocumentName + ".pdf";
doc.save(pdfDocumentName);
}
let allElements = document.querySelectorAll("*");
let chosenElement;
let heightOfScrollableElement = 0;
for (i = 0; i < allElements.length; i++) {
if ( allElements[i].scrollHeight>=allElements[i].clientHeight){
if (heightOfScrollableElement < allElements[i].scrollHeight){
//console.log(allElements[i]);
//console.log(allElements[i].scrollHeight);
heightOfScrollableElement = allElements[i].scrollHeight;
chosenElement = allElements[i];
}
}
}
if (chosenElement.scrollHeight > chosenElement.clientHeight){
console.log("Auto Scroll");
let scrollDistance = Math.round(chosenElement.clientHeight/2);
//console.log("scrollHeight: " + chosenElement.scrollHeight);
//console.log("scrollDistance: " + scrollDistance);
let loopCounter = 0;
function myLoop(remainingHeightToScroll, scrollToLocation) {
loopCounter = loopCounter+1;
console.log(loopCounter);
setTimeout(function() {
if (remainingHeightToScroll === 0){
scrollToLocation = scrollDistance;
chosenElement.scrollTo(0, scrollToLocation);
remainingHeightToScroll = chosenElement.scrollHeight -
scrollDistance;
}else{
scrollToLocation = scrollToLocation + scrollDistance ;
chosenElement.scrollTo(0, scrollToLocation);
remainingHeightToScroll = remainingHeightToScroll -
scrollDistance;
}
if (remainingHeightToScroll >= chosenElement.clientHeight){
myLoop(remainingHeightToScroll, scrollToLocation)
}else{
setTimeout(function() {
generatePDF();
}, 1500)
}
}, 500)
}
myLoop(0, 0);
}else{
console.log("No Scroll");
setTimeout(function() {
generatePDF();
}, 1500)
}
};
jspdf.src = 'https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.5.3/jspdf.debug.js';
document.body.appendChild(jspdf);
