save zoom canvas

This commit is contained in:
Andrey Kuvshinov
2020-04-29 16:28:15 +03:00
parent 50b4cf7381
commit 9aa4358b20
2 changed files with 11 additions and 4 deletions

View File

@@ -16,6 +16,7 @@ function renderPage() {
var context = canvas.getContext('2d'); var context = canvas.getContext('2d');
//var viewport = page.getViewport({scale: scale}); //var viewport = page.getViewport({scale: scale});
var viewport = page.getViewport({scale: 1.5}); var viewport = page.getViewport({scale: 1.5});
// var viewport = page.getViewport(canvas.width / page.getViewport(0.5).width)
canvas.height = viewport.height; canvas.height = viewport.height;
@@ -37,7 +38,7 @@ function renderPage() {
pageNumPending = null; pageNumPending = null;
} }
document.getElementById('zoompdf').innerHTML = scale + 'x'; // document.getElementById('zoompdf').innerHTML = scale + 'x';
el_title.innerHTML = 'Приятного чтения ↓'; el_title.innerHTML = 'Приятного чтения ↓';
}); });
}); });
@@ -83,12 +84,16 @@ function resize_plus(){
var div = document.getElementById("the-canvas"); var div = document.getElementById("the-canvas");
cnt += 4; cnt += 4;
div.style.width = cnt+"%"; div.style.width = cnt+"%";
setzoom(cnt);
} }
function resize_minus(){ function resize_minus(){
var div = document.getElementById("the-canvas"); var div = document.getElementById("the-canvas");
cnt -= 4; cnt -= 4;
div.style.width = cnt+"%"; div.style.width = cnt+"%";
setzoom(cnt);
} }
function getzoom(){ function getzoom(){
var name = 'pdfscale'; var name = 'pdfscale';
@@ -120,11 +125,13 @@ function setzoom( cvalue, exdays = 30 ) {
function startpdfviewer(){ function startpdfviewer(){
var div = document.getElementById("the-canvas");
czoom = getzoom(); czoom = getzoom();
if (czoom != null) if (czoom != null)
scale = czoom; div.style.width = czoom+"%";
pdfjsLib.getDocument(url).promise.then(function(pdfDoc_) { pdfjsLib.getDocument(url).promise.then(function(pdfDoc_) {

View File

@@ -2,7 +2,7 @@
<head> <head>
<title>Еженедельник Аргументы Недели - <?=$title?></title> <title>Еженедельник Аргументы Недели - <?=$title?></title>
<script src="/pub/scripts/pdf.min.js"></script> <script src="/pub/scripts/pdf.min.js"></script>
<script src="/pub/scripts/anviewer.js?ver=16"></script> <script src="/pub/scripts/anviewer.js?ver=18"></script>
<link rel="stylesheet" type="text/css" href="/pub/css/an.css?ver=27"> <link rel="stylesheet" type="text/css" href="/pub/css/an.css?ver=27">
<link rel="icon" type="image/ico" href="https://argumenti.ru/favicon.ico"> <link rel="icon" type="image/ico" href="https://argumenti.ru/favicon.ico">
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0">