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Fix whiteboard download and export

This commit is contained in:
yflory 2021-02-23 18:07:40 +01:00
parent 193ea3033e
commit 3d4adb4598
1 changed files with 22 additions and 1 deletions
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23
www/whiteboard/export.js
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@ -14,8 +14,29 @@ define([
var canvas = new Fabric.Canvas(canvas_node);
var content = userDoc.content;
canvas.loadFromJSON(content, function () {
var w = 0;
var h = 0;
var MAX = 8192;
canvas.forEachObject(function (obj) {
var c = obj.getCoords();
Object.keys(c).forEach(function (k) {
if (c[k].x > w) { w = c[k].x + 1; }
if (c[k].y > h) { h = c[k].y + 1; }
});
});
w = Math.min(w, MAX);
h = Math.min(h, MAX);
canvas.setWidth(w);
canvas.setHeight(h);
canvas.calcOffset();
module.ext = '.png';
canvas_node.toBlob(cb);
/*
module.ext = '.svg';
cb(canvas.toSVG());
cb(new Blob([canvas.toSVG()], {type: 'image/svg+xml'}));
*/
});
};