51 lines
1.7 KiB
JavaScript
51 lines
1.7 KiB
JavaScript
// SPDX-FileCopyrightText: 2023 XWiki CryptPad Team <contact@cryptpad.org> and contributors
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//
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// SPDX-License-Identifier: AGPL-3.0-or-later
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// This file is used when a user tries to export the entire CryptDrive.
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// Pads from the code app will be exported using this format instead of plain text.
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define([
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'/lib/fabric.min.js',
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], function () {
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var module = {};
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var Fabric = window.fabric;
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module.main = function (userDoc, cb) {
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var canvas_node = document.createElement('canvas');
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canvas_node.setAttribute('style', 'width:600px;height:600px;');
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canvas_node.setAttribute('width', '600');
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canvas_node.setAttribute('height', '600');
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var canvas = new Fabric.Canvas(canvas_node);
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var content = userDoc.content;
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canvas.loadFromJSON(content, function () {
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var w = 0;
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var h = 0;
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var MAX = 8192;
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canvas.forEachObject(function (obj) {
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var c = obj.getCoords();
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Object.keys(c).forEach(function (k) {
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if (c[k].x > w) { w = c[k].x + 1; }
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if (c[k].y > h) { h = c[k].y + 1; }
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});
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});
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// Empty documents are rendered as a 600x600 transparent PNG image
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w = w === 0 ? 600 : Math.min(w, MAX);
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h = h === 0 ? 600 : Math.min(h, MAX);
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canvas.setWidth(w);
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canvas.setHeight(h);
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canvas.calcOffset();
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canvas.renderAll();
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module.ext = '.png';
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canvas_node.toBlob(cb);
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/*
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module.ext = '.svg';
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cb(new Blob([canvas.toSVG()], {type: 'image/svg+xml'}));
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*/
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});
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};
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return module;
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});
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