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create a thumbnail when uploading images from whiteboard

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ansuz
2017-08-18 12:52:39 +02:00
parent b17044ad98
commit 0693a98890
2 changed files with 65 additions and 8 deletions
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22
www/whiteboard/main.js
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@@ -11,6 +11,7 @@ define([
'/common/cryptget.js',
'/whiteboard/colors.js',
'/customize/application_config.js',
'/common/common-thumbnail.js',
'/bower_components/secure-fabric.js/dist/fabric.min.js',
'/bower_components/file-saver/FileSaver.min.js',
@@ -19,7 +20,7 @@ define([
'less!/customize/src/less/cryptpad.less',
'less!/whiteboard/whiteboard.less',
'less!/customize/src/less/toolbar.less',
], function ($, Config, Realtime, Crypto, Toolbar, TextPatcher, JSONSortify, JsonOT, Cryptpad, Cryptget, Colors, AppConfig) {
], function ($, Config, Realtime, Crypto, Toolbar, TextPatcher, JSONSortify, JsonOT, Cryptpad, Cryptget, Colors, AppConfig, Thumb) {
var saveAs = window.saveAs;
var Messages = Cryptpad.Messages;
@@ -212,13 +213,18 @@ window.canvas = canvas;
module.FM = Cryptpad.createFileManager({});
module.upload = function (title) {
$canvas[0].toBlob(function (blob) {
blob.name = title;
var reader = new FileReader();
reader.onloadend = function () {
module.FM.handleFile(blob);
};
reader.readAsArrayBuffer(blob);
var canvas = $canvas[0];
var finish = function (thumb) {
canvas.toBlob(function (blob) {
blob.name = title;
module.FM.handleFile(blob, void 0, thumb);
});
};
Thumb.fromCanvas(canvas, function (e, blob) {
// carry on even if you can't get a thumbnail
if (e) { console.error(e); }
finish(blob);
});
};