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authoryipstanley <stanley_yip@brown.edu>2019-07-16 12:06:38 -0400
committeryipstanley <stanley_yip@brown.edu>2019-07-16 12:06:38 -0400
commitaa32601952f9387d85d6f109aef9ad39396d3f98 (patch)
treea3d8d0d6407b26049b5c49468f5102ca7e15144a /src/client/views/collections/CollectionVideoView.tsx
parent78faa73f1d4a315a3d76613bdcbb894e2428ee10 (diff)
parente51cfce53ea32047bec1fb72cebcc095c02c84a5 (diff)
Merge branch 'master' of https://github.com/browngraphicslab/Dash-Web
Diffstat (limited to 'src/client/views/collections/CollectionVideoView.tsx')
-rw-r--r--src/client/views/collections/CollectionVideoView.tsx4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/client/views/collections/CollectionVideoView.tsx b/src/client/views/collections/CollectionVideoView.tsx
index f731c4cef..faf507496 100644
--- a/src/client/views/collections/CollectionVideoView.tsx
+++ b/src/client/views/collections/CollectionVideoView.tsx
@@ -88,14 +88,14 @@ export class CollectionVideoView extends React.Component<FieldViewProps> {
canvas.width = 640;
canvas.height = 640 * NumCast(this.props.Document.nativeHeight) / NumCast(this.props.Document.nativeWidth);
var ctx = canvas.getContext('2d');//draw image to canvas. scale to target dimensions
- ctx && ctx.drawImage(this._videoBox!.player!, 0, 0, canvas.width, canvas.height);
+ this._videoBox!.player && ctx && ctx.drawImage(this._videoBox!.player!, 0, 0, canvas.width, canvas.height);
//convert to desired file format
var dataUrl = canvas.toDataURL('image/png'); // can also use 'image/png'
// if you want to preview the captured image,
let filename = encodeURIComponent("snapshot" + this.props.Document.title + "_" + this.props.Document.curPage).replace(/\./g, "");
- SearchBox.convertDataUri(dataUrl, filename).then((returnedFilename) => {
+ SearchBox.convertDataUri(dataUrl, filename).then(returnedFilename => {
if (returnedFilename) {
let url = DocServer.prepend(returnedFilename);
let imageSummary = Docs.Create.ImageDocument(url, {