diff options
Diffstat (limited to 'src/client/views/nodes/VideoBox.tsx')
-rw-r--r-- | src/client/views/nodes/VideoBox.tsx | 101 |
1 files changed, 51 insertions, 50 deletions
diff --git a/src/client/views/nodes/VideoBox.tsx b/src/client/views/nodes/VideoBox.tsx index d2657227a..1f8636826 100644 --- a/src/client/views/nodes/VideoBox.tsx +++ b/src/client/views/nodes/VideoBox.tsx @@ -89,6 +89,56 @@ export class VideoBox extends DocComponent<FieldViewProps, VideoDocument>(VideoD this._youtubePlayer && this.props.addDocTab(this.props.Document, this.props.DataDoc, "inTab"); } + @action public Snapshot() { + let width = NumCast(this.props.Document.width); + let height = NumCast(this.props.Document.height); + var canvas = document.createElement('canvas'); + 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 + if (ctx) { + ctx.rect(0, 0, canvas.width, canvas.height); + ctx.fillStyle = "blue"; + ctx.fill(); + this._videoRef && ctx.drawImage(this._videoRef, 0, 0, canvas.width, canvas.height); + } + + if (!this._videoRef) { // can't find a way to take snapshots of videos + let b = Docs.Create.ButtonDocument({ + x: NumCast(this.props.Document.x) + width, y: NumCast(this.props.Document.y), + width: 150, height: 50, title: NumCast(this.props.Document.curPage).toString() + }); + const script = CompileScript(`(self as any).curPage = ${NumCast(this.props.Document.curPage)}`, { + params: { this: Doc.name }, + capturedVariables: { self: this.props.Document }, + typecheck: false, + editable: true, + }); + if (script.compiled) { + b.onClick = new ScriptField(script); + this.props.ContainingCollectionView && this.props.ContainingCollectionView.props.addDocument && this.props.ContainingCollectionView.props.addDocument(b, false); + } else { + console.log(script.errors.map(error => error.messageText).join("\n")); + } + } else { + //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, ""); + VideoBox.convertDataUri(dataUrl, filename).then(returnedFilename => { + if (returnedFilename) { + let url = Utils.prepend(returnedFilename); + let imageSummary = Docs.Create.ImageDocument(url, { + x: NumCast(this.props.Document.x) + width, y: NumCast(this.props.Document.y), + width: 150, height: height / width * 150, title: "--snapshot" + NumCast(this.props.Document.curPage) + " image-" + }); + this.props.ContainingCollectionView && this.props.ContainingCollectionView.props.addDocument && this.props.ContainingCollectionView.props.addDocument(imageSummary, false); + DocUtils.MakeLink(imageSummary, this.props.Document); + } + }); + } + } + @action updateTimecode = () => { this.player && (this.props.Document.curPage = this.player.currentTime); @@ -152,56 +202,7 @@ export class VideoBox extends DocComponent<FieldViewProps, VideoDocument>(VideoD let subitems: ContextMenuProps[] = []; subitems.push({ description: "Copy path", event: () => { Utils.CopyText(url); }, icon: "expand-arrows-alt" }); subitems.push({ description: "Toggle Show Controls", event: action(() => VideoBox._showControls = !VideoBox._showControls), icon: "expand-arrows-alt" }); - let width = NumCast(this.props.Document.width); - let height = NumCast(this.props.Document.height); - subitems.push({ - description: "Take Snapshot", event: async () => { - var canvas = document.createElement('canvas'); - 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 - if (ctx) { - ctx.rect(0, 0, canvas.width, canvas.height); - ctx.fillStyle = "blue"; - ctx.fill(); - this._videoRef && ctx.drawImage(this._videoRef, 0, 0, canvas.width, canvas.height); - } - - if (!this._videoRef) { // can't find a way to take snapshots of videos - let b = Docs.Create.ButtonDocument({ - x: NumCast(this.props.Document.x) + width, y: NumCast(this.props.Document.y), width: 150, height: 50, title: NumCast(this.props.Document.curPage).toString() - }); - const script = CompileScript(`this.props.Document.curPage = ${NumCast(this.props.Document.curPage)}`, { - params: { this: Doc.name }, - typecheck: false, - editable: true, - }); - if (!script.compiled) { - console.log(script.errors.map(error => error.messageText).join("\n")); - return; - } - b.onClick = new ScriptField(script); - this.props.ContainingCollectionView && this.props.ContainingCollectionView.props.addDocument && this.props.ContainingCollectionView.props.addDocument(b, false); - } else { - //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, ""); - VideoBox.convertDataUri(dataUrl, filename).then(returnedFilename => { - if (returnedFilename) { - let url = Utils.prepend(returnedFilename); - let imageSummary = Docs.Create.ImageDocument(url, { - x: NumCast(this.props.Document.x) + width, y: NumCast(this.props.Document.y), - width: 150, height: height / width * 150, title: "--snapshot" + NumCast(this.props.Document.curPage) + " image-" - }); - this.props.ContainingCollectionView && this.props.ContainingCollectionView.props.addDocument && this.props.ContainingCollectionView.props.addDocument(imageSummary, false); - DocUtils.MakeLink(imageSummary, this.props.Document); - } - }); - } - }, - icon: "expand-arrows-alt" - }); + subitems.push({ description: "Take Snapshot", event: () => this.Snapshot(), icon: "expand-arrows-alt" }); ContextMenu.Instance.addItem({ description: "Video Funcs...", subitems: subitems, icon: "video" }); } } |