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[ACA-3853] fix use of more recent pdf viewer versions (#6007)

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* fix use of more recent pdf viewer versions

* fix unit test with thte new promise
This commit is contained in:
Eugenio Romano
2020-08-15 19:05:38 +01:00
committed by GitHub
parent d5d9e70e60
commit bf72fd6c9e
6 changed files with 38 additions and 49 deletions
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11
lib/core/viewer/components/pdf-viewer-thumb.component.ts
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@@ -30,23 +30,23 @@ export class PdfThumbComponent implements OnInit {
image$: Promise<string>;
constructor(private sanitizer: DomSanitizer) {}
constructor(private sanitizer: DomSanitizer) {
}
ngOnInit() {
this.image$ = this.page.getPage().then((page) => this.getThumb(page));
}
private getThumb(page): Promise<string> {
const viewport = page.getViewport(1);
const viewport = page.getViewport({ scale: 1 });
const canvas = this.getCanvas();
const scale = Math.min((canvas.height / viewport.height), (canvas.width / viewport.width));
return page.render({
canvasContext: canvas.getContext('2d'),
viewport: page.getViewport(scale)
})
.then(() => {
viewport: page.getViewport({ scale: scale })
}).promise.then(() => {
const imageSource = canvas.toDataURL();
return this.sanitizer.bypassSecurityTrustUrl(imageSource);
});
@@ -58,4 +58,5 @@ export class PdfThumbComponent implements OnInit {
canvas.height = this.page.getHeight();
return canvas;
}
}