PDF not show when browser zoom is low or low resolution

[Sarebok85]

• Bug report -> please search issues before submitting

Hi, i have a problem with component. I have a Blob that get URL to use SRC in component and when i down the zoom in the browser (Chrome, for example, but happend in all browser) cant see PDF. I see the LoadingIcon and not appear the PDF.

Html:
<pdf-viewer [src]="urlPDF" style="display: block;"></pdf-viewer>

Component:

this.blobPDF = this.b64toBlob([BLOB], "application/pdf");
this.urlPDF = URL.createObjectURL(this.blobPDF);

B64toBlob Function:

private b64toBlob(b64Data, contentType, sliceSize = 512): Blob {
const byteCharacters = atob(b64Data);
const byteArrays = [];

    for (let offset = 0; offset < byteCharacters.length; offset += sliceSize) {
      const slice = byteCharacters.slice(offset, offset + sliceSize);

      const byteNumbers = new Array(slice.length);
      for (let i = 0; i < slice.length; i++) {
        byteNumbers[i] = slice.charCodeAt(i);
      }

      const byteArray = new Uint8Array(byteNumbers);

      byteArrays.push(byteArray);
    }

    const blob = new Blob(byteArrays, { type: contentType });
    return blob;
  }

[waterskier2007]

@VadimDez is there any update on this?

[ragafus]

Same problem happening here with the latest version (5.2.1), zoom<=50% and reloading in the same tab. If i open a new tab and go to the URL with the PDF, the issue appears when zoom < 100%.

[MilanRaval]

I have similar issue but for zoom > 0.98. PDF is visible till I set zoom = 0.98 but if zoom is set to 0.99 or more than it shows loading icon.

[VadimDez]

Fixed in 6.0.0 See https://github.com/VadimDez/ng2-pdf-viewer/blob/master/CHANGELOG.md#600

[neetuvdb]

can anyone tell me the step, I got many errors like ERROR in node_modules/ng2-pdf-viewer/src/app/pdf-viewer/pdf-viewer.module.d.ts:7:100 - error TS2305: Module '"../../../../@types/pdfjs-dist"' has no exported member 'PDFPromise'

I did removed ng_module and update version like:

"ng2-pdf-viewer": "6.1.3",
"pdfjs-dist": "2.5.207",

"ng2-pdf-viewer": "~5.3.4"
"pdfjs-dist": "~2.5.207"

not worked.