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Creating PDF documents

The Scanbot Web SDK offers functionality for PDF generation. Create the appropriate generator as follows:

const options: Partial<PdfConfiguration> = { pageSize: "A4", pageDirection: "PORTRAIT", pageFit: "FIT_IN", dpi: 72, jpegQuality: 80 };
const generator = await scanbotSDK.beginPdf(options);

Options​

See the API reference for a list of available options and how they play together.

Adding individual pages​

You can add individual images to your PDF document:

await generator.addPage(image);

Adding all pages of a document​

If you obtained a document from the RTU UI, you can add all pages at once:

await generator.addPages(document);

When all images have been added, complete the transaction and receive the resulting byte array:

const bytes = await generator.complete();

As an example, you can force the PDF download of the pages in the browser via:

function saveBytes(data, name) {
    const extension = name.split(".")[1];
    const a = document.createElement("a");
    document.body.appendChild(a);
    a.style = "display: none";
    const blob = new Blob([data], {type: `application/${extension}`});
    const url = window.URL.createObjectURL(blob);
    a.href = url;
    a.download = name;
    a.click();
    window.URL.revokeObjectURL(url);
}

And then call it as such:

saveBytes(bytes, "generated.pdf");

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