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[Bug]: webContents.print() not working correctly #28828

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3 tasks done
antiochtech opened this issue Apr 24, 2021 · 3 comments
Closed
3 tasks done

[Bug]: webContents.print() not working correctly #28828

antiochtech opened this issue Apr 24, 2021 · 3 comments
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11-x-y bug 🪲 has-repro-comment Issue has repro in comments platform/linux

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@antiochtech
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Preflight Checklist

Electron Version

11.2.3

What operating system are you using?

Ubuntu

Operating System Version

18.04

What arch are you using?

x64

Last Known Working Electron version

No response

Expected Behavior

expected to print to hardware printers, as well as virtual printers, with margins and any other options as specified.

Actual Behavior

does not print to hardware printer. instead device perpetually indicates that it is processing data.

prints to virtual pdf printer, ignoring specified options such as margintype and margins when margintype is custom.

Testcase Gist URL

No response

Additional Information

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
    </head>
    <body>
        <div style="position: absolute; top: 0in; left: 0in;">0</div>
        <div style="position: absolute; top: 0in; left: 1in;">1</div>
        <div style="position: absolute; top: 0in; left: 2in;">2</div>
        <div style="position: absolute; top: 0in; left: 3in;">3</div>
        <div style="position: absolute; top: 0in; left: 4in;">4</div>
        <div style="position: absolute; top: 0in; left: 5in;">5</div>
        <div style="position: absolute; top: 0in; left: 6in;">6</div>
        <div style="position: absolute; top: 0in; left: 6.5in;">6.5</div>

        <div style="position: absolute; top: 0in; left: 0in;">0</div>
        <div style="position: absolute; top: 1in; left: 0in;">1</div>
        <div style="position: absolute; top: 2in; left: 0in;">2</div>
        <div style="position: absolute; top: 3in; left: 0in;">3</div>
        <div style="position: absolute; top: 4in; left: 0in;">4</div>
        <div style="position: absolute; top: 5in; left: 0in;">5</div>
        <div style="position: absolute; top: 6in; left: 0in;">6</div>
        <div style="position: absolute; top: 7in; left: 0in;">7</div>
        <div style="position: absolute; top: 8in; left: 0in;">8</div>
        <div style="position: absolute; top: 9in; left: 0in;">9</div>
    </body>
    <script>
        document.addEventListener("DOMContentLoaded", function () {
            let win = BrowserWindow.getFocusedWindow();
            var options = {
                color: false,
                dpi: {
                    horizontal: 300,
                    vertical: 300
                },
                margins: {
                    marginType: "custom",
                    top: 300,
                    bottom: 300,
                    left: 300,
                    right: 300
                },
                pageSize: "Letter"
            };

            win.webContents.print(options, (success, failureReason) => {
                if (!success) console.log(failureReason);
                console.log('Print Initiated');
            });
        });
    </script>
</html>
@abnerlee
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abnerlee commented Jul 20, 2021 •
edited
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I met the same issue on 13.1.7 on Ubuntu

Message is "libva error: va_getDriverName() failed with unknown libva error,driver_name=(null)"

may relates intel/libva#278

execute "window.print()" directly in rendered works, though.

@abnerlee abnerlee mentioned this issue Jul 20, 2021
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@antiochtech
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antiochtech commented Jul 20, 2021 •
edited
Loading

i eventually used printToPDF(), PDFJS and then the pdf-to-printer module to both workaround it and provide a preview.

@codebytere
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Closing as this should be working in latest supported versions.

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@abnerlee @codebytere @mlaurencin @antiochtech