Draw Timeline while rendering Excel to PDF with JavaScript via C++

Draw Timeline while rendering Excel to PDF

If you have an Excel file which has a timeline applied to it and you want to export the Excel to PDF with the timeline settings, Aspose.Cells for JavaScript via C++ now supports this by default. You simply export the Excel file with a timeline to PDF, and the generated PDF will show the timeline applied.

The following sample code loads the sample Excel file that contains an existing timeline. It then saves the workbook as output PDF file. The following screenshot compares the source Excel file and the generated PDF file.

Sample Code

<!DOCTYPE html>
<html>
    <head>
        <title>Aspose.Cells Example</title>
    </head>
    <body>
        <h1>Aspose.Cells Example</h1>
        <input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
        <button id="runExample">Run Example</button>
        <a id="downloadLink" style="display: none;">Download Result</a>
        <div id="result"></div>
    </body>

    <script src="aspose.cells.js.min.js"></script>
    <script type="text/javascript">
        const { Workbook, SaveFormat, Utils } = AsposeCells;
        
        AsposeCells.onReady({
            license: "/lic/aspose.cells.enc",
            fontPath: "/fonts/",
            fontList: [
                "arial.ttf",
                "NotoSansSC-Regular.ttf"
            ]
        }).then(() => {
            console.log("Aspose.Cells initialized");
        });

        document.getElementById('runExample').addEventListener('click', async () => {
            const fileInput = document.getElementById('fileInput');
            const resultDiv = document.getElementById('result');
            if (!fileInput.files.length) {
                resultDiv.innerHTML = '<p style="color: red;">Please select an Excel file.</p>';
                return;
            }

            const file = fileInput.files[0];
            const arrayBuffer = await file.arrayBuffer();

            // Instantiating a Workbook object from the uploaded file
            const workbook = new Workbook(new Uint8Array(arrayBuffer));

            // Saving the workbook to PDF format (browser)
            const outputData = workbook.save(SaveFormat.Pdf);
            const blob = new Blob([outputData], { type: 'application/pdf' });
            const downloadLink = document.getElementById('downloadLink');
            downloadLink.href = URL.createObjectURL(blob);
            downloadLink.download = 'out.pdf';
            downloadLink.style.display = 'block';
            downloadLink.textContent = 'Download PDF File';

            resultDiv.innerHTML = '<p style="color: green;">PDF generated successfully! Click the download link to get the PDF file.</p>';
        });
    </script>
</html>
Rendering Timeline