Node.js Library for PowerPoint File Formats

Aspose.Slides for Node.js via .NET is a PowerPoint API for presentations manipulation and management. It allows developers to read, write, convert and manipulate PowerPoint presentations using Node.js. All document elements such as slides, tables, text, charts, shapes, images and SmartArt diagrams are accessible for manipulation, supports exporting presentations to PDF, PDF/A, HTML, XPS and image formats. The PowerPoint API includes many extended PPT and PPTX features as: merge, clone, split, compare presentations.

Node.js PowerPoint Library Features

- Create or clone existing slides from templates.
- Save & open files to & from streams.
- Generate presentations from database.
- Create shapes and add text to shapes on slides.
- Work with PowerPoint tables.
- Handle text & shape formatting.
- Remove or apply the protection on shapes.
- Embed Excel charts as OLE objects in slides.
- Work with ActiveX component.

Read & Write PowerPoint Files

Microsoft PowerPoint: PPT, PPTX, PPS, POT, PPSX, PPTM, PPSM, POTX, POTM
OpenOffice: ODP, ODS
Text: CSV, Tab-Delimited, TXT, JSON
Web: HTML, MHTML

Save PowerPoint Files As

Fixed Layout: PDF, XPS
Images: JPEG, PNG, BMP, SVG, TIFF, GIF, EMF
Text: CSV, Tab-Delimited, JSON, SQL, XML
Web: HTML

Getting Started with Aspose.Slides for Node.js via .NET

Aspose.Slides for Node.js via .NET is a javascript wrapper that works with the .NET6 or above runtime.

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1. .NET6 or above.
2. https://www.npmjs.com/package/edge-js
3. https://www.npmjs.com/package/mocha (for unit tests)
4. Node.js

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From the command line:

``

npm

npm install aspose.slides.via.net





Please use the following article for details.



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javascript

// Import the Aspose.Slides module for PowerPoint file manipulation

const asposeSlides = require('aspose.slides.via.net');



// Add necessary classes from the asposeSlides

const { Presentation, SaveFormat, PdfOptions } = asposeSlides;



const fs = require('fs');

if (!fs.existsSync("out")) fs.mkdirSync("out");



// Create and save an empty presentation to demonstrate basic functionality

function createEmptyPresentation() {

	

    // Initialize a new empty presentation

    var emptyPresentation = new Presentation();

    

    // Save the empty presentation in PPTX format

    emptyPresentation.save("out/emptyPresentation.pptx", SaveFormat.Pptx);

    

    // Release resources associated with the presentation

    emptyPresentation.dispose();

}

createEmptyPresentation(); // Execute the function to create an empty presentation

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javascript

// Import the Aspose.Slides module for PowerPoint file manipulation

const asposeSlides = require('aspose.slides.via.net');



const {

    Presentation,

    BackgroundType,

    FillType,

    ImageFormat

} = asposeSlides;



const fs = require('fs');



// Function to demonstrate creating and manipulating a presentation

function manipulatePresentation() {

	

    // Create a new presentation instance

    var pres = new Presentation();

    

    // Add an empty slide to the presentation

    pres.slides.addEmptySlide(pres.layoutSlides.get(0));

    

    // Create another presentation instance for cloning purposes

    var pres2 = new Presentation();

    // Add a clone of the first slide from pres2 into pres

    pres.slides.addClone(pres2.slides.get(0));

    

    // Log the current count of slides in pres

    console.log("countSlides:" + pres.slides.count);



    // Remove the first slide from pres

    pres.slides.removeAt(0);

    

    // Log the new count of slides after removal

    console.log("countSlides:" + pres.slides.count);



    // Access and modify properties of the first slide in pres

    var slide = pres.slides.get(0); // Get the first slide

    var slideNumber = slide.slideNumber; // Get slide number

    var hidden = slide.hidden; // Check if the slide is hidden

	

    // Set the background of the first slide

    slide.background.type = BackgroundType.OwnBackground; // Set background type

    slide.background.fillFormat.fillType = FillType.Solid; // Set fill type to solid

    slide.background.fillFormat.solidFillColor.color = "#AEC025F4"; // Set a solid fill color



    // Log background type and color of the first slide

    console.log("backgroundType:" + slide.background.type);

    console.log("backgroundColor:" + slide.background.fillFormat.solidFillColor.color);



	if (!fs.existsSync("out")) fs.mkdirSync("out");



   // Generate and save a thumbnail of the first slide

    var slideThumbnail = slide.getThumbnailWithImageSize({width: 960, height: 720}); // Get slide thumbnail

    slideThumbnail.save("out/slide-thumbnail.png", ImageFormat.Png); // Save thumbnail as PNG



    // Save the presentation to a file

    pres.save("out/slides-manipulation.pptx", asposeSlides.SaveFormat.Pptx);



    // Dispose of presentation objects to free resources

    pres.dispose();

    pres2.dispose();

}