API PowerPoint สำหรับ Node.js - Aspose.Slides สำหรับ Node.js ผ่าน Java

var aspose = aspose || {};

aspose.slides = require("aspose.slides.via.java");

var pres = new aspose.slides.Presentation();
try
{
    // Gets the first slide
    var slide = pres.getSlides().get_Item(0);
    // Adds an autoshape with type set to rectangle
    slide.getShapes().addAutoShape(aspose.slides.ShapeType.Rectangle, 50, 150, 300, 200);
    pres.save("outputPresentation.pptx", aspose.slides.SaveFormat.Pptx);
}
finally
{
    if (pres != null) pres.dispose();
}

var aspose = aspose || {};

aspose.slides = require("aspose.slides.via.java");

var pres1 = new aspose.slides.Presentation("pres1.pptx");
var pres2 = new aspose.slides.Presentation("pres2.pptx");
try
{
    for (var i = 0; i < pres2.getSlides().size(); i++) 
    {
        pres1.getSlides().addClone(pres2.getSlides().get_Item(i));
    }
    pres1.save("combinedPresentation.pptx", aspose.slides.SaveFormat.Pptx);
}
finally
{
    if (pres1 != null) pres1.dispose();
    if (pres2 != null) pres2.dispose();
}

var aspose = aspose || {};

aspose.slides = require("aspose.slides.via.java");

// Instantiate a Presentation object that represents a PPT file
var pres = new aspose.slides.Presentation("PowerPoint.ppt");
try
{
    // Save the presentation as PDF
    pres.save("PPT-to-PDF.pdf", aspose.slides.SaveFormat.Pdf);
}
finally
{
    if (pres != null) pres.dispose();
}

var aspose = aspose || {};
var java = require("java");

aspose.slides = require("aspose.slides.via.java");

// Instantiate a Presentation object that represents a PPT file
var pres = new aspose.slides.Presentation("pres.pptx");
try
{
    for (var i = 0; i < pres.getSlides().size(); i++)
    {
        var bmp = pres.getSlides().get_Item(i).getThumbnail(1, 1);
        var imageio = java.newInstanceSync("javax.imageio.ImageIO");
        var file = java.newInstanceSync("java.io.File", "slide_" + i + ".jpg");
        imageio.write(bmp, "JPEG", file);
    }
}
finally
{
    if (pres != null) pres.dispose();
}

var aspose = aspose || {};

aspose.slides = require("aspose.slides.via.java");

var pres = new aspose.slides.Presentation();
try
{
    pres.getSlides().removeAt(0);
    pres.getSlides().addFromPdf("welcome-to-powerpoint.pdf");
    pres.save("outputPresentation.pptx", aspose.slides.SaveFormat.Pptx);
}
finally
{
    if (pres != null) pres.dispose();
}