Merge PowerPoint Presentations in Java

merge-presentations-selected-slides.java

// Load first presentation
Presentation presentation1 = new Presentation("presentation1.pptx");

// Load second presentation
Presentation presentation2 = new Presentation("presentation2.pptx");

// Merge slides
for (int index = 0; index< presentation2.getSlides().size(); index = index+2) {
	// Merge slides from source to target
	presentation1.getSlides().addClone(presentation2.getSlides().get_Item(index));
}

// Save the presentation
presentation1.save("merged-presentation.pptx", SaveFormat.Pptx);

merge-presentations-slide-master.java

// Load first presentation
Presentation presentation1 = new Presentation("presentation1.pptx");

// Load second presentation
Presentation presentation2 = new Presentation("presentation2.pptx");

// Merge first two slides only using slide master
presentation1.getSlides().addClone(presentation2.getSlides().get_Item(0), presentation1.getMasters().get_Item(0), true);
presentation1.getSlides().addClone(presentation2.getSlides().get_Item(1), presentation1.getMasters().get_Item(0), true);

// Save the presentation
presentation1.save("merged-presentation.pptx", SaveFormat.Pptx);

merge-presentations.java

// Load first presentation
Presentation presentation1 = new Presentation("presentation1.pptx");

// Load second presentation
Presentation presentation2 = new Presentation("presentation2.pptx");

// Merge slides
for (ISlide slide : presentation2.getSlides()) {
	// Merge slides from source to target
	presentation1.getSlides().addClone(slide);
}

// Save the presentation
presentation1.save("merged-presentation.pptx", SaveFormat.Pptx);