ผสาน PDF ไปยัง PNG ผ่านทาง Java

	// create empty image with calculated width and hight
	// use file system as source for save image
	fileSource = new com.aspose.imaging.sources.FileCreateSource(
		"Merger_pdf_png.png",
		false);
	options = new com.aspose.imaging.imageoptions.PngOptions();
	options.setSource(fileSource);
	newImage = (com.aspose.imaging.fileformats.png.PngImage) com.aspose.imaging.Image.create(options, newWidth, newHeight);
	int stitchedWidth = 0;

	// read pdf file to Aspose Document
	doc = new com.aspose.pdf.Document("1.pdf");

	// setup default resolution to pdf documents 72dpi
	// create image device to save document as image with page dimensions and resolution
	// process document page to image
	// create bounds to nsert small image into large
	for (int pageCount = 1; pageCount <= doc.getPages().size(); pageCount++) {
		resolution = new com.aspose.pdf.devices.Resolution(72);
		imageDevice = new com.aspose.pdf.devices.PngDevice(
						doc.getPages().get_Item(pageCount).getPageInfo().getWidth(),
						doc.getPages().get_Item(pageCount).getPageInfo().getHeight(),
						new com.aspose.pdf.devices.Resolution(72));
		String outPath = "test_" + pageCount + ".png";
		imageDevice.process(doc.getPages().get_Item(pageCount), outPath);

		image = (com.aspose.imaging.RasterImage) com.aspose.imaging.Image.load(outPath);
		bounds = new com.aspose.imaging.Rectangle(
							stitchedWidth,
							0,
							image.getWidth(),
							image.getHeight());

		//combining images into new one
		newImage.saveArgb32Pixels(bounds,image.loadArgb32Pixels(image.getBounds()));
		stitchedWidth += image.getWidth();
	}

	// save created image to disk
	newImage.save();