ผสาน PDF ไปยัง PNG ผ่านทาง C++

	// Create blank image with calculated width and height
	newImage = new System::Drawing::Bitmap(newWidth, newHeight);
	canvas = System::Drawing::Graphics::FromImage(newImage);
	canvas->set_InterpolationMode(System::Drawing::Drawing2D::InterpolationMode::HighQualityBicubic);
	int stitchedWidth = 0;

	// read pdf file to Aspose Document
	doc = MakeObject<Document>(u"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
	// load image from file, it supports a lot of formats
	for (auto const& page : doc->get_Pages()) {
		imageDevice = MakeObject<Devices::PngDevice>(
			page->get_PageInfo()->get_Width(),
			page->get_PageInfo()->get_Height(),
			MakeObject<Devices::Resolution>(72));
		
		String outPath = String::Format(u"{0}_test.png", pageCount);
		stream = System::IO::File::Create(outPath);
		imageDevice->Process(page, stream);

		image = System::Drawing::Image::FromFile(fs);
		canvas->DrawImage(image, stitchedWidth, 0);
		stitchedWidth += image->get_Width();
	}

	// save created image to disk
	canvas->Save();
	newImage->Save(u"Merger_pdf_png.png", System::Drawing::Imaging::ImageFormat::get_Png());