探索在.NET中向PDF中添加图像的最佳替代方案

using IronPdf;
using IronPdf.Editing;

class Program
{
    public static void Main(string[] args)
    {
        // Create a renderer to convert HTML to PDF
        ChromePdfRenderer renderer = new ChromePdfRenderer();

        // Render a basic PDF with some HTML content
        PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Hello World</h1>");

        // Create an ImageStamper with the image URL
        ImageStamper stamper = new ImageStamper(new Uri("https://ironpdf.com/img/svgs/iron-pdf-logo.svg"));

        // Apply the stamp (image) to the PDF document
        pdf.ApplyStamp(stamper);

        // Save the modified PDF to a file
        pdf.SaveAs("output.pdf");
    }
}

Imports IronPdf
Imports IronPdf.Editing

Friend Class Program
	Public Shared Sub Main(ByVal args() As String)
		' Create a renderer to convert HTML to PDF
		Dim renderer As New ChromePdfRenderer()

		' Render a basic PDF with some HTML content
		Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf("<h1>Hello World</h1>")

		' Create an ImageStamper with the image URL
		Dim stamper As New ImageStamper(New Uri("https://ironpdf.com/img/svgs/iron-pdf-logo.svg"))

		' Apply the stamp (image) to the PDF document
		pdf.ApplyStamp(stamper)

		' Save the modified PDF to a file
		pdf.SaveAs("output.pdf")
	End Sub
End Class

using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using iText.IO.Image;

class Program
{
    public static void Main(string[] args)
    {
        // Initialize PDF writer
        var pdfWriter = new PdfWriter("output.pdf");

        // Initialize PDF document
        var pdfDocument = new iText.Kernel.Pdf.PdfDocument(pdfWriter);

        // Initialize document
        var document = new Document(pdfDocument);

        // Create ImageData from image file
        ImageData imageData = ImageDataFactory.Create("iText.png");

        // Create an Image instance
        Image image = new Image(imageData);

        // Set fixed position for the image in the PDF
        image.SetFixedPosition(50, 100);  // x, y coordinates

        // Scale image to fit within specified dimensions
        image.ScaleToFit(200, 200);  // Width, Height

        // Add image to document
        document.Add(image);

        // Close the document
        document.Close();
    }
}

Imports iText.Kernel.Pdf
Imports iText.Layout
Imports iText.Layout.Element
Imports iText.IO.Image

Friend Class Program
	Public Shared Sub Main(ByVal args() As String)
		' Initialize PDF writer
		Dim pdfWriter As New PdfWriter("output.pdf")

		' Initialize PDF document
		Dim pdfDocument = New iText.Kernel.Pdf.PdfDocument(pdfWriter)

		' Initialize document
		Dim document As New Document(pdfDocument)

		' Create ImageData from image file
		Dim imageData As ImageData = ImageDataFactory.Create("iText.png")

		' Create an Image instance
		Dim image As New Image(imageData)

		' Set fixed position for the image in the PDF
		image.SetFixedPosition(50, 100) ' x, y coordinates

		' Scale image to fit within specified dimensions
		image.ScaleToFit(200, 200) ' Width, Height

		' Add image to document
		document.Add(image)

		' Close the document
		document.Close()
	End Sub
End Class