C#/VB.NET: PDF에서 이미지 삽입, 교체 또는 삭제

PM> Install-Package Spire.PDF

using Spire.Pdf;
    using Spire.Pdf.Graphics;
    
    namespace InsertImage
    {
        class Program
        {
            static void Main(string[] args)
            {
                //Create a PdfDocument instance
                PdfDocument pdf = new PdfDocument();
                pdf.LoadFromFile("Input.pdf");
    
                //Get the first page in the PDF document
                PdfPageBase page = pdf.Pages[0];
    
                //Load an image
                PdfImage image = PdfImage.FromFile("image.jpg");
    
                //Specify the width and height of the image area on the page
                float width = image.Width * 0.50f;
                float height = image.Height * 0.50f;
    
                //Specify the X and Y coordinates to start drawing the image
                float x = 180f;
                float y = 70f;
    
                //Draw the image at a specified location on the page
                page.Canvas.DrawImage(image, x, y, width, height);
    
                //Save the result document
                pdf.SaveToFile("AddImage.pdf", FileFormat.PDF);
            }
        }
    }

Imports Spire.Pdf
    Imports Spire.Pdf.Graphics
    
    Namespace InsertImage
        Friend Class Program
            Private Shared Sub Main(ByVal args As String())
                'Create a PdfDocument instance
                Dim pdf As PdfDocument = New PdfDocument()
                pdf.LoadFromFile("Input.pdf")
    
                'Get the first page in the PDF document
                Dim page As PdfPageBase = pdf.Pages(0)
    
                'Load an image
                Dim image As PdfImage = PdfImage.FromFile("image.jpg")
    
                'Specify the width and height of the image area on the page
                Dim width As Single = image.Width * 0.50F
                Dim height As Single = image.Height * 0.50F
    
                'Specify the X and Y coordinates to start drawing the image
                Dim x = 180F
                Dim y = 70F
    
                'Draw the image at a specified location on the page
                page.Canvas.DrawImage(image, x, y, width, height)
    
                'Save the result document
                pdf.SaveToFile("AddImage.pdf", FileFormat.PDF)
            End Sub
        End Class
    End Namespace

using Spire.Pdf;
    using Spire.Pdf.Graphics;
    using Spire.Pdf.Utilities;
    
    namespace ReplaceImage
    {
        class Program
        {
            static void Main(string[] args)
            {
                //Create a PdfDocument instance
                PdfDocument doc = new PdfDocument();
                //Load a PDF document
                doc.LoadFromFile("AddImage.pdf");
    
                //Get the first page
                PdfPageBase page = doc.Pages[0];
    
                //Load an image
                PdfImage image = PdfImage.FromFile("image1.jpg");
    
                //Create a PdfImageHelper instance
                PdfImageHelper imageHelper = new PdfImageHelper();
                //Get the image information from the page
                PdfImageInfo[] imageInfo = imageHelper.GetImagesInfo(page);
                //Replace the first image on the page with the loaded image
                imageHelper.ReplaceImage(imageInfo[0], image);
    
                //Save the result document
                doc.SaveToFile("ReplaceImage.pdf", FileFormat.PDF);
            }
        }
    }

Imports Spire.Pdf
    Imports Spire.Pdf.Graphics
    Imports Spire.Pdf.Utilities
    
    Namespace ReplaceImage
        Friend Class Program
            Private Shared Sub Main(ByVal args As String())
                'Create a PdfDocument instance
                Dim doc As PdfDocument = New PdfDocument()
                'Load a PDF document
                doc.LoadFromFile("AddImage.pdf")
    
                'Get the first page
                Dim page As PdfPageBase = doc.Pages(0)
    
                'Load an image
                Dim image As PdfImage = PdfImage.FromFile("image1.jpg")
    
                'Create a PdfImageHelper instance
                Dim imageHelper As PdfImageHelper = New PdfImageHelper()
                'Get the image information from the page
                Dim imageInfo As PdfImageInfo() = imageHelper.GetImagesInfo(page)
                'Replace the first image on the page with the loaded image
                imageHelper.ReplaceImage(imageInfo(0), image)
    
                'Save the result document
                doc.SaveToFile("ReplaceImage.pdf", FileFormat.PDF)
            End Sub
        End Class
    End Namespace

using Spire.Pdf;
    
    namespace DeleteImage
    {
        class Program
        {
            static void Main(string[] args)
            {
                //Create a PdfDocument instance
                PdfDocument pdf = new PdfDocument();
                //Load a PDF document
                pdf.LoadFromFile("AddImage.pdf");
    
                //Get the first page
                PdfPageBase page = pdf.Pages[0];
    
                //Delete the first image on the page
                page.DeleteImage(0);
    
                //Save the result document
                pdf.SaveToFile("DeleteImage.pdf", FileFormat.PDF);
            }
        }
    }

Imports Spire.Pdf
    
    Namespace DeleteImage
        Friend Class Program
            Private Shared Sub Main(ByVal args As String())
                'Create a PdfDocument instance
                Dim pdf As PdfDocument = New PdfDocument()
                'Load a PDF document
                pdf.LoadFromFile("AddImage.pdf")
    
                'Get the first page
                Dim page As PdfPageBase = pdf.Pages(0)
    
                'Delete the first image on the page
                page.DeleteImage(0)
    
                'Save the result document
                pdf.SaveToFile("DeleteImage.pdf", FileFormat.PDF)
            End Sub
        End Class
    End Namespace