Work with Images in PDF using C#

add-image-pdf.cs

// For complete examples and data files, please go to https://github.com/aspose-pdf/Aspose.PDF-for-.NET
// Open document
Document pdfDocument = new Document("AddImage.pdf");

// Set coordinates
int lowerLeftX = 100;
int lowerLeftY = 100;
int upperRightX = 200;
int upperRightY = 200;

// Get the page where image needs to be added
Page page = pdfDocument.Pages[1];

// Load image into stream
FileStream imageStream = new FileStream("aspose-logo.jpg", FileMode.Open);

// Add image to Images collection of Page Resources
page.Resources.Images.Add(imageStream);

// Using GSave operator: this operator saves current graphics state
page.Contents.Add(new Aspose.Pdf.Operators.GSave());

// Create Rectangle and Matrix objects
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(lowerLeftX, lowerLeftY, upperRightX, upperRightY);
Matrix matrix = new Matrix(new double[] { rectangle.URX - rectangle.LLX, 0, 0, rectangle.URY - rectangle.LLY, rectangle.LLX, rectangle.LLY });

// Using ConcatenateMatrix (concatenate matrix) operator: defines how image must be placed
page.Contents.Add(new Aspose.Pdf.Operators.ConcatenateMatrix(matrix));
XImage ximage = page.Resources.Images[page.Resources.Images.Count];

// Using Do operator: this operator draws image
page.Contents.Add(new Aspose.Pdf.Operators.Do(ximage.Name));

// Using GRestore operator: this operator restores graphics state
page.Contents.Add(new Aspose.Pdf.Operators.GRestore());

// Save updated document
pdfDocument.Save("AddImage_out.pdf");

extract-image-pdf.cs

// For complete examples and data files, please go to https://github.com/aspose-pdf/Aspose.PDF-for-.NET
// Open document
Document pdfDocument = new Document("ExtractImages.pdf");

// Extract a particular image
XImage xImage = pdfDocument.Pages[1].Resources.Images[1];

FileStream outputImage = new FileStream("output.jpg", FileMode.Create);

// Save output image
xImage.Save(outputImage, ImageFormat.Jpeg);
outputImage.Close();

remove-image-pdf.cs

// For complete examples and data files, please go to https://github.com/aspose-pdf/Aspose.PDF-for-.NET
// Open document
Document pdfDocument = new Document("DeleteImages.pdf");

// Delete a particular image
pdfDocument.Pages[1].Resources.Images.Delete(1);

// Save updated PDF file
pdfDocument.Save("output.pdf");

replace-image-pdf.cs

// For complete examples and data files, please go to https://github.com/aspose-pdf/Aspose.PDF-for-.NET
// Open document
Document pdfDocument = new Document("input.pdf");

// Replace a particular image
pdfDocument.Pages[1].Resources.Images.Replace(1, new FileStream("lovely.jpg", FileMode.Open));

// Save updated PDF file
pdfDocument.Save("output.pdf");