Class PdfImageExtractor
Inheritance
System.Object
PdfImageExtractor
Namespace: Syncfusion.Pdf.Exporting
Assembly: Syncfusion.Pdf.Imaging.Portable.dll
Syntax
public static class PdfImageExtractor : ObjectMethods
ExtractImages(PdfPageBase)
Extract the images from the PDF
Declaration
public static Image[] ExtractImages(this PdfPageBase page)Parameters
| Type | Name | Description |
|---|---|---|
| PdfPageBase | page |
Returns
| Type | Description |
|---|---|
| System.Drawing.Image[] | returns the List of images |
Examples
FileStream input = new FileStream("Input.pdf", FileMode.Open, FileAccess.Read);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(input);
//Load first page.
PdfPageBase pageBase = loadedDocument.Pages[0];
//Extract images from first page.
Image[] extractedImages = pageBase.ExtractImages();
//close the document
loadedDocument.Close(true); 'Load PDF document.
Dim input As New FileStream("Input.pdf", FileMode.Open, FileAccess.Read)
Dim loadedDocument As New PdfLoadedDocument(input)
'Load first page.
Dim pageBase As PdfPageBase = loadedDocument.Pages(0)
'Extract images from first page.
Dim extractedImages As Image() = pageBase.ExtractImages()
'close the document.
loadedDocument.Close(True)GetImagesInfo(PdfPageBase)
Gets the information about the extracted image from the PDF page
Declaration
public static PdfImageInfo[] GetImagesInfo(this PdfPageBase page)Parameters
| Type | Name | Description |
|---|---|---|
| PdfPageBase | page |
Returns
| Type | Description |
|---|---|
| PdfImageInfo[] |
Examples
//Load PDF document.
FileStream input = new FileStream("Input.pdf", FileMode.Open, FileAccess.Read);
PdfLoadedDocument document = new PdfLoadedDocument(input);
//Gets ImageInfo from the first page.
PdfImageInfo[] imageInfo = document.Pages[0].GetImagesInfo();
//Gets the Image Boundary location.
RectangleF imageBounds = imageInfo[0].Bounds;
//Gets the Image.
Image image = imageInfo[0].Image;
//Gets the Image index.
int imageIndex = imageInfo[0].Index;
//Closing the PDF document.
document.Close(true);'Load PDF document.
Dim input As New FileStream("Input.pdf", FileMode.Open, FileAccess.Read)
Dim document As New PdfLoadedDocument(input)
'Gets ImageInfo from the first page.
Dim imageInfo As PdfImageInfo() = document.Pages(0).GetImagesInfo()
'Gets the Image Boundary location.
Dim imageBounds As RectangleF = imageInfo(0).Bounds
'Gets the Image.
Dim image As Image = imageInfo(0).Image
'Gets the Image index.
Dim imageIndex As Integer = imageInfo(0).Index
'Closing the PDF document.
document.Close(True)See Also
ReplaceImage(PdfPageBase, Int32, PdfImage)
Replace the Image at index's Position.
Declaration
public static void ReplaceImage(this PdfPageBase page, int index, PdfImage image)Parameters
| Type | Name | Description |
|---|---|---|
| PdfPageBase | page | |
| System.Int32 | index | index of an image |
| PdfImage | image | The New Replace image |
Examples
//Load the PDF document
FileStream input = new FileStream("Input.pdf", FileMode.Open, FileAccess.Read);
PdfLoadedDocument doc = new PdfLoadedDocument(input);
//Create an image instance
PdfBitmap bmp = new PdfBitmap(new FileStream("Autumn Leaves.jpg", FileMode.Open, FileAccess.Read));
//Replace the first image in the page.
doc.Pages[0].ReplaceImage(0, bmp);
MemoryStream stream = new MemoryStream();
//Save the document
doc.Save(stream);
//Close the document
doc.Close(true); 'Load the PDF document
Dim input As New FileStream("Input.pdf", FileMode.Open, FileAccess.Read)
Dim doc As New PdfLoadedDocument(input)
Dim input As New FileStream("Autumn Leaves.jpg", FileMode.Open, FileAccess.Read)
'Create an image instance
Dim bmp As New PdfBitmap(input)
'Replace the first image in the page.
doc.Pages(0).ReplaceImage(0, bmp)
Dim stream As New MemoryStream()
'Save the document
doc.Save(stream)
'Close the document
doc.Close(True)